{"id":1060,"date":"2026-03-18T05:44:18","date_gmt":"2026-03-18T05:44:18","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=method&#038;p=1060"},"modified":"2026-04-08T05:56:49","modified_gmt":"2026-04-08T05:56:49","slug":"puncture-resistance-test","status":"publish","type":"method","link":"https:\/\/www.geo-tester.com\/cs\/method\/puncture-resistance-test\/","title":{"rendered":"Zkou\u0161ka odolnosti proti prop\u00edchnut\u00ed"},"content":{"rendered":"<p>Na str\u00e1nk\u00e1ch <strong>zkou\u0161ka odolnosti proti prop\u00edchnut\u00ed<\/strong> je jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch mechanick\u00fdch hodnocen\u00ed pou\u017e\u00edvan\u00fdch pro <strong>geotextilie, geomembr\u00e1ny a dal\u0161\u00ed geosyntetika.<\/strong>. Tyto materi\u00e1ly se hojn\u011b vyu\u017e\u00edvaj\u00ed v obkladech skl\u00e1dek, p\u0159i stavb\u011b silnic, \u017eelezni\u010dn\u00edch syst\u00e9m\u016f a v projektech ochrany \u017eivotn\u00edho prost\u0159ed\u00ed, kde mus\u00ed odol\u00e1vat mechanick\u00e9mu po\u0161kozen\u00ed od kamen\u016f, kameniva a zat\u00ed\u017een\u00ed p\u0159i pokl\u00e1dce.<\/p>\n\n\n\n<p>B\u011bhem instalace a \u017eivotnosti mohou geosyntetick\u00e9 vrstvy p\u016fsobit soust\u0159ed\u011bn\u00fdmi silami, kter\u00e9 mohou v\u00e9st k poru\u0161e prora\u017een\u00ed. Na str\u00e1nk\u00e1ch <strong>zkou\u0161ka odolnosti proti prop\u00edchnut\u00ed<\/strong> poskytuje kontrolovanou metodu m\u011b\u0159en\u00ed s\u00edly pot\u0159ebn\u00e9 k pr\u016fniku materi\u00e1lem pomoc\u00ed standardizovan\u00fdch sond nebo p\u00edst\u016f.<\/p>\n\n\n\n<p>Zku\u0161ebn\u00ed laborato\u0159e a konstrukt\u00e9\u0159i se spol\u00e9haj\u00ed na standardizovan\u00e9 postupy definovan\u00e9 v dokumentu <strong>ASTM D4833, ASTM D5494, ASTM D6241 a ISO 12236.<\/strong> k ur\u010den\u00ed <strong>statick\u00e1 pevnost v pr\u016frazu<\/strong> a <strong>index odolnosti proti prop\u00edchnut\u00ed<\/strong> geosyntetick\u00fdch materi\u00e1l\u016f. V\u00fdsledky t\u011bchto zkou\u0161ek pom\u00e1haj\u00ed vyhodnotit trvanlivost, porovnat v\u00fdkonnost v\u00fdrobk\u016f a zajistit soulad s technick\u00fdmi specifikacemi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Statick\u00e1 zkou\u0161ka pevnosti a statick\u00e1 zkou\u0161ka pr\u016frazu<\/h2>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <strong>statick\u00e1 pevnost v pr\u016frazu<\/strong> geosyntetick\u00e9ho materi\u00e1lu p\u0159edstavuje jeho odolnost proti pronik\u00e1n\u00ed p\u0159i trvale rostouc\u00edm zat\u00ed\u017een\u00ed. Typick\u00fd <strong>statick\u00e1 zkou\u0161ka pr\u016frazem<\/strong> m\u011b\u0159\u00ed maxim\u00e1ln\u00ed s\u00edlu pot\u0159ebnou k protla\u010den\u00ed sondy upnut\u00fdm vzorkem.