\u06a9\u0631\u06cc\u0646 \u0688\u0627\u0626\u0646\u0627\u0645\u06a9 \u0644\u0648\u0688 \u06a9\u06cc\u0644\u06a9\u0648\u0644\u06cc\u0679\u0631 | P_d = \u03c6\u00b7(Q+Q_h+G_t)<\/title>\n <style>\n \/* all styles are strictly scoped inside #calculator *\/\n #calculator {\n --primary-color: #0a3487;\n --primary-hover: #F58423;\n --error-color: #e53935;\n --bg-color: #EAEEF7;\n --text-color: #4a4a4a;\n \n display: block;\n width: 100%;\n background: var(--bg-color);\n font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;\n color: var(--text-color);\n }\n \n \/* container for PC max-width & padding *\/\n #calculator .calculator-container {\n max-width: 545px;\n padding: 30px;\n margin: 0 auto;\n background: var(--bg-color);\n box-sizing: border-box;\n }\n \n \/* typography *\/\n #calculator .calculator-title {\n font-size: 24px;\n font-weight: 600;\n margin: 0 0 4px 0;\n color: var(--primary-color);\n letter-spacing: -0.2px;\n }\n \n #calculator .calculator-subtitle {\n font-size: 14px;\n margin: 0 0 24px 0;\n font-family: monospace;\n background: rgba(10,52,135,0.08);\n display: inline-block;\n padding: 4px 12px;\n border-radius: 0;\n color: var(--primary-color);\n }\n \n \/* input groups *\/\n #calculator .input-group {\n margin-bottom: 20px;\n width: 100%;\n position: relative;\n }\n \n #calculator label {\n display: block;\n font-size: 14px;\n font-weight: 500;\n margin-bottom: 6px;\n color: var(--text-color);\n }\n \n #calculator .var-symbol {\n font-family: monospace;\n font-weight: 700;\n background: rgba(0,0,0,0.04);\n padding: 0px 4px;\n border-radius: 0;\n margin-left: 4px;\n }\n \n \/* wrapper for input + inline unit (unit placed inside input field on the right) *\/\n #calculator .input-unit-wrapper {\n position: relative;\n width: 100%;\n }\n \n #calculator .input-unit-wrapper .calculator-input {\n width: 100%;\n padding-right: 104px;\n }\n \n #calculator .inline-unit {\n position: absolute;\n right: 1px;\n top: 1px;\n bottom: 1px;\n display: flex;\n align-items: center;\n justify-content: center;\n font-size: 14px;\n font-weight: 500;\n color: #aaaaaa;\n background: transparent;\n padding: 0 8px;\n height: auto;\n line-height: 1;\n white-space: nowrap;\n font-family: monospace;\n pointer-events: none;\n box-sizing: border-box;\n }\n \n \/* select styling \u2014 no unit after select *\/\n #calculator .calculator-input,\n #calculator .calculator-select {\n width: 100%;\n height: 36px;\n padding: 0 12px;\n font-size: 16px;\n border: 1px solid #ccc;\n border-radius: 0;\n background: white;\n font-family: 'Segoe UI', 'SF Mono', monospace;\n color: #333;\n transition: all 0.2s ease;\n box-sizing: border-box;\n }\n \n #calculator .calculator-select {\n cursor: pointer;\n appearance: none;\n background-image: url('data:image\/svg+xml;utf8,<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"%234a4a4a\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"><\/polyline><\/svg>');\n background-repeat: no-repeat;\n background-position: right 12px center;\n background-size: 14px;\n }\n \n \/* ensure dropdown options have consistent font and spacing *\/\n #calculator .calculator-select option {\n font-size: 14px;\n padding: 8px;\n font-family: 'Segoe UI', 'SF Mono', monospace;\n line-height: 1.4;\n color: #333;\n }\n \n #calculator .calculator-input:focus,\n #calculator .calculator-select:focus {\n outline: none;\n border: 2px solid var(--primary-color);\n padding: 0 11px;\n height: 36px;\n }\n \n #calculator .input-unit-wrapper .calculator-input:focus {\n padding-right: 103px;\n }\n \n \/* error state: border 2px solid error-color *\/\n #calculator .calculator-input.error-input,\n #calculator .calculator-select.error-input {\n border: 2px solid var(--error-color);\n padding: 0 11px;\n height: 36px;\n }\n \n #calculator .input-unit-wrapper .calculator-input.error-input {\n padding-right: 103px;\n }\n \n \/* error message styling *\/\n #calculator .error-msg {\n font-size: 12px;\n color: var(--error-color);\n margin-top: 5px;\n display: none;\n line-height: 1.2;\n }\n \n #calculator .error-msg.visible {\n display: block;\n }\n \n \/* result area *\/\n #calculator .result-area {\n background: white;\n margin: 20px 0 24px 0;\n padding: 18px 16px;\n text-align: center;\n border-left: 4px solid var(--primary-color);\n box-shadow: 0 1px 3px rgba(0,0,0,0.05);\n }\n \n #calculator .result-label {\n font-size: 14px;\n font-weight: 500;\n text-transform: uppercase;\n letter-spacing: 1px;\n color: var(--text-color);\n margin-bottom: 8px;\n }\n \n #calculator .result-value {\n font-size: 40px;\n font-weight: 800;\n font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;\n color: var(--primary-color);\n line-height: 1.1;\n word-break: break-word;\n }\n \n #calculator .calculation-detail {\n font-size: 12px;\n font-family: monospace;\n color: #6b7280;\n margin-top: 8px;\n border-top: 1px solid #ececec;\n padding-top: 6px;\n }\n \n \/* button group: horizontal flex on PC *\/\n #calculator .button-group {\n display: flex;\n flex-direction: row;\n gap: 16px;\n margin-top: 8px;\n }\n \n #calculator button {\n flex: 1;\n height: 36px;\n font-size: 14px;\n font-weight: 600;\n border: none;\n border-radius: 0;\n cursor: pointer;\n transition: all 0.2s ease;\n font-family: inherit;\n }\n \n #calculator .btn-primary {\n background: var(--primary-color);\n color: white;\n }\n \n #calculator .btn-primary:hover {\n background: var(--primary-hover);\n }\n \n #calculator .btn-secondary {\n background: #6c757d;\n color: white;\n }\n \n #calculator .btn-secondary:hover {\n background: #5a6268;\n }\n \n \/* mobile responsiveness (rem based, following spec) *\/\n @media (max-width: 768px) {\n #calculator .calculator-container {\n padding: 20px;\n max-width: 100%;\n }\n #calculator .calculator-input,\n #calculator .calculator-select,\n #calculator button,\n #calculator .inline-unit {\n height: 0.7rem;\n font-size: 0.28rem;\n