{"id":15126,"date":"2025-09-10T03:27:20","date_gmt":"2025-09-10T03:27:20","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&#038;p=15126"},"modified":"2025-09-10T03:27:23","modified_gmt":"2025-09-10T03:27:23","slug":"single-girder-crane-main-beam-end-crack-repair","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/ko\/posts\/single-girder-crane-main-beam-end-crack-repair\/","title":{"rendered":"\uc2f1\uae00 \uac70\ub354 \ud06c\ub808\uc778 \uba54\uc778 \ube54 \ub05d\ub2e8 \uade0\uc5f4 \uc218\ub9ac"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\ubaa9\ucc28<\/p><nav><ul><li><a href=\"#crack-cause-analysis\">\uade0\uc5f4 \uc6d0\uc778 \ubd84\uc11d<\/a><ul><li><a href=\"#1-stress-concentration\">1. \uc751\ub825 \uc9d1\uc911<\/a><\/li><li><a href=\"#2-welding-defects\">2.\uc6a9\uc811 \uacb0\ud568<\/a><\/li><li><a href=\"#3-fatigue-load\">3. \ud53c\ub85c\ud558\uc911<\/a><\/li><li><a href=\"#4-eccentric-load-trolley-mismatch\">4. \ud3b8\uc2ec \ud558\uc911 \ubc0f \ud2b8\ub864\ub9ac \ubd88\uc77c\uce58<\/a><\/li><\/ul><\/li><li><a href=\"#repair-recommendations\">\uc218\ub9ac \uad8c\uc7a5 \uc0ac\ud56d<\/a><\/li><li><a href=\"#prevention-tips\">\uc608\ubc29 \ud301<\/a><\/li><li><a href=\"#conclusion\">\uacb0\ub860<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>12\ub144 \ub41c 5\ud1a4 31.5m \uc2f1\uae00 \uac70\ub354 \ud06c\ub808\uc778\uc744 \ubd84\uc11d\ud588\ub294\ub370, \uba54\uc778 \ube54 \ub05d\ub2e8\uc5d0 \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4(\uc0ac\uc9c4\uc758 \ud30c\ub780\uc0c9 \uc0c1\uc790). \uc6d0\uc778 \ubd84\uc11d \ubc0f \uc218\ub9ac \uad8c\uc7a5 \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \ucc38\uace0\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"720\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/09\/Single-Girder-Crane-Main-Beam-End-Crack-Repair-Analysis.png\" alt=\"\" class=\"wp-image-15127\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"crack-cause-analysis\">\uade0\uc5f4 \uc6d0\uc778 \ubd84\uc11d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-stress-concentration\">1. \uc751\ub825 \uc9d1\uc911<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubcf4 \ub05d\ub2e8\uc740 \uac15\ub3c4 \ubc0f \uac15\uc131 \uc694\uac74\uc744 \ucda9\uc871\ud558\uba74\uc11c \uc7ac\ub8cc\ub97c \uc808\uc57d\ud558\uae30 \uc704\ud574 \uac00\ubcc0 \ub2e8\uba74 \uc124\uacc4\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uae09\uaca9\ud55c \ub2e8\uba74 \ubcc0\ud654(\uc608: \uc0ac\uc9c4\uc758 \uc9c1\uac01 \ubaa8\uc11c\ub9ac)\ub294 \uc751\ub825 \uc9d1\uc911\uc744 \uc720\ubc1c\ud558\uc5ec \uc7a5\uc2dc\uac04 \ud558\uc911\uc744 \ubc1b\uc744 \ub54c \ud574\ub2f9 \ubd80\uc704\uc5d0 \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc5f0\uacb0 \uac01\ub3c4\uc640 \uac11\uc791\uc2a4\ub7ec\uc6b4 \uae30\ud558\ud559\uc801 \ubcc0\ud654\ub294 \uc6d0\ud65c\ud55c \ud558\uc911 \uc804\ub2ec\uc744 \ubc29\ud574\ud558\uace0, \ubcf4 \ubcc0\ud615\uc744 \uc81c\ud55c\ud558\uba70, \uc751\ub825 \ucd95\uc801\uc744 \uc99d\uac00\uc2dc\ucf1c \uade0\uc5f4\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-welding-defects\">2.