{"id":10155,"date":"2026-03-25T14:27:05","date_gmt":"2026-03-25T06:27:05","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10155"},"modified":"2026-03-25T14:27:06","modified_gmt":"2026-03-25T06:27:06","slug":"astm-d4595","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/astm-d4595\/","title":{"rendered":"ASTM D4595"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Zkou\u0161ka tahu geotextilie: Pochopen\u00ed normy ASTM D4595<\/h2>\n\n\n\n<p><strong>ASTM D4595<\/strong> definuje standardizovan\u00fd p\u0159\u00edstup k m\u011b\u0159en\u00ed tahov\u00fdch vlastnost\u00ed geotextili\u00ed pomoc\u00ed \u0161irok\u00e9ho vzorku. Na rozd\u00edl od zkou\u0161ek na \u00fazk\u00fdch p\u00e1sech tato metoda minimalizuje okrajov\u00e9 efekty, jako je \u201cnecking\u201d, a poskytuje v\u00fdsledky, kter\u00e9 l\u00e9pe odr\u00e1\u017eej\u00ed skute\u010dn\u00e9 vlastnosti ve stavebn\u00edch aplikac\u00edch.<\/p>\n\n\n\n<p>Tento <strong>zkou\u0161ka geotextilie v tahu<\/strong> se vztahuje na tkan\u00e9, netkan\u00e9, pleten\u00e9 a vrstven\u00e9 geotextilie. In\u017een\u00fd\u0159i se na n\u011bj spol\u00e9haj\u00ed p\u0159i ur\u010dov\u00e1n\u00ed kl\u00ed\u010dov\u00fdch parametr\u016f, jako jsou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pevnost v tahu<\/strong><\/li>\n\n\n\n<li><strong>Prodlou\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed<\/strong><\/li>\n\n\n\n<li><strong>Po\u010d\u00e1te\u010dn\u00ed a sekan\u010dn\u00ed modul<\/strong><\/li>\n\n\n\n<li><strong>Hou\u017eevnatost p\u0159i zlomen\u00ed<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Tyto vlastnosti jsou nezbytn\u00e9 pro navrhov\u00e1n\u00ed vyztu\u017een\u00fdch zemn\u00edch konstrukc\u00ed, n\u00e1sp\u016f, chodn\u00edk\u016f a syst\u00e9m\u016f stabilizace svah\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka pevnosti v tahu na \u0161\u00ed\u0159ku<\/h2>\n\n\n\n<p>The <strong>zkou\u0161ka pevnosti v tahu na \u0161\u00ed\u0159ku<\/strong> se z\u00e1sadn\u011b li\u0161\u00ed od tradi\u010dn\u00edch p\u00e1sov\u00fdch metod. Nam\u00edsto zkou\u0161en\u00ed \u00fazk\u00e9ho vzorku je v norm\u011b ASTM D4595 stanoven \u0161ir\u0161\u00ed vzorek, aby se sn\u00ed\u017eilo bo\u010dn\u00ed smr\u0161\u0165ov\u00e1n\u00ed b\u011bhem zat\u011b\u017eov\u00e1n\u00ed.<\/p>\n\n\n\n<p><strong>Mezi hlavn\u00ed v\u00fdhody pat\u0159\u00ed:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zlep\u0161en\u00e1 korelace v ter\u00e9nu:<\/strong> V\u00fdsledky p\u0159esn\u011b odpov\u00eddaj\u00ed chov\u00e1n\u00ed geotextilie in-situ<\/li>\n\n\n\n<li><strong>Sn\u00ed\u017een\u00ed koncentrace nap\u011bt\u00ed na hran\u00e1ch:<\/strong> Minimalizuje p\u0159ed\u010dasn\u00e9 selh\u00e1n\u00ed v bl\u00edzkosti \u00fachyt\u016f<\/li>\n\n\n\n<li><strong>Lep\u0161\u00ed zastoupen\u00ed netkan\u00fdch materi\u00e1l\u016f:<\/strong> Zvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 pro geotextilie n\u00e1chyln\u00e9 k deformaci.