{"id":10102,"date":"2026-03-23T16:50:44","date_gmt":"2026-03-23T08:50:44","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10102"},"modified":"2026-03-23T16:51:08","modified_gmt":"2026-03-23T08:51:08","slug":"astm-d7003","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/astm-d7003\/","title":{"rendered":"ASTM D7003"},"content":{"rendered":"<p><strong>ASTM D7003<\/strong> definuje standardizovanou metodu hodnocen\u00ed <strong>tahov\u00e9 vlastnosti p\u00e1s\u016f vyztu\u017een\u00fdch geomembr\u00e1n<\/strong>, kter\u00e9 se hojn\u011b pou\u017e\u00edvaj\u00ed v syst\u00e9mech pro ochranu \u017eivotn\u00edho prost\u0159ed\u00ed, jako jsou skl\u00e1dky, n\u00e1dr\u017ee a d\u016fln\u00ed provozy. Tyto materi\u00e1ly kombinuj\u00ed polymern\u00ed f\u00f3lie s textiln\u00ed v\u00fdztu\u017e\u00ed, d\u00edky \u010demu\u017e je jejich chov\u00e1n\u00ed v tahu slo\u017eit\u011bj\u0161\u00ed ne\u017e u b\u011b\u017en\u00fdch f\u00f3li\u00ed.<\/p>\n\n\n\n<p>Tato metoda se zam\u011b\u0159uje na <strong>kontrola kvality (QC), zaji\u0161t\u011bn\u00ed kvality (QA) a v\u00fdzkumn\u00e9 aplikace.<\/strong> sp\u00ed\u0161e ne\u017e konstruk\u010dn\u00ed n\u00e1vrh. Klade d\u016fraz na testov\u00e1n\u00ed ve sm\u011brech v\u00fdztu\u017ee, kter\u00e9 p\u0159esn\u011b odr\u00e1\u017e\u00ed vlastnosti materi\u00e1lu.<\/p>\n\n\n\n<p>Mezi hlavn\u00ed v\u00fdsledky normy ASTM D7003 pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0160pi\u010dkov\u00e1 pevnost v tahu (kN\/m)<\/li>\n\n\n\n<li>Prodlou\u017een\u00ed p\u0159i \u0161pi\u010dkov\u00e9m zat\u00ed\u017een\u00ed (%)<\/li>\n\n\n\n<li>Zat\u00ed\u017een\u00ed a prodlou\u017een\u00ed p\u0159i kone\u010dn\u00e9m p\u0159etr\u017een\u00ed<\/li>\n\n\n\n<li>Statistick\u00e1 konzistence (pr\u016fm\u011br a sm\u011brodatn\u00e1 odchylka)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka tahu geomembr\u00e1ny v p\u00e1sech<\/h2>\n\n\n\n<p>The <strong>zkou\u0161ka tahu geomembr\u00e1ny v p\u00e1sech<\/strong> podle normy ASTM D7003 se m\u011b\u0159\u00ed, jak vyztu\u017een\u00e9 geomembr\u00e1ny reaguj\u00ed na jednoos\u00e9 tahov\u00e9 s\u00edly. Na rozd\u00edl od tahov\u00fdch zkou\u0161ek v \u0161irok\u00e9m rozsahu tato metoda izoluje konkr\u00e9tn\u00ed vyztu\u017euj\u00edc\u00ed vl\u00e1kna v \u00fazk\u00e9m vzorku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edprava vzork\u016f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0160\u00ed\u0159ka: <strong>25 mm (1 palec)<\/strong><\/li>\n\n\n\n<li>D\u00e9lka: <strong>\u2265150 mm (6 palc\u016f)<\/strong><\/li>\n\n\n\n<li>Orientace: Rovnob\u011b\u017en\u011b se sm\u011brem v\u00fdztu\u017ee (MD nebo TD)<\/li>\n\n\n\n<li>Mno\u017estv\u00ed: Minim\u00e1ln\u00ed mno\u017estv\u00ed: <strong>5 vzork\u016f v ka\u017ed\u00e9m sm\u011bru<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Z\u00e1sadn\u00edm po\u017eadavkem je, aby <strong>v\u00fdztu\u017en\u00e9 p\u0159\u00edze mus\u00ed z\u016fstat mezi \u00fachyty souvisl\u00e9.