<\/p>\n\n\n\n<p>V praktick\u00e9m in\u017een\u00fdrsk\u00e9m prost\u0159ed\u00ed se geosyntetick\u00e9 materi\u00e1ly mohou setkat s:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ostr\u00e9 kameny ve vrstv\u00e1ch p\u016fdy<\/li>\n\n\n\n<li>Bodov\u00e9 zat\u00ed\u017een\u00ed t\u011b\u017ek\u00fdmi stavebn\u00edmi stroji<\/li>\n\n\n\n<li>Koncentrace nap\u011bt\u00ed zp\u016fsoben\u00e1 nerovnom\u011brn\u00fdm podlo\u017e\u00edm<\/li>\n\n\n\n<li>Mechanick\u00e9 po\u0161kozen\u00ed p\u0159i instalaci<\/li>\n<\/ul>\n\n\n\n<p>A <strong>statick\u00e1 zkou\u0161ka pr\u016frazem<\/strong> reprodukuje tato lokalizovan\u00e1 nap\u011bt\u00ed v kontrolovan\u00fdch laboratorn\u00edch podm\u00ednk\u00e1ch.<\/p>\n\n\n\n<p>Test obecn\u011b zahrnuje t\u0159i kl\u00ed\u010dov\u00e9 kroky:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Up\u00edn\u00e1n\u00ed vzork\u016f<\/strong> mezi tuh\u00fdmi kruhov\u00fdmi deskami bez nap\u011bt\u00ed.<\/li>\n\n\n\n<li><strong>\u0158\u00edzen\u00fd pohyb sondy<\/strong> sm\u011brem ke st\u0159edu vzorku.<\/li>\n\n\n\n<li><strong>Z\u00e1znam maxim\u00e1ln\u00ed s\u00edly<\/strong> pot\u0159ebn\u00e9 k roztr\u017een\u00ed materi\u00e1lu.<\/li>\n<\/ol>\n\n\n\n<p>V\u00fdsledn\u00fd <strong>hodnota odolnosti proti prop\u00edchnut\u00ed<\/strong> poskytuje in\u017een\u00fdr\u016fm spolehliv\u00fd ukazatel pro hodnocen\u00ed pevnosti a deforma\u010dn\u00edho chov\u00e1n\u00ed materi\u00e1lu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Index odolnosti geomembr\u00e1n proti prora\u017een\u00ed - ASTM D4833<\/h2>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <strong>index odolnosti proti prop\u00edchnut\u00ed<\/strong> test popsan\u00fd v <strong>ASTM D4833<\/strong> je \u0161iroce pou\u017e\u00edv\u00e1n pro <strong>geomembr\u00e1ny a souvisej\u00edc\u00ed produkty<\/strong>.<\/p>\n\n\n\n<p>V tomto <strong>zkou\u0161ka odolnosti proti prop\u00edchnut\u00ed<\/strong>, je vzorek upevn\u011bn mezi kruhov\u00fdmi up\u00ednac\u00edmi deskami namontovan\u00fdmi na tahov\u00e9m zku\u0161ebn\u00edm stroji. A <strong>pevn\u00e1 v\u00e1lcov\u00e1 ocelov\u00e1 ty\u010d<\/strong> pak p\u016fsob\u00ed silou na nepodep\u0159enou st\u0159edn\u00ed oblast vzorku, dokud nedojde k prasknut\u00ed.<\/p>\n\n\n\n<p>Mezi d\u016fle\u017eit\u00e9 aspekty metody pat\u0159\u00ed:<\/p>\n\n\n\n<p><strong>Testovac\u00ed konfigurace<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vzorek upnut\u00fd bez nap\u011bt\u00ed<\/li>\n\n\n\n<li>Zat\u00ed\u017een\u00ed p\u016fsob\u00edc\u00ed ve st\u0159edu vzorku<\/li>\n\n\n\n<li>Zku\u0161ebn\u00ed stroj zaznamen\u00e1v\u00e1 maxim\u00e1ln\u00ed s\u00edlu<\/li>\n<\/ul>\n\n\n\n<p><strong>Standardn\u00ed testovac\u00ed rychlost<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>300 \u00b1 10 mm\/min<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <strong>maxim\u00e1ln\u00ed s\u00edla zaznamenan\u00e1 p\u0159i pr\u016fniku<\/strong> p\u0159edstavuje <strong>index odolnosti proti prop\u00edchnut\u00ed<\/strong> geomembr\u00e1ny. Tato