{"id":12026,"date":"2026-07-15T01:15:59","date_gmt":"2026-07-15T01:15:59","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=12026"},"modified":"2026-07-15T01:16:03","modified_gmt":"2026-07-15T01:16:03","slug":"overhead-crane-wind-load-calculation","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/cs\/posts\/overhead-crane-wind-load-calculation\/","title":{"rendered":"V\u00fdpo\u010det zat\u00ed\u017een\u00ed v\u011btrem mostov\u00e9ho je\u0159\u00e1bu: Kompletn\u00ed pr\u016fvodce rychlost\u00ed v\u011btru, tlakem v\u011btru a konstruk\u010dn\u00edmi limity"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Obsah<\/p><nav><ul><li><a href=\"#1-anemometer-and-wind-speed-alarm-requirements\">1. Po\u017eadavky na anemometr a alarm rychlosti v\u011btru<\/a><\/li><li><a href=\"#2-design-wind-speed-and-design-wind-pressure\">2. N\u00e1vrhov\u00e1 rychlost v\u011btru a n\u00e1vrhov\u00fd tlak v\u011btru<\/a><ul><li><a href=\"#the-core-derivation\">Z\u00e1kladn\u00ed odvozen\u00ed<\/a><\/li><\/ul><\/li><li><a href=\"#3-wind-force-scale-classification\">3. Klasifikace stupnice s\u00edly v\u011btru<\/a><ul><li><a href=\"#3-1-terminology\">3.1 Terminologie<\/a><\/li><li><a href=\"#3-2-wind-force-scale\">3.2 Stupnice s\u00edly v\u011btru<\/a><\/li><li><a href=\"#3-3-beaufort-wind-force-scale\">3.3 Beaufortova stupnice s\u00edly v\u011btru<\/a><\/li><\/ul><\/li><li><a href=\"#4-typhoon-classification\">4. Klasifikace tajfun\u016f<\/a><\/li><li><a href=\"#5-crane-operating-wind-speed-limits-by-type\">5. Limity rychlosti v\u011btru pro provoz je\u0159\u00e1bu podle typu<\/a><\/li><li><a href=\"#6-overhead-crane-wind-load-calculation-summary\">6. Souhrn v\u00fdpo\u010dtu zat\u00ed\u017een\u00ed v\u011btrem mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><li><a href=\"#7-overhead-crane-wind-load-calculation-key-engineering-takeaways\">7. V\u00fdpo\u010det zat\u00ed\u017een\u00ed v\u011btrem mostov\u00e9ho je\u0159\u00e1bu: Kl\u00ed\u010dov\u00e9 technick\u00e9 poznatky<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>V\u00fdpo\u010det zat\u00ed\u017een\u00ed v\u011btrem mostov\u00e9ho je\u0159\u00e1bu je jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch aspekt\u016f konstruk\u010dn\u00edho n\u00e1vrhu je\u0159\u00e1bu a bezpe\u010dn\u00e9ho provozu venku. A\u0165 u\u017e se jedn\u00e1 o navrhov\u00e1n\u00ed <a href=\"https:\/\/www.kscranegroup.com\/cs\/overhead-cranes\/\">mostov\u00e9 je\u0159\u00e1by<\/a>, <a href=\"https:\/\/www.kscranegroup.com\/cs\/gantry-crane\/\">port\u00e1lov\u00e9 je\u0159\u00e1by<\/a>U je\u0159\u00e1b\u016f RTG, RMG nebo kontejnerov\u00fdch je\u0159\u00e1b\u016f pro p\u0159epravu lod\u00ed na b\u0159eh mus\u00ed in\u017een\u00fd\u0159i p\u0159esn\u011b ur\u010dit n\u00e1vrhovou rychlost v\u011btru, tlak v\u011btru a provozn\u00ed limity v\u011btru, aby zajistili konstruk\u010dn\u00ed pevnost, stabilitu a odolnost proti p\u0159evr\u00e1cen\u00ed. Nespr\u00e1vn\u00e9 v\u00fdpo\u010dty zat\u00ed\u017een\u00ed v\u011btrem mohou v\u00e9st k nadm\u011brn\u00e9mu konstruk\u010dn\u00edmu nam\u00e1h\u00e1n\u00ed, vykolejen\u00ed je\u0159\u00e1bu, sesuvu, p\u0159evr\u00e1cen\u00ed nebo v\u00e1\u017en\u00e9mu po\u0161kozen\u00ed za\u0159\u00edzen\u00ed p\u0159i siln\u00e9m v\u011btru nebo tajfunu. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"255\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/Overhead-Crane-Wind-Load-Calculation-Complete-Guide-to-Wind-Speed-Wind-Pressure-and-Design-Limits.jpg\" alt=\"\" class=\"wp-image-12037\"\/><\/figure>\n\n\n\n<p>Tato p\u0159\u00edru\u010dka vysv\u011btluje technick\u00e9 principy v\u00fdpo\u010dtu zat\u00ed\u017een\u00ed v\u011btrem je\u0159\u00e1bu na z\u00e1klad\u011b norem GB\/T 3811-2008, GB\/T 6067.1-2010, GB\/T 28591-2012 a GB\/T 43237-2023 a zahrnuje vzorce pro v\u00fdpo\u010det tlaku v\u011btru, p\u0159evody rychlosti v\u011btru, klasifikaci s\u00edly v\u011btru dle Beauforta, kategorie tajfun\u016f a provozn\u00ed limity rychlosti v\u011btru pro r\u016fzn\u00e9 typy je\u0159\u00e1b\u016f.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1701\" height=\"925\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Table-1-Wind-speed-design-parameters-for-a-project-crane-specification.png\" alt=\"\" class=\"wp-image-12019\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Table-1-Wind-speed-design-parameters-for-a-project-crane-specification.png 1701w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Table-1-Wind-speed-design-parameters-for-a-project-crane-specification-1536x835.png 1536w\" sizes=\"(max-width: 1701px) 100vw, 1701px\" \/><figcaption class=\"wp-element-caption\"><em>Tabulka 1 N\u00e1vrhov\u00e9 parametry rychlosti v\u011btru pro specifikaci projektov\u00e9ho je\u0159\u00e1bu<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-anemometer-and-wind-speed-alarm-requirements\">1. Po\u017eadavky na anemometr a alarm rychlosti v\u011btru<\/h2>\n\n\n\n<ol>\n<li>U venkovn\u00edch v\u00fd\u0161kov\u00fdch je\u0159\u00e1b\u016f mus\u00ed b\u00fdt anemometr instalov\u00e1n na vyv\u00fd\u0161en\u00e9m m\u00edst\u011b je\u0159\u00e1bu sm\u011brem k v\u011btru. (GB\/T 6067.1, \u010dl\u00e1nek 9.6.1.1)<\/li>\n\n\n\n<li>Venkovn\u00ed v\u00fd\u0161kov\u00e9 je\u0159\u00e1by mus\u00ed b\u00fdt vybaveny za\u0159\u00edzen\u00edm pro signalizaci rychlosti v\u011btru, kter\u00e9 zobrazuje okam\u017eitou rychlost v\u011btru a mus\u00ed vydat v\u00fdstra\u017en\u00fd sign\u00e1l, kdy\u017e s\u00edla v\u011btru p\u0159ekro\u010d\u00ed prahovou hodnotu provozn\u00ed n\u00e1vrhov\u00e9 rychlosti v\u011btru. (\u010cl\u00e1nek 9.6.1.2)<\/li>\n\n\n\n<li>Provoz je\u0159\u00e1bu je zak\u00e1z\u00e1n, pokud rychlost v\u011btru p\u0159ekro\u010d\u00ed maxim\u00e1ln\u00ed provozn\u00ed rychlost v\u011btru stanovenou v\u00fdrobcem. (\u010cl\u00e1nek 17.1)<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-design-wind-speed-and-design-wind-pressure\">2. N\u00e1vrhov\u00e1 rychlost v\u011btru a n\u00e1vrhov\u00fd tlak v\u011btru<\/h2>\n\n\n\n<p>Provozn\u00ed n\u00e1vrhov\u00fd tlak v\u011btru je rozd\u011blen do dvou \u00farovn\u00ed:<\/p>\n\n\n\n<ul>\n<li>p\u2160 \u2014 n\u00e1vrhov\u00fd tlak v\u011btru za norm\u00e1ln\u00edch provozn\u00edch podm\u00ednek, pou\u017e\u00edvan\u00fd pro v\u00fdb\u011br v\u00fdkonu motoru (v\u00fdpo\u010det odporu a tepeln\u00e9 ov\u011b\u0159en\u00ed)<\/li>\n\n\n\n<li>p\u2161 \u2014 