{"id":1095,"date":"2026-04-01T07:39:24","date_gmt":"2026-04-01T07:39:24","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=standard&#038;p=1095"},"modified":"2026-04-08T05:59:17","modified_gmt":"2026-04-08T05:59:17","slug":"astm-d4632","status":"publish","type":"standard","link":"https:\/\/www.geo-tester.com\/cs\/standard\/astm-d4632\/","title":{"rendered":"ASTM D4632"},"content":{"rendered":"<p>ASTM D4632\/D4632M je jednou z nejpou\u017e\u00edvan\u011bj\u0161\u00edch norem pro hodnocen\u00ed chov\u00e1n\u00ed geotextili\u00ed v tahu metodou uchopen\u00ed. Norma m\u011b\u0159\u00ed dv\u011b d\u016fle\u017eit\u00e9 vlastnosti: zat\u00ed\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed a prodlou\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed. Tyto hodnoty pom\u00e1haj\u00ed v\u00fdrobc\u016fm, laborato\u0159\u00edm, dodavatel\u016fm a pracovn\u00edk\u016fm kontroly kvality ur\u010dit, zda geotextilie spl\u0148uje po\u017eadavky na vlastnosti pro pou\u017eit\u00ed v ter\u00e9nu.<\/p>\n\n\n\n<p>Na rozd\u00edl od p\u00e1sov\u00fdch tahov\u00fdch metod se podle normy ASTM D4632 uchopuje pouze st\u0159edn\u00ed \u010d\u00e1st vzorku. Tento p\u0159\u00edstup odr\u00e1\u017e\u00ed \u201cefektivn\u00ed pevnost\u201d tkaniny realisti\u010dt\u011bji, proto\u017ee ke kone\u010dn\u00e9mu zat\u00ed\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed p\u0159isp\u00edvaj\u00ed sousedn\u00ed p\u0159\u00edze a vl\u00e1kna. Proto se norma ASTM D4632 \u010dasto pou\u017e\u00edv\u00e1 pro vstupn\u00ed kontrolu, porovn\u00e1v\u00e1n\u00ed v\u00fdrobk\u016f, p\u0159ej\u00edmku \u0161ar\u017e\u00ed a kontrolu kvality v\u00fdroby.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je ASTM D4632?<\/h2>\n\n\n\n<p>ASTM D4632 je standardn\u00ed zku\u0161ebn\u00ed metoda pro stanoven\u00ed \u00fanosnosti p\u0159i p\u0159etr\u017een\u00ed a prodlou\u017een\u00ed geotextili\u00ed. Metoda p\u016fsob\u00ed na vzorek plynule rostouc\u00ed tahovou silou, dokud nedojde k p\u0159etr\u017een\u00ed.<\/p>\n\n\n\n<p>Norma se vztahuje na mnoho tkan\u00fdch a netkan\u00fdch geotextili\u00ed, v\u010detn\u011b materi\u00e1l\u016f pou\u017e\u00edvan\u00fdch p\u0159i filtraci, odvod\u0148ov\u00e1n\u00ed, separaci, vyztu\u017eov\u00e1n\u00ed, protierozn\u00ed ochran\u011b a stavb\u011b silnic. Nen\u00ed v\u0161ak vhodn\u00e1 pro pleteniny, proto\u017ee jejich struktura reaguje p\u0159i zat\u00ed\u017een\u00ed v tahu odli\u0161n\u011b.<\/p>\n\n\n\n<p>Zkou\u0161ku lze prov\u00e1d\u011bt za sucha i za mokra. P\u0159i v\u011bt\u0161in\u011b komer\u010dn\u00edch zkou\u0161ek laborato\u0159e pou\u017e\u00edvaj\u00ed such\u00e9 podm\u00ednky, pokud specifikace projektu nevy\u017eaduje zkou\u0161ku za mokra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pevnost v tahu geotextilie p\u0159i uchopen\u00ed<\/h2>\n\n\n\n<p>Pevnost geotextilie v tahu za uchopen\u00ed ozna\u010duje maxim\u00e1ln\u00ed s\u00edlu pot\u0159ebnou k p\u0159etr\u017een\u00ed vzorku p\u0159i sev\u0159en\u00ed pouze \u010d\u00e1sti jeho \u0161\u00ed\u0159ky. Norma ASTM D4632 pou\u017e\u00edv\u00e1 vzorek o rozm\u011brech 101,6 \u00d7 203,2 mm, p\u0159i\u010dem\u017e \u010delisti sv\u00edraj\u00ed pouze \u010d\u00e1st \u0161irokou 25,4 mm uprost\u0159ed.