{"id":9866,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d5884\/"},"modified":"2026-03-12T11:11:24","modified_gmt":"2026-03-12T03:11:24","slug":"astm-d5884","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/astm-d5884\/","title":{"rendered":"ASTM D5884"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Pevnost geomembr\u00e1n v tahu, metoda trh\u00e1n\u00ed jazykem, pevnost v tahu p\u0159i p\u0159etr\u017een\u00ed<\/h2>\n\n\n\n<p>Testov\u00e1n\u00ed <strong data-start=\"1221\" data-end=\"1254\">pevnost geomembr\u00e1n v roztr\u017een\u00ed<\/strong> pom\u00e1h\u00e1 in\u017een\u00fdr\u016fm pochopit, jak se vyztu\u017een\u00e1 membr\u00e1na chov\u00e1, kdy\u017e mechanick\u00e9 nam\u00e1h\u00e1n\u00ed iniciuje jej\u00ed roztr\u017een\u00ed. Norma ASTM D5884 p\u0159ej\u00edm\u00e1 <strong data-start=\"1379\" data-end=\"1401\">metoda trh\u00e1n\u00ed jazyka<\/strong>, co\u017e nut\u00ed k vyhodnocen\u00ed kontrolovan\u00e9 dr\u00e1hy trh\u00e1n\u00ed. <strong data-start=\"1451\" data-end=\"1476\">pevnost v tahu p\u0159i p\u0159etr\u017een\u00ed<\/strong> p\u0159i \u0161\u00ed\u0159en\u00ed \u0159ezu. Proto\u017ee se r\u016fzn\u00e9 struktury v\u00fdztu\u017ee chovaj\u00ed p\u0159i zat\u00ed\u017een\u00ed r\u016fzn\u011b, umo\u017e\u0148uje tato metoda spravedliv\u00e9 porovn\u00e1n\u00ed v r\u016fzn\u00fdch sm\u011brech stroje a nap\u0159\u00ed\u010d stroji.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00da\u010del a technick\u00fd v\u00fdznam normy ASTM D5884<\/h2>\n\n\n\n<p>Norma ASTM D5884 se zam\u011b\u0159uje na odolnost materi\u00e1lu proti \u0161\u00ed\u0159en\u00ed trhlin, co\u017e je z\u00e1sadn\u00ed pro p\u0159edpov\u011b\u010f toho, jak membr\u00e1na zvl\u00e1dne nam\u00e1h\u00e1n\u00ed p\u0159i manipulaci, n\u00e1raz p\u0159i instalaci nebo lok\u00e1ln\u00ed po\u0161kozen\u00ed. A\u010dkoli odolnost proti roztr\u017een\u00ed se p\u0159\u00edmo nerovn\u00e1 trvanlivosti v ter\u00e9nu, metoda poskytuje cenn\u00e9 informace o relativn\u00ed hou\u017eevnatosti v\u00fdztu\u017en\u00fdch textili\u00ed.<\/p>\n\n\n\n<p>Mezi kl\u00ed\u010dov\u00e1 pou\u017eit\u00ed pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Charakteristika \u00fa\u010dinnosti v\u00fdztu\u017ee<\/li>\n\n\n\n<li>Porovn\u00e1n\u00ed v\u00fdkonnosti jednotliv\u00fdch konstrukc\u00ed geomembr\u00e1n<\/li>\n\n\n\n<li>Sledov\u00e1n\u00ed konzistence v\u00fdroby<\/li>\n\n\n\n<li>Podpora dodr\u017eov\u00e1n\u00ed specifikac\u00ed a rozhodov\u00e1n\u00ed o zad\u00e1v\u00e1n\u00ed ve\u0159ejn\u00fdch zak\u00e1zek<\/li>\n<\/ul>\n\n\n\n<p>D\u00edky zachov\u00e1n\u00ed jednotn\u00fdch zku\u0161ebn\u00edch podm\u00ednek - geometrie \u0159ezu, rychlost deformace, vzd\u00e1lenost sev\u0159en\u00ed a vzd\u00e1lenost \u0161\u00ed\u0159en\u00ed - norma minimalizuje vn\u011bj\u0161\u00ed vlivy a zlep\u0161uje opakovatelnost zkou\u0161ky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak funguje test ASTM D5884<\/h2>\n\n\n\n<p>Zku\u0161ebn\u00ed vzorek je p\u0159ipraven s centr\u00e1ln\u00ed \u0161t\u011brbinou, kter\u00e1 tvo\u0159\u00ed dva jazyky, kter\u00e9 se p\u0159i zkou\u0161ce roztahuj\u00ed. Vzorek se pe\u010dliv\u011b vyrovn\u00e1, aby dr\u00e1ha trh\u00e1n\u00ed z\u016fstala konzistentn\u00ed. Zku\u0161ebn\u00ed stroj p\u016fsob\u00ed tahem p\u0159i <strong data-start=\"2699\" data-end=\"2716\">50 \u00b1 2 mm\/min<\/strong>, a trhlina postupuje nap\u0159\u00ed\u010d vzorkem a\u017e do selh\u00e1n\u00ed.