maxim\u00e1ln\u00ed provozn\u00ed n\u00e1vrhov\u00fd tlak v\u011btru, pou\u017e\u00edvan\u00fd pro kontroly pevnosti, tuhosti a stability konstruk\u010dn\u00edch prvk\u016f, ov\u011b\u0159en\u00ed p\u0159et\u00ed\u017eiteln\u00e9 kapacity pohonu a provozn\u00ed stability proti p\u0159evr\u00e1cen\u00ed a protiskluzov\u00e9 ochrany<\/li>\n<\/ul>\n\n\n\n<p>p\u2160 = 0,6 \u00d7 p\u2161<\/p>\n\n\n\n<p>N\u00e1vrhov\u00fd tlak v\u011btru pIII mimo provoz je maxim\u00e1ln\u00ed tlak v\u011btru, kter\u00e9mu mus\u00ed je\u0159\u00e1b odolat, kdy\u017e nen\u00ed v provozu. Pou\u017e\u00edv\u00e1 se pro kontroly pevnosti mimo provoz, ov\u011b\u0159ov\u00e1n\u00ed stability proti p\u0159evr\u00e1cen\u00ed a pro n\u00e1vrh kolejnicov\u00fdch sv\u011brek, kotevn\u00edch za\u0159\u00edzen\u00ed a bou\u0159kov\u00fdch pra\u017ec\u016f.<\/p>\n\n\n\n<p>Z\u00e1kladn\u00ed vztah mezi tlakem v\u011btru a rychlost\u00ed v\u011btru (plat\u00ed pro provozn\u00ed i mimoprovozn\u00ed podm\u00ednky):<\/p>\n\n\n\n<p>p = 0,625 \u00d7 Vs\u00b2<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Symbol<\/th><th>V\u00fdznam<\/th><th>Jednotka<\/th><\/tr><\/thead><tbody><tr><td>str.<\/td><td>N\u00e1vrhov\u00fd tlak v\u011btru<\/td><td>N\/m\u00b2<\/td><\/tr><tr><td>Vs.<\/td><td>N\u00e1vrhov\u00e1 rychlost v\u011btru (3sekundov\u00fd poryv)<\/td><td>pan\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1846\" height=\"852\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Table-2-In-service-design-wind-pressure-and-design-wind-speed.png\" alt=\"\" class=\"wp-image-12020\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Table-2-In-service-design-wind-pressure-and-design-wind-speed.png 1846w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Table-2-In-service-design-wind-pressure-and-design-wind-speed-1536x709.png 1536w\" sizes=\"(max-width: 1846px) 100vw, 1846px\" \/><figcaption class=\"wp-element-caption\"><em>Tabulka 2 N\u00e1vrhov\u00fd tlak v\u011btru a n\u00e1vrhov\u00e1 rychlost v\u011btru v provozu (Zdroj: GB\/T 3811-2008 Tabulka 15)<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>Kl\u00ed\u010dov\u00fd konverzn\u00ed vztah<\/strong>N\u00e1vrhov\u00e1 rychlost v\u011btru Vs je 3sekundov\u00fd poryv v\u011btru m\u011b\u0159en\u00fd ve v\u00fd\u0161ce 10 m v otev\u0159en\u00e9m ter\u00e9nu. Pro provozn\u00ed podm\u00ednky je Vs = 10minutov\u00e1 pr\u016fm\u011brn\u00e1 rychlost v\u011btru \u00d7 1,5 (viz tabulka 3). Pro provozn\u00ed podm\u00ednky je Vs = 10minutov\u00e1 pr\u016fm\u011brn\u00e1 rychlost v\u011btru \u00d7 1,4 (viz tabulka 4). 10minutov\u00e1 pr\u016fm\u011brn\u00e1 rychlost v\u011btru je referen\u010dn\u00ed meteorologickou stupnic\u00ed s\u00edly v\u011btru.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1346\" height=\"1168\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Table-3-Relationship-between-design-wind-pressure-p-3-s-gust-speed-Vs-10-min-mean-wind-speed-Vp-and-wind-force-scale.png\" alt=\"\" class=\"wp-image-12021\"\/><figcaption class=\"wp-element-caption\"><em>Tabulka 3 Vztah mezi n\u00e1vrhov\u00fdm tlakem v\u011btru p, rychlost\u00ed poryv\u016f v\u011btru za 3 sekundy Vs, pr\u016fm\u011brnou rychlost\u00ed v\u011btru