\uc6a9\uc811 \uacb0\ud568<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubd80\uc801\uc808\ud55c \uc6a9\uc811(\uc608: \ub2e4\uacf5\uc131, \uc2ac\ub798\uadf8 \ud3ec\ud568, \uc735\ud569 \ubd80\uc871)\uc740 \uc751\ub825\uc810\uc744 \ub9cc\ub4e4\uc5b4 \uade0\uc5f4\uc758 \uc2dc\uc791\uc810\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub2e4\uc591\ud55c \ub2e8\uba74\uc801\uc5d0 \ub0a0\uce74\ub85c\uc6b4 \ubaa8\uc11c\ub9ac\uac00 \uc788\ub294 \ub4f1 \ubcf5\uc7a1\ud55c \uc6a9\uc811\uc774 \uc788\ub294 \uc601\uc5ed\uc740 \uc81c\uc5b4\ud558\uae30\uac00 \ud2b9\ud788 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-fatigue-load\">3. \ud53c\ub85c\ud558\uc911<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub2e4\uc591\ud55c \ub2e8\uba74\uc801\uc5d0\uc11c \uc751\ub825\uc774 \uc9d1\uc911\ub418\uace0 \ub3d9\uc801 \ud558\uc911\uc774 \uac00\ud574\uc9c0\ub294 \uc7a5\uae30\uac04 \uc791\ub3d9\uc740 \ud53c\ub85c \uade0\uc5f4\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud2b8\ub864\ub9ac\uc758 \uc6c0\uc9c1\uc784\uc774 \uace0\ub974\uc9c0 \uc54a\uac70\ub098 \ud2b8\ub799 \uc5f0\uacb0\ubd80\uc5d0 \ud070 \ud2c8\uc774 \uc788\uc73c\uba74 \ucda9\uaca9 \ud558\uc911\uc774 \ubc1c\uc0dd\ud558\uc5ec \uade0\uc5f4\uc774 \ub354 \ube68\ub9ac \ud37c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-eccentric-load-trolley-mismatch\">4. \ud3b8\uc2ec \ud558\uc911 \ubc0f \ud2b8\ub864\ub9ac \ubd88\uc77c\uce58<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ube54\uc758 \ud55c\ucabd \uba74\uc744 \uc790\uc8fc \ub4e4\uc5b4\uc62c\ub9ac\uba74 \ud2b8\ub864\ub9ac \ubd88\uc77c\uce58\uac00 \ubc1c\uc0dd\ud558\uc5ec \ube44\ud2c0\ub9bc \ud558\uc911\uc774 \ube54 \ub05d\ubd80\ubd84\uc5d0 \uc9d1\uc911\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc815\ub82c\ub418\uc9c0 \uc54a\uc740 \uc8fc\ud589\uc774\ub098 \ub808\uc77c \uc811\ucd09(\ud2b8\ub799 \ud06c\ub9ac\ud551\/\ub808\uc77c \ubc14\uc774\ud2b8)\uc740 \uc0c1\ud669\uc744 \ub354\uc6b1 \uc545\ud654\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"repair-recommendations\">\uc218\ub9ac \uad8c\uc7a5 \uc0ac\ud56d<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uade0\uc5f4\uc774 \uc0dd\uae34 \ubd80\ubd84\uc758 \uc6a9\uc811 \ubd80\ubd84\uc744 \uac08\uc544\uc11c \uccad\uc18c\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uade0\uc5f4 \ub05d\ubd80\ubd84\uc5d0 \uad6c\uba4d\uc744 \ub6ab\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc815\uc9c0 \uad6c\uba4d \ub108\uba38\uc758 \uade0\uc5f4\uc744 \uccad\uc18c\ud558\uace0 \ub2e4\uc2dc \uc6a9\uc811\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc591\ucabd \uc6f9 \ud50c\ub808\uc774\ud2b8\uc5d0 \ubcf4\uac15\ud310\uc744 \uc124\uce58\ud558\uace0 \ubaa8\uc11c\ub9ac\uc5d0\uc11c \uc911\uac04 \uc2a4\ud32c\uc744 \ud5a5\ud574 \ubcf4 \ub05d\uae4c\uc9c0 200mm\ub97c \ub36e\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ubcf4\uac15\ud310\uc5d0 \ud50c\ub7ec\uadf8 \uc6a9\uc811 \uad6c\uba4d\uc744 \ucd94\uac00\ud558\uace0 \uac00\uc7a5\uc790\ub9ac \uc8fc\uc704\ub97c \uc6a9\uc811\ud569\ub2c8\ub2e4. \uac00\ub2a5\ud558\ub2e4\uba74 \ud50c\ub79c\uc9c0\ud310\uc758 \uc811\ud569\ubd80\uc5d0 \ube0c\ub808\uc774\uc2a4\ub97c \uc124\uce58\ud558\uc5ec \uac15\uc131\uc744 \uac15\ud654\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc6a9\uc811 \ud6c4 \uc138\ucc99 \ubc0f \ub3c4\uc7a5.