hodnota slou\u017e\u00ed jako standardizovan\u00e1 referen\u010dn\u00ed hodnota, kter\u00e1 umo\u017e\u0148uje in\u017een\u00fdr\u016fm a v\u00fdrobc\u016fm porovn\u00e1vat mechanickou odolnost r\u016fzn\u00fdch geomembr\u00e1nov\u00fdch materi\u00e1l\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Odolnost geomembr\u00e1n proti pyramid\u00e1ln\u00edmu prora\u017een\u00ed - ASTM D5494<\/h2>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <strong>pyramid\u00e1ln\u00ed odolnost proti prop\u00edchnut\u00ed<\/strong> test definovan\u00fd v <strong>ASTM D5494<\/strong> poskytuje dal\u0161\u00ed d\u016fle\u017eit\u00fd <strong>zkou\u0161ka odolnosti proti prop\u00edchnut\u00ed<\/strong> metoda pro geomembr\u00e1ny.<\/p>\n\n\n\n<p>M\u00edsto v\u00e1lcov\u00e9 sondy se p\u0159i t\u00e9to metod\u011b pou\u017e\u00edv\u00e1 v\u00e1lcov\u00e1 sonda. <strong>penetr\u00e1tor ve tvaru pyramidy<\/strong> kter\u00fd l\u00e9pe simuluje \u00fa\u010dinek hranat\u00fdch kamen\u016f nebo ostr\u00fdch stavebn\u00edch sutin.<\/p>\n\n\n\n<p>Test tak\u00e9 umo\u017e\u0148uje in\u017een\u00fdr\u016fm vyhodnotit, jak ochrann\u00e9 vrstvy zlep\u0161uj\u00ed odolnost proti prop\u00edchnut\u00ed. Nap\u0159\u00edklad <strong>vrstva netkan\u00e9 geotextilie um\u00edst\u011bn\u00e1 nad geomembr\u00e1nou<\/strong> m\u016f\u017ee v\u00fdrazn\u011b zv\u00fd\u0161it odolnost proti po\u0161kozen\u00ed pr\u016frazem.<\/p>\n\n\n\n<p>Mezi hlavn\u00ed charakteristiky t\u00e9to metody pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>pevn\u00fd ocelov\u00fd pyramidov\u00fd penetr\u00e1tor<\/strong> p\u016fsob\u00ed s\u00edla ve st\u0159edu vzorku.<\/li>\n\n\n\n<li>Vzorek lze testovat pomoc\u00ed <strong>voda nebo hlin\u00edkov\u00e1 deska jako podkladov\u00e9 m\u00e9dium<\/strong>.<\/li>\n\n\n\n<li>Test zaznamen\u00e1v\u00e1 jak <strong>zat\u00ed\u017een\u00ed p\u0159i pr\u016frazu a prodlou\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Typick\u00e9 rychlosti testov\u00e1n\u00ed zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>50 mm\/min<\/strong> kdy\u017e se jako nosn\u00e9 m\u00e9dium pou\u017e\u00edv\u00e1 voda<\/li>\n\n\n\n<li><strong>10 mm\/min<\/strong> kdy\u017e vzorek podp\u00edr\u00e1 hlin\u00edkov\u00e1 deska<\/li>\n<\/ul>\n\n\n\n<p>Tento <strong>pyramid\u00e1ln\u00ed odolnost proti prop\u00edchnut\u00ed<\/strong> test poskytuje cenn\u00e9 informace o v\u00fdkonnosti v\u00edcevrstv\u00fdch geosyntetick\u00fdch syst\u00e9m\u016f pou\u017e\u00edvan\u00fdch p\u0159i ochran\u011b skl\u00e1dek.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Statick\u00e1 pevnost geotextili\u00ed v pr\u016frazu - ASTM D6241<\/h2>\n\n\n\n<p><strong>ASTM D6241<\/strong> specifikuje \u0161iroce pou\u017e\u00edvan\u00fd <strong>statick\u00e1 zkou\u0161ka pr\u016frazem<\/strong> pro m\u011b\u0159en\u00ed <strong>statick\u00e1 pevnost v pr\u016frazu<\/strong> z <strong>geotextilie a geosyntetick\u00e9 v\u00fdrobky<\/strong>.