{"id":7449,"date":"2025-09-08T14:43:44","date_gmt":"2025-09-08T06:43:44","guid":{"rendered":"https:\/\/progolas.com\/?p=7449"},"modified":"2025-09-19T11:29:08","modified_gmt":"2025-09-19T03:29:08","slug":"normy-odolnosti-proti-vetru","status":"publish","type":"post","link":"https:\/\/progolas.com\/cs\/normy-odolnosti-proti-vetru\/","title":{"rendered":"Pro\u010d je odolnost v\u016f\u010di v\u011btru jedn\u00edm z d\u016fle\u017eit\u00fdch krit\u00e9ri\u00ed pro testov\u00e1n\u00ed trvanlivosti pergoly?"},"content":{"rendered":"

P\u0159edstavte si, \u017ee kdy\u017e se v\u00e1m zahradou pro\u017eene n\u00e1hl\u00fd poryv v\u011btru, stoj\u00ed va\u0161e pergola pevn\u011b? Nebo se zkrout\u00ed, prohne nebo se dokonce z\u0159\u00edt\u00ed?<\/span><\/h2>\n
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Co to zp\u016fsobuje? Odpov\u011bd\u00ed je odpor v\u011btru.<\/p>\n

Pro majitele dom\u016f nemus\u00ed b\u00fdt odolnost v\u016f\u010di v\u011btru prvn\u00edm faktorem, kter\u00fd p\u0159i v\u00fdb\u011bru pergoly zva\u017euj\u00ed, ale je to jedno z d\u016fle\u017eit\u00fdch krit\u00e9ri\u00ed pro testov\u00e1n\u00ed odolnosti hlin\u00edkov\u00fdch pergol ve venkovn\u00edm prost\u0159ed\u00ed. Pokud pergola nen\u00ed dimenzov\u00e1na na odolnost v\u016f\u010di v\u011btru, m\u016f\u017ee cokoli od bou\u0159\u00ed na floridsk\u00e9m pob\u0159e\u017e\u00ed a\u017e po poryvy v\u011btru v hor\u00e1ch Colorada prom\u011bnit kr\u00e1sn\u00fd venkovn\u00ed prostor v n\u00e1kladnou katastrofu.<\/p>\n<\/div>\n

Co je odpor v\u011btru?<\/h2>\n

\"hodnocen\u00ed<\/p>\n

Odolnost proti v\u011btru se vztahuje k schopnosti stavebn\u00edch prvk\u016f nebo konstrukc\u00ed (jako jsou mark\u00fdzy, dve\u0159e a okna, obvodov\u00e9 pl\u00e1\u0161t\u011b atd.) odol\u00e1vat tlaku v\u011btru, udr\u017eovat struktur\u00e1ln\u00ed stabilitu a zabr\u00e1nit po\u0161kozen\u00ed nebo funk\u010dn\u00edmu selh\u00e1n\u00ed p\u0159i vystaven\u00ed v\u011btru.<\/p>\n

Pro\u010d je odolnost proti v\u011btru tak d\u016fle\u017eit\u00e1?<\/h2>\n

Odolnost proti v\u011btru je d\u016fle\u017eit\u00e1, proto\u017ee p\u0159\u00edmo souvis\u00ed s bezpe\u010dnost\u00ed, trvanlivost\u00ed, \u017eivotnost\u00ed a osobn\u00ed bezpe\u010dnost\u00ed stavebn\u00ed konstrukce. Zejm\u00e9na u sou\u010d\u00e1st\u00ed vystaven\u00fdch venkovn\u00edmu prost\u0159ed\u00ed, jako jsou mark\u00fdzy, dve\u0159n\u00ed a okenn\u00ed syst\u00e9my, pokud odolnost proti v\u011btru neodpov\u00edd\u00e1 norm\u011b, zp\u016fsob\u00ed to nejen \u0161kody na majetku, ale m\u016f\u017ee to tak\u00e9 zp\u016fsobit zran\u011bn\u00ed osob.<\/p>\n

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\"Mark\u00fdzy<\/p>\n

P\u0159\u00edpadov\u00e1 studie: Mark\u00fdzy sra\u017een\u00e9 v\u011btrem v Las Vegas<\/h3>\n