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"prevention-tips\">\uc608\ubc29 \ud301<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc751\ub825 \uc9d1\uc911\uc744 \uc904\uc774\ub824\uba74 \uc124\uacc4 \uc2dc \ub9e4\ub044\ub7ec\uc6b4 \ub2e8\uba74 \uc804\ud658\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n\n\n\n<li>\uc6a9\uc811 \ud488\uc9c8\uc744 \uc5c4\uaca9\ud558\uac8c \uad00\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc870\uae30 \uade0\uc5f4\uc744 \ubc1c\uacac\ud558\uae30 \uc704\ud574 \uc815\uae30\uc801\uc778 \uac80\uc0ac\ub97c \uc2e4\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uacfc\ubd80\ud558\ub97c \ud53c\ud558\uace0 \uc801\uc808\ud55c \uc791\uc5c5 \uc808\ucc28\ub97c \ub530\ub974\uc138\uc694.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">\uacb0\ub860<\/h2>\n\n\n\n<p>\ud06c\ub808\uc778\uc758 \uc218\uba85\uc744 \uc5f0\uc7a5\ud558\uace0 \uc548\uc804\ud55c \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud558\ub824\uba74 \uc801\uc808\ud55c \ubd84\uc11d, \uc801\uc2dc \uc218\ub9ac, \uadf8\ub9ac\uace0 \uc608\ubc29 \uc870\uce58\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc815\uae30\uc801\uc778 \uc810\uac80, \uace0\ud488\uc9c8 \uc6a9\uc811, \uadf8\ub9ac\uace0 \uc138\uc2ec\ud55c \ucde8\uae09\uc740 \uade0\uc5f4 \ubc1c\uc0dd \ubc0f \ud655\uc0b0\uc744 \ubc29\uc9c0\ud558\uc5ec \uc7a5\ube44\uc758 \uc2e0\ub8b0\uc131\uacfc \ud6a8\uc728\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"12\ub144 \ub41c 5\ud1a4 31.5m \uc2f1\uae00 \uac70\ub354 \ud06c\ub808\uc778\uc744 \ubd84\uc11d\ud588\ub294\ub370, \uba54\uc778 \ube54 \ub05d\ub2e8\uc5d0 \uade0\uc5f4(\uc0ac\uc9c4\uc758 \ud30c\ub780\uc0c9 \uc0c1\uc790)\uc774 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4. \uc6d0\uc778 \ubd84\uc11d \ubc0f \uc218\ub9ac \uad8c\uc7a5 \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uade0\uc5f4 \uc6d0\uc778 \ubd84\uc11d 1. \uc751\ub825 \uc9d1\uc911 2. \uc6a9\uc811 \uacb0\ud568 3. \ud53c\ub85c \ud558\uc911 4. \ud3b8\uc2ec \ud558\uc911 \ubc0f \ud2b8\ub864\ub9ac \ubd88\uc77c\uce58 \uc218\ub9ac \uad8c\uc7a5 \uc0ac\ud56d \uc608\ubc29 \ud301 \uacb0\ub860 \uc801\uc808\ud55c \ubd84\uc11d, \uc801\uc2dc \uc218\ub9ac \ubc0f \uc608\ubc29 \uc870\uce58 [\u2026]","protected":false},"featured_media":15127,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[351],"posts_tag":[957],"class_list":["post-15126","posts","type-posts","status-publish","has-post-thumbnail","hentry","posts_category-blog","posts_tag-crane-repair"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts\/15126"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":4,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts\/15126\/revisions"}],"predecessor-version":[{"id":15131,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts\/15126\/revisions\/15131"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/media\/15127"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/media?parent=15126"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/posts_category?post=15126"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/posts_tag?post=15126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}