{"id":705,"date":"2026-02-27T08:06:35","date_gmt":"2026-02-27T08:06:35","guid":{"rendered":"https:\/\/www.teartester.com\/?post_type=standard&#038;p=705"},"modified":"2026-02-27T08:10:40","modified_gmt":"2026-02-27T08:10:40","slug":"astm-d5884","status":"publish","type":"standard","link":"https:\/\/www.teartester.com\/cs\/standard\/astm-d5884\/","title":{"rendered":"ASTM D5884"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Pevnost geomembr\u00e1n v tahu a pro\u010d je d\u016fle\u017eit\u00e1 norma ASTM D5884<\/h2>\n\n\n\n<p>Pokud se geomembr\u00e1ny setkaj\u00ed s nap\u011bt\u00edm p\u0159i pokl\u00e1dce, ostr\u00fdmi hranami nebo rozd\u00edln\u00fdm sed\u00e1n\u00edm, m\u016f\u017ee doj\u00edt k jejich lok\u00e1ln\u00edmu po\u0161kozen\u00ed. <strong>Pevnost geomembr\u00e1n p\u0159i p\u0159etr\u017een\u00ed<\/strong> p\u0159\u00edmo ovliv\u0148uje \u017eivotnost a bezpe\u010dnost. Norma ASTM D5884 hraje kl\u00ed\u010dovou roli p\u0159i kvantifikaci tohoto chov\u00e1n\u00ed t\u00edm, \u017ee zaji\u0161\u0165uje m\u011b\u0159en\u00ed odolnosti proti roztr\u017een\u00ed ve standardizovan\u00e9m prost\u0159ed\u00ed.<\/p>\n\n\n\n<p>Tato metoda umo\u017e\u0148uje nahl\u00e9dnout do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rozd\u00edly v typu v\u00fdztu\u017en\u00e9 tkaniny<\/li>\n\n\n\n<li>Rozd\u00edly ve v\u00fdkonnosti mezi jednotliv\u00fdmi sm\u011bry (MD a CMD)<\/li>\n\n\n\n<li>Maxim\u00e1ln\u00ed s\u00edla odporu p\u0159ed roz\u0161\u00ed\u0159en\u00edm trhliny<\/li>\n\n\n\n<li>Srovn\u00e1n\u00ed \u017eivotnosti geomembr\u00e1nov\u00fdch v\u00fdrobk\u016f<\/li>\n<\/ul>\n\n\n\n<p>Takov\u00e1 data pom\u00e1haj\u00ed projektov\u00fdm t\u00fdm\u016fm kontrolovat rizika v aplikac\u00edch, jako jsou skl\u00e1dky, \u010di\u0161t\u011bn\u00ed odpadn\u00edch vod, t\u011b\u017eebn\u00ed podlo\u017eky a sekund\u00e1rn\u00ed kontejnment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vysv\u011btlen\u00ed postupu testu trh\u00e1n\u00ed jazyka<\/h2>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <strong>test trh\u00e1n\u00ed jazyka<\/strong> podle normy ASTM D5884 se pou\u017e\u00edv\u00e1 p\u0159ed\u0159ezan\u00fd vzorek, kter\u00fd vytv\u00e1\u0159\u00ed dva \u201cjazyky\u201d, je\u017e jsou ta\u017eeny v opa\u010dn\u00fdch sm\u011brech. Tato konfigurace soust\u0159e\u010fuje nap\u011bt\u00ed na \u0161pi\u010dce \u0159ezu a podporuje \u0161\u00ed\u0159en\u00ed trhliny.<\/p>\n\n\n\n<p>Kl\u00ed\u010dov\u00e9 kroky zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vyst\u0159ed\u011bn\u00ed vzorku tak, aby ka\u017ed\u00fd jaz\u00fd\u010dek l\u00edcoval s up\u00ednac\u00edmi \u010delistmi.<\/li>\n\n\n\n<li>Zachov\u00e1n\u00ed vzd\u00e1lenosti mezi \u00fachyty 75 mm pro vytvo\u0159en\u00ed konzistentn\u00ed dr\u00e1hy zat\u00ed\u017een\u00ed.<\/li>\n\n\n\n<li>Proveden\u00ed zkou\u0161ky rychlost\u00ed 50 \u00b1 2 mm\/min pro zachov\u00e1n\u00ed srovnateln\u00e9 rychlosti deformace.<\/li>\n\n\n\n<li>Zaznamenejte s\u00edlu pot\u0159ebnou k prodlou\u017een\u00ed trhliny o 75-100 mm skrz membr\u00e1nu.<\/li>\n<\/ul>\n\n\n\n<p>Pokud se vzorek roztrhne mimo osu nebo vykazuje abnorm\u00e1ln\u00ed hodnoty, je t\u0159eba jej vy\u0159adit a vym\u011bnit.<br>\u0160pi\u010dkov\u00e9 zat\u00ed\u017een\u00ed pozorovan\u00e9 p\u0159i odd\u011blov\u00e1n\u00ed jazyk\u016f p\u0159edstavuje materi\u00e1lovou <strong>pevnost v tahu p\u0159i p\u0159etr\u017een\u00ed<\/strong>.<\/p>\n\n\n\n<p>Tato metoda umo\u017e\u0148uje laborato\u0159\u00edm stanovit pr\u016fm\u011brnou pevnost v tahu na z\u00e1klad\u011b v\u00edce vzork\u016f, obvykle p\u011bti v ka\u017ed\u00e9m prim\u00e1rn\u00edm sm\u011bru, co\u017e zvy\u0161uje statistickou spolehlivost.