{"id":13379,"date":"2025-06-17T07:49:26","date_gmt":"2025-06-17T07:49:26","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&#038;p=13379"},"modified":"2025-06-17T07:49:35","modified_gmt":"2025-06-17T07:49:35","slug":"gantry-cranes-in-bridge-construction","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/cs\/posts\/gantry-cranes-in-bridge-construction\/","title":{"rendered":"Port\u00e1lov\u00e9 je\u0159\u00e1by v mostn\u00edm stavitelstv\u00ed: Inovativn\u00ed aplikace a odborn\u00e9 poznatky o instalaci"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Obsah<\/p><nav><ul><li><a href=\"#structure-and-functions-of-gantry-cranes\">Struktura a funkce port\u00e1lov\u00fdch je\u0159\u00e1b\u016f<\/a><ul><li><a href=\"#hoisting-system\">Zvedac\u00ed syst\u00e9m<\/a><\/li><li><a href=\"#main-gantry-frame\">Hlavn\u00ed port\u00e1lov\u00fd r\u00e1m<\/a><\/li><li><a href=\"#rail-foundation\">\u017delezni\u010dn\u00ed nadace<\/a><\/li><li><a href=\"#trolley-traveling-system\">Syst\u00e9m pro cestov\u00e1n\u00ed s voz\u00edkem<\/a><\/li><li><a href=\"#main-traveling-system\">Hlavn\u00ed cestovn\u00ed syst\u00e9m<\/a><\/li><\/ul><\/li><li><a href=\"#installation-procedures-and-key-points-of-gantry-cranes-in-bridge-construction\">Instala\u010dn\u00ed postupy a kl\u00ed\u010dov\u00e9 body port\u00e1lov\u00fdch je\u0159\u00e1b\u016f p\u0159i stavb\u011b most\u016f<\/a><ul><li><a href=\"#installation-procedures\">Instala\u010dn\u00ed postupy<\/a><\/li><li><a href=\"#installation-key-points\">Kl\u00ed\u010dov\u00e9 body instalace<\/a><\/li><\/ul><\/li><li><a href=\"#analysis-of-gantry-crane-applications-in-bridge-construction\">Anal\u00fdza aplikac\u00ed port\u00e1lov\u00fdch je\u0159\u00e1b\u016f p\u0159i stavb\u011b most\u016f<\/a><ul><li><a href=\"#commissioning-and-operation\">Uveden\u00ed do provozu a provoz<\/a><\/li><li><a href=\"#application-in-bridge-construction\">Aplikace p\u0159i stavb\u011b most\u016f<\/a><\/li><\/ul><\/li><li><a href=\"#conclusion\">Z\u00e1v\u011br<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"580\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Gantry-Cranes-in-Bridge-Construction-1.webp\" alt=\"\" class=\"wp-image-13381\"><\/figure>\n\n\n\n<p>S rostouc\u00edmi schopnostmi dom\u00e1c\u00edch stavebn\u00edch podnik\u016f v oblasti v\u00fdstavby d\u00e1lni\u010dn\u00edch a \u017eelezni\u010dn\u00edch most\u016f vykazuj\u00ed \u010d\u00ednsk\u00e9 mostn\u00ed projekty trend v\u011bt\u0161\u00edch rozp\u011bt\u00ed a vy\u0161\u0161\u00ed stavebn\u00ed obt\u00ed\u017enosti, co\u017e klade vy\u0161\u0161\u00ed po\u017eadavky na technologii v\u00fdstavby most\u016f. B\u011bhem v\u00fdstavby most\u016f se v\u011bt\u0161ina st\u0159edn\u00edch a