za 10 minut Vp a stupnic\u00ed s\u00edly v\u011btru (Zdroj: GB\/T 3811-2008 Tabulka E.1)<\/em><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1810\" height=\"869\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/4Table-4-Out-of-service-design-wind-pressure-and-design-wind-speed-.png\" alt=\"\" class=\"wp-image-12022\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/4Table-4-Out-of-service-design-wind-pressure-and-design-wind-speed-.png 1810w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/4Table-4-Out-of-service-design-wind-pressure-and-design-wind-speed--1536x737.png 1536w\" sizes=\"(max-width: 1810px) 100vw, 1810px\" \/><figcaption class=\"wp-element-caption\"><em>Tabulka 4 N\u00e1vrhov\u00fd tlak v\u011btru a n\u00e1vrhov\u00e1 rychlost v\u011btru mimo provoz (Zdroj: GB\/T 3811-2008 Tabulka 18)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"the-core-derivation\">Z\u00e1kladn\u00ed odvozen\u00ed<\/h3>\n\n\n\n<p>Z tabulek 2 a 3 pro je\u0159\u00e1by pracuj\u00edc\u00ed za norm\u00e1ln\u00edch pov\u011btrnostn\u00edch podm\u00ednek:<\/p>\n\n\n\n<ul>\n<li>Maxim\u00e1ln\u00ed n\u00e1vrhov\u00fd tlak v\u011btru: 250 N\/m\u00b2<\/li>\n\n\n\n<li>Maxim\u00e1ln\u00ed v\u00fdpo\u010dtov\u00e1 rychlost v\u011btru (n\u00e1razy): 20 m\/s<\/li>\n\n\n\n<li>Odpov\u00eddaj\u00edc\u00ed s\u00edla v\u011btru: S\u00edla 6<\/li>\n<\/ul>\n\n\n\n<p>Proto se mus\u00ed alarm rychlosti v\u011btru spustit p\u0159i s\u00edle 6 \u2013 to je limitn\u00ed rychlost poryv\u016f v\u011btru, pro kterou je konstrukce a stabilita je\u0159\u00e1bu navr\u017eena v b\u011b\u017en\u00e9m provozu.<\/p>\n\n\n\n<p>Z tabulky 4 pro vnitrozemsk\u00e9 je\u0159\u00e1by v mimoprovozn\u00edm stavu:<\/p>\n\n\n\n<ul>\n<li>Minim\u00e1ln\u00ed n\u00e1vrhov\u00fd tlak v\u011btru mimo provoz: 500 N\/m\u00b2<\/li>\n\n\n\n<li>Minim\u00e1ln\u00ed projektovan\u00e1 rychlost v\u011btru (n\u00e1raz) mimo provoz: 28,3 m\/s<\/li>\n\n\n\n<li>Odpov\u00eddaj\u00edc\u00ed s\u00edla v\u011btru: S\u00edla 8<\/li>\n<\/ul>\n\n\n\n<p>Proto mus\u00ed b\u00fdt je\u0159\u00e1b ukotven p\u0159i s\u00edle 8 \u2013 to je minim\u00e1ln\u00ed konstruk\u010dn\u00ed podm\u00ednka pro vnitrozemsk\u00e9 je\u0159\u00e1by, kter\u00e9 mus\u00ed b\u00fdt mimo provoz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-wind-force-scale-classification\">3. Klasifikace stupnice s\u00edly v\u011btru<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-1-terminology\">3.1 Terminologie<\/h3>\n\n\n\n<ul>\n<li><strong>Rychlost v\u011btru<\/strong>: horizont\u00e1ln\u00ed vzd\u00e1lenost ura\u017een\u00e1 vzduchem za jednotku \u010dasu. B\u011b\u017en\u00e9 jednotky: m\/s, km\/h nebo uzly. (GB\/T 28591-2012)<\/li>\n\n\n\n<li><strong>S\u00edla v\u011btru<\/strong>: intenzita v\u011btru, b\u011b\u017en\u011b vyj\u00e1d\u0159en\u00e1 v \u010d\u00edslech stupnice s\u00edly v\u011btru. Mezin\u00e1rodn\u011b se pou\u017e\u00edv\u00e1 Beaufortova stupnice. (GB\/T 28591-2012)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-2-wind-force-scale\">3.2 Stupnice s\u00edly v\u011btru<\/h3>\n\n\n\n<p>Dle GB\/T 28591-2012 <em>Stupnice s\u00edly v\u011btru<\/em>S\u00edla v\u011btru je rozd\u011blena do 18 \u00farovn\u00ed: 0 a\u017e 17.