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u011b\u0159en\u00ed pevnosti v tahu pro vyztu\u017een\u00e9 geomembr\u00e1ny<\/h2>\n\n\n\n<p><strong>Pevnost v tahu<\/strong> v norm\u011b ASTM D5884 se vztahuje k nejvy\u0161\u0161\u00ed s\u00edle zaznamenan\u00e9 p\u0159i trh\u00e1n\u00ed. Tato hodnota odr\u00e1\u017e\u00ed, jak \u00fa\u010dinn\u011b v\u00fdztu\u017en\u00e1 tkanina a polymern\u00ed matrice spole\u010dn\u011b odol\u00e1vaj\u00ed roztr\u017een\u00ed p\u0159i \u0159\u00edzen\u00e9m nam\u00e1h\u00e1n\u00ed.<\/p>\n\n\n\n<p>P\u0159esn\u00e9 m\u011b\u0159en\u00ed je do zna\u010dn\u00e9 m\u00edry z\u00e1visl\u00e9 na:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stabiln\u00ed rychlost k\u0159\u00ed\u017eov\u00e9 hlavy<\/strong><\/li>\n\n\n\n<li><strong>P\u0159esn\u00e1 p\u0159esnost posunu<\/strong><\/li>\n\n\n\n<li><strong>Spolehliv\u00e9 m\u011b\u0159en\u00ed zat\u00ed\u017een\u00ed v o\u010dek\u00e1van\u00e9m rozsahu<\/strong><\/li>\n\n\n\n<li><strong>Spr\u00e1vn\u011b navr\u017een\u00e9 uchopovac\u00ed mechanismy, kter\u00e9 zabra\u0148uj\u00ed prokluzov\u00e1n\u00ed nebo p\u0159ed\u010dasn\u00e9mu selh\u00e1n\u00ed.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Proto\u017ee geomembr\u00e1ny vyztu\u017een\u00e9 uvnit\u0159 mohou vykazovat velmi odli\u0161n\u00e9 chov\u00e1n\u00ed v z\u00e1vislosti na struktu\u0159e textilie, je pro z\u00edsk\u00e1n\u00ed d\u016fv\u011bryhodn\u00fdch \u00fadaj\u016f nezbytn\u00e9 pou\u017e\u00edt vhodn\u00fd zku\u0161ebn\u00ed syst\u00e9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Doporu\u010den\u00e9 vybaven\u00ed pro testov\u00e1n\u00ed podle normy ASTM D5884<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"369\" height=\"1024\" src=\"https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/02\/ASTM-D5884-Geomembrane-Tearing-Strength-Tongue-Tear-369x1024.webp\" alt=\"ASTM D5884 Pevnost geomembr\u00e1n v tahu a trh\u00e1n\u00ed jazyka\" class=\"wp-image-543\" srcset=\"https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/02\/ASTM-D5884-Geomembrane-Tearing-Strength-Tongue-Tear-369x1024.webp 369w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/02\/ASTM-D5884-Geomembrane-Tearing-Strength-Tongue-Tear-108x300.webp 108w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/02\/ASTM-D5884-Geomembrane-Tearing-Strength-Tongue-Tear-768x2130.webp 768w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/02\/ASTM-D5884-Geomembrane-Tearing-Strength-Tongue-Tear-554x1536.webp 554w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/02\/ASTM-D5884-Geomembrane-Tearing-Strength-Tongue-Tear-738x2048.webp 738w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/02\/ASTM-D5884-Geomembrane-Tearing-Strength-Tongue-Tear-scaled.webp 923w\" sizes=\"(max-width: 369px) 100vw, 369px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Pro laborato\u0159e nebo v\u00fdrobce, kte\u0159\u00ed prov\u00e1d\u011bj\u00ed zkou\u0161ky podle normy ASTM D5884, je vysoce p\u0159esn\u00fd tahov\u00fd zku\u0161ebn\u00ed stroj z\u00e1rukou konzistentn\u00edch a obhajiteln\u00fdch v\u00fdsledk\u016f.<br>Cell Instruments nab\u00edz\u00ed <strong>TST-01 Tahov\u00e1 zkou\u0161e\u010dka<\/strong>, kter\u00fd je d\u00edky sv\u00e9 konstrukci vhodn\u00fd pro normu ASTM D5884:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0160irok\u00fd rozsah s\u00edly (standardn\u011b 0-500 N, voliteln\u011b a\u017e 1 kN)<\/strong> podpora v\u011bt\u0161iny test\u016f trh\u00e1n\u00ed geomembr\u00e1n<\/li>\n\n\n\n<li><strong>Nastaviteln\u00e1 rychlost v rozmez\u00ed 1-500 mm\/min<\/strong>, co\u017e umo\u017e\u0148uje p\u0159esnou regulaci zku\u0161ebn\u00ed rychlosti 50 mm\/min.