velk\u00fdch konstruk\u010dn\u00edch prvk\u016f spol\u00e9h\u00e1 na... <a href=\"https:\/\/www.dgcrane.com\/cs\/casting-yard-gantry-crane\/\">port\u00e1lov\u00e9 je\u0159\u00e1by<\/a> pro zdvihac\u00ed operace. Proto m\u016f\u017ee rozumn\u00e1 instalace port\u00e1lov\u00fdch je\u0159\u00e1b\u016f podle stavebn\u00edch po\u017eadavk\u016f \u00fa\u010dinn\u011b zlep\u0161it v\u00fdkon za\u0159\u00edzen\u00ed a efektivitu v\u00fdstavby most\u016f a tak\u00e9 sn\u00ed\u017eit stavebn\u00ed n\u00e1klady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"structure-and-functions-of-gantry-cranes\">Struktura a funkce port\u00e1lov\u00fdch je\u0159\u00e1b\u016f<\/h2>\n\n\n\n<p>Konstrukce port\u00e1lov\u00fdch je\u0159\u00e1b\u016f se li\u0161\u00ed. Mezi b\u011b\u017en\u00e9 z\u00e1kladn\u00ed komponenty pat\u0159\u00ed zdvihac\u00ed syst\u00e9m, port\u00e1lov\u00fd r\u00e1m, kolejnicov\u00fd z\u00e1klad a syst\u00e9m pojezdu voz\u00edku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"hoisting-system\"><strong>Zvedac\u00ed syst\u00e9m<\/strong><\/h3>\n\n\n\n<p>Zvedac\u00ed syst\u00e9m se pou\u017e\u00edv\u00e1 hlavn\u011b ke zved\u00e1n\u00ed nebo spou\u0161t\u011bn\u00ed sou\u010d\u00e1st\u00ed pomoc\u00ed dvou zdvihac\u00edch bod\u016f. Skl\u00e1d\u00e1 se z nakl\u00e1p\u011bc\u00edho motoru, hlavn\u00edho motoru, planetov\u00e9ho reduktoru a bubnu. Pro zaji\u0161t\u011bn\u00ed vyv\u00e1\u017een\u00ed p\u0159i zved\u00e1n\u00ed jsou port\u00e1lov\u00e9 je\u0159\u00e1by obvykle konstruov\u00e1ny s v\u00edce ne\u017e dv\u011bma zdvihac\u00edmi syst\u00e9my. Pro stabilizaci zvedan\u00e9ho p\u0159edm\u011btu mus\u00ed port\u00e1lov\u00fd je\u0159\u00e1b pou\u017e\u00edt rozp\u011brn\u00fd nosn\u00edk a zdvihac\u00ed syst\u00e9m k spole\u010dn\u00e9mu unesen\u00ed b\u0159emene a pot\u00e9 zvednout sou\u010d\u00e1st pomoc\u00ed hydraulick\u00e9ho je\u0159\u00e1bu nebo elektrick\u00e9ho navij\u00e1ku port\u00e1lov\u00e9ho je\u0159\u00e1bu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"main-gantry-frame\"><strong>Hlavn\u00ed port\u00e1lov\u00fd r\u00e1m<\/strong><\/h3>\n\n\n\n<p>Hlavn\u00ed port\u00e1lov\u00fd r\u00e1m je hlavn\u00ed konstrukc\u00ed port\u00e1lov\u00e9ho je\u0159\u00e1bu a slou\u017e\u00ed jako \u201estabiliza\u010dn\u00ed syst\u00e9m\u201c je\u0159\u00e1bu, jeho\u017e hlavn\u00ed funkc\u00ed je zaji\u0161t\u011bn\u00ed stability p\u0159i zved\u00e1n\u00ed b\u011bhem provozu. Skl\u00e1d\u00e1 se z kompozitn\u00ed konstrukce tvo\u0159en\u00e9 hlavn\u00edm nosn\u00edkem a sloupy s vysok\u00fdmi\/n\u00edzk\u00fdmi nohami. Hlavn\u00ed nosn\u00edk je sestaven k\u0159\u00ed\u017eov\u00fdm spojov\u00e1n\u00edm mnoha nosn\u00edk\u016f s 65 pil\u00ed\u0159i, p\u0159i\u010dem\u017e ka\u017ed\u00e9 dva kusy jsou upevn\u011bny v horn\u00ed \u010d\u00e1sti nosn\u00fdch sloup\u016f. Jeho hlavn\u00ed funkc\u00ed je zajistit stabilitu port\u00e1lov\u00e9ho je\u0159\u00e1bu, nikoli p\u0159\u00edmo n\u00e9st zvedac\u00ed zat\u00ed\u017een\u00ed.