<\/li>\n<\/ul>\n\n\n\n<p>D\u00edky tomu je norma ASTM D4595 obzvl\u00e1\u0161t\u011b cenn\u00e1 pro <strong>hodnocen\u00ed na \u00farovni n\u00e1vrhu<\/strong>, nejen kontrola kvality.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D4595 \u0160iroko\u00fahl\u00fd postup metody<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. P\u0159\u00edprava vzork\u016f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pou\u017eijte <strong>\u0161iroko\u00fahl\u00e9 vzorky<\/strong> k minimalizaci krku<\/li>\n\n\n\n<li>Kondicionov\u00e1n\u00ed vzork\u016f ve standardn\u00ed laboratorn\u00ed atmosf\u00e9\u0159e<\/li>\n\n\n\n<li>Mokr\u00e9 testov\u00e1n\u00ed je povoleno v r\u00e1mci <strong>20 minut po pono\u0159en\u00ed<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Nastaven\u00ed stroje<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00e9lka m\u011b\u0159idla: <strong>100 \u00b1 3 mm<\/strong><\/li>\n\n\n\n<li>Vyrovn\u00e1n\u00ed vzorku na st\u0159ed a na v\u00fd\u0161ku<\/li>\n\n\n\n<li>Pou\u017e\u00edt <strong>p\u0159edp\u011bt\u00ed \u22641%<\/strong> o\u010dek\u00e1van\u00e9 s\u00edly p\u0159i p\u0159etr\u017een\u00ed<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Proces testov\u00e1n\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Spus\u0165te stroj a p\u016fsobte tahovou silou a\u017e do prasknut\u00ed.<\/li>\n\n\n\n<li>Zaznamenejte <strong>k\u0159ivka s\u00edla-prodlou\u017een\u00ed<\/strong><\/li>\n\n\n\n<li>Vy\u0159azen\u00ed neplatn\u00fdch v\u00fdsledk\u016f (nap\u0159. zlomen\u00ed \u010delisti nebo sklouznut\u00ed)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. D\u016fle\u017eit\u00e1 pozn\u00e1mka<\/h3>\n\n\n\n<p><strong>Zlomen\u00ed \u010delisti do vzd\u00e1lenosti 5 mm od rukojeti<\/strong> mohou b\u00fdt vy\u0159azeny, pokud se v\u00fdrazn\u011b odchyluj\u00ed od pr\u016fm\u011brn\u00fdch v\u00fdsledk\u016f. Pro p\u0159esnost je rozhoduj\u00edc\u00ed spr\u00e1vn\u00e9 upnut\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdpo\u010det tahov\u00fdch vlastnost\u00ed geotextili\u00ed podle normy ASTM D4595<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pevnost v tahu<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Definov\u00e1no jako <strong>maxim\u00e1ln\u00ed s\u00edla na jednotku \u0161\u00ed\u0159ky<\/strong><\/li>\n\n\n\n<li>Vyj\u00e1d\u0159eno v <strong>N\/m<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Prodlou\u017een\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vypo\u010d\u00edt\u00e1 se jako <strong>procentu\u00e1ln\u00ed n\u00e1r\u016fst d\u00e9lky<\/strong><\/li>\n\n\n\n<li>M\u011b\u0159eno p\u0159i p\u0159eru\u0161en\u00ed nebo p\u0159i stanoven\u00fdch \u00farovn\u00edch s\u00edly<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Modul v tahu<\/h3>\n\n\n\n<p>Obsahuje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Po\u010d\u00e1te\u010dn\u00ed modul<\/strong> (ran\u00e1 line\u00e1rn\u00ed oblast)<\/li>\n\n\n\n<li><strong>Modul posunut\u00ed<\/strong><\/li>\n\n\n\n<li><strong>Sekantn\u00ed modul<\/strong> (u specifick\u00fdch kmen\u016f, jako jsou 2%, 5%, 10%).