Nap\u0159\u00edklad: B\u011bhem ned\u00e1vn\u00e9 bou\u0159e v Las Vegas si majitel domu nainstaloval kovovou mark\u00fdzu, kter\u00e1 nebyla dostate\u010dn\u011b pevn\u00e1 proti v\u011btru, co\u017e zp\u016fsobilo, \u017ee se mark\u00fdza u dve\u0159\u00ed \u00fapln\u011b z\u0159\u00edtila. Na\u0161t\u011bst\u00ed nedo\u0161lo k \u017e\u00e1dn\u00fdm ob\u011btem. I p\u0159esto majitel domu nakonec zaplatil tis\u00edce dolar\u016f za \u00fapln\u00e9 vy\u010di\u0161t\u011bn\u00ed dvora.<\/a><\/p>\n<\/div>\n

Je z\u0159ejm\u00e9, \u017ee odolnost v\u016f\u010di v\u011btru je nepostradatelnou sou\u010d\u00e1st\u00ed pergolov\u00e9ho syst\u00e9mu. Proto je p\u0159i n\u00e1kupu pergoly t\u0159eba nejprve zv\u00e1\u017eit, jakou \u00farove\u0148 odolnosti v\u016f\u010di v\u011btru hlin\u00edkov\u00e1 pergola pot\u0159ebuje.<\/p>\n

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Tipy:<\/strong> Po\u017eadovanou \u00farove\u0148 odolnosti v\u016f\u010di v\u011btru si m\u016f\u017eete vyhledat v n\u00ed\u017ee uveden\u00e9 tabulce.<\/p>\n<\/div>\n

\u00darovn\u011b odporu v\u011btru a odpov\u00eddaj\u00edc\u00ed rychlosti v\u011btru:<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u00darove\u0148<\/th>\nTlak v\u011btru (Pa)<\/th>\nP\u0159ibli\u017en\u00e1 rychlost v\u011btru (m\/s)<\/th>\nEkvivalentn\u00ed Beaufortova \u00farove\u0148<\/th>\nPopis v\u011btru<\/th>\n<\/tr>\n<\/thead>\n
\u00darove\u0148 1<\/td>\n\u2264 500 Pa<\/td>\n\u2264 18 m\/s (~65 km\/h)<\/td>\n\u00darove\u0148 8<\/td>\nSiln\u00fd v\u00e1nek \u2013 v\u011btvi\u010dky l\u00e1mou stromy<\/td>\n<\/tr>\n
\u00darove\u0148 2<\/td>\n\u2264 700 Pa<\/td>\n\u2264 22 m\/s (~79 km\/h)<\/td>\n\u00darove\u0148 9<\/td>\n\u010cerstv\u00fd v\u00edtr \u2013 m\u00edrn\u00fd struktur\u00e1ln\u00ed pohyb<\/td>\n<\/tr>\n
\u00darove\u0148 3<\/td>\n\u2264 1000 Pa<\/td>\n\u2264 30 m\/s (~108 km\/h)<\/td>\n\u00darove\u0148 10<\/td>\nCel\u00e9 stromy se kym\u00e1cej\u00ed, t\u011b\u017eko se s nimi chod\u00ed proti v\u011btru<\/td>\n<\/tr>\n
\u00darove\u0148 4<\/td>\n\u2264 1500 Pa<\/td>\n\u2264 35 m\/s (~126 km\/h)<\/td>\n\u00darove\u0148 11<\/td>\nVyvr\u00e1cen\u00e9 stromy, drobn\u00e9 struktur\u00e1ln\u00ed po\u0161kozen\u00ed<\/td>\n<\/tr>\n
\u00darove\u0148 5<\/td>\n\u2264 2000 Pa<\/td>\n\u2264 40 m\/s (~144 km\/h)<\/td>\n\u00darove\u0148 12<\/td>\nSiln\u00e1 bou\u0159e \u2013 ur\u010dit\u00e9 struktur\u00e1ln\u00ed selh\u00e1n\u00ed<\/td>\n<\/tr>\n
\u00darove\u0148 6<\/td>\n\u2264 3000 Pa<\/td>\n\u2264 50 m\/s (~180 km\/h)<\/td>\n\u00darove\u0148 13<\/td>\nS\u00edla o s\u00edle tajfunu \u2013 ohro\u017eena st\u0159echa a za\u0159\u00edzen\u00ed<\/td>\n<\/tr>\n
\u00darove\u0148 7<\/td>\n\u2264 4000 Pa<\/td>\n\u2264 55 m\/s (~198 km\/h)<\/td>\n\u00darove\u0148 14<\/td>\nRozs\u00e1hl\u00e9 po\u0161kozen\u00ed \u2013 nam\u00e1han\u00e1 okna a pergoly<\/td>\n<\/tr>\n
\u00darove\u0148 8<\/td>\n\u2264 4500 Pa<\/td>\n\u2264 60 m\/s (~216 km\/h)<\/td>\n\u00darove\u0148 15<\/td>\nSiln\u00fd tajfun \u2013 obstoj\u00ed pouze vysoce kvalitn\u00ed stavby<\/td>\n<\/tr>\n
\u00darove\u0148 9<\/td>\n\u2265 5000 Pa<\/td>\n\u2265 65 m\/s (~234+ km\/h)<\/td>\n\u00darove\u0148 16+<\/td>\nExtr\u00e9mn\u00ed v\u00edtr \u2013 z\u00f3na hurik\u00e1nu nebo supertajfunu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Jak\u00e1 je index odolnosti proti v\u011btru?<\/h2>\n