<\/p>\n\n\n\n<p>Hlavn\u00ed nosn\u00edk je obvykle odn\u00edmateln\u00fd p\u0159\u00edhradov\u00fd nosn\u00edk nebo v\u00edced\u00edln\u00fd jednovrstv\u00fd nosn\u00edk instalovan\u00fd v port\u00e1lov\u00e9 pozici. Vysok\u00e9 a n\u00edzk\u00e9 sloupy jsou tak\u00e9 sestaveny z 65 pil\u00ed\u0159\u016f a tvo\u0159\u00ed tak v\u00edce\u0159adou sloupovou konstrukci v horizont\u00e1ln\u00edm i vertik\u00e1ln\u00edm sm\u011bru. Mezi sloupy jsou instalov\u00e1ny horizont\u00e1ln\u00ed ztu\u017eidla a p\u0159\u00ed\u010dn\u00e9 diagon\u00e1ln\u00ed ztu\u017eidla. Sousedn\u00ed sloupy na jedn\u00e9 stran\u011b jsou vyztu\u017eeny \u00faheln\u00edkovou ocel\u00ed a nosn\u00edky I-tvaru naho\u0159e a dole jsou vyztu\u017eeny n\u016f\u017ekov\u00fdm ztu\u017een\u00edm.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"580\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Gantry-crane-frame.jpg\" alt=\"\" class=\"wp-image-13387\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"rail-foundation\"><strong>\u017delezni\u010dn\u00ed nadace<\/strong><\/h3>\n\n\n\n<p>P\u0159i stavb\u011b most\u016f se port\u00e1lov\u00e9 je\u0159\u00e1by instaluj\u00ed hust\u011b a kola nesou velk\u00fd tlak. Proto jsou kladeny p\u0159\u00edsn\u00e9 po\u017eadavky na \u00fanosnost kolejnicov\u00e9ho z\u00e1kladu. Z\u00e1klad mus\u00ed b\u00fdt speci\u00e1ln\u011b vyztu\u017een, aby odolal jmenovit\u00e9mu zat\u00ed\u017een\u00ed dle konstruk\u010dn\u00edch norem pro zdvih\u00e1n\u00ed port\u00e1lov\u00fdch je\u0159\u00e1b\u016f. Z\u00e1klad se obvykle konstruuje jako \u017eelezobetonov\u00e9 koryto, aby se zajistila pevn\u00e1 z\u00e1kladna kolejnice a hladkost koleje spl\u0148ovala konstruk\u010dn\u00ed po\u017eadavky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"trolley-traveling-system\"><strong>Syst\u00e9m pro cestov\u00e1n\u00ed s voz\u00edkem<\/strong><\/h3>\n\n\n\n<p>Syst\u00e9m pojezdu voz\u00edku zaji\u0161\u0165uje bezpe\u010dnost a stabilitu zdvihac\u00edch operac\u00ed a je \u0159\u00edzen elektronick\u00fdm regul\u00e1torem ot\u00e1\u010dek s prom\u011bnnou frekvenc\u00ed. Je sp\u00e1rov\u00e1n s kladkami a pomal\u00fdm navij\u00e1kem, aby se sn\u00ed\u017eil n\u00e1raz zp\u016fsoben\u00fd n\u00e1hl\u00fdm zastaven\u00edm nebo rozjezdem pojezdov\u00e9ho za\u0159\u00edzen\u00ed. Pro umo\u017en\u011bn\u00ed bo\u010dn\u00edho pohybu mus\u00ed b\u00fdt ka\u017ed\u00fd voz\u00edk vybaven alespo\u0148 dv\u011bma p\u00e1ry ocelov\u00fdch kol v m\u00edst\u011b hlavn\u00edho nosn\u00edku. Syst\u00e9m pojezdu voz\u00edku se obvykle skl\u00e1d\u00e1 z kolejnicov\u00e9ho voz\u00edku a pojezdov\u00e9 kolejnice.