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Zlomov\u00e1 hou\u017eevnatost<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159edstavuje <strong>schopnost absorpce energie<\/strong><\/li>\n\n\n\n<li>Ur\u010deno na z\u00e1klad\u011b <strong>plocha pod k\u0159ivkou s\u00edla-prodlou\u017een\u00ed<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Tyto parametry umo\u017e\u0148uj\u00ed komplexn\u00ed pochopen\u00ed mechanick\u00fdch vlastnost\u00ed geotextilie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zku\u0161ebn\u00ed stroj CRE pro zkou\u0161en\u00ed v tahu: Z\u00e1kladn\u00ed vybaven\u00ed pro ASTM D4595<\/h2>\n\n\n\n<p>A <strong>Zku\u0161ebn\u00ed stroj CRE pro tahov\u00e9 zkou\u0161ky<\/strong> (konstantn\u00ed rychlost rozta\u017een\u00ed) je vy\u017eadov\u00e1na pro proveden\u00ed normy ASTM D4595. Toto za\u0159\u00edzen\u00ed pou\u017e\u00edv\u00e1 \u0159\u00edzenou rychlost prodlu\u017eov\u00e1n\u00ed p\u0159i kontinu\u00e1ln\u00edm m\u011b\u0159en\u00ed s\u00edly a posunu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kritick\u00e9 po\u017eadavky na stroj:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Konstantn\u00ed rychlost deformace:<\/strong> Obvykle 10 \u00b1 3 %\/min<\/li>\n\n\n\n<li><strong>\u0160irok\u00fd \u00fachopov\u00fd syst\u00e9m:<\/strong> Up\u00edn\u00e1n\u00ed po cel\u00e9 \u0161\u00ed\u0159ce pro zamezen\u00ed prokluzu<\/li>\n\n\n\n<li><strong>P\u0159esn\u00e9 m\u011b\u0159en\u00ed s\u00edly:<\/strong> K p\u0159eru\u0161en\u00ed dojde v rozmez\u00ed 10-90% pln\u00e9ho rozsahu stupnice<\/li>\n\n\n\n<li><strong>Z\u00edsk\u00e1v\u00e1n\u00ed dat:<\/strong> K\u0159ivka s\u00edly a prodlou\u017een\u00ed v re\u00e1ln\u00e9m \u010dase<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Doporu\u010den\u00e9 \u0159e\u0161en\u00ed: Cell Instruments Tester v tahu<\/h3>\n\n\n\n<p>The <strong>Cell Instruments TST-01 Zkou\u0161e\u010dka pevnosti v tahu<\/strong> je vhodn\u00fd pro aplikace podle normy ASTM D4595 d\u00edky:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u0159esnost \u0159\u00edzen\u00e1 PLC<\/strong> zaji\u0161t\u011bn\u00ed stabiln\u00edho prov\u00e1d\u011bn\u00ed test\u016f<\/li>\n\n\n\n<li><strong>Nastaviteln\u00e1 rychlost (1-500 mm\/min)<\/strong> spln\u011bn\u00ed standardn\u00edch po\u017eadavk\u016f<\/li>\n\n\n\n<li><strong>Vysok\u00e1 p\u0159esnost (\u00b10,5% FS)<\/strong> pro spolehliv\u00e9 tahov\u00e9 \u00fadaje<\/li>\n\n\n\n<li><strong>P\u0159izp\u016fsobiteln\u00e1 sv\u00edtidla<\/strong> pro vzorky geotextili\u00ed s velkou \u0161\u00ed\u0159kou<\/li>\n\n\n\n<li><strong>Zobrazen\u00ed k\u0159ivky v re\u00e1ln\u00e9m \u010dase<\/strong> pro anal\u00fdzu modulu a hou\u017eevnatosti<\/li>\n<\/ul>\n\n\n\n<p>D\u00edky robustn\u00ed konstrukci a flexibiln\u00ed konfiguraci je ide\u00e1ln\u00ed pro laborato\u0159e, kter\u00e9 pracuj\u00ed s r\u016fzn\u00fdmi geotextiln\u00edmi materi\u00e1ly.