<\/p>\n\n\n\n<p>The <strong data-start=\"2782\" data-end=\"2796\">\u0161pi\u010dkov\u00e1 s\u00edla<\/strong> zaznamenan\u00e1 b\u011bhem \u0161\u00ed\u0159en\u00ed je definov\u00e1na jako pevnost v tahu. Norma ASTM D5884 vy\u017eaduje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u011bt exempl\u00e1\u0159\u016f v <strong data-start=\"2907\" data-end=\"2928\">sm\u011br stroje<\/strong><\/li>\n\n\n\n<li>P\u011bt exempl\u00e1\u0159\u016f v <strong data-start=\"2955\" data-end=\"2982\">sm\u011br nap\u0159\u00ed\u010d stroji<\/strong><\/li>\n\n\n\n<li>Statistick\u00e9 v\u00fdstupy v\u010detn\u011b pr\u016fm\u011bru, sm\u011brodatn\u00e9 odchylky a varia\u010dn\u00edho koeficientu.<\/li>\n<\/ul>\n\n\n\n<p>Ka\u017ed\u00fd vzorek, kter\u00fd se roztrhne mimo zam\u00fd\u0161lenou dr\u00e1hu \u0159ezu nebo se nadm\u011brn\u011b odchyluje od st\u0159edn\u00ed hodnoty vzorku, mus\u00ed b\u00fdt vym\u011bn\u011bn, aby byla zachov\u00e1na integrita dat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 faktory ovliv\u0148uj\u00edc\u00ed v\u00fdsledky test\u016f<\/h2>\n\n\n\n<p>P\u0159esn\u00e9 v\u00fdsledky podle normy ASTM D5884 z\u00e1vis\u00ed na n\u011bkolika kontrolovan\u00fdch prom\u011bnn\u00fdch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typ a hustota v\u00fdztu\u017ee<\/li>\n\n\n\n<li>Tlou\u0161\u0165ka membr\u00e1ny<\/li>\n\n\n\n<li>Konzistentn\u00ed rychlost deformace<\/li>\n\n\n\n<li>Spr\u00e1vn\u00e9 \u0159ez\u00e1n\u00ed a vyrovn\u00e1n\u00ed vzork\u016f<\/li>\n\n\n\n<li>Stabilita \u00fachopu a mechanick\u00e1 p\u0159esnost<\/li>\n<\/ul>\n\n\n\n<p>Stroj, kter\u00fd nem\u00e1 stabiln\u00ed posun nebo p\u0159esnou regulaci ot\u00e1\u010dek, m\u016f\u017ee m\u00edt \u0161patnou reprodukovatelnost. Proto laborato\u0159e vyu\u017e\u00edvaj\u00ed testovac\u00ed za\u0159\u00edzen\u00ed profesion\u00e1ln\u00ed \u00farovn\u011b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdb\u011br spr\u00e1vn\u00e9 tahov\u00e9 zkou\u0161ky od spole\u010dnosti Cell Instruments<\/h2>\n\n\n\n<p>The <strong data-start=\"3754\" data-end=\"3796\">Cell Instruments TST-01 Zkou\u0161e\u010dka pevnosti v tahu<\/strong> poskytuje p\u0159esnost po\u017eadovanou normou ASTM D5884. Jeho <strong data-start=\"3848\" data-end=\"3877\">p\u0159esn\u00fd kuli\u010dkov\u00fd vodic\u00ed \u0161roub<\/strong>, <strong data-start=\"3879\" data-end=\"3912\">P\u0159esnost posunu 0,01 mm<\/strong>a <strong data-start=\"3918\" data-end=\"3946\">Rozsah rychlosti 1-500 mm\/min<\/strong> umo\u017e\u0148uj\u00ed p\u0159esnou kontrolu \u0161\u00ed\u0159en\u00ed trhlin. Vyztu\u017een\u00e9 geomembr\u00e1ny \u010dasto vy\u017eaduj\u00ed stabiln\u00ed uchopen\u00ed a rovnom\u011brn\u00e9 rozlo\u017een\u00ed zat\u00ed\u017een\u00ed a TST-01 to podporuje d\u00edky p\u0159izp\u016fsobiteln\u00fdm \u00fachyt\u016fm a tuhosti pr\u016fmyslov\u00e9 t\u0159\u00eddy.