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"main-traveling-system\"><strong>Hlavn\u00ed cestovn\u00ed syst\u00e9m<\/strong><\/h3>\n\n\n\n<p>Pro st\u0159edn\u00ed a velk\u00e9 mostn\u00ed konstrukce obvykle nemohou konven\u010dn\u00ed pojezdov\u00e9 syst\u00e9my port\u00e1lov\u00fdch je\u0159\u00e1b\u016f spl\u0148ovat stavebn\u00ed po\u017eadavky. Je zapot\u0159eb\u00ed v\u011bt\u0161\u00ed pojezdov\u00fd syst\u00e9m. Hlavn\u00ed pojezdov\u00fd syst\u00e9m se skl\u00e1d\u00e1 z hnac\u00edho syst\u00e9mu a pojezdov\u00e9ho voz\u00edku, kde pojezdov\u00fd voz\u00edk je kl\u00ed\u010dov\u00fdm \u0159\u00eddic\u00edm syst\u00e9mem p\u0159i zdvihac\u00edch operac\u00edch. Za p\u0159edpokladu pevn\u00e9 nosnosti pojezdov\u00e9ho voz\u00edku lze nosnost zv\u00fd\u0161it zv\u00fd\u0161en\u00edm po\u010dtu voz\u00edk\u016f. Pojezdov\u00fd voz\u00edk spl\u0148uje po\u017eadavky na konstruk\u010dn\u00ed zat\u00ed\u017een\u00ed a pojezdovou vzd\u00e1lenost mostn\u00ed konstrukce a sni\u017euje n\u00e1raz na je\u0159\u00e1b.<\/p>\n\n\n\n<p>Jako poj\u00edzdn\u00fd ocelov\u00fd nosn\u00edk se obvykle pou\u017e\u00edvaj\u00ed ocelov\u00e9 nosn\u00edky s 83 pil\u00ed\u0159i a dlouh\u00e9 I-nosn\u00edky, sp\u00e1rovan\u00e9 s multifunk\u010dn\u00edmi voz\u00edky. V z\u00e1vislosti na konstruk\u010dn\u00edch pot\u0159eb\u00e1ch lze zvolit jednokolejn\u00e9 nebo dvoukolejn\u00e9 proveden\u00ed. Pro minimalizaci dopadu j\u00edzdy na dlouh\u00e9 vzd\u00e1lenosti lze \u0159\u00edzen\u00ed dos\u00e1hnout pomoc\u00ed reduk\u010dn\u00edch pohon\u016f s frekven\u010dn\u00edmi m\u011bni\u010di; pokud je pojezdov\u00e1 vzd\u00e1lenost kr\u00e1tk\u00e1, lze pro pohyb pou\u017e\u00edt kotevn\u00ed body a trak\u010dn\u00ed za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"installation-procedures-and-key-points-of-gantry-cranes-in-bridge-construction\">Instala\u010dn\u00ed postupy a kl\u00ed\u010dov\u00e9 body port\u00e1lov\u00fdch je\u0159\u00e1b\u016f p\u0159i stavb\u011b most\u016f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"installation-procedures\"><strong>Instala\u010dn\u00ed postupy<\/strong><\/h3>\n\n\n\n<p><strong>Instalace port\u00e1lov\u00fdch je\u0159\u00e1b\u016f p\u0159i stavb\u011b most\u016f se \u0159\u00edd\u00ed principem shora dol\u016f, p\u0159i\u010dem\u017e nejprve se umis\u0165uje hlavn\u00ed konstrukce a pot\u00e9 pomocn\u00e9 konstrukce. Postupy instalace jsou n\u00e1sleduj\u00edc\u00ed:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O\u0161et\u0159ete z\u00e1klady port\u00e1lov\u00e9ho je\u0159\u00e1bu. Toto je z\u00e1kladn\u00ed krok p\u0159i zved\u00e1n\u00ed most\u016f. Zajist\u011bte, aby kompaktnost a rovinnost z\u00e1klad\u016f spl\u0148ovaly po\u017eadavky na zved\u00e1n\u00ed.