<\/strong>. Jak\u00e9koli p\u0159eru\u0161en\u00ed v\u00fdrazn\u011b sni\u017euje nam\u011b\u0159enou s\u00edlu a ohro\u017euje platnost dat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Postup zkou\u0161ky tahem na p\u00e1sech<\/h2>\n\n\n\n<p>The <strong>postup zkou\u0161ky tahem na p\u00e1sech<\/strong> v norm\u011b ASTM D7003 se \u0159\u00edd\u00ed p\u0159esnou posloupnost\u00ed, kter\u00e1 zaji\u0161\u0165uje spolehliv\u00e9 v\u00fdsledky:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Postup krok za krokem<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Nastaven\u00ed d\u00e9lky m\u011b\u0159idla<\/strong><br>Nastavte rozte\u010d rukojet\u00ed na <strong>75 mm (3 palce)<\/strong>.<\/li>\n\n\n\n<li><strong>Mont\u00e1\u017en\u00ed vzorek<\/strong><br>Vyrovnejte vzorek do st\u0159edu a dbejte na to, aby sm\u011br zat\u00ed\u017een\u00ed odpov\u00eddal orientaci v\u00fdztu\u017ee.<\/li>\n\n\n\n<li><strong>Zat\u00ed\u017een\u00ed v tahu<\/strong><br>Rozt\u00e1hn\u011bte vzorek p\u0159i konstantn\u00ed rychlosti <strong>300 mm\/min<\/strong> a\u017e do selh\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Sledov\u00e1n\u00ed chov\u00e1n\u00ed<\/strong><br>Zaznamenejte <strong>k\u0159ivka zat\u00ed\u017een\u00ed-rozta\u017een\u00ed<\/strong> pr\u016fb\u011b\u017en\u011b.<\/li>\n\n\n\n<li><strong>Ov\u011b\u0159en\u00ed v\u00fdsledk\u016f<\/strong><br>V\u00fdsledky vy\u0159a\u010fte, pokud:\n<ul class=\"wp-block-list\">\n<li>Doch\u00e1z\u00ed ke skluzu<\/li>\n\n\n\n<li>K p\u0159eru\u0161en\u00ed doch\u00e1z\u00ed u rukojet\u00ed<\/li>\n\n\n\n<li>V\u00fdztuha se vytahuje bez poru\u0161en\u00ed<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Opakovan\u00e9 testov\u00e1n\u00ed<\/strong><br>Prove\u010fte zkou\u0161ky v\u0161ech vzork\u016f v obou sm\u011brech.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 zaznamenan\u00e9 \u00fadaje<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0160pi\u010dkov\u00e9 zat\u00ed\u017een\u00ed<\/li>\n\n\n\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>Prodlou\u017een\u00ed p\u0159i kone\u010dn\u00e9m zlomu<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka prodlou\u017een\u00ed geomembr\u00e1n<\/h2>\n\n\n\n<p>The <strong>zkou\u0161ka prodlou\u017een\u00ed geomembr\u00e1n<\/strong> ur\u010duje, jak moc se vzorek prot\u00e1hne p\u0159ed poru\u0161en\u00edm, a poskytuje tak informace o ta\u017enosti a \u00fa\u010dinnosti v\u00fdztu\u017ee.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdpo\u010det prodlou\u017een\u00ed<\/h3>\n\n\n\n<p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mtext>Prodlou\u017een\u00ed (%)<\/mtext><mo>=<\/mo><mfrac><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>L<\/mi><\/mrow><mn>75