line-height: 0.7rem;\n }\n #calculator .calculator-input,\n #calculator .calculator-select {\n height: 0.7rem;\n padding: 0 0.2rem;\n font-size: 0.28rem;\n }\n #calculator .input-unit-wrapper .calculator-input {\n padding-right: 1.8rem;\n }\n #calculator .calculator-input:focus,\n #calculator .calculator-select:focus {\n padding: 0 0.18rem;\n height: 0.7rem;\n }\n #calculator .input-unit-wrapper .calculator-input:focus {\n padding-right: 1.78rem;\n }\n #calculator .calculator-input.error-input,\n #calculator .calculator-select.error-input {\n padding: 0 0.18rem;\n height: 0.7rem;\n }\n #calculator .input-unit-wrapper .calculator-input.error-input {\n padding-right: 1.78rem;\n }\n #calculator label {\n font-size: 0.28rem;\n }\n #calculator .result-value {\n font-size: 0.7rem;\n }\n #calculator .result-label,\n #calculator .calculation-detail {\n font-size: 0.24rem;\n }\n #calculator .btn-primary,\n #calculator .btn-secondary {\n font-size: 0.28rem;\n height: 0.7rem;\n }\n #calculator .button-group {\n flex-direction: column;\n gap: 12px;\n }\n #calculator button {\n width: 100%;\n }\n #calculator .calculator-title {\n font-size: 0.5rem;\n }\n #calculator .calculator-subtitle {\n font-size: 0.24rem;\n }\n #calculator .inline-unit {\n font-size: 0.28rem;\n padding: 0 0.2rem;\n }\n \/* option text slightly smaller on mobile but consistent *\/\n #calculator .calculator-select option {\n font-size: 0.28rem;\n }\n }\n \n \/* error priority: error border overrides focus *\/\n #calculator .calculator-input.error-input:focus,\n #calculator .calculator-select.error-input:focus {\n border: 2px solid var(--error-color);\n }\n \n \/* remove any default spinner on number input *\/\n #calculator .calculator-input[type=\"number\"] {\n -moz-appearance: textfield;\n }\n #calculator .calculator-input[type=\"number\"]::-webkit-inner-spin-button,\n #calculator .calculator-input[type=\"number\"]::-webkit-outer-spin-button {\n -webkit-appearance: none;\n margin: 0;\n }\n <\/style>\n<\/head>\n<body>\n<div id=\"calculator\">\n <div class=\"calculator-container\">\n \n \n \n <div class=\"input-group\">\n <label for=\"calculator-phi\">\u0645\u062a\u062d\u0631\u06a9 \u0639\u0646\u0635\u0631 <span class=\"var-symbol\">\u03c6<\/span><\/label>\n <select id=\"calculator-phi\" class=\"calculator-select\">\n <option value=\"1.1\">\ud83d\udd38 \u06a9\u0645 \u0631\u0641\u062a\u0627\u0631 \/ \u0644\u0627\u0626\u0679 \u0688\u06cc\u0648\u0679\u06cc \/ \u062f\u0631\u0633\u062a\u06af\u06cc \u06a9\u0646\u0679\u0631\u0648\u0644 \u2192 \u03c6 = 1.10<\/option>\n <option value=\"1.2\">\ud83d\udd38 \u0631\u0648\u0627\u06cc\u062a\u06cc \u0635\u0646\u0639\u062a\u06cc (\u0631\u0648\u0634\u0646\u06cc) \u2192 \u03c6 = 1.20<\/option>\n <option value=\"1.25\" selected>\ud83d\udd38 \u0631\u0648\u0627\u06cc\u062a\u06cc \u0635\u0646\u0639\u062a\u06cc (\u0645\u06cc\u0688\u06cc\u0645) \u2192 \u03c6 = 1.25<\/option>\n <option value=\"1.3\">\ud83d\udd38 \u0631\u0648\u0627\u06cc\u062a\u06cc \u0635\u0646\u0639\u062a\u06cc (\u0628\u06be\u0627\u0631\u06cc) \u2192 \u03c6 = 1.30<\/option>\n <option value=\"1.4\">\ud83d\udd38 \u06c1\u06cc\u0648\u06cc \u0688\u06cc\u0648\u0679\u06cc \/ \u0634\u062f\u06cc\u062f \u0633\u0631\u0648\u0633 \u2192 \u03c6 = 1.40<\/option>\n <option value=\"1.5\">\ud83d\udd38\u0632\u06cc\u0627\u062f\u06c1 \u0627\u062b\u0631 \/ \u0645\u0644 \u0688\u06cc\u0648\u0679\u06cc \u2192 \u03c6 = 1.50<\/option>\n <option value=\"1.6\">\ud83d\udd38\u0627\u0646\u062a\u06c1\u0627\u0626\u06cc \u062c\u06be\u0679\u06a9\u0627 \/ \u0634\u062f\u06cc\u062f \u0688\u06cc\u0648\u0679\u06cc \u2192 \u03c6 = 1.60<\/option>\n <\/select>\n <div class=\"error-msg\" id=\"error-phi\"><\/div>\n <\/div>\n\n \n <div class=\"input-group\">\n <label for=\"calculator-ratedLoad\">\u0634\u0631\u062d \u0634\u062f\u06c1 \u0644\u0648\u0688 <span class=\"var-symbol\">\u0633\u0648\u0627\u0644<\/span><\/label>\n <div class=\"input-unit-wrapper\">\n <input type=\"number\" id=\"calculator-ratedLoad\" class=\"calculator-input\" placeholder=\"\u0645\u062b\u0627\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631\u060c 20.0\" step=\"any\" value=\"20.0\">\n <span class=\"inline-unit\">\u0679\u0646 (\u0679\u06cc)<\/span>\n <\/div>\n <div class=\"error-msg\" id=\"error-ratedLoad\"><\/div>\n <\/div>\n\n \n <div class=\"input-group\">\n <label for=\"calculator-hookWeight\">\u06c1\u06a9 \u0627\u0648\u0631 \u0627\u0679\u06cc\u0686\u0645\u0646\u0679 \u0645\u0627\u0633 <span class=\"var-symbol\">\u0633\u0648\u0627\u0644<sub>h<\/sub><\/span><\/label>\n <div class=\"input-unit-wrapper\">\n <input type=\"number\" id=\"calculator-hookWeight\" class=\"calculator-input\" placeholder=\"\u0645\u062b\u0627\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631\u060c 0.6\" step=\"any\" value=\"0.6\">\n <span class=\"inline-unit\">\u0679\u0646 (\u0679\u06cc)<\/span>\n <\/div>\n <div class=\"error-msg\" id=\"error-hookWeight\"><\/div>\n <\/div>\n\n \n <div class=\"input-group\">\n <label for=\"calculator-trolleyWeight\">\u0679\u0631\u0627\u0644\u06cc \u062e\u0648\u062f \u0648\u0632\u0646 <span class=\"var-symbol\">\u062c\u06cc<sub>t<\/sub><\/span><\/label>\n <div class=\"input-unit-wrapper\">\n <input type=\"number\" id=\"calculator-trolleyWeight\" class=\"calculator-input\" placeholder=\"\u0645\u062b\u0627\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631\u060c 5.4\" step=\"any\" value=\"5.4\">\n <span class=\"inline-unit\">\u0679\u0646 (\u0679\u06cc)<\/span>\n <\/div>\n <div class=\"error-msg\" id=\"error-trolleyWeight\"><\/div>\n <\/div>\n\n \n <div class=\"result-area\">\n <div class=\"result-label\">\u0645\u062a\u062d\u0631\u06a9 \u0644\u0648\u0688 \u06a9\u0627 \u0646\u062a\u06cc\u062c\u06c1 <span>\u067e\u06cc<sub>\u0688\u06cc<\/sub><\/span><\/div>\n <div class=\"result-value\" id=\"calculator-result\">\u2014 \u06a9\u06d2 \u0627\u06cc\u0646<\/div>\n <div class=\"calculation-detail\" id=\"calc-detail\"><\/div>\n <\/div>\n\n \n <div class=\"button-group\">\n <button id=\"calculator-calcBtn\" class=\"btn-primary\">\u062d\u0633\u0627\u0628 \u0644\u06af\u0627\u0646\u0627<\/button>\n <button id=\"calculator-resetBtn\" class=\"btn-secondary\">\u062f\u0648\u0628\u0627\u0631\u06c1 \u062a\u0631\u062a\u06cc\u0628 \u062f\u06cc\u06ba\u06d4<\/button>\n <\/div>\n <\/div>\n<\/div>\n\n<script>\n (function() {\n \/\/ DOM references\n const phiSelect = document.getElementById('calculator-phi');\n const ratedLoadInput = document.getElementById('calculator-ratedLoad');\n const hookWeightInput = document.getElementById('calculator-hookWeight');\n const trolleyWeightInput = document.getElementById('calculator-trolleyWeight');\n const calcBtn = document.getElementById('calculator-calcBtn');\n const resetBtn = document.getElementById('calculator-resetBtn');\n const resultSpan = document.getElementById('calculator-result');\n const calcDetailSpan = document.getElementById('calc-detail');\n \n \/\/ error message containers\n const errorPhi = document.getElementById('error-phi');\n const errorRated = document.getElementById('error-ratedLoad');\n const errorHook = document.getElementById('error-hookWeight');\n const errorTrolley = document.getElementById('error-trolleyWeight');\n \n \/\/ input fields for validation\n const inputFields = [\n { element: ratedLoadInput, errorDiv: errorRated, name: 'Rated load' },\n { element: hookWeightInput, errorDiv: errorHook, name: 'Hook & attachment mass' },\n { element: trolleyWeightInput, errorDiv: errorTrolley, name: 'Trolley self-weight' }\n ];\n const selectField = { element: phiSelect, errorDiv: errorPhi, name: 'Dynamic factor' };\n \n \/\/ conversion factor: tonnes -> kN\n const TON_TO_KN = 9.80665;\n \n \/\/ Helper: clear error for a single input (remove class, hide message)\n function clearErrorForInput(inputEl, errorDiv) {\n if (inputEl) inputEl.classList.remove('error-input');\n if (errorDiv) errorDiv.classList.remove('visible');\n }\n \n \/\/ set error for single input\n function setErrorForInput(inputEl, errorDiv, message) {\n if (inputEl) inputEl.classList.add('error-input');\n if (errorDiv) {\n errorDiv.textContent = message || 'Invalid value';\n errorDiv.classList.add('visible');\n }\n }\n \n \/\/ clear all errors\n function clearAllErrors() {\n inputFields.forEach(field => {\n clearErrorForInput(field.element, field.errorDiv);\n });\n clearErrorForInput(selectField.element, selectField.errorDiv);\n }\n \n \/\/ validate single numeric input (non-empty, valid number >=0)\n function validateSingleInput(value, fieldName) {\n if (value === undefined || value === null || value === '') {\n return { valid: false, message: `${fieldName} cannot be empty.` };\n }\n const num = parseFloat(value);\n if (isNaN(num)) {\n return { valid: false, message: `${fieldName} must be a valid number.` };\n }\n if (num < 0) {\n return { valid: false, message: `${fieldName} cannot be negative.` };\n }\n return { valid: true, value: num };\n }\n \n \/\/ validate phi select\n function validatePhi() {\n const phiVal = phiSelect.value;\n const num = parseFloat(phiVal);\n if (isNaN(num)) {\n return { valid: false, message: 'Dynamic factor must be a valid number.' };\n }\n if (num <= 0) {\n return { valid: false, message: '\u03c6 must be greater than 0.' };\n }\n return { valid: true, value: num };\n }\n \n \/\/ main validation routine\n function validateAllInputs() {\n let isValid = true;\n \n \/\/ Validate rated load\n const ratedRaw = ratedLoadInput.value;\n const ratedCheck = validateSingleInput(ratedRaw, 'Rated load');\n if (!ratedCheck.valid) {\n setErrorForInput(ratedLoadInput, errorRated, ratedCheck.message);\n isValid = false;\n } else {\n clearErrorForInput(ratedLoadInput, errorRated);\n }\n \n \/\/ Validate hook weight\n const hookRaw = hookWeightInput.value;\n const hookCheck = validateSingleInput(hookRaw, 'Hook & attachment mass');\n if (!hookCheck.valid) {\n setErrorForInput(hookWeightInput, errorHook, hookCheck.message);\n isValid = false;\n } else {\n clearErrorForInput(hookWeightInput, errorHook);\n }\n \n \/\/ Validate trolley weight\n const trolleyRaw = trolleyWeightInput.value;\n const trolleyCheck = validateSingleInput(trolleyRaw, 'Trolley self-weight');\n if (!trolleyCheck.valid) {\n setErrorForInput(trolleyWeightInput, errorTrolley, trolleyCheck.message);\n isValid = false;\n } else {\n clearErrorForInput(trolleyWeightInput, errorTrolley);\n }\n \n \/\/ Validate phi\n const phiCheck = validatePhi();\n if (!phiCheck.valid) {\n setErrorForInput(phiSelect, errorPhi, phiCheck.message);\n isValid = false;\n } else {\n clearErrorForInput(phiSelect, errorPhi);\n }\n \n if (isValid) {\n return {\n valid: true,\n Q: parseFloat(ratedLoadInput.value),\n Qh: parseFloat(hookWeightInput.value),\n Gt: parseFloat(trolleyWeightInput.value),\n phi: parseFloat(phiSelect.value)\n };\n } else {\n return { valid: false };\n }\n }\n \n \/\/ compute and update result (2 decimals)\n function computeAndDisplay() {\n const validation = validateAllInputs();\n if (!validation.valid) {\n resultSpan.textContent = '-- kN';\n calcDetailSpan.textContent = '';\n return;\n }\n \n const { Q, Qh, Gt, phi } = validation;\n const sumTon = Q + Qh + Gt;\n const dynamicTonForce = phi * sumTon;\n const dynamicKN = dynamicTonForce * TON_TO_KN;\n const roundedKN = Math.round(dynamicKN * 100) \/ 100;\n resultSpan.textContent = roundedKN.toFixed(2) + ' kN';\n \n \/\/ detail expression: consistent formatting\n const sumFixed = sumTon.toFixed(3);\n const phiFixed = phi.toFixed(3);\n calcDetailSpan.innerHTML = `${phiFixed} \u00d7 (${Q.toFixed(2)} + ${Qh.toFixed(2)} + ${Gt.toFixed(2)}) t = ${phiFixed} \u00d7 ${sumFixed} t = ${dynamicTonForce.toFixed(3)} t \u2192 ${roundedKN.toFixed(2)} kN`;\n }\n \n \/\/ reset all inputs to default values, clear errors & reset result\n function resetCalculator() {\n ratedLoadInput.value = '20.0';\n