<\/li>\n\n\n\n<li>Polo\u017ete ocelovou kolej a d\u0159ev\u011bn\u00e9 pra\u017ece pro spodn\u00ed voz\u00edk port\u00e1lov\u00e9ho je\u0159\u00e1bu. Zajist\u011bte, aby rovnob\u011b\u017enost a hladkost kolej\u00ed spl\u0148ovaly konstruk\u010dn\u00ed po\u017eadavky.<\/li>\n\n\n\n<li>Um\u00edst\u011bte spodn\u00ed voz\u00edk na ocelovou kolejnici a se\u0159i\u010fte jeho vodorovnou a j\u00edzdn\u00ed polohu.<\/li>\n\n\n\n<li>Nainstalujte sloupy port\u00e1lov\u00e9ho je\u0159\u00e1bu. Po mont\u00e1\u017ei sloup\u016f nainstalujte horn\u00ed ocelovou desku a pot\u00e9 spojte a vyztu\u017ete mezi sloupy.<\/li>\n\n\n\n<li>Zvedn\u011bte hlavn\u00ed nosn\u00edk port\u00e1lov\u00e9ho je\u0159\u00e1bu. Po vyzvednut\u00ed hlavn\u00edch nosn\u00edk\u016f je spojte vodorovn\u011b.<\/li>\n\n\n\n<li>Polo\u017ete kolejnici voz\u00edku a um\u00edst\u011bte voz\u00edk na kolejnici.<\/li>\n\n\n\n<li>Sestavte zvedac\u00ed syst\u00e9m, zvedac\u00ed nosn\u00edk, rozp\u011brn\u00fd nosn\u00edk a oto\u010dn\u00e9 za\u0159\u00edzen\u00ed.<\/li>\n\n\n\n<li>Nainstalujte a odla\u010fte syst\u00e9my bo\u010dn\u00edho a pod\u00e9ln\u00e9ho pohybu. Bo\u010dn\u00ed syst\u00e9m ozna\u010duje syst\u00e9m voz\u00edku a pod\u00e9ln\u00fd syst\u00e9m ozna\u010duje syst\u00e9m spodn\u00edho voz\u00edku.<\/li>\n\n\n\n<li>Nainstalujte a odla\u010fte automatizovan\u00fd elektrick\u00fd \u0159\u00eddic\u00ed syst\u00e9m, kter\u00fd je syst\u00e9mem pro \u0159\u00edzen\u00ed zdvihac\u00edch operac\u00ed a je d\u016fle\u017eitou sou\u010d\u00e1st\u00ed je\u0159\u00e1bu.<\/li>\n\n\n\n<li>Nainstalujte zvedac\u00ed popruhy, dokon\u010dete kompletn\u00ed odlad\u011bn\u00ed a zku\u0161ebn\u00ed provoz port\u00e1lov\u00e9ho je\u0159\u00e1bu a p\u0159ipravte se na skute\u010dnou stavbu.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"installation-key-points\"><strong>Kl\u00ed\u010dov\u00e9 body instalace<\/strong><\/h3>\n\n\n\n<p><strong>P\u0159i pou\u017eit\u00ed port\u00e1lov\u00fdch je\u0159\u00e1b\u016f pro stavbu most\u016f je nutn\u00e9 b\u011bhem instalace prov\u00e1d\u011bt p\u0159\u00edsnou kontrolu kvality, aby se zabr\u00e1nilo nestabiln\u00edmu provozu nebo nevyv\u00e1\u017een\u00fdm sil\u00e1m b\u011bhem zved\u00e1n\u00ed, co\u017e by mohlo ovlivnit bezpe\u010dnost a stabilitu provozu.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stabilita a plynul\u00fd chod jsou kl\u00ed\u010dov\u00fdmi body pro instalace kolejnic i voz\u00edk\u016f a jsou z\u00e1kladem pro plynul\u00fd zdvihac\u00ed provoz.