<\/li>\n\n\n\n<li><strong>P\u0159esnost posunu \u00b10,01 mm<\/strong>, minimalizace variability<\/li>\n\n\n\n<li><strong>Kompatibilita s v\u00edce sv\u00edtidly<\/strong>, umo\u017e\u0148uj\u00edc\u00ed bezpe\u010dn\u00e9 uchopen\u00ed vyztu\u017een\u00fdch geomembr\u00e1n.<\/li>\n\n\n\n<li><strong>Stabiln\u00ed \u0159\u00edzen\u00ed \u0159\u00edzen\u00e9 PLC a zobrazen\u00ed k\u0159ivek v re\u00e1ln\u00e9m \u010dase<\/strong>, co\u017e pom\u00e1h\u00e1 provozovatel\u016fm jasn\u011b sledovat \u0161pi\u010dkov\u00e9 zat\u00ed\u017een\u00ed p\u0159i trh\u00e1n\u00ed.<\/li>\n<\/ul>\n\n\n\n<p>Krom\u011b zkou\u0161ek trh\u00e1n\u00ed podle normy ASTM D5884 p\u0159\u00edstroj podporuje tak\u00e9 zkou\u0161ky pevnosti v tahu, pr\u016frazu, odlupov\u00e1n\u00ed, pevnosti v tmelu a adheze, co\u017e z n\u011bj \u010din\u00ed ide\u00e1ln\u00ed n\u00e1stroj pro laborato\u0159e, kter\u00e9 pracuj\u00ed s kompozitn\u00edmi nebo v\u00edcevrstv\u00fdmi materi\u00e1ly.<\/p>\n\n\n\n<p>Integrac\u00ed takov\u00e9ho za\u0159\u00edzen\u00ed u\u017eivatel\u00e9 zlep\u0161uj\u00ed opakovatelnost test\u016f, sni\u017euj\u00ed vliv obsluhy a dosahuj\u00ed v\u00fdsledk\u016f, kter\u00e9 spl\u0148uj\u00ed jak intern\u00ed po\u017eadavky na kontrolu kvality, tak mezin\u00e1rodn\u00ed po\u017eadavky na shodu.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Aplikace normy ASTM D5884 pro odborn\u00edky v pr\u016fmyslu<\/h2>\n\n\n\n<p>Odborn\u00edci, kte\u0159\u00ed se zab\u00fdvaj\u00ed v\u00fdrobou, instalac\u00ed nebo ov\u011b\u0159ov\u00e1n\u00edm kvality geomembr\u00e1n, se na tuto normu spol\u00e9haj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Porovn\u00e1n\u00ed v\u00fdkonnosti r\u016fzn\u00fdch syst\u00e9m\u016f v\u00fdztu\u017ee<\/li>\n\n\n\n<li>Vyhodnocen\u00ed vhodnosti materi\u00e1lu pro vysoce nam\u00e1han\u00e9 prost\u0159ed\u00ed<\/li>\n\n\n\n<li>Podpora v\u00fdvoje v\u00fdrobk\u016f studiem vlivu struktury tkaniny na chov\u00e1n\u00ed p\u0159i trh\u00e1n\u00ed.<\/li>\n\n\n\n<li>Ov\u011b\u0159te konzistenci \u0161ar\u017e\u00ed a zajist\u011bte, aby ka\u017ed\u00fd svitek spl\u0148oval o\u010dek\u00e1van\u00e9 parametry.<\/li>\n\n\n\n<li>Vytvo\u0159en\u00ed dokumentace pro certifikaci projektu a regula\u010dn\u00ed po\u017eadavky<\/li>\n<\/ul>\n\n\n\n<p>D\u00edky spolehliv\u00e9mu testov\u00e1n\u00ed p\u0159izp\u016fsoben\u00e9mu <a href=\"https:\/\/store.astm.org\/d5884_d5884m-23.html?_gl=1*1lzmqaf*_gcl_aw*R0NMLjE3Njg3ODk3MzcuQ2owS0NRaUFwckxMQmhDTUFSSXNBRURoZFBmZnpaMHVBMGMtdjB4RWdqR0hGSWVCaVZjeTJBM3RfRHV0ajduOVh3QlJuQUVlbGdZOU00TWFBcWlSRUFMd193Y0I.*_gcl_au*MTkwOTY2MzAwNC4xNzY1Nzc5ODUz\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D5884<\/a>, v\u00fdrobci posiluj\u00ed konkurenceschopnost v\u00fdrobk\u016f a laborato\u0159e a in\u017een\u00fdrsk\u00e9 firmy z\u00edsk\u00e1vaj\u00ed jistotu, \u017ee geomembr\u00e1nov\u00e9 syst\u00e9my budou fungovat v re\u00e1ln\u00fdch mechanick\u00fdch podm\u00ednk\u00e1ch.<\/p>\n\n\n\n<p><\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[2],"class_list":["post-705","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard\/705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/media?parent=705"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard-category?post=705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}