<\/p>\n\n\n\n<p>Toto \u010d\u00e1ste\u010dn\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed \u00fachytu umo\u017e\u0148uje, aby se bl\u00edzk\u00e1 vl\u00e1kna b\u011bhem testu d\u011blila o zat\u00ed\u017een\u00ed. D\u00edky t\u00e9to vlastnosti jsou hodnoty pevnosti v tahu p\u0159i uchopen\u00ed obvykle vy\u0161\u0161\u00ed ne\u017e hodnoty pevnosti v tahu v p\u00e1su pro stejn\u00fd materi\u00e1l.<\/p>\n\n\n\n<p>Mus\u00ed b\u00fdt testov\u00e1ny dva sm\u011bry vzork\u016f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sm\u011br stroje (MD)<\/li>\n\n\n\n<li>Sm\u011brov\u00e1n\u00ed nap\u0159\u00ed\u010d stroji (CMD)<\/li>\n<\/ul>\n\n\n\n<p>V\u00fdsledky se \u010dasto li\u0161\u00ed, proto\u017ee orientace p\u0159\u00edze a v\u00fdrobn\u00ed proces vytv\u00e1\u0159ej\u00ed v ka\u017ed\u00e9m sm\u011bru jin\u00e9 pevnostn\u00ed charakteristiky.<\/p>\n\n\n\n<p>Pro spolehlivou statistickou anal\u00fdzu v\u011bt\u0161ina laborato\u0159\u00ed testuje nejm\u00e9n\u011b deset vzork\u016f MD a deset vzork\u016f CMD, pokud neexistuj\u00ed historick\u00e9 \u00fadaje o odchylk\u00e1ch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka p\u0159etr\u017een\u00ed geotextilie p\u0159i uchopen\u00ed<\/h2>\n\n\n\n<p>P\u0159i zkou\u0161ce geotextilie na p\u0159etr\u017een\u00ed se hodnot\u00ed maxim\u00e1ln\u00ed s\u00edla, kterou vzorek vydr\u017e\u00ed p\u0159ed p\u0159etr\u017een\u00edm. Zku\u0161ebn\u00ed postup se skl\u00e1d\u00e1 z n\u011bkolika d\u016fle\u017eit\u00fdch krok\u016f:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Udr\u017eujte vzorek p\u0159i teplot\u011b 21 \u00b1 2 \u00b0C a relativn\u00ed vlhkosti 65 \u00b1 5%.<\/li>\n\n\n\n<li>P\u0159ipravte vzorky o rozm\u011brech 101,6 mm \u00d7 203,2 mm.<\/li>\n\n\n\n<li>Nastavte po\u010d\u00e1te\u010dn\u00ed vzd\u00e1lenost \u010delist\u00ed na 75 \u00b1 1 mm.<\/li>\n\n\n\n<li>Pou\u017e\u00edvejte svorky s \u010delistmi o rozm\u011brech 25,4 mm \u00d7 50,8 mm.<\/li>\n\n\n\n<li>Prove\u010fte zkou\u0161ku rychlost\u00ed 300 mm\/min<\/li>\n\n\n\n<li>Zaznamenejte maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed a prodlou\u017een\u00ed<\/li>\n<\/ol>\n\n\n\n<p>Uv\u00e1d\u011bn\u00e9 zat\u00ed\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed by m\u011blo zahrnovat pr\u016fm\u011brnou hodnotu a sm\u011brodatnou odchylku pro sm\u011bry MD i CMD.<\/p>\n\n\n\n<p>Norma rovn\u011b\u017e vy\u017eaduje, aby provozovatel\u00e9 vy\u0159adili neplatn\u00e9 v\u00fdsledky, pokud:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vzorek vklouzne do rukojet\u00ed<\/li>\n\n\n\n<li>K p\u0159eru\u0161en\u00ed doch\u00e1z\u00ed na okraji svorky<\/li>\n\n\n\n<li>Tkanina se vytahuje bez p\u0159etr\u017een\u00ed<\/li>\n\n\n\n<li>V\u00fdsledek se v\u00fdrazn\u011b li\u0161\u00ed od pr\u016fm\u011bru kv\u016fli provozn\u00ed chyb\u011b.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka prodlou\u017een\u00ed geotextilie uchopen\u00edm<\/h2>\n\n\n\n<p>Zkou\u0161ka tahem geotextilie m\u011b\u0159\u00ed prodlou\u017een\u00ed vzorku v okam\u017eiku maxim\u00e1ln\u00edho zat\u00ed\u017een\u00ed. Prodlou\u017een\u00ed poskytuje d\u016fle\u017eit\u00e9 informace o pru\u017enosti a deforma\u010dn\u00edm chov\u00e1n\u00ed materi\u00e1lu.