\"Zat\u00ed\u017een\u00ed<\/p>\n

\u010c\u00edm vy\u0161\u0161\u00ed je stupe\u0148 odolnosti proti v\u011btru, t\u00edm siln\u011bj\u0161\u00ed tlak v\u011btru v\u00fdrobek odol\u00e1 bez deformace, uvoln\u011bn\u00ed nebo zhroucen\u00ed. Nap\u0159\u00edklad v n\u011bkter\u00fdch p\u0159\u00edmo\u0159sk\u00fdch oblastech, oblastech n\u00e1chyln\u00fdch k siln\u00e9mu v\u011btru nebo ve v\u00fd\u0161kov\u00fdch budov\u00e1ch se od budov vy\u017eaduje vy\u0161\u0161\u00ed stupe\u0148 odolnosti proti v\u011btru.<\/p>\n

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A co \u00farove\u0148 odolnosti na\u0161ich hlin\u00edkov\u00fdch pergol Progolas v\u016f\u010di v\u011btru?<\/h3>\n

Po v\u00fdrob\u011b pergol ihned provedeme p\u0159\u00edsn\u00e9 tov\u00e1rn\u00ed testy, v\u010detn\u011b mimo jin\u00e9: testu odolnosti proti v\u011btru, testu ochrany proti de\u0161ti, testu zat\u00ed\u017een\u00ed sn\u011bhem atd. Pr\u016fm\u011brn\u00fd v\u00fdsledek na\u0161eho testu odolnosti proti v\u011btru je 180\u2013220 km\/h, co\u017e odpov\u00edd\u00e1 \u00farovni 6\u20138 v tabulce a pergoly odol\u00e1vaj\u00ed i ni\u010div\u00fdm n\u00e1\u0159k\u016fm siln\u00fdch tajfun\u016f.<\/p>\n<\/div>\n

Pro\u010d jsou hlin\u00edkov\u00e9 pergoly odoln\u00e9 proti v\u011btru lep\u0161\u00ed ne\u017e jin\u00e9?<\/h2>\n

Ne v\u0161echny pergoly jsou konstruov\u00e1ny tak, aby odolaly s\u00edle v\u011btru, ale hlin\u00edkov\u00e9 pergoly odoln\u00e9 proti v\u011btru jsou v tomto ohledu mnohem lep\u0161\u00ed ne\u017e d\u0159ev\u011bn\u00e9, ocelov\u00e9 a nehodnocen\u00e9 hlin\u00edkov\u00e9 pergoly:<\/p>\n

\nNavr\u017eeno s ohledem na struktur\u00e1ln\u00ed integritu<\/h3>\n

V\u011btruvzdorn\u00e9 hlin\u00edkov\u00e9 pergoly jsou vyrobeny z vysoce kvalitn\u00ed hlin\u00edkov\u00e9 slitiny (nap\u0159\u00edklad 6061-T5),<\/a> s vyztu\u017een\u00fdmi spoji a siln\u011bj\u0161\u00edmi nosn\u00edky (1,8 mm nebo v\u00edce). Na rozd\u00edl od d\u0159eva, kter\u00e9 se m\u016f\u017ee ve v\u011btru deformovat nebo praskat, si hlin\u00edk dr\u017e\u00ed sv\u016fj tvar a na rozd\u00edl od oceli, kter\u00e1 m\u016f\u017ee ve spoj\u00edch rezav\u011bt, co\u017e sni\u017euje jej\u00ed odolnost v\u016f\u010di v\u011btru, hlin\u00edk odol\u00e1v\u00e1 korozi \u2013 a to i p\u0159i pob\u0159e\u017en\u00edm v\u011btru<\/a>.<\/p>\n