hookWeightInput.value = '0.6';\n trolleyWeightInput.value = '5.4';\n phiSelect.value = '1.25'; \/\/ medium duty default\n \n clearAllErrors();\n \n \/\/ reset result display\n resultSpan.textContent = '-- kN';\n calcDetailSpan.textContent = '';\n \n \/\/ additionally, remove error classes from all inputs (already cleared, but ensure)\n inputFields.forEach(field => {\n field.element.classList.remove('error-input');\n });\n if (phiSelect) phiSelect.classList.remove('error-input');\n }\n \n \/\/ setup dynamic error clearing on input\/change\n function setupDynamicErrorClearing() {\n ratedLoadInput.addEventListener('input', function() {\n clearErrorForInput(ratedLoadInput, errorRated);\n });\n hookWeightInput.addEventListener('input', function() {\n clearErrorForInput(hookWeightInput, errorHook);\n });\n trolleyWeightInput.addEventListener('input', function() {\n clearErrorForInput(trolleyWeightInput, errorTrolley);\n });\n phiSelect.addEventListener('change', function() {\n clearErrorForInput(phiSelect, errorPhi);\n });\n }\n \n \/\/ calculate action\n function onCalculate() {\n computeAndDisplay();\n }\n \n \/\/ reset action\n function onReset() {\n resetCalculator();\n }\n \n \/\/ initialization\n function init() {\n setupDynamicErrorClearing();\n calcBtn.addEventListener('click', onCalculate);\n resetBtn.addEventListener('click', onReset);\n \/\/ initial compute with default values (shows result on page load)\n computeAndDisplay();\n }\n \n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', init);\n } else {\n init();\n }\n })();\n<\/script>\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\">\u06a9\u0631\u06cc\u0646 \u0688\u0627\u0626\u0646\u0627\u0645\u06a9 \u0644\u0648\u0688\u0646\u06af \u06a9\u06cc\u0644\u06a9\u0648\u0644\u06cc\u0679\u0631 \u0641\u0627\u0631\u0645\u0648\u0644\u06c1<\/h2>\n\n\n\n<p>\u067e\u06cc<sub>\u0688\u06cc<\/sub>=\u03c6(Q+Q<sub>h<\/sub>+G<sub>t<\/sub>)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u067e\u06cc<sub>\u0688\u06cc<\/sub>: \u0645\u062a\u062d\u0631\u06a9 \u0644\u0648\u0688<\/li>\n\n\n\n<li>\u03c6: \u0627\u062b\u0631 \u06a9\u0627 \u0639\u0646\u0635\u0631<\/li>\n\n\n\n<li>\u0633\u0648\u0627\u0644: \u0634\u0631\u062d \u0634\u062f\u06c1 \u0644\u0648\u0688<\/li>\n\n\n\n<li>\u0633\u0648\u0627\u0644<sub>h<\/sub>: \u06c1\u06a9 \u0627\u0648\u0631 \u0627\u0679\u06cc\u0686\u0645\u0646\u0679 \u0648\u0632\u0646 \u0627\u0679\u06be\u0627\u0646\u0627<\/li>\n\n\n\n<li>\u062c\u06cc<sub>t<\/sub>: \u0679\u0631\u0627\u0644\u06cc \u062e\u0648\u062f \u0648\u0632\u0646<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0646\u0648\u0679\u0633<\/h2>\n\n\n\n<p>\u0627\u0635\u0644 \u06a9\u0631\u06cc\u0646 \u0622\u067e\u0631\u06cc\u0634\u0646 \u0645\u06cc\u06ba\u060c \u0627\u0633 \u067e\u0631 \u06a9\u0627\u0645 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\u06a9\u0648 \u062d\u0633\u0627\u0628 \u06a9\u06d2 \u062f\u0648\u0631\u0627\u0646 \u0627\u06cc\u06a9 \u0645\u062a\u062d\u0631\u06a9 \u0628\u0648\u062c\u06be \u0639\u0646\u0635\u0631 \u0633\u06d2 \u0636\u0631\u0628 \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u06d2\u06d4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u06a9\u0645 \u0631\u0641\u062a\u0627\u0631\u060c \u06c1\u0644\u06a9\u06d2 \u0628\u0648\u062c\u06be \u06a9\u06d2 \u062d\u0627\u0644\u0627\u062a \u06cc\u0627 \u062f\u0631\u0633\u062a \u06a9\u0646\u0679\u0631\u0648\u0644 \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u03c6=1.1<\/li>\n\n\n\n<li>\u0631\u0648\u0627\u06cc\u062a\u06cc \u0635\u0646\u0639\u062a\u06cc \u06a9\u0631\u06cc\u0646\u0648\u06ba \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u03c6=1.2-1.3<\/li>\n\n\n\n<li>\u06c1\u06cc\u0648\u06cc \u0688\u06cc\u0648\u0679\u06cc \u06cc\u0627 \u0633\u062e\u062a \u06a9\u0627\u0645 \u06a9\u0631\u0646\u06d2 \u0648\u0627\u0644\u06d2 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{"id":17030,"date":"2026-05-22T01:39:17","date_gmt":"2026-05-22T01:39:17","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=17030"},"modified":"2026-05-22T01:59:01","modified_gmt":"2026-05-22T01:59:01","slug":"crane-dynamic-loading-calculator","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/ur\/crane-dynamic-loading-calculator\/","title":{"rendered":"\u06a9\u0631\u06cc\u0646 \u0645\u062a\u062d\u0631\u06a9 \u0644\u0648\u0688\u0646\u06af \u06a9\u06cc\u0644\u06a9\u0648\u0644\u06cc\u0679\u0631"},"content":{"rendered":"\n\n\n \n \n \u06a9\u0631\u06cc\u0646 \u0688\u0627\u0626\u0646\u0627\u0645\u06a9 \u0644\u0648\u0688 \u06a9\u06cc\u0644\u06a9\u0648\u0644\u06cc\u0679\u0631 | P_d = \u03c6\u00b7(Q+Q_h+G_t)<\/title>\n <style>\n \/* all styles are strictly scoped inside #calculator *\/\n #calculator {\n --primary-color: #0a3487;\n --primary-hover: #F58423;\n --error-color: #e53935;\n --bg-color: #EAEEF7;\n --text-color: #4a4a4a;\n \n display: block;\n width: 100%;\n background: var(--bg-color);\n font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;\n color: var(--text-color);\n }\n \n \/* container for PC max-width & padding *\/\n #calculator .calculator-container {\n max-width: 545px;\n padding: 30px;\n margin: 0 auto;\n background: var(--bg-color);\n box-sizing: border-box;\n }\n \n \/* typography *\/\n #calculator .calculator-title {\n font-size: 24px;\n font-weight: 600;\n margin: 0 0 4px 0;\n color: var(--primary-color);\n letter-spacing: -0.2px;\n }\n \n #calculator .calculator-subtitle {\n font-size: 14px;\n margin: 0 0 24px 0;\n font-family: monospace;\n background: rgba(10,52,135,0.08);\n display: inline-block;\n padding: 4px 12px;\n border-radius: 0;\n color: var(--primary-color);\n }\n \n \/* input groups *\/\n #calculator .input-group {\n margin-bottom: 20px;\n width: 100%;\n position: relative;\n }\n \n #calculator label {\n display: block;\n font-size: 14px;\n font-weight: 500;\n margin-bottom: 6px;\n color: var(--text-color);\n }\n \n #calculator .var-symbol {\n font-family: monospace;\n