<\/p>\n\n\n\n<p>Vysok\u00e9 prodlou\u017een\u00ed m\u016f\u017ee nazna\u010dovat, \u017ee geotextilie m\u016f\u017ee absorbovat v\u011bt\u0161\u00ed deformaci, ne\u017e dojde k jej\u00edmu selh\u00e1n\u00ed. N\u00edzk\u00e9 prodlou\u017een\u00ed m\u016f\u017ee nazna\u010dovat tu\u017e\u0161\u00ed strukturu s omezen\u00fdm rozta\u017een\u00edm. In\u017een\u00fd\u0159i \u010dasto hodnot\u00ed prodlou\u017een\u00ed spole\u010dn\u011b s mezn\u00edm zat\u00ed\u017een\u00edm, proto\u017ee pevn\u00e1 tkanina se \u0161patnou charakteristikou prodlou\u017een\u00ed nemus\u00ed dob\u0159e fungovat v aplikac\u00edch zahrnuj\u00edc\u00edch pohyb, usazov\u00e1n\u00ed nebo opakovan\u00e9 zat\u011b\u017eov\u00e1n\u00ed.<\/p>\n\n\n\n<p>Norma ASTM D4632 vy\u017eaduje, aby laborato\u0159 zaznamen\u00e1vala:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odd\u011blen\u00ed \u00fachopu p\u0159i maxim\u00e1ln\u00edm zat\u00ed\u017een\u00ed<\/li>\n\n\n\n<li>Zat\u00ed\u017een\u00ed p\u0159i kone\u010dn\u00e9m p\u0159eru\u0161en\u00ed<\/li>\n\n\n\n<li>Odd\u011blen\u00ed \u00fachopu p\u0159i posledn\u00edm zlomu<\/li>\n\n\n\n<li>Pr\u016fm\u011brn\u00e9 prodlou\u017een\u00ed pro MD a CMD<\/li>\n\n\n\n<li>Sm\u011brodatn\u00e1 odchylka pro ka\u017ed\u00fd sm\u011br<\/li>\n<\/ul>\n\n\n\n<p>Tyto hodnoty pom\u00e1haj\u00ed u\u017eivatel\u016fm porovn\u00e1vat v\u00fdrobky od r\u016fzn\u00fdch dodavatel\u016f a identifikovat probl\u00e9my s konzistenc\u00ed b\u011bhem v\u00fdroby.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zku\u0161ebn\u00ed stroj CRE pro ASTM D4632<\/h2>\n\n\n\n<p>Pro zkou\u0161ku podle normy ASTM D4632 se up\u0159ednost\u0148uje tahov\u00fd stroj CRE, proto\u017ee poskytuje p\u0159esn\u011bj\u0161\u00ed a opakovateln\u011bj\u0161\u00ed kontrolu rozta\u017een\u00ed ne\u017e syst\u00e9my CRT. V p\u0159\u00edpad\u011b spor\u016f mezi laborato\u0159emi m\u00e1 p\u0159ednost metoda CRE.<\/p>\n\n\n\n<p>Vhodn\u00fd tahov\u00fd tester podle normy ASTM D4632 by m\u011bl poskytovat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stabiln\u00ed regulace rychlosti<\/li>\n\n\n\n<li>P\u0159esn\u00e9 m\u011b\u0159en\u00ed posunu<\/li>\n\n\n\n<li>Flexibiln\u00ed mo\u017enosti uchopen\u00ed<\/li>\n\n\n\n<li>K\u0159ivky zat\u00ed\u017een\u00ed a rozta\u017een\u00ed v re\u00e1ln\u00e9m \u010dase<\/li>\n\n\n\n<li>Statistick\u00e9 v\u00fdpo\u010detn\u00ed funkce<\/li>\n\n\n\n<li>Hl\u00e1\u0161en\u00ed \u0161pi\u010dkov\u00e9ho zat\u00ed\u017een\u00ed a prodlou\u017een\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Spole\u010dnost Cell Instruments doporu\u010duje pro aplikace podle normy ASTM D4632 tahov\u00fd tester TST-01. P\u0159\u00edstroj podporuje zku\u0161ebn\u00ed rychlosti od 1 do 500 mm\/min, co\u017e snadno spl\u0148uje po\u017eadavek normy na 300 mm\/min. D\u00edky \u0159\u00eddic\u00edmu syst\u00e9mu \u0159\u00edzen\u00e9mu PLC, rozhran\u00ed se 7palcovou dotykovou obrazovkou, p\u0159esn\u00e9mu kuli\u010dkov\u00e9mu \u0161roubu a p\u0159izp\u016fsobiteln\u00fdm \u00fachyt\u016fm je vhodn\u00fd pro tkan\u00e9 geotextilie, netkan\u00e9 geotextilie, vyztu\u017een\u00e9 textilie a dal\u0161\u00ed pr\u016fmyslov\u00e9 materi\u00e1ly.<\/p>\n\n\n\n<p>TST-01 m\u016f\u017ee podporovat i dal\u0161\u00ed souvisej\u00edc\u00ed tahov\u00e9 a pr\u016frazov\u00e9 metody, co\u017e laborato\u0159\u00edm umo\u017e\u0148uje roz\u0161\u00ed\u0159it mo\u017enosti testov\u00e1n\u00ed geotextili\u00ed bez nutnosti investovat do v\u00edce stroj\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u016fle\u017eit\u00e9 po\u017eadavky na p\u0159\u00edpravu vzork\u016f<\/h2>\n\n\n\n<p>Spr\u00e1vn\u00e1 p\u0159\u00edprava vzorku m\u00e1 p\u0159\u00edm\u00fd vliv na p\u0159esnost testu. Norma ASTM D4632 doporu\u010duje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>St\u0159\u00edh\u00e1n\u00ed vzork\u016f ve vzd\u00e1lenosti nejm\u00e9n\u011b 150 mm od okraje tkaniny nebo 1\/10 \u0161\u00ed\u0159ky tkaniny.