<\/p>\n\n\n\n<p>Mezi dal\u0161\u00ed v\u00fdhody pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u0159ivky s\u00edla-posun v re\u00e1ln\u00e9m \u010dase<\/li>\n\n\n\n<li>Snadn\u00e9 nastaven\u00ed programu pro zkou\u0161ky trh\u00e1n\u00ed, odlupov\u00e1n\u00ed, tahu a pr\u016frazu<\/li>\n\n\n\n<li>Spolehliv\u00fd v\u00fdkon d\u00e1vkov\u00e9ho testov\u00e1n\u00ed<\/li>\n\n\n\n<li>Rychl\u00e1 v\u00fdm\u011bna p\u0159\u00edpravk\u016f pro laborato\u0159e s v\u00edce materi\u00e1ly<\/li>\n<\/ul>\n\n\n\n<p>D\u00edky tomu je TST-01 vhodn\u00fdm \u0159e\u0161en\u00edm pro v\u00fdrobce geomembr\u00e1n, laborato\u0159e kontroly kvality a v\u00fdzkumn\u00e9 \u00fastavy, kter\u00e9 vy\u017eaduj\u00ed spolehlivou shodu s normou ASTM D5884 a dal\u0161\u00edmi mechanick\u00fdmi zku\u0161ebn\u00edmi normami.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010cast\u00e9 dotazy t\u00fdkaj\u00edc\u00ed se normy ASTM D5884<\/h2>\n\n\n\n<p><a tabindex=\"0\">Co m\u011b\u0159\u00ed norma ASTM D5884?<\/a><br>Norma ASTM D5884 m\u011b\u0159\u00ed pevnost vyztu\u017een\u00fdch geomembr\u00e1n v roztr\u017een\u00ed pomoc\u00ed metody \u0159\u00edzen\u00e9ho odtr\u017een\u00ed jazyka. Ur\u010duje \u0161pi\u010dkovou s\u00edlu pot\u0159ebnou k tomu, aby se trhlina \u0161\u00ed\u0159ila nap\u0159\u00ed\u010d zku\u0161ebn\u00edm vzorkem.<\/p>\n\n\n\n<p><a tabindex=\"0\">Pro\u010d je pro geomembr\u00e1ny d\u016fle\u017eit\u00e1 pevnost v roztr\u017een\u00ed?<\/a><br>Pevnost v tahu ud\u00e1v\u00e1, jak dob\u0159e membr\u00e1na odol\u00e1v\u00e1 lokalizovan\u00e9mu po\u0161kozen\u00ed. Materi\u00e1l s vysokou odolnost\u00ed proti roztr\u017een\u00ed je spolehliv\u011bj\u0161\u00ed p\u0159i instalaci, manipulaci a dlouhodob\u00e9m p\u016fsoben\u00ed prost\u0159ed\u00ed.<\/p>\n\n\n\n<p><a tabindex=\"0\">Jak\u00fd typ geomembr\u00e1n plat\u00ed podle normy ASTM D5884?<\/a><br>Metoda se vztahuje zejm\u00e9na na <strong data-start=\"5744\" data-end=\"5782\">vnit\u0159n\u011b vyztu\u017een\u00e9 geomembr\u00e1ny<\/strong>, kter\u00e9 obsahuj\u00ed textilie nebo st\u011brky pro zv\u00fd\u0161en\u00ed mechanick\u00e9 pevnosti.<\/p>\n\n\n\n<p><a tabindex=\"0\">Jak\u00e1 je po\u017eadovan\u00e1 rychlost testov\u00e1n\u00ed?<\/a><br>Norma ASTM D5884 vy\u017eaduje, aby byl vzorek vyta\u017een p\u0159i <strong data-start=\"5941\" data-end=\"5958\">50 \u00b1 2 mm\/min<\/strong> k zaji\u0161t\u011bn\u00ed konzistentn\u00edho \u0161\u00ed\u0159en\u00ed slz a srovnateln\u00fdch v\u00fdsledk\u016f v r\u016fzn\u00fdch laborato\u0159\u00edch.<\/p>\n\n\n\n<p><a tabindex=\"0\">Kolik vzork\u016f je pot\u0159eba?<\/a><br>Norma vy\u017eaduje <strong data-start=\"6099\" data-end=\"6117\">p\u011bt exempl\u00e1\u0159\u016f<\/strong> v ka\u017ed\u00e9m sm\u011bru - strojn\u00edm a p\u0159\u00ed\u010dn\u00e9m - pro v\u00fdpo\u010det pr\u016fm\u011brn\u00e9 pevnosti v tahu a variability.<\/p>\n\n\n\n<p><a tabindex=\"0\">Co kdy\u017e trhlina nesleduje dr\u00e1hu \u0159ezu?<\/a><br>Vzorek mus\u00ed b\u00fdt vy\u0159azen a nahrazen nov\u00fdm. Roztr\u017een\u00ed mimo dr\u00e1hu nazna\u010duje nespr\u00e1vn\u00e9 \u0159ez\u00e1n\u00ed, \u0161patn\u00e9 nastaven\u00ed nebo nerovnom\u011brn\u00e9 vyztu\u017een\u00ed.