font-weight: 700;\n background: rgba(0,0,0,0.04);\n padding: 0px 4px;\n border-radius: 0;\n margin-left: 4px;\n }\n \n \/* wrapper for input + inline unit (unit placed inside input field on the right) *\/\n #calculator .input-unit-wrapper {\n position: relative;\n width: 100%;\n }\n \n #calculator .input-unit-wrapper .calculator-input {\n width: 100%;\n padding-right: 104px;\n }\n \n #calculator .inline-unit {\n position: absolute;\n right: 1px;\n top: 1px;\n bottom: 1px;\n display: flex;\n align-items: center;\n justify-content: center;\n font-size: 14px;\n font-weight: 500;\n color: #aaaaaa;\n background: transparent;\n padding: 0 8px;\n height: auto;\n line-height: 1;\n white-space: nowrap;\n font-family: monospace;\n pointer-events: none;\n box-sizing: border-box;\n }\n \n \/* select styling \u2014 no unit after select *\/\n #calculator .calculator-input,\n #calculator .calculator-select {\n width: 100%;\n height: 36px;\n padding: 0 12px;\n font-size: 16px;\n border: 1px solid #ccc;\n border-radius: 0;\n background: white;\n font-family: 'Segoe UI', 'SF Mono', monospace;\n color: #333;\n transition: all 0.2s ease;\n box-sizing: border-box;\n }\n \n #calculator .calculator-select {\n cursor: pointer;\n appearance: none;\n background-image: url('data:image\/svg+xml;utf8,<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"%234a4a4a\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"><\/polyline><\/svg>');\n background-repeat: no-repeat;\n background-position: right 12px center;\n background-size: 14px;\n }\n \n \/* ensure dropdown options have consistent font and spacing *\/\n #calculator .calculator-select option {\n font-size: 14px;\n padding: 8px;\n font-family: 'Segoe UI', 'SF Mono', monospace;\n line-height: 1.4;\n color: #333;\n }\n \n #calculator .calculator-input:focus,\n #calculator .calculator-select:focus {\n outline: none;\n border: 2px solid var(--primary-color);\n padding: 0 11px;\n height: 36px;\n }\n \n #calculator .input-unit-wrapper .calculator-input:focus {\n padding-right: 103px;\n }\n \n \/* error state: border 2px solid error-color *\/\n #calculator .calculator-input.error-input,\n #calculator .calculator-select.error-input {\n border: 2px solid var(--error-color);\n padding: 0 11px;\n height: 36px;\n }\n \n #calculator .input-unit-wrapper .calculator-input.error-input {\n padding-right: 103px;\n }\n \n \/* error message styling *\/\n #calculator .error-msg {\n font-size: 12px;\n color: var(--error-color);\n margin-top: 5px;\n display: none;\n line-height: 1.2;\n }\n \n #calculator .error-msg.visible {\n display: block;\n }\n \n \/* result area *\/\n #calculator .result-area {\n background: white;\n margin: 20px 0 24px 0;\n padding: 18px 16px;\n text-align: center;\n border-left: 4px solid var(--primary-color);\n box-shadow: 0 1px 3px rgba(0,0,0,0.05);\n }\n \n #calculator .result-label {\n font-size: 14px;\n font-weight: 500;\n text-transform: uppercase;\n letter-spacing: 1px;\n color: var(--text-color);\n margin-bottom: 8px;\n }\n \n #calculator .result-value {\n font-size: 40px;\n font-weight: 800;\n font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;\n color: var(--primary-color);\n line-height: 1.1;\n word-break: break-word;\n }\n \n #calculator .calculation-detail {\n font-size: 12px;\n font-family: monospace;\n color: #6b7280;\n margin-top: 8px;\n border-top: 1px solid #ececec;\n padding-top: 6px;\n }\n \n \/* button group: horizontal flex on PC *\/\n #calculator .button-group {\n display: flex;\n flex-direction: row;\n gap: 16px;\n margin-top: 8px;\n }\n \n #calculator button {\n flex: 1;\n height: 36px;\n font-size: 14px;\n font-weight: 600;\n border: none;\n border-radius: 0;\n cursor: pointer;\n transition: all 0.2s ease;\n font-family: inherit;\n }\n \n #calculator .btn-primary {\n background: var(--primary-color);\n color: white;\n }\n \n #calculator .btn-primary:hover {\n background: var(--primary-hover);\n }\n \n #calculator .btn-secondary {\n background: #6c757d;\n color: white;\n }\n \n #calculator .btn-secondary:hover {\n background: #5a6268;\n }\n \n \/* mobile responsiveness (rem based, following spec) *\/\n @media (max-width: 768px) {\n #calculator .calculator-container {\n padding: 20px;\n max-width: 100%;\n }\n #calculator .calculator-input,\n #calculator .calculator-select,\n #calculator button,\n #calculator .inline-unit {\n height: 0.7rem;\n font-size: 0.28rem;\n line-height: 0.7rem;\n }\n #calculator .calculator-input,\n #calculator .calculator-select {\n height: 0.7rem;\n padding: 0 0.2rem;\n font-size: 0.28rem;\n }\n #calculator .input-unit-wrapper .calculator-input {\n padding-right: 1.8rem;\n }\n #calculator .calculator-input:focus,\n #calculator .calculator-select:focus {\n padding: 0 0.18rem;\n height: 0.7rem;\n }\n #calculator .input-unit-wrapper .calculator-input:focus {\n padding-right: 1.78rem;\n }\n #calculator .calculator-input.error-input,\n #calculator .calculator-select.error-input {\n padding: 0 0.18rem;\n height: 0.7rem;\n }\n #calculator .input-unit-wrapper .calculator-input.error-input {\n padding-right: 1.78rem;\n }\n #calculator label {\n font-size: 0.28rem;\n }\n #calculator .result-value {\n font-size: 0.7rem;\n }\n #calculator .result-label,\n #calculator .calculation-detail {\n font-size: 0.24rem;\n }\n #calculator .btn-primary,\n #calculator .btn-secondary {\n font-size: 0.28rem;\n height: 0.7rem;\n }\n #calculator .button-group {\n flex-direction: column;\n gap: 12px;\n }\n #calculator button {\n width: 100%;\n }\n #calculator .calculator-title {\n font-size: 0.5rem;\n }\n #calculator .calculator-subtitle {\n font-size: 0.24rem;\n }\n #calculator .inline-unit {\n font-size: 0.28rem;\n padding: 0 0.2rem;\n }\n \/* option text slightly smaller on mobile but consistent *\/\n #calculator .calculator-select option {\n font-size: 0.28rem;\n }\n }\n \n \/* error priority: error border overrides focus *\/\n #calculator .calculator-input.error-input:focus,\n #calculator .calculator-select.error-input:focus {\n border: 2px solid var(--error-color);\n }\n \n \/* remove any default spinner on number input *\/\n #calculator .calculator-input[type=\"number\"] {\n -moz-appearance: textfield;\n }\n #calculator .calculator-input[type=\"number\"]::-webkit-inner-spin-button,\n #calculator .calculator-input[type=\"number\"]::-webkit-outer-spin-button {\n -webkit-appearance: none;\n margin: 0;\n }\n <\/style>\n<\/head>\n<body>\n<div id=\"calculator\">\n <div class=\"calculator-container\">\n \n \n \n <div class=\"input-group\">\n <label for=\"calculator-phi\">\u0645\u062a\u062d\u0631\u06a9 \u0639\u0646\u0635\u0631 <span class=\"var-symbol\">\u03c6<\/span><\/label>\n <select id=\"calculator-phi\" class=\"calculator-select\">\n <option value=\"1.1\">\ud83d\udd38 \u06a9\u0645 \u0631\u0641\u062a\u0627\u0631 \/ \u0644\u0627\u0626\u0679 \u0688\u06cc\u0648\u0679\u06cc \/ \u062f\u0631\u0633\u062a\u06af\u06cc \u06a9\u0646\u0679\u0631\u0648\u0644 \u2192 \u03c6 = 1.10<\/option>\n <option value=\"1.2\">\ud83d\udd38 \u0631\u0648\u0627\u06cc\u062a\u06cc \u0635\u0646\u0639\u062a\u06cc (\u0631\u0648\u0634\u0646\u06cc) \u2192 \u03c6 = 1.20<\/option>\n <option value=\"1.25\" selected>\ud83d\udd38 \u0631\u0648\u0627\u06cc\u062a\u06cc \u0635\u0646\u0639\u062a\u06cc (\u0645\u06cc\u0688\u06cc\u0645) \u2192 \u03c6 = 1.25<\/option>\n <option value=\"1.3\">\ud83d\udd38 \u0631\u0648\u0627\u06cc\u062a\u06cc \u0635\u0646\u0639\u062a\u06cc (\u0628\u06be\u0627\u0631\u06cc) \u2192 \u03c6 = 1.30<\/option>\n <option value=\"1.4\">\ud83d\udd38 \u06c1\u06cc\u0648\u06cc \u0688\u06cc\u0648\u0679\u06cc \/ \u0634\u062f\u06cc\u062f \u0633\u0631\u0648\u0633 \u2192 \u03c6 = 1.40<\/option>\n <option value=\"1.5\">\ud83d\udd38\u0632\u06cc\u0627\u062f\u06c1 \u0627\u062b\u0631 \/ \u0645\u0644 \u0688\u06cc\u0648\u0679\u06cc \u2192 \u03c6 = 1.50<\/option>\n <option value=\"1.6\">\ud83d\udd38\u0627\u0646\u062a\u06c1\u0627\u0626\u06cc \u062c\u06be\u0679\u06a9\u0627 \/ \u0634\u062f\u06cc\u062f \u0688\u06cc\u0648\u0679\u06cc \u2192 \u03c6 = 1.60<\/option>\n <\/select>\n <div class=\"error-msg\" id=\"error-phi\"><\/div>\n <\/div>\n\n \n <div class=\"input-group\">\n <label for=\"calculator-ratedLoad\">\u0634\u0631\u062d \u0634\u062f\u06c1 \u0644\u0648\u0688 <span class=\"var-symbol\">\u0633\u0648\u0627\u0644<\/span><\/label>\n <div class=\"input-unit-wrapper\">\n <input type=\"number\" id=\"calculator-ratedLoad\" class=\"calculator-input\" placeholder=\"\u0645\u062b\u0627\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631\u060c 20.0\" step=\"any\" value=\"20.0\">\n <span class=\"inline-unit\">\u0679\u0646 (\u0679\u06cc)<\/span>\n <\/div>\n <div class=\"error-msg\" id=\"error-ratedLoad\"><\/div>\n <\/div>\n\n \n <div class=\"input-group\">\n <label for=\"calculator-hookWeight\">\u06c1\u06a9 \u0627\u0648\u0631 \u0627\u0679\u06cc\u0686\u0645\u0646\u0679 \u0645\u0627\u0633 <span class=\"var-symbol\">\u0633\u0648\u0627\u0644<sub>h<\/sub><\/span><\/label>\n <div class=\"input-unit-wrapper\">\n <input type=\"number\" id=\"calculator-hookWeight\" class=\"calculator-input\" placeholder=\"\u0645\u062b\u0627\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631\u060c 0.6\" step=\"any\" value=\"0.6\">\n <span class=\"inline-unit\">\u0679\u0646 (\u0679\u06cc)<\/span>\n <\/div>\n <div class=\"error-msg\" id=\"error-hookWeight\"><\/div>\n <\/div>\n\n \n <div class=\"input-group\">\n <label for=\"calculator-trolleyWeight\">\u0679\u0631\u0627\u0644\u06cc \u062e\u0648\u062f \u0648\u0632\u0646 <span class=\"var-symbol\">\u062c\u06cc<sub>t<\/sub><\/span><\/label>\n <div class=\"input-unit-wrapper\">\n <input type=\"number\" id=\"calculator-trolleyWeight\" class=\"calculator-input\" placeholder=\"\u0645\u062b\u0627\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631\u060c 5.4\" step=\"any\" value=\"5.4\">\n <span class=\"inline-unit\">\u0679\u0646 (\u0679\u06cc)<\/span>\n <\/div>\n <div class=\"error-msg\" id=\"error-trolleyWeight\"><\/div>\n <\/div>\n\n \n <div class=\"result-area\">\n <div class=\"result-label\">\u0645\u062a\u062d\u0631\u06a9 \u0644\u0648\u0688 \u06a9\u0627 \u0646\u062a\u06cc\u062c\u06c1 <span>\u067e\u06cc<sub>\u0688\u06cc<\/sub><\/span><\/div>\n <div class=\"result-value\" id=\"calculator-result\">\u2014 \u06a9\u06d2 \u0627\u06cc\u0646<\/div>\n <div class=\"calculation-detail\" id=\"calc-detail\"><\/div>\n <\/div>\n\n \n <div class=\"button-group\">\n <button id=\"calculator-calcBtn\" class=\"btn-primary\">\u062d\u0633\u0627\u0628 \u0644\u06af\u0627\u0646\u0627<\/button>\n <button id=\"calculator-resetBtn\" class=\"btn-secondary\">\u062f\u0648\u0628\u0627\u0631\u06c1 \u062a\u0631\u062a\u06cc\u0628 \u062f\u06cc\u06ba\u06d4<\/button>\n <\/div>\n <\/div>\n<\/div>\n\n<script>\n (function() {\n \/\/ DOM references\n const phiSelect = document.getElementById('calculator-phi');\n const ratedLoadInput = document.getElementById('calculator-ratedLoad');\n const hookWeightInput = document.getElementById('calculator-hookWeight');\n const trolleyWeightInput = document.getElementById('calculator-trolleyWeight');\n const calcBtn = document.getElementById('calculator-calcBtn');\n const resetBtn = document.getElementById('calculator-resetBtn');\n const resultSpan = document.getElementById('calculator-result');\n const calcDetailSpan = document.getElementById('calc-detail');\n \n \/\/ error message containers\n const errorPhi = document.getElementById('error-phi');\n const errorRated = document.getElementById('error-ratedLoad');\n const errorHook = document.getElementById('error-hookWeight');\n const errorTrolley = document.getElementById('error-trolleyWeight');\n \n \/\/ input fields for validation\n const inputFields = [\n { element: ratedLoadInput, errorDiv: errorRated, name: 'Rated load' },\n { element: hookWeightInput, errorDiv: errorHook, name: 'Hook & attachment mass' },\n { element: trolleyWeightInput, errorDiv: errorTrolley, name: 'Trolley self-weight' }\n ];\n const selectField = { element: phiSelect, errorDiv: errorPhi, name: 'Dynamic factor' };\n \n \/\/ conversion factor: tonnes -> kN\n const TON_TO_KN = 9.80665;\n \n \/\/ Helper: clear error for a single input (remove class, hide message)\n function clearErrorForInput(inputEl, errorDiv) {\n if (inputEl) inputEl.classList.remove('error-input');\n if (errorDiv) errorDiv.classList.remove('visible');\n }\n \n \/\/ set error for single input\n function setErrorForInput(inputEl, errorDiv, message) {\n if (inputEl) inputEl.classList.add('error-input');\n if (errorDiv) {\n errorDiv.textContent = message || 'Invalid value';\n errorDiv.classList.add('visible');\n }\n }\n \n \/\/ clear all errors\n function clearAllErrors() {\n inputFields.forEach(field => {\n clearErrorForInput(field.element, field.errorDiv);\n });\n clearErrorForInput(selectField.element, selectField.errorDiv);\n }\n \n \/\/ validate single numeric input (non-empty, valid number >=0)\n function validateSingleInput(value, fieldName) {\n if (value === undefined || value === null || value === '') {\n return { valid: false, message: `${fieldName} cannot be empty.` };\n }\n const num = parseFloat(value);\n if (isNaN(num)) {\n return { valid: false, message: `${fieldName} must be a valid number.` };\n }\n if (num < 0) {\n return { valid: false, message: `${fieldName} cannot be negative.` };\n }\n return { valid: true, value: num };\n }\n \n \/\/ validate phi select\n function validatePhi() {\n const phiVal = phiSelect.value;\n const num = parseFloat(phiVal);\n if (isNaN(num)) {\n return { valid: false, message: 'Dynamic factor must be a valid number.' };\n }\n if (num <= 0) {\n return { valid: false, message: '\u03c6 must be greater than 0.' };\n }\n return { valid: true, value: num };\n }\n \n \/\/ main validation routine\n function validateAllInputs() {\n let isValid = true;\n \n \/\/ Validate rated load\n const ratedRaw = ratedLoadInput.value;\n const ratedCheck = validateSingleInput(ratedRaw, 'Rated load');\n if (!ratedCheck.valid) {\n setErrorForInput(ratedLoadInput, errorRated, ratedCheck.message);\n isValid = false;\n } else {\n clearErrorForInput(ratedLoadInput, errorRated);\n }\n \n \/\/ Validate hook weight\n const hookRaw = hookWeightInput.value;\n const hookCheck = validateSingleInput(hookRaw, 'Hook & attachment mass');\n if (!hookCheck.valid) {\n setErrorForInput(hookWeightInput, errorHook, hookCheck.message);\n isValid = false;\n } else {\n clearErrorForInput(hookWeightInput, errorHook);\n }\n \n \/\/ Validate trolley weight\n const trolleyRaw = trolleyWeightInput.value;\n const trolleyCheck = validateSingleInput(trolleyRaw, 'Trolley self-weight');\n if (!trolleyCheck.valid) {\n setErrorForInput(trolleyWeightInput, errorTrolley, trolleyCheck.message);\n isValid = false;\n } else {\n clearErrorForInput(trolleyWeightInput, errorTrolley);\n }\n \n \/\/ Validate phi\n const phiCheck = validatePhi();\n if (!phiCheck.valid) {\n setErrorForInput(phiSelect, errorPhi, phiCheck.message);\n isValid = false;\n } else {\n clearErrorForInput(phiSelect, errorPhi);\n }\n \n if (isValid) {\n return {\n valid: true,\n Q: parseFloat(ratedLoadInput.value),\n Qh: parseFloat(hookWeightInput.value),\n Gt: parseFloat(trolleyWeightInput.value),\n phi: parseFloat(phiSelect.value)\n };\n } else {\n return { valid: false };\n }\n }\n \n \/\/ compute and update result (2 decimals)\n function computeAndDisplay() {\n const validation = validateAllInputs();\n if (!validation.valid) {\n resultSpan.textContent = '-- kN';\n calcDetailSpan.textContent = '';\n return;\n }\n \n const { Q, Qh, Gt, phi } = validation;\n const sumTon = Q + Qh + Gt;\n const dynamicTonForce = phi * sumTon;\n const dynamicKN = dynamicTonForce * TON_TO_KN;\n const roundedKN = Math.round(dynamicKN * 100) \/ 100;\n resultSpan.textContent = roundedKN.toFixed(2) + ' kN';\n \n \/\/ detail expression: consistent formatting\n const sumFixed = sumTon.toFixed(3);\n const phiFixed = phi.toFixed(3);\n calcDetailSpan.innerHTML = `${phiFixed} \u00d7 (${Q.toFixed(2)} + ${Qh.toFixed(2)} + ${Gt.toFixed(2)}) t = ${phiFixed} \u00d7 ${sumFixed} t = ${dynamicTonForce.toFixed(3)} t \u2192 ${roundedKN.toFixed(2)} kN`;\n }\n \n \/\/ reset all inputs to default values, clear errors & reset result\n function resetCalculator() {\n ratedLoadInput.value = '20.0';\n hookWeightInput.value = '0.6';\n trolleyWeightInput.value = '5.4';\n phiSelect.value = '1.25'; \/\/ medium duty default\n \n clearAllErrors();\n \n \/\/ reset result display\n resultSpan.textContent = '-- kN';\n calcDetailSpan.textContent = '';\n \n \/\/ additionally, remove error classes from all inputs (already cleared, but ensure)\n inputFields.forEach(field => {\n field.element.classList.remove('error-input');\n });\n if (phiSelect) phiSelect.classList.remove('error-input');\n }\n \n \/\/ setup dynamic error clearing on input\/change\n function setupDynamicErrorClearing() {\n ratedLoadInput.addEventListener('input', function() {\n clearErrorForInput(ratedLoadInput, errorRated);\n });\n hookWeightInput.addEventListener('input', function() {\n clearErrorForInput(hookWeightInput, errorHook);\n });\n trolleyWeightInput.addEventListener('input', function() {\n clearErrorForInput(trolleyWeightInput, errorTrolley);\n });\n phiSelect.addEventListener('change', function() {\n clearErrorForInput(phiSelect, errorPhi);\n });\n }\n \n \/\/ calculate action\n function onCalculate() {\n computeAndDisplay();\n }\n \n \/\/ reset action\n function onReset() {\n resetCalculator();\n }\n \n \/\/ initialization\n function init() {\n setupDynamicErrorClearing();\n calcBtn.addEventListener('click', onCalculate);\n resetBtn.addEventListener('click', onReset);\n \/\/ initial compute with default values (shows result on page load)\n computeAndDisplay();\n }\n \n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', init);\n } else {\n init();\n }\n })();\n<\/script>\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\">\u06a9\u0631\u06cc\u0646 \u0688\u0627\u0626\u0646\u0627\u0645\u06a9 \u0644\u0648\u0688\u0646\u06af \u06a9\u06cc\u0644\u06a9\u0648\u0644\u06cc\u0679\u0631 \u0641\u0627\u0631\u0645\u0648\u0644\u06c1<\/h2>\n\n\n\n<p>\u067e\u06cc<sub>\u0688\u06cc<\/sub>=\u03c6(Q+Q<sub>h<\/sub>+G<sub>t<\/sub>)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u067e\u06cc<sub>\u0688\u06cc<\/sub>: \u0645\u062a\u062d\u0631\u06a9 \u0644\u0648\u0688<\/li>\n\n\n\n<li>\u03c6: \u0627\u062b\u0631 \u06a9\u0627 \u0639\u0646\u0635\u0631<\/li>\n\n\n\n<li>\u0633\u0648\u0627\u0644: \u0634\u0631\u062d \u0634\u062f\u06c1 \u0644\u0648\u0688<\/li>\n\n\n\n<li>\u0633\u0648\u0627\u0644<sub>h<\/sub>: \u06c1\u06a9 \u0627\u0648\u0631 \u0627\u0679\u06cc\u0686\u0645\u0646\u0679 \u0648\u0632\u0646 \u0627\u0679\u06be\u0627\u0646\u0627<\/li>\n\n\n\n<li>\u062c\u06cc<sub>t<\/sub>: \u0679\u0631\u0627\u0644\u06cc \u062e\u0648\u062f \u0648\u0632\u0646<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0646\u0648\u0679\u0633<\/h2>\n\n\n\n<p>\u0627\u0635\u0644 \u06a9\u0631\u06cc\u0646 \u0622\u067e\u0631\u06cc\u0634\u0646 \u0645\u06cc\u06ba\u060c \u0627\u0633 \u067e\u0631 \u06a9\u0627\u0645 \u06a9\u0631\u0646\u06d2 \u0648\u0627\u0644\u06cc \u0642\u0648\u062a\u06cc\u06ba \u06c1\u0645\u06cc\u0634\u06c1 \u062c\u0627\u0645\u062f \u0628\u0648\u062c\u06be \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1 \u06c1\u0648\u062a\u06cc \u06c1\u06cc\u06ba\u06d4 \u0627\u0679\u06be\u0627\u0646\u06d2 \u0627\u0648\u0631 \u0634\u0631\u0648\u0639 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0627\u062b\u0631\u0627\u062a\u060c \u0628\u0631\u06cc\u06a9 \u0644\u06af\u0627\u0646\u06d2 \u06a9\u06d2 \u062f\u0648\u0631\u0627\u0646 \u062c\u0691\u062a\u0627\u060c \u0645\u0648\u0679\u0631 \u06a9\u06cc \u062a\u06cc\u0632 \u0631\u0641\u062a\u0627\u0631\u06cc \u0633\u06d2 \u06a9\u0645\u067e\u0646\u060c \u0627\u0648\u0631 \u0628\u0648\u062c\u06be \u06a9\u06d2 \u062c\u06be\u0648\u0644\u0646\u06d2 \u0633\u06d2 \u0645\u062a\u062d\u0631\u06a9 \u0642\u0648\u062a\u06cc\u06ba \u0628\u0691\u06be \u062c\u0627\u062a\u06cc \u06c1\u06cc\u06ba\u06d4 \u0644\u06c1\u0630\u0627\u060c \u0627\u0646 \u0639\u0648\u0627\u0645\u0644 \u06a9\u0648 \u062d\u0633\u0627\u0628 \u06a9\u06d2 \u062f\u0648\u0631\u0627\u0646 \u0627\u06cc\u06a9 \u0645\u062a\u062d\u0631\u06a9 \u0628\u0648\u062c\u06be \u0639\u0646\u0635\u0631 \u0633\u06d2 \u0636\u0631\u0628 \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u06d2\u06d4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u06a9\u0645 \u0631\u0641\u062a\u0627\u0631\u060c \u06c1\u0644\u06a9\u06d2 \u0628\u0648\u062c\u06be \u06a9\u06d2 \u062d\u0627\u0644\u0627\u062a \u06cc\u0627 \u062f\u0631\u0633\u062a \u06a9\u0646\u0679\u0631\u0648\u0644 \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u03c6=1.1<\/li>\n\n\n\n<li>\u0631\u0648\u0627\u06cc\u062a\u06cc \u0635\u0646\u0639\u062a\u06cc \u06a9\u0631\u06cc\u0646\u0648\u06ba \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u03c6=1.2-1.3<\/li>\n\n\n\n<li>\u06c1\u06cc\u0648\u06cc \u0688\u06cc\u0648\u0679\u06cc \u06cc\u0627 \u0633\u062e\u062a \u06a9\u0627\u0645 \u06a9\u0631\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u062d\u0627\u0644\u0627\u062a\u060c \u06cc\u0627 \u0627\u06c1\u0645 \u0627\u062b\u0631 \u0648\u0627\u0644\u06cc \u0622\u067e\u0631\u06cc\u0679\u0646\u06af \u0631\u06cc\u0627\u0633\u062a\u0648\u06ba \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u03c6=1.4-1.6<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0642\u0627\u0628\u0644 \u0627\u0637\u0644\u0627\u0642 \u06a9\u0631\u06cc\u0646\u06cc\u06ba<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0648\u0648\u0631 \u06c1\u06cc\u0688 \u06a9\u0631\u06cc\u0646\u06cc\u06ba<\/li>\n\n\n\n<li>Gnatry \u06a9\u0631\u06cc\u0646\u06cc\u06ba<\/li>\n\n\n\n<li>\u0627\u0644\u06cc\u06a9\u0679\u0631\u06a9 \u0679\u0631\u0627\u0644\u06cc \/ \u0644\u06c1\u0631\u0627\u0646\u06d2 \u0648\u0627\u0644\u0627<\/li>\n\n\n\n<li>\u067e\u0648\u0631\u0679 \u06a9\u0631\u06cc\u0646\u0632<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u063a\u06cc\u0631 \u0642\u0627\u0628\u0644 \u0627\u0637\u0644\u0627\u0642 \u0635\u0648\u0631\u062a\u062d\u0627\u0644<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u06cc\u0632 \u0631\u0641\u062a\u0627\u0631 \u06af\u06be\u0648\u0645\u0646\u06d2 \u0648\u0627\u0644\u06cc \u0645\u0634\u06cc\u0646\u0631\u06cc (\u0679\u0631\u0628\u0627\u0626\u0646\u0632\u060c \u0627\u0646\u062c\u0646)<\/li>\n\n\n\n<li>\u067e\u0631\u06cc\u0633\u062c\u0646 \u0645\u0634\u06cc\u0646 \u0679\u0648\u0644 \u0633\u067e\u0646\u0688\u0644 \u0633\u0633\u0679\u0645<\/li>\n\n\n\n<li>\u0627\u0646\u0679\u06cc\u0644\u062c\u0646\u0679 \u06c1\u0648\u0633\u0679\u0646\u06af \u0633\u0633\u0679\u0645 (\u062e\u0648\u062f\u06a9\u0627\u0631 \u0627\u06cc\u0646\u0679\u06cc \u0633\u0648\u06d2 \u06a9\u0646\u0679\u0631\u0648\u0644)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"\u06a9\u0631\u06cc\u0646 \u0688\u0627\u0626\u0646\u0627\u0645\u06a9 \u0644\u0648\u0688\u0646\u06af \u06a9\u06cc\u0644\u06a9\u0648\u0644\u06cc\u0679\u0631 \u06a9\u06cc \u0628\u0646\u06cc\u0627\u062f\u06cc \u0642\u062f\u0631 \u0635\u0631\u0641 \u062c\u0627\u0645\u062f \u0648\u0632\u0646 \u0627\u0679\u06be\u0627\u0646\u06d2 \u06a9\u06d2 \u0628\u062c\u0627\u0626\u06d2 \u0627\u0635\u0644 \u0622\u067e\u0631\u06cc\u0634\u0646 \u0645\u06cc\u06ba \u0627\u0679\u06be\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0627\u0636\u0627\u0641\u06cc \u0628\u0648\u062c\u06be \u06a9\u06cc \u0639\u06a9\u0627\u0633\u06cc \u06a9\u0631\u0646\u0627 \u06c1\u06d2\u060c \u062a\u0627\u06a9\u06c1 \u06a9\u0631\u06cc\u0646 \u06a9\u06d2 \u0688\u06be\u0627\u0646\u0686\u06d2 \u0627\u0648\u0631 \u0645\u06cc\u06a9\u0627\u0646\u0632\u0645 \u067e\u0631 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