<\/li>\n\n\n\n<li>Pou\u017eit\u00ed r\u016fzn\u00fdch poloh osnovn\u00ed a v\u00fdpl\u0148ov\u00e9 p\u0159\u00edze pro ka\u017ed\u00fd vzorek<\/li>\n\n\n\n<li>Vyrovn\u00e1n\u00ed dlouh\u00e9ho rozm\u011bru vzorku se sm\u011brem zkou\u0161ky<\/li>\n\n\n\n<li>Pe\u010dliv\u00e9 zna\u010den\u00ed tkan\u00fdch vzork\u016f pro zachov\u00e1n\u00ed vyrovnanosti p\u0159\u00edze<\/li>\n\n\n\n<li>Kondicionov\u00e1n\u00ed vzork\u016f po dobu nejm\u00e9n\u011b 24 hodin p\u0159ed testov\u00e1n\u00edm.<\/li>\n<\/ul>\n\n\n\n<p>P\u0159i zkou\u0161k\u00e1ch za mokra by m\u011bli pracovn\u00edci pono\u0159it vzorky do vody o teplot\u011b 21 \u00b1 2 \u00b0C na dobu nejm\u00e9n\u011b dvou minut. N\u011bkter\u00e9 materi\u00e1ly mohou k dosa\u017een\u00ed \u00fapln\u00e9ho smo\u010den\u00ed vy\u017eadovat del\u0161\u00ed dobu nam\u00e1\u010den\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je norma ASTM D4632 d\u016fle\u017eit\u00e1 pro kontrolu kvality<\/h2>\n\n\n\n<p>Norma ASTM D4632 poskytuje praktick\u00fd a opakovateln\u00fd zp\u016fsob porovn\u00e1v\u00e1n\u00ed pevnosti a prodlou\u017een\u00ed geotextili\u00ed. Pom\u00e1h\u00e1 v\u00fdrobc\u016fm udr\u017eovat konzistenci v\u00fdrobk\u016f a kupuj\u00edc\u00edm ov\u011b\u0159ovat kvalitu dod\u00e1vek.<\/p>\n\n\n\n<p>Metoda je u\u017eite\u010dn\u00e1 zejm\u00e9na pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kontrola kvality v\u00fdroby<\/li>\n\n\n\n<li>Kontrola vstupn\u00edch surovin<\/li>\n\n\n\n<li>V\u00fdvoj produktu<\/li>\n\n\n\n<li>P\u0159ijet\u00ed obchodn\u00ed z\u00e1silky<\/li>\n\n\n\n<li>Srovn\u00e1n\u00ed dodavatel\u016f<\/li>\n\n\n\n<li>\u0158e\u0161en\u00ed spor\u016f mezi laborato\u0159emi<\/li>\n<\/ul>\n\n\n\n<p>Vzhledem k tomu, \u017ee test simuluje vliv okoln\u00edch vl\u00e1ken, poskytuje \u010dasto lep\u0161\u00ed reprezentaci skute\u010dn\u00e9 v\u00fdkonnosti v ter\u00e9nu ne\u017e testov\u00e1n\u00ed p\u00e1s\u016f v cel\u00e9 \u0161\u00ed\u0159ce.<\/p>\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 se pou\u017e\u00edv\u00e1 norma ASTM D4632?<\/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>Norma ASTM D4632 m\u011b\u0159\u00ed zat\u00ed\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed a prodlou\u017een\u00ed geotextili\u00ed pro kontrolu kvality, porovn\u00e1n\u00ed v\u00fdrobk\u016f a p\u0159ej\u00edmac\u00ed zkou\u0161ky.<\/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\">Jakou velikost vzorku vy\u017eaduje norma ASTM D4632?<\/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>Norma vy\u017eaduje velikost vzorku 101,6 mm \u00d7 203,2 mm.<\/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\">Jakou velikost \u010delist\u00ed uv\u00e1d\u00ed norma ASTM D4632?<\/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>\u010celn\u00ed plocha \u010delist\u00ed svorky by m\u011bla m\u00edt rozm\u011bry 25,4 mm \u00d7 50,8 mm.<\/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\">Jak\u00e1 je po\u017eadovan\u00e1 zku\u0161ebn\u00ed rychlost podle normy ASTM D4632?