<\/li>\n\n\n\n<li>P\u0159ed instalac\u00ed kolejnice zajist\u011bte p\u0159esnost geodetick\u00fdch dat a zkontrolujte v\u00fd\u0161ku kolejnice, sklon a vzd\u00e1lenost pojezdu jednotliv\u00fdch kol v r\u00e1mci projektovan\u00fdch limit\u016f. Jak\u00e9koli odchylky ovlivn\u00ed stabiln\u00ed provoz je\u0159\u00e1bu.<\/li>\n\n\n\n<li>P\u0159ed instalac\u00ed voz\u00edku se ujist\u011bte, \u017ee jsou hlavn\u00ed nosn\u00edk a pojezdov\u00e1 kolejnice bezpe\u010dn\u011b nainstalov\u00e1ny. Zajist\u011bte absolutn\u00ed rovnob\u011b\u017enost kolej\u00ed. Na obou konc\u00edch nainstalujte zar\u00e1\u017eky, abyste zabr\u00e1nili vykolejen\u00ed.<\/li>\n\n\n\n<li>B\u011bhem instalace horn\u00edho nosn\u00edku zajist\u011bte p\u0159esnou osovou vzd\u00e1lenost mezi podp\u011brn\u00fdmi nohami. B\u011bhem spojov\u00e1n\u00ed udr\u017eujte rovnov\u00e1hu, obvykle pomoc\u00ed ta\u017en\u00fdch lan pro zaji\u0161t\u011bn\u00ed bezpe\u010dn\u00e9 mont\u00e1\u017ee.<\/li>\n\n\n\n<li>P\u0159i instalaci sloup\u016f s vysok\u00fdmi a n\u00edzk\u00fdmi nohami dodr\u017eujte po\u0159ad\u00ed shora dol\u016f a zajist\u011bte pevn\u00e9 spojen\u00ed. Pro instalaci s n\u00edzk\u00fdmi nohami pou\u017eijte horn\u00ed kotevn\u00ed lana k nastaven\u00ed a zaji\u0161t\u011bn\u00ed svislosti. Pro dostate\u010dnou pevnost v tahu pou\u017eijte kotevn\u00ed lana o pr\u016fm\u011bru 15 mm s \u00fahlem 45\u00b0 k noh\u00e1m.<\/li>\n\n\n\n<li>Navij\u00e1k mus\u00ed spl\u0148ovat po\u017eadavky na zved\u00e1n\u00ed a nosnost a mus\u00ed b\u00fdt bezpe\u010dn\u011b p\u0159ipojen k voz\u00edku, aby se zabr\u00e1nilo nehod\u00e1m zp\u016fsoben\u00fdm uvoln\u011bn\u00edm.<\/li>\n\n\n\n<li>Po v\u00fdm\u011bn\u011b skupin kladek zajist\u011bte oba konce ocelov\u00e9ho lana, abyste zajistili bezpe\u010dn\u00fd a stabiln\u00ed provoz kladek.<\/li>\n\n\n\n<li>Automatizovan\u00fd elektrick\u00fd \u0159\u00eddic\u00ed syst\u00e9m mus\u00ed b\u00fdt instalov\u00e1n certifikovan\u00fdmi odborn\u00edky. Mus\u00ed proj\u00edt uveden\u00edm do provozu a zku\u0161ebn\u00edm testov\u00e1n\u00edm a b\u00fdt uveden do provozu a\u017e po absolvov\u00e1n\u00ed v\u0161ech standardn\u00edch test\u016f.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"analysis-of-gantry-crane-applications-in-bridge-construction\">Anal\u00fdza aplikac\u00ed port\u00e1lov\u00fdch je\u0159\u00e1b\u016f p\u0159i stavb\u011b most\u016f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"commissioning-and-operation\"><strong>Uveden\u00ed do provozu a