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1660\" height=\"947\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/5Table-5-Wind-force-scale-classification.png\" alt=\"\" class=\"wp-image-12023\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/5Table-5-Wind-force-scale-classification.png 1660w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/5Table-5-Wind-force-scale-classification-1536x876.png 1536w\" sizes=\"(max-width: 1660px) 100vw, 1660px\" \/><figcaption class=\"wp-element-caption\"><em>Tabulka 5 Klasifikace stupnice s\u00edly v\u011btru (Zdroj: GB\/T 28591-2012)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-3-beaufort-wind-force-scale\">3.3 Beaufortova stupnice s\u00edly v\u011btru<\/h3>\n\n\n\n<p>Beaufortovu stupnici vymyslel Francis Beaufort (1774\u20131857) v roce 1805 a roz\u0161\u00ed\u0159il ji v roce 1946. Koreluje \u00farovn\u011b s\u00edly v\u011btru s pozorovateln\u00fdmi \u00fatvary zemsk\u00e9ho povrchu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1122\" height=\"1402\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/6able-6-Beaufort-wind-force-scale-with-land-features.png\" alt=\"\" class=\"wp-image-12024\"\/><figcaption class=\"wp-element-caption\"><em>Tabulka 6 Beaufortova stupnice s\u00edly v\u011btru s charakteristikami ter\u00e9nu (Zdroj: GB\/T 28591-2012)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-typhoon-classification\">4. Klasifikace tajfun\u016f<\/h2>\n\n\n\n<p>Tajfuny se d\u011bl\u00ed do p\u011bti \u00farovn\u00ed intenzity: tropick\u00e1 bou\u0159e, siln\u00e1 tropick\u00e1 bou\u0159e, tajfun, siln\u00fd tajfun a supertajfun. Maxim\u00e1ln\u00ed pr\u016fm\u011brn\u00e9 rychlosti v\u011btru v bl\u00edzkosti centra a odpov\u00eddaj\u00edc\u00ed charakteristiky zemsk\u00e9ho povrchu jsou podrobn\u011b uvedeny v tabulce 7.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1889\" height=\"833\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Table-7-Typhoon-categories-maximum-mean-wind-speed-near-centre-and-land-features-.png\" alt=\"\" class=\"wp-image-12030\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Table-7-Typhoon-categories-maximum-mean-wind-speed-near-centre-and-land-features-.png 1889w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Table-7-Typhoon-categories-maximum-mean-wind-speed-near-centre-and-land-features--1536x677.png 1536w\" sizes=\"(max-width: 1889px) 100vw, 1889px\" \/><figcaption class=\"wp-element-caption\"><em>Tabulka 7 Kategorie tajfun\u016f \u2013 maxim\u00e1ln\u00ed pr\u016fm\u011brn\u00e1 rychlost v\u011btru v bl\u00edzkosti centra a u pevninsk\u00fdch prvk\u016f (Zdroj: GB\/T 43237-2023)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-crane-operating-wind-speed-limits-by-type\">5. Limity rychlosti v\u011btru pro provoz je\u0159\u00e1bu podle typu<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>#<\/th><th>Typ je\u0159\u00e1bu<\/th><th>Norma<\/th><th>Limit v provozu<\/th><th>Limit mimo provoz<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Port\u00e1lov\u00fd je\u0159\u00e1b pro v\u0161eobecn\u00e9 pou\u017eit\u00ed<\/td><td>GB\/T 14406-2011<\/td><td>Vnitrozem\u00ed \u2264150 Pa (F5), pob\u0159e\u017e\u00ed \u2264250 Pa (F6)<\/td><td>\u2014<\/td><\/tr><tr><td>2<\/td><td>Elektrick\u00fd port\u00e1lov\u00fd je\u0159\u00e1b<\/td><td>JB\/T 5663-2008<\/td><td>Vnitrozem\u00ed \u2264150 Pa (F5), pob\u0159e\u017e\u00ed \u2264250 Pa (F6)<\/td><td>\u2264800 Pa (F10)<\/td><\/tr><tr><td>3<\/td><td>Kontejnerov\u00fd je\u0159\u00e1b RTG<\/td><td>GB\/T 14783-2009<\/td><td>\u226420 m\/s (F6)<\/td><td>\u226444 m\/s (F11)<\/td><\/tr><tr><td>4<\/td><td>Kontejnerov\u00fd je\u0159\u00e1b RMG<\/td><td>GB\/T 19683-2005<\/td><td>\u226420 m\/s (F6)<\/td><td>\u2014<\/td><\/tr><tr><td>5<\/td><td>Kontejnerov\u00fd je\u0159\u00e1b pro p\u0159epravu lod\u00ed na b\u0159eh<\/td><td>GB\/T 15361-2009<\/td><td>\u226420 m\/s (F6)<\/td><td>\u226450 m\/s (F12)<\/td><\/tr><tr><td>6<\/td><td>Port\u00e1lov\u00fd je\u0159\u00e1b pro stavbu lod\u00ed<\/td><td>GB\/T 27997-2011<\/td><td>\u2264250 Pa (F6)<\/td><td>\u22641 000 Pa (F11); kotven\u00ed u pob\u0159e\u017e\u00ed \u226555 m\/s (F13)<\/td><\/tr><tr><td>7<\/td><td>Mostn\u00ed vykl\u00e1da\u010d lod\u00ed s drap\u00e1kem<\/td><td>GB\/T 26475-2021<\/td><td>\u226420 m\/s (F6)<\/td><td>\u226449 m\/s (F12); kotven\u00ed u pob\u0159e\u017e\u00ed \u226555 m\/s (F13)<\/td><\/tr><tr><td>8<\/td><td>Port\u00e1lov\u00fd je\u0159\u00e1b<\/td><td>GB\/T 29560-2013<\/td><td>Dle GB\/T 3811 Tabulka 15<\/td><td>Dle GB\/T 3811 Tabulka 18<\/td><\/tr><tr><td>9<\/td><td>Stroj na mont\u00e1\u017e mostn\u00edch nosn\u00edk\u016f<\/td><td>GB\/T 26470-2011<\/td><td>Pohyb \u2265150 Pa (F5), vzty\u010den\u00ed \u2265250 Pa (F6)<\/td><td>\u22651 200 Pa (F11)<\/td><\/tr><tr><td>10<\/td><td>V\u011b\u017eov\u00fd je\u0159\u00e1b<\/td><td>GB\/T 5031-2019<\/td><td>\u226420 m\/s (F6); mont\u00e1\u017e \u226412 m\/s (F5)<\/td><td>Viz tabulka 8<\/td><\/tr><tr><td>11<\/td><td>Autoje\u0159\u00e1b<\/td><td>JB\/T 9738-2015<\/td><td>\u226414,1 m\/s (F5); zasunut\u00ed ramene p\u0159i \u226515,5 m\/s; zasunut\u00ed v\u00fdlo\u017en\u00edku p\u0159i \u226520 m\/s (F6)<\/td><td>\u2014<\/td><\/tr><tr><td>12<\/td><td>Port\u00e1lov\u00fd je\u0159\u00e1b pro vodn\u00ed elektr\u00e1rnu<\/td><td>JB\/T 6128-2008<\/td><td>Viz tabulka 9<\/td><td>Viz tabulka 9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1800\" height=\"873\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Table-8-Hydropower-station-gantry-crane-out-of-service-design-wind-pressure-and-wind-speed.png\" alt=\"\" class=\"wp-image-12025\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Table-8-Hydropower-station-gantry-crane-out-of-service-design-wind-pressure-and-wind-speed.png 1800w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Table-8-Hydropower-station-gantry-crane-out-of-service-design-wind-pressure-and-wind-speed-1536x745.png 1536w\" sizes=\"(max-width: 1800px) 100vw, 1800px\" \/><figcaption class=\"wp-element-caption\"><em>Tabulka 8 N\u00e1vrh tlaku v\u011btru a rychlosti v\u011btru pro port\u00e1lov\u00fd je\u0159\u00e1b vodn\u00ed elektr\u00e1rny mimo provoz (Zdroj: JB\/T 6128-2008)<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>Pozn\u00e1mka<\/strong>Rychlosti v\u011btru uveden\u00e9 v bodech 1\u201312 v\u00fd\u0161e jsou v\u0161echny n\u00e1vrhov\u00e9 rychlosti v\u011btru \u2013 