<\/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>Zku\u0161ebn\u00ed rychlost by m\u011bla b\u00fdt 300 mm\/min.<\/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\">Lze podle normy ASTM D4632 zkou\u0161et mokr\u00e9 vzorky?<\/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>Ano. <a href=\"https:\/\/store.astm.org\/d4632_d4632m-15ar23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4632<\/a> obsahuje postupy pro such\u00e9 i mokr\u00e9 zku\u0161ebn\u00ed podm\u00ednky.<\/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-6&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-6-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-6\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Pro\u010d se up\u0159ednost\u0148uje tahov\u00fd zku\u0161ebn\u00ed stroj CRE?<\/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-6\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-6-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Tahov\u00fd stroj CRE poskytuje p\u0159esn\u011bj\u0161\u00ed kontrolu rozta\u017een\u00ed a konzistentn\u011bj\u0161\u00ed v\u00fdsledky ne\u017e stroj CRT.<\/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-7&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-7-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-7\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Co je p\u0159\u00ed\u010dinou neplatn\u00fdch v\u00fdsledk\u016f test\u016f?<\/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-7\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-7-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Skluz svorky, p\u0159eru\u0161en\u00ed okraje, vyta\u017een\u00ed l\u00e1tky a abnorm\u00e1ln\u011b n\u00edzk\u00e9 hodnoty zp\u016fsoben\u00e9 chybou obsluhy mohou zp\u016fsobit neplatnost v\u00fdsledku.<\/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-8&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-8-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-8\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Kolik vzork\u016f by se m\u011blo testovat?<\/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-8\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-8-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>V\u011bt\u0161ina laborato\u0159\u00ed zkou\u0161\u00ed deset vzork\u016f ve sm\u011bru stroje a deset vzork\u016f ve sm\u011bru k\u0159\u00ed\u017ee stroje, pokud nejsou k dispozici historick\u00e9 \u00fadaje o odchylk\u00e1ch.<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Norma ASTM D4632 hodnot\u00ed zat\u00ed\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed a prodlou\u017een\u00ed geotextili\u00ed uchopen\u00edm pouze \u010d\u00e1sti \u0161\u00ed\u0159ky vzorku b\u011bhem zat\u011b\u017eov\u00e1n\u00ed v tahu. Metoda pom\u00e1h\u00e1 laborato\u0159\u00edm a v\u00fdrobc\u016fm posoudit \u00fa\u010dinnou pevnost tkaniny, porovnat v\u00fdrobky, kontrolovat kvalitu v\u00fdroby a ov\u011b\u0159it p\u0159evzet\u00ed dod\u00e1vky.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[56],"class_list":["post-1095","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/standard\/1095","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=1095"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/standard-category?post=1095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}