provoz<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"580\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Gantry-Cranes-in-Bridge-Construction-1.jpg\" alt=\"\" class=\"wp-image-13388\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"580\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Gantry-Cranes-in-Bridge-Construction-2.jpg\" alt=\"\" class=\"wp-image-13389\"><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>Uveden\u00ed do provozu by m\u011blo za\u010d\u00edt zapnut\u00edm syst\u00e9mu. Ka\u017ed\u00fd zdvihac\u00ed \u00fakon by m\u011bl b\u00fdt testov\u00e1n bez z\u00e1t\u011b\u017ee a jak\u00e9koli odchylky by m\u011bly b\u00fdt opraveny, dokud v\u0161echny parametry nespl\u0148uj\u00ed konstruk\u010dn\u00ed normy. Po dokon\u010den\u00ed je uveden\u00ed do provozu bez z\u00e1t\u011b\u017ee ukon\u010deno.<\/p>\n\n\n\n<p>Zku\u0161ebn\u00ed provoz je podobn\u00fd, ale prov\u00e1d\u00ed se pod zat\u00ed\u017een\u00edm. Jakmile jsou odchylky opraveny a normy spln\u011bny pod zat\u00ed\u017een\u00edm, za\u010d\u00edn\u00e1 zved\u00e1n\u00ed. Po v\u00fdpo\u010dtu bod\u016f zved\u00e1n\u00ed hlavn\u00edho nosn\u00edku a dokon\u010den\u00ed mont\u00e1\u017ee hlavn\u00edho nosn\u00edku by se zku\u0161ebn\u00ed zved\u00e1n\u00ed m\u011blo zastavit, kdy\u017e je nosn\u00edk zvednut o 10\u201320 cm pro kontrolu vyv\u00e1\u017een\u00ed. Upravte konfiguraci pro vyrovn\u00e1n\u00ed nosn\u00edku.<\/p>\n\n\n\n<p>Krom\u011b toho by obsluha m\u011bla zkontrolovat stav upevn\u011bn\u00ed zvedac\u00edch popruh\u016f a podlo\u017eek. V p\u0159\u00edpad\u011b pot\u0159eby je upravte, aby byla zaji\u0161t\u011bna co nejlep\u0161\u00ed v\u00fdkonnost b\u011bhem zdvihac\u00edch operac\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"application-in-bridge-construction\"><strong>Aplikace p\u0159i stavb\u011b most\u016f<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1177\" height=\"798\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Gantry-Cranes-in-Bridge-Construction.jpg\" alt=\"\" class=\"wp-image-13390\"><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u0159eprava mostn\u00edch komponent<\/strong>Port\u00e1lov\u00e9 je\u0159\u00e1by p\u0159epravuj\u00ed komponenty ze skladu na m\u00edsto mostu. Aby se zabr\u00e1nilo po\u0161kozen\u00ed b\u011bhem manipulace, je nutn\u00e1 p\u0159esn\u00e1 obsluha.<\/li>\n\n\n\n<li><strong>Instalace komponent<\/strong>Komponenty jsou instalov\u00e1ny p\u0159esn\u011b na ur\u010den\u00fdch m\u00edstech. Vysoce p\u0159esn\u00e9 polohov\u00e1n\u00ed zaji\u0161\u0165uje konstruk\u010dn\u00ed p\u0159esnost a bezpe\u010dnost mostu.<\/li>\n\n\n\n<li><strong>Demolice Star\u00e9ho mostu<\/strong>Port\u00e1lov\u00e9 je\u0159\u00e1by se pou\u017e\u00edvaj\u00ed k demont\u00e1\u017ei star\u00fdch most\u016f. Vysok\u00e1 rychlost a stabilita zaji\u0161\u0165uj\u00ed efektivn\u00ed a bezpe\u010dn\u00fd provoz.