\nSpl\u0148uje normy pro testov\u00e1n\u00ed v\u011btru<\/h3>\n

Spr\u00e1vn\u00e9 hlin\u00edkov\u00e9 pergoly odoln\u00e9 proti v\u011btru jsou testov\u00e1ny podle pr\u016fmyslov\u00fdch norem. Nap\u0159\u00edklad ASTM E330 (zkou\u0161ka zat\u00ed\u017een\u00ed v\u011btrem) uv\u00e1d\u00ed specifickou odolnost proti v\u011btru (nap\u0159. 90 mph, 110 mph), tak\u017ee si m\u016f\u017eete vybrat spr\u00e1vn\u00fd model na z\u00e1klad\u011b v\u011btrn\u00e9 z\u00f3ny ve va\u0161\u00ed oblasti (pod\u00edvejte se na mapu v\u011btru Feder\u00e1ln\u00ed agentury pro \u0159e\u0161en\u00ed mimo\u0159\u00e1dn\u00fdch ud\u00e1lost\u00ed (FEMA)<\/a>).<\/p>\n

\nStabiln\u00ed kotevn\u00ed syst\u00e9m<\/h3>\n

V\u011btruodoln\u00e1 konstrukce se nespol\u00e9h\u00e1 jen na robustn\u00ed r\u00e1m, ale zahrnuje tak\u00e9 odoln\u00e9 kotvy: betonov\u00fd z\u00e1klad o tlou\u0161\u0165ce p\u0159es 30 cm, pozinkovan\u00e9 \u0161rouby a konzoly proti zved\u00e1n\u00ed. D\u00edky tomu je pergola pevn\u011b ukotvena k zemi, i kdy\u017e se ji v\u00edtr sna\u017e\u00ed zvednout nebo posunout.<\/p>\n

Jak vybrat spr\u00e1vnou v\u011btruodolnou hlin\u00edkovou pergolu?<\/h2>\n
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Pozn\u00e1mka:<\/strong> Ne v\u0161echna \u201ehodnocen\u00ed odolnosti proti v\u011btru\u201c jsou d\u016fv\u011bryhodn\u00e1. Abyste zajistili spolehlivost, je t\u0159eba si d\u00e1t pozor na n\u00e1sleduj\u00edc\u00ed:<\/p>\n<\/div>\n

\"Motorizovan\u00e1<\/p>\n

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Zkontrolujte si v\u011btrn\u00e9 parametry:<\/strong> Vyberte model, kter\u00fd odpov\u00edd\u00e1 maxim\u00e1ln\u00ed rychlosti v\u011btru ve va\u0161\u00ed oblasti (nap\u0159. 110 mph a v\u00edce pro oblasti n\u00e1chyln\u00e9 k hurik\u00e1n\u016fm);<\/p>\n<\/div>\n

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Zkontrolujte tlou\u0161\u0165ku r\u00e1mu:<\/strong> Hlin\u00edkov\u00e9 nosn\u00edky nad 1,8 mm odol\u00e1vaj\u00ed ohybu l\u00e9pe ne\u017e ten\u010d\u00ed;<\/p>\n<\/div>\n

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Zeptejte se na v\u00fdztu\u017e sp\u00e1r:<\/strong> Zvolte sva\u0159ovan\u00e9 nebo \u0161roubov\u00e9 spoje (sp\u00ed\u0161e ne\u017e jen \u0161rouby), kter\u00e9 zaji\u0161\u0165uj\u00ed pevn\u011bj\u0161\u00ed spojen\u00ed p\u0159i sil\u00e1ch v\u011btru;<\/p>\n<\/div>\n

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Potvr\u010fte po\u017eadavky na kotvy:<\/strong> Ujist\u011bte se, \u017ee v\u00fdrobce poskytuje specifikace pro betonov\u00e9 patky nebo zemn\u00ed kotvy (d\u016fle\u017eit\u00e9 pro sypkou zeminu).<\/p>\n<\/div>\n

Normy odolnosti pergol proti v\u011btru v r\u016fzn\u00fdch zem\u00edch<\/h2>\n

Normy odolnosti pergol v\u016f\u010di v\u011btru se v jednotliv\u00fdch zem\u00edch li\u0161\u00ed kv\u016fli rozd\u00edl\u016fm v klimatu, stavebn\u00edch p\u0159edpisech a in\u017een\u00fdrsk\u00fdch postupech.<\/p>\n

Spojen\u00e9 st\u00e1ty:<\/h3>\n