<\/p>\n\n\n\n<p><a tabindex=\"0\">Kter\u00e9 za\u0159\u00edzen\u00ed je vhodn\u00e9 pro ASTM D5884?<\/a><br>Z\u00e1sadn\u00ed je tahov\u00fd tester se stabiln\u00edm \u0159\u00edzen\u00edm posunu, p\u0159esnou rychlost\u00ed a spr\u00e1vn\u00fdm uchopen\u00edm. Na str\u00e1nk\u00e1ch . <strong data-start=\"6551\" data-end=\"6578\">Cell Instruments TST-01<\/strong> je vynikaj\u00edc\u00ed volbou d\u00edky sv\u00e9 p\u0159esn\u00e9 mechanice a konfigurovateln\u00fdm p\u0159\u00edpravk\u016fm pro testov\u00e1n\u00ed na roztr\u017een\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tKontaktujte n\u00e1s Z\u00edskejte \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed podle normy ASTM D5884\t\t\t\t<\/h2>\n\n\n\n<p><a href=\"https:\/\/store.astm.org\/d5884_d5884m-23.html?_gl=1*1gu22vd*_gcl_aw*R0NMLjE3NjM5NDU0OTkuQ2p3S0NBaUFfb3JKQmhCTkVpd0FCa2Rtakl1ZUdDLXhVaVVDQU1pc3U5M0dSc2ZVWDRaaHlCeEV1UjBVYzR3UkpsOU11NUVQbzJpQjFob0NabFFRQXZEX0J3RQ..*_gcl_au*MTIwMjYzMjg5OS4xNzU4MDAzNDE5\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D5884<\/a> poskytuje spolehliv\u00fd r\u00e1mec pro m\u011b\u0159en\u00ed pevnosti vyztu\u017een\u00fdch geomembr\u00e1n v tahu pomoc\u00ed metody \u0159\u00edzen\u00e9ho trh\u00e1n\u00ed jazykem. Test pom\u00e1h\u00e1 v\u00fdrobc\u016fm a t\u00fdm\u016fm kontroly kvality pochopit, jak vyztu\u017euj\u00edc\u00ed textilie ovliv\u0148uj\u00ed chov\u00e1n\u00ed p\u0159i trh\u00e1n\u00ed, a podporuje v\u00fdb\u011br materi\u00e1lu, validaci v\u00fdrobku a sledov\u00e1n\u00ed v\u00fdroby. D\u00edky p\u0159esn\u00e9mu vybaven\u00ed, jako je nap\u0159. <strong data-start=\"4978\" data-end=\"5003\">Zkou\u0161e\u010dka tahu TST-01<\/strong>, mohou laborato\u0159e dos\u00e1hnout stabiln\u00edch a opakovateln\u00fdch v\u00fdsledk\u016f, kter\u00e9 spl\u0148uj\u00ed mezin\u00e1rodn\u00ed o\u010dek\u00e1v\u00e1n\u00ed v oblasti hodnocen\u00ed vlastnost\u00ed geomembr\u00e1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pevnost geomembr\u00e1n v tahu, metoda trh\u00e1n\u00ed jazykem, pevnost v tahu Zkou\u0161en\u00ed pevnosti geomembr\u00e1n v tahu pom\u00e1h\u00e1 in\u017een\u00fdr\u016fm pochopit, jak se vyztu\u017een\u00e1 membr\u00e1na chov\u00e1, kdy\u017e mechanick\u00e9 nam\u00e1h\u00e1n\u00ed iniciuje trh\u00e1n\u00ed. Norma ASTM D5884 pou\u017e\u00edv\u00e1 metodu trh\u00e1n\u00ed jazykem, kter\u00e1 vynucuje kontrolovanou dr\u00e1hu trh\u00e1n\u00ed, aby bylo mo\u017en\u00e9 vyhodnotit pevnost v tahu p\u0159i \u0161\u00ed\u0159en\u00ed \u0159ezu. Proto\u017ee se r\u016fzn\u00e9 struktury v\u00fdztu\u017ee chovaj\u00ed r\u016fzn\u011b, je mo\u017en\u00e9 [...]<\/p>","protected":false},"featured_media":8459,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"standard-category":[],"class_list":["post-9866","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/9866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media\/8459"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9866"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=9866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}