<\/li>\n\n\n\n<li><strong>Dod\u00e1vka materi\u00e1lu<\/strong>Port\u00e1lov\u00e9 je\u0159\u00e1by dod\u00e1vaj\u00ed materi\u00e1ly jako maltu a cement na pracovi\u0161t\u011b a vytv\u00e1\u0159ej\u00ed tak pevn\u00fd z\u00e1klad pro stavbu.<\/li>\n\n\n\n<li><strong>\u00dadr\u017eba a inspekce most\u016f<\/strong>Je\u0159\u00e1by pom\u00e1haj\u00ed s v\u00fdm\u011bnou po\u0161kozen\u00fdch d\u00edl\u016f a opravami mostu. Flexibilita a stabilita jsou kl\u00ed\u010dov\u00e9 pro zaji\u0161t\u011bn\u00ed kvality a bezpe\u010dnosti oprav.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p>Port\u00e1lov\u00e9 je\u0159\u00e1by nab\u00edzej\u00ed v\u00fdhody, jako je vysok\u00e1 nosnost, snadn\u00e1 instalace a demont\u00e1\u017e a bezpe\u010dn\u00fd a stabiln\u00ed provoz. Mnoho velk\u00fdch mostn\u00edch komponent se na n\u011b spol\u00e9h\u00e1 pro zved\u00e1n\u00ed. V\u011bdeck\u00e1 instalace port\u00e1lov\u00fdch je\u0159\u00e1b\u016f zalo\u017een\u00e1 na stavebn\u00edch po\u017eadavc\u00edch zlep\u0161uje v\u00fdkon za\u0159\u00edzen\u00ed, zvy\u0161uje efektivitu v\u00fdstavby a sni\u017euje n\u00e1klady.<\/p>","protected":false},"excerpt":{"rendered":"Se zlep\u0161en\u00edm kapacit dom\u00e1c\u00edch stavebn\u00edch podnik\u016f v oblasti v\u00fdstavby d\u00e1lni\u010dn\u00edch a \u017eelezni\u010dn\u00edch most\u016f vykazuj\u00ed \u010d\u00ednsk\u00e9 projekty v\u00fdstavby most\u016f trend v\u011bt\u0161\u00edch rozp\u011bt\u00ed a vy\u0161\u0161\u00ed stavebn\u00ed obt\u00ed\u017enosti, co\u017e klade vy\u0161\u0161\u00ed po\u017eadavky na technologii v\u00fdstavby most\u016f. B\u011bhem v\u00fdstavby most\u016f se v\u011bt\u0161ina st\u0159edn\u00edch a velk\u00fdch konstrukc\u00ed spol\u00e9h\u00e1 na port\u00e1lov\u00e9 je\u0159\u00e1by pro zdvihac\u00ed operace. Proto je rozumn\u00e9 [\u2026]","protected":false},"featured_media":13380,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[351],"posts_tag":[54,862],"class_list":["post-13379","posts","type-posts","status-publish","has-post-thumbnail","hentry","posts_category-blog","posts_tag-gantry-crane","posts_tag-gantry-cranes-bridge-construction"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/13379"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":6,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/13379\/revisions"}],"predecessor-version":[{"id":13391,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/13379\/revisions\/13391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media\/13380"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=13379"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=13379"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=13379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}