<\/p>\n\n\n\n<p>Tato metoda pou\u017e\u00edv\u00e1 <strong>V\u00e1lcov\u00e1 sonda o pr\u016fm\u011bru 50 mm<\/strong>, kter\u00fd p\u016fsob\u00ed na materi\u00e1l v\u00edcesm\u011brn\u00fdm nap\u011bt\u00edm. Kv\u016fli t\u00e9to geometrii sondy je zkou\u0161ka b\u011b\u017en\u011b zn\u00e1m\u00e1 jako tzv. <strong>Zkou\u0161ka pr\u016frazem CBR<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Princip testu<\/h3>\n\n\n\n<p>Vzorek se upne mezi kruhov\u00e9 krou\u017eky bez tahu a um\u00edst\u00ed se do tahov\u00e9ho nebo tlakov\u00e9ho zku\u0161ebn\u00edho stroje. A <strong>50 mm v\u00e1lcov\u00e1 sonda<\/strong> postupuje sm\u011brem ke st\u0159edu vzorku, dokud nedojde k prasknut\u00ed.<\/p>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <strong>maxim\u00e1ln\u00ed s\u00edla pot\u0159ebn\u00e1 k prora\u017een\u00ed materi\u00e1lu<\/strong> p\u0159edstavuje s\u00edlu pr\u016frazu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Typick\u00fd zku\u0161ebn\u00ed postup<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zvolte rozsah zat\u00ed\u017een\u00ed tak, aby k prasknut\u00ed do\u0161lo mezi <strong>10% a 90% pln\u00e9ho zat\u00ed\u017een\u00ed<\/strong>.<\/li>\n\n\n\n<li>Vzorek pevn\u011b upn\u011bte tak, aby jeho okraje p\u0159esahovaly up\u00ednac\u00ed krou\u017eky.<\/li>\n\n\n\n<li>Vyrovnejte sondu se st\u0159edem vzorku.<\/li>\n\n\n\n<li>P\u016fsoben\u00ed s\u00edly kontrolovanou rychlost\u00ed, nap\u0159. <strong>30 mm\/min, 50 mm\/min nebo 100 mm\/min<\/strong>.<\/li>\n\n\n\n<li>Zaznamenat <strong>maxim\u00e1ln\u00ed s\u00edla pr\u016frazu a posun p\u0159i prasknut\u00ed<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>V\u00fdsledky poskytuj\u00ed <strong>index pevnosti a deforma\u010dn\u00ed charakteristiky<\/strong>, kter\u00e9 jsou nezbytn\u00e9 pro hodnocen\u00ed struktur\u00e1ln\u00ed odolnosti geotextiln\u00edch materi\u00e1l\u016f pou\u017e\u00edvan\u00fdch v pozemn\u00edm stavitelstv\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Statick\u00e1 zkou\u0161ka prop\u00edchnut\u00ed geosyntetik - ISO 12236<\/h2>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <strong>ISO 12236<\/strong> standard specifikuje dal\u0161\u00ed \u0161iroce uzn\u00e1van\u00fd <strong>statick\u00e1 zkou\u0161ka pr\u016frazem<\/strong>, ozna\u010dovan\u00e9 tak\u00e9 jako <strong>Zkou\u0161ka pr\u016frazem CBR<\/strong>, pro stanoven\u00ed odolnosti geosyntetik proti pr\u016frazu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Princip testu<\/h3>\n\n\n\n<p>Vzorek je upnut mezi <strong>dva ocelov\u00e9 krou\u017eky<\/strong>, a <strong>p\u00edst s ploch\u00fdm koncem<\/strong> se pohybuje kolmo st\u0159edem vzorku konstantn\u00ed rychlost\u00ed.