tj. rychlosti poryv\u016f v\u011btru za 3 sekundy, kter\u00e9 jsou 1,5\u00d7 nebo 1,4\u00d7 referen\u010dn\u00edch hodnot klasifikace meteorologick\u00e9 s\u00edly v\u011btru. U typ\u016f je\u0159\u00e1b\u016f, kter\u00e9 nejsou uvedeny, se \u0159i\u010fte p\u0159\u00edslu\u0161nou produktovou normou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-overhead-crane-wind-load-calculation-summary\">6. Souhrn v\u00fdpo\u010dtu zat\u00ed\u017een\u00ed v\u011btrem mostov\u00e9ho je\u0159\u00e1bu<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>S\u00edla v\u011btru<\/th><th>Prahov\u00e1 hodnota (10minutov\u00fd pr\u016fm\u011br)<\/th><th>3 s N\u00e1raz v\u011btru Vs.<\/th><th>N\u00e1vrhov\u00fd tlak v\u011btru<\/th><th>Po\u017eadovan\u00e1 akce<\/th><\/tr><\/thead><tbody><tr><td>S\u00edla 6<\/td><td>10,8\u201313,8 m\/s<\/td><td>20 m\/s<\/td><td>250 N\/m\u00b2<\/td><td>Alarm \u2013 je\u0159\u00e1b je v maxim\u00e1ln\u00edm provozn\u00edm stavu; upozorn\u011bte obsluhu, aby sledovala podm\u00ednky a p\u0159ipravila se<\/td><\/tr><tr><td>S\u00edla 7<\/td><td>13,9\u201317,1 m\/s<\/td><td>~22\u201325 m\/s<\/td><td>\u2014<\/td><td>Vypnut\u00ed a zablokov\u00e1n\u00ed \u2013 v\u00edtr p\u0159ekro\u010dil konstruk\u010dn\u00ed provozn\u00ed limity p\u0159ev\u00e1\u017en\u00e9 v\u011bt\u0161iny je\u0159\u00e1b\u016f; zastavte ve\u0161ker\u00fd provoz, zabra\u0148te ru\u010dn\u00edmu ovl\u00e1d\u00e1n\u00ed<\/td><\/tr><tr><td>S\u00edla 8<\/td><td>17,2\u201320,7 m\/s<\/td><td>28,3 m\/s<\/td><td>\u2265500 N\/m\u00b2<\/td><td>Kotva \u2013 v\u00edtr o s\u00edle tropick\u00e9 bou\u0159e; zajist\u011bte v\u0161echny kolejnicov\u00e9 svorky, kotevn\u00ed za\u0159\u00edzen\u00ed a \u00fachyty pro bou\u0159kov\u00e9 \u00fachyty<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Zvl\u00e1\u0161tn\u00ed p\u0159\u00edpady, jako jsou v\u011btru odoln\u00e9 p\u0159\u00edstavn\u00ed je\u0159\u00e1by, vojensk\u00e9 je\u0159\u00e1by a z\u00e1chrann\u00e9 je\u0159\u00e1by, mohou m\u00edt r\u016fzn\u00e9 prahov\u00e9 hodnoty. Pro v\u0161echny standardn\u00ed mostov\u00e9 je\u0159\u00e1by a port\u00e1lov\u00e9 je\u0159\u00e1by plat\u00ed pravidlo S\u00edla 6\/7\/8.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-overhead-crane-wind-load-calculation-key-engineering-takeaways\">7. V\u00fdpo\u010det zat\u00ed\u017een\u00ed v\u011btrem mostov\u00e9ho je\u0159\u00e1bu: Kl\u00ed\u010dov\u00e9 technick\u00e9 poznatky<\/h2>\n\n\n\n<p>P\u0159esn\u00fd v\u00fdpo\u010det zat\u00ed\u017een\u00ed v\u011btrem mostov\u00e9ho je\u0159\u00e1bu je z\u00e1kladem bezpe\u010dn\u00e9ho n\u00e1vrhu, provozu a \u00fadr\u017eby venkovn\u00edch zdvihac\u00edch za\u0159\u00edzen\u00ed. Spr\u00e1vn\u00fdm ur\u010den\u00edm n\u00e1vrhov\u00e9 rychlosti v\u011btru, tlaku v\u011btru, kombinac\u00ed zat\u00ed\u017een\u00ed a provozn\u00edch limit\u016f v\u011btru mohou in\u017een\u00fd\u0159i optimalizovat konstruk\u010dn\u00ed n\u00e1vrh, zlep\u0161it stabilitu proti p\u0159evr\u00e1cen\u00ed a vybrat vhodn\u00e1 za\u0159\u00edzen\u00ed na ochranu proti v\u011btru, jako jsou anemometry, kolejnicov\u00e9 svorky, kotevn\u00ed syst\u00e9my a \u00fachyty proti bou\u0159i. Pochopen\u00ed vztahu mezi meteorologick\u00fdmi \u00fadaji o v\u011btru, n\u00e1vrhov\u00fdm tlakem v\u011btru a provozn\u00edmi podm\u00ednkami je\u0159\u00e1bu je stejn\u011b d\u016fle\u017eit\u00e9 pro prevenci poruch souvisej\u00edc\u00edch s v\u011btrem a zaji\u0161t\u011bn\u00ed bezpe\u010dn\u00fdch zdvihac\u00edch operac\u00ed.