{"id":1101,"date":"2026-04-02T08:08:40","date_gmt":"2026-04-02T08:08:40","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=standard&#038;p=1101"},"modified":"2026-04-08T05:59:57","modified_gmt":"2026-04-08T05:59:57","slug":"astm-d5494","status":"publish","type":"standard","link":"https:\/\/www.geo-tester.com\/cs\/standard\/astm-d5494\/","title":{"rendered":"ASTM D5494"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Porozum\u011bn\u00ed <strong>ASTM D5494<\/strong> je z\u00e1sadn\u00ed pro hodnocen\u00ed trvanlivosti a odolnosti proti prora\u017een\u00ed. <strong>geomembr\u00e1ny<\/strong>, a\u0165 u\u017e nechr\u00e1n\u011bn\u00e9 nebo vyztu\u017een\u00e9 netkanou geotextili\u00ed. Tato norma poskytuje spolehlivou metodu pro posouzen\u00ed vlastnost\u00ed geomembr\u00e1n p\u0159i nam\u00e1h\u00e1n\u00ed pr\u016frazem a zaji\u0161\u0165uje, \u017ee materi\u00e1ly spl\u0148uj\u00ed po\u017eadavky na kvalitu a bezpe\u010dnost pro r\u016fzn\u00e9 pr\u016fmyslov\u00e9 aplikace.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pyramidov\u00e1 zkou\u0161ka odolnosti geomembr\u00e1n proti prop\u00edchnut\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>pyramidov\u00fd test odolnosti proti prop\u00edchnut\u00ed<\/strong> je indexov\u00e1 zkou\u0161ka, kter\u00e1 m\u011b\u0159\u00ed pevnost geomembr\u00e1ny p\u0159i p\u016fsoben\u00ed ocelov\u00e9ho hloubkom\u011bru ve tvaru pyramidy. Postup ur\u010duje maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed a prodlou\u017een\u00ed p\u0159i poru\u0161en\u00ed a nab\u00edz\u00ed standardizovan\u00e9 hodnoty jak pro nechr\u00e1n\u011bn\u00e9 geomembr\u00e1ny, tak pro geomembr\u00e1ny s ochrann\u00fdmi vrstvami. D\u00edky simulaci mo\u017en\u00fdch sc\u00e9n\u00e1\u0159\u016f prora\u017een\u00ed poskytuje tato zkou\u0161ka z\u00e1kladn\u00ed \u00fadaje pro v\u00fdb\u011br materi\u00e1lu a certifikaci v\u00fdrobku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Za\u0159\u00edzen\u00ed a nastaven\u00ed pro tahov\u00e9 zkou\u0161ky<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prov\u00e1d\u011bn\u00ed <strong>geomembr\u00e1nov\u00fd test prop\u00edchnut\u00ed pyramidy<\/strong> vy\u017eaduje p\u0159esn\u00e9 vybaven\u00ed, v\u010detn\u011b lisu nebo stroje na zkou\u0161en\u00ed v tahu, krou\u017ekov\u00fdch svorek, kalen\u00e9ho pyramidov\u00e9ho p\u00edstu a elektrick\u00e9ho syst\u00e9mu detekce zat\u00ed\u017een\u00ed. Vzorek je um\u00edst\u011bn mezi horn\u00ed a doln\u00ed svorky, \u010d\u00edm\u017e je zaji\u0161t\u011bno, \u017ee nedojde k p\u0159edp\u011bt\u00ed. Zat\u011b\u017eovac\u00ed p\u00edst p\u016fsob\u00ed silou s \u0159\u00edzenou rychlost\u00ed a pomoc\u00ed elektrick\u00e9ho detek\u010dn\u00edho obvodu se zaznamen\u00e1 moment p\u0159etr\u017een\u00ed. B\u011b\u017en\u011b se pou\u017e\u00edvaj\u00ed dv\u011b z\u00e1kladn\u00ed m\u00e9dia:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Voda:<\/strong> Simuluje netuhou podp\u011bru a vede elektrick\u00e9 sign\u00e1ly pro detekci prop\u00edchnut\u00ed.<\/li>\n\n\n\n<li><strong>Hlin\u00edkov\u00e1 deska:<\/strong> P\u0159edstavuje pevn\u00fd podklad pro n\u00e1ro\u010dn\u011bj\u0161\u00ed sc\u00e9n\u00e1\u0159e prop\u00edchnut\u00ed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Postup zkou\u0161ky odolnosti geomembr\u00e1n proti prop\u00edchnut\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norma ASTM D5494 uv\u00e1d\u00ed dv\u011b z\u00e1kladn\u00ed zku\u0161ebn\u00ed metody zalo\u017een\u00e9 na podkladov\u00e9m m\u00e9diu:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Metoda vodn\u00edho m\u00e9dia:<\/strong> Vzorky se pevn\u011b sev\u0159ou a testuj\u00ed se rychlost\u00ed 50 mm\/min, dokud nedojde k pr\u016frazu.<\/li>\n\n\n\n<li><strong>Metoda hlin\u00edkov\u00e9 desky:<\/strong> Vzorky le\u017e\u00ed naplocho bez up\u00edn\u00e1n\u00ed, p\u0159i\u010dem\u017e pro vyhodnocen\u00ed pr\u016frazu se pou\u017e\u00edv\u00e1 pomalej\u0161\u00ed zku\u0161ebn\u00ed rychlost 10 mm\/min.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Pro stanoven\u00ed pr\u016fm\u011brn\u00e9 odolnosti proti prop\u00edchnut\u00ed se doporu\u010duje nejm\u00e9n\u011b deset opakov\u00e1n\u00ed pro ka\u017ed\u00e9 m\u00e9dium. Sou\u010dasn\u00e9 m\u011b\u0159en\u00ed prodlou\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed poskytuje dal\u0161\u00ed informace o v\u00fdkonnosti materi\u00e1lu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdznam zkou\u0161ky pr\u016frazu geomembr\u00e1ny pyramidou<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>zkou\u0161ka odolnosti geomembr\u00e1n proti prop\u00edchnut\u00ed<\/strong> slou\u017e\u00ed jako m\u011b\u0159\u00edtko pro zaji\u0161t\u011bn\u00ed kvality materi\u00e1lu. Odv\u011btv\u00ed, kter\u00e1 pou\u017e\u00edvaj\u00ed geomembr\u00e1ny - v\u010detn\u011b odpadov\u00e9ho hospod\u00e1\u0159stv\u00ed, zadr\u017eov\u00e1n\u00ed vody, t\u011b\u017eby a stavebnictv\u00ed - se spol\u00e9haj\u00ed na tato standardizovan\u00e1 m\u011b\u0159en\u00ed, aby zajistila dlouhodobou \u017eivotnost. Pou\u017eit\u00ed ochrann\u00e9 netkan\u00e9 geotextilie m\u016f\u017ee v\u00fdrazn\u011b zv\u00fd\u0161it odolnost proti prora\u017een\u00ed a test toto zlep\u0161en\u00ed kvantifikuje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Doporu\u010den\u00e9 vybaven\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pro p\u0159esn\u00e9 a efektivn\u00ed testov\u00e1n\u00ed je <strong>Cell Instruments TST-01 Zkou\u0161e\u010dka pevnosti v tahu<\/strong> je ide\u00e1ln\u00ed. Jeho syst\u00e9m \u0159\u00edzen\u00fd PLC, nastaviteln\u00e1 rychlost (1-500 mm\/min), kompatibilita s v\u00edce p\u0159edlohami a zobrazen\u00ed k\u0159ivek v re\u00e1ln\u00e9m \u010dase zaji\u0161\u0165uj\u00ed vysokou p\u0159esnost pyramidov\u00fdch vpich\u016f. Voliteln\u00fd v\u00fdstup dat prost\u0159ednictv\u00edm mikrotisk\u00e1rny nebo RS-232 umo\u017e\u0148uje bezprobl\u00e9movou integraci do syst\u00e9m\u016f \u0159\u00edzen\u00ed kvality.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 \u00favahy<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ujist\u011bte se, \u017ee zku\u0161ebn\u00ed vzorek nen\u00ed zvr\u00e1sn\u011bn\u00fd nebo p\u0159eddeformovan\u00fd.<\/li>\n\n\n\n<li>Udr\u017eujte konzistentn\u00ed rychlost testov\u00e1n\u00ed podle <a href=\"https:\/\/store.astm.org\/d5494-93r23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D5494<\/a> specifikace.<\/li>\n\n\n\n<li>Opakujte zkou\u0161ky, abyste zohlednili variabilitu \u0161ar\u017e\u00ed materi\u00e1lu.<\/li>\n\n\n\n<li>Pro kompletn\u00ed vyhodnocen\u00ed vlastnost\u00ed zdokumentujte jak zat\u00ed\u017een\u00ed p\u0159i pr\u016frazu, tak prodlou\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-1&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-1-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-1\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">K \u010demu slou\u017e\u00ed test ASTM D5494?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-1\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-1-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Poskytuje standardizovan\u00e9 m\u011b\u0159\u00edtko odolnosti geomembr\u00e1n proti prop\u00edchnut\u00ed pyramidou a slou\u017e\u00ed jako vod\u00edtko pro zaji\u0161t\u011bn\u00ed kvality a v\u00fdb\u011br materi\u00e1lu.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Lze normu ASTM D5494 pou\u017e\u00edt pro geomembr\u00e1ny s ochrann\u00fdmi vrstvami?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-2\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ano, test kvantifikuje zv\u00fd\u0161en\u00ed odolnosti proti pr\u016frazu p\u0159i pou\u017eit\u00ed netkan\u00fdch geotextili\u00ed.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Jak\u00e9 typy podkladov\u00fdch m\u00e9di\u00ed se p\u0159i testu pou\u017e\u00edvaj\u00ed?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-3\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Voda pro netuhou simulaci a hlin\u00edk pro tuhou podlo\u017eku.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Kolik vzork\u016f by m\u011blo b\u00fdt testov\u00e1no, aby byla zaji\u0161t\u011bna spolehlivost?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-4\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Nejm\u00e9n\u011b deset vzork\u016f na podkladov\u00e9 m\u00e9dium.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-5&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-5-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-5\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Kter\u00e1 odv\u011btv\u00ed maj\u00ed z testov\u00e1n\u00ed podle normy ASTM D5494 nejv\u011bt\u0161\u00ed prosp\u011bch?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-5\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-5-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Stavebnictv\u00ed, nakl\u00e1d\u00e1n\u00ed s odpady, t\u011b\u017eba, zadr\u017eov\u00e1n\u00ed vody a dal\u0161\u00ed odv\u011btv\u00ed vyu\u017e\u00edvaj\u00edc\u00ed geomembr\u00e1ny.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Norma ASTM D5494 definuje standardizovanou metodu pro stanoven\u00ed odolnosti nechr\u00e1n\u011bn\u00fdch a chr\u00e1n\u011bn\u00fdch geomembr\u00e1n proti prop\u00edchnut\u00ed pyramidy. Hodnot\u00ed maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed a prodlou\u017een\u00ed p\u0159i protr\u017een\u00ed pomoc\u00ed p\u00edstu ve tvaru pyramidy na vodn\u00edm nebo hlin\u00edkov\u00e9m podkladu.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[56],"class_list":["post-1101","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/standard\/1101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/media?parent=1101"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/standard-category?post=1101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}