<\/p>\n\n\n\n<p class=\"has-text-align-center\">Zajist\u011bte p\u0159esn\u00e9 hodnocen\u00ed v\u00fdkonnosti geotextili\u00ed pomoc\u00ed <strong>Zkou\u0161ka tahem na \u0161\u00ed\u0159ku podle normy ASTM D4595<\/strong>. Pou\u017eit\u00ed spolehliv\u00e9ho <strong><a href=\"https:\/\/www.packqc.com\/cs\/products\/sale-packaging-tensile-strength-tester-film\/\">Zku\u0161ebn\u00ed stroj v tahu CRE<\/a><\/strong> jako je Cell Instruments TST-01, m\u016f\u017eete z\u00edskat p\u0159esn\u00e9 \u00fadaje o pevnosti v tahu, prodlou\u017een\u00ed a modulu pru\u017enosti pro n\u00e1vrh a kontrolu kvality. Vylep\u0161ete sv\u00e9 testovac\u00ed schopnosti o pokro\u010dil\u00e9 p\u0159\u00edstroje p\u0159izp\u016fsoben\u00e9 pro geotextiln\u00ed aplikace a dos\u00e1hn\u011bte konzistentn\u00edch v\u00fdsledk\u016f v souladu s normami.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n<p><strong>1. K \u010demu se pou\u017e\u00edv\u00e1 norma ASTM D4595?<br><\/strong>M\u011b\u0159\u00ed pevnost v tahu a prodlou\u017een\u00ed geotextili\u00ed pomoc\u00ed \u0161iroko\u00fahl\u00e9 metody pro p\u0159esnou simulaci v ter\u00e9nu.<\/p>\n\n\n\n<p><strong>2. Pro\u010d se up\u0159ednost\u0148uje testov\u00e1n\u00ed v \u0161irok\u00e9m p\u00e1smu p\u0159ed testov\u00e1n\u00edm v prou\u017eku?<br><\/strong>Sni\u017euje toti\u017e okrajov\u00e9 efekty a poskytuje v\u00fdsledky bli\u017e\u0161\u00ed skute\u010dn\u00fdm technick\u00fdm podm\u00ednk\u00e1m.<\/p>\n\n\n\n<p><strong>3. Jak\u00fd typ stroje je vy\u017eadov\u00e1n pro ASTM D4595?<br><\/strong>A <strong>Zku\u0161ebn\u00ed stroj CRE pro tahov\u00e9 zkou\u0161ky<\/strong> s \u0159\u00edzenou rychlost\u00ed vysouv\u00e1n\u00ed a mo\u017enost\u00ed uchopen\u00ed v cel\u00e9 \u0161\u00ed\u0159ce.<\/p>\n\n\n\n<p><strong>4. Mohou b\u00fdt mokr\u00e9 geotextilie testov\u00e1ny pod vlivem <a href=\"https:\/\/store.astm.org\/d4595_d4595m-24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4595<\/a>?<br><\/strong>Ano, norma obsahuje postupy pro kondicionovan\u00e9 i mokr\u00e9 vzorky.<\/p>\n\n\n\n<p><strong>5. Co je p\u0159\u00ed\u010dinou zlomenin \u010delist\u00ed a jak se jim vyhnout?<br><\/strong>Zlomen\u00ed \u010delist\u00ed je \u010dasto d\u016fsledkem nespr\u00e1vn\u00e9ho upnut\u00ed. \u00daprava \u00fachopov\u00fdch ploch nebo polstrov\u00e1n\u00ed jim m\u016f\u017ee pomoci p\u0159edej\u00edt.<\/p>","protected":false},"featured_media":10156,"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":""}}},"class_list":["post-10155","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/10155","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\/10156"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=10155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}