<\/p>\n\n\n\n<p>Dodr\u017eov\u00e1n\u00ed v\u00fdpo\u010dtov\u00fdch metod a konstruk\u010dn\u00edch po\u017eadavk\u016f specifikovan\u00fdch v norm\u011b GB\/T 3811, spolu s bezpe\u010dnostn\u00edmi ustanoven\u00edmi normy GB\/T 6067.1 a p\u0159\u00edslu\u0161n\u00fdmi normami pro je\u0159\u00e1bov\u00e9 v\u00fdrobky, umo\u017e\u0148uje v\u00fdrobc\u016fm, konstrukt\u00e9r\u016fm a \u00fadr\u017eb\u00e1\u0159sk\u00fdm t\u00fdm\u016fm zav\u00e9st spolehliv\u00e9 postupy pro posouzen\u00ed zat\u00ed\u017een\u00ed v\u011btrem pro mostov\u00e9 je\u0159\u00e1by, port\u00e1lov\u00e9 je\u0159\u00e1by, RTG, RMG, lodn\u00ed je\u0159\u00e1by a dal\u0161\u00ed venkovn\u00ed zdvihac\u00ed za\u0159\u00edzen\u00ed. Spr\u00e1vn\u00fd v\u00fdpo\u010det zat\u00ed\u017een\u00ed v\u011btrem nejen zlep\u0161uje provozn\u00ed bezpe\u010dnost, ale tak\u00e9 prodlu\u017euje \u017eivotnost za\u0159\u00edzen\u00ed a zvy\u0161uje dlouhodobou spolehlivost v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch prost\u0159ed\u00ed.<\/p>\n\n\n\n<p><strong>Hlavn\u00ed referen\u010dn\u00ed standardy<strong><strong><strong><strong>(<a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/std\/std_list?p.p1=0&amp;p.p90=circulation_date&amp;p.p91=desc&amp;p.p2=%E8%B5%B7%E9%87%8D%E6%9C%BA\" target=\"_blank\" rel=\"noopener\">Dotaz na \u010d\u00ednsk\u00e9 normy pro je\u0159\u00e1by<\/a>)<\/strong><\/strong><\/strong><\/strong>:<\/strong><\/p>\n\n\n\n<ul>\n<li>GB\/T 6067.1-2010 Bezpe\u010dnostn\u00ed pravidla pro zdvihac\u00ed za\u0159\u00edzen\u00ed \u2013 \u010c\u00e1st 1: V\u0161eobecn\u011b<\/li>\n\n\n\n<li>GB\/T 3811-2008 Konstruk\u010dn\u00ed pravidla pro je\u0159\u00e1by<\/li>\n\n\n\n<li>GB\/T 43237-2023 Pokyny pro prevenci ve\u0159ejn\u00fdch meteorologick\u00fdch katastrof \u2013 Tajfun<\/li>\n\n\n\n<li>GB\/T 28591-2012 V\u011btrn\u00e1 stupnice<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"&#8220;Alarm at force 6, shutdown at force 7, anchor at force 8&#8221; \u2014 this is a well-known rule of thumb among overhead crane and gantry crane operators. But where exactly do these thresholds come from, and wh","protected":false},"featured_media":12037,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[874,868,793,118,869,121,873,872,870,871],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/12026"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":5,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/12026\/revisions"}],"predecessor-version":[{"id":12055,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/12026\/revisions\/12055"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/media\/12037"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/media?parent=12026"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/posts_category?post=12026"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=12026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}