<\/p>\n\n\n\n<p>B\u011bhem testu syst\u00e9m zaznamen\u00e1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pr\u016ftla\u010dn\u00e1 s\u00edla<\/strong><\/li>\n\n\n\n<li><strong>Pr\u016fchoz\u00ed posun<\/strong><\/li>\n\n\n\n<li><strong>K\u0159ivka s\u00edla-posun<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 podm\u00ednky testov\u00e1n\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standardn\u00ed rychlost testov\u00e1n\u00ed: <strong>50 \u00b1 5 mm\/min<\/strong><\/li>\n\n\n\n<li>M\u011b\u0159en\u00ed posunu za\u010d\u00edn\u00e1 v bod\u011b a <strong>p\u0159edp\u011bt\u00ed 20 N<\/strong><\/li>\n\n\n\n<li>V\u00fdsledky zahrnuj\u00ed <strong>maxim\u00e1ln\u00ed tla\u010dn\u00e1 s\u00edla<\/strong> a posunut\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Kone\u010dn\u00fd v\u00fdsledek obvykle uv\u00e1d\u00ed <strong>pr\u016fm\u011brn\u00e1 s\u00edla vpichu a varia\u010dn\u00ed koeficient<\/strong> pro v\u00edce vzork\u016f. Tyto informace pom\u00e1haj\u00ed in\u017een\u00fdr\u016fm hodnotit mechanick\u00e9 chov\u00e1n\u00ed a konzistenci geosyntetick\u00fdch materi\u00e1l\u016f pou\u017e\u00edvan\u00fdch v infrastrukturn\u00edch projektech.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P\u0159esn\u00e9 testov\u00e1n\u00ed odolnosti proti prora\u017een\u00ed pomoc\u00ed modern\u00edho vybaven\u00ed<\/h2>\n\n\n\n<p>Spolehliv\u00e9 <strong>zkou\u0161ka odolnosti proti prop\u00edchnut\u00ed<\/strong> v\u00fdsledky z\u00e1vis\u00ed na p\u0159esn\u00e9 kontrole zat\u00ed\u017een\u00ed, posunu a rychlosti zkou\u0161ky.<\/p>\n\n\n\n<p>Modern\u00ed laborato\u0159e \u010dasto prov\u00e1d\u011bj\u00ed tyto zkou\u0161ky pomoc\u00ed univerz\u00e1ln\u00edch zku\u0161ebn\u00edch stroj\u016f, jako je nap\u0159. <strong>Cell Instruments TST-01 Zkou\u0161e\u010dka pevnosti v tahu<\/strong>. Syst\u00e9m poskytuje stabilitu a flexibilitu pot\u0159ebnou pro testov\u00e1n\u00ed geosyntetik.<\/p>\n\n\n\n<p>Mezi hlavn\u00ed v\u00fdhody pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0158\u00eddic\u00ed syst\u00e9m zalo\u017een\u00fd na PLC se 7palcov\u00fdm dotykov\u00fdm displejem<\/strong><\/li>\n\n\n\n<li><strong>Vysoce p\u0159esn\u00fd pohon kuli\u010dkov\u00fdm \u0161roubem<\/strong> pro stabiln\u00ed \u0159\u00edzen\u00ed pohybu<\/li>\n\n\n\n<li>Nastaviteln\u00e1 rychlost testov\u00e1n\u00ed od <strong>1-500 mm\/min<\/strong> spln\u011bn\u00ed v\u00edce norem<\/li>\n\n\n\n<li>Kompatibilita s <strong>specializovan\u00e9 p\u0159\u00edpravky na prop\u00edchnut\u00ed<\/strong> pro geotextilie a geomembr\u00e1ny<\/li>\n\n\n\n<li>K\u0159ivky zat\u00ed\u017een\u00ed v re\u00e1ln\u00e9m \u010dase a automatick\u00e9 zaznamen\u00e1v\u00e1n\u00ed dat<\/li>\n<\/ul>\n\n\n\n<p>Tyto mo\u017enosti umo\u017e\u0148uj\u00ed laborato\u0159\u00edm prov\u00e1d\u011bt standardizovan\u00e9 <strong>zkou\u0161ka odolnosti proti prop\u00edchnut\u00ed<\/strong> postupy s vysokou opakovatelnost\u00ed a sledovatelnost\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdznam zkou\u0161ek odolnosti proti pr\u016frazu v geotechnick\u00e9m in\u017een\u00fdrstv\u00ed<\/h2>\n\n\n\n<p>Mechanick\u00e1 spolehlivost <strong>geotextilie, geomembr\u00e1ny a geosyntetika<\/strong> p\u0159\u00edmo ovliv\u0148uje dlouhodobou v\u00fdkonnost infrastruktury a syst\u00e9m\u016f ochrany \u017eivotn\u00edho prost\u0159ed\u00ed.<\/p>\n\n\n\n<p>Proveden\u00ed standardizovan\u00e9ho <strong>zkou\u0161ka odolnosti proti prop\u00edchnut\u00ed<\/strong> umo\u017e\u0148uje in\u017een\u00fdr\u016fm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ov\u011b\u0159en\u00ed shody s mezin\u00e1rodn\u00edmi normami<\/li>\n\n\n\n<li>Vyhodnocen\u00ed trvanlivosti instalace<\/li>\n\n\n\n<li>Porovn\u00e1n\u00ed materi\u00e1l\u016f od r\u016fzn\u00fdch v\u00fdrobc\u016f<\/li>\n\n\n\n<li>Optimalizace ochrann\u00fdch geotextiln\u00edch vrstev<\/li>\n\n\n\n<li>Sn\u00ed\u017een\u00ed rizika selh\u00e1n\u00ed liner syst\u00e9mu<\/li>\n<\/ul>\n\n\n\n<p>Kombinac\u00ed standardizovan\u00fdch testovac\u00edch metod, jako je nap\u0159. <strong><a href=\"https:\/\/store.astm.org\/d4833_d4833m-07r20.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4833<\/a>, <a href=\"https:\/\/store.astm.org\/d5494-93r23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D5494<\/a>, <a href=\"https:\/\/store.astm.org\/d6241-22a.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D6241<\/a>, a <a href=\"https:\/\/www.iso.org\/standard\/40762.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ISO 12236<\/a><\/strong> s p\u0159esn\u00fdm zku\u0161ebn\u00edm za\u0159\u00edzen\u00edm mohou laborato\u0159e zajistit p\u0159esn\u00e9 vyhodnocov\u00e1n\u00ed <strong>statick\u00e1 pevnost v pr\u016frazu<\/strong> a celkovou odolnost materi\u00e1lu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Zkou\u0161ka odolnosti proti pr\u016frazu hodnot\u00ed, jak geosyntetick\u00e9 materi\u00e1ly, jako jsou geotextilie a geomembr\u00e1ny, odol\u00e1vaj\u00ed pr\u016frazu soust\u0159ed\u011bn\u00fdm zat\u00ed\u017een\u00edm nebo ostr\u00fdmi p\u0159edm\u011bty. Normy ASTM D4833, ASTM D5494, ASTM D6241 a ISO 12236 definuj\u00ed postupy pro m\u011b\u0159en\u00ed indexov\u00e9 odolnosti proti pr\u016frazu, pyramid\u00e1ln\u00ed odolnosti proti pr\u016frazu a statick\u00e9 pevnosti proti pr\u016frazu.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"method-category":[],"class_list":["post-1060","method","type-method","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/method\/1060","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/method"}],"about":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/types\/method"}],"wp:attachment":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/media?parent=1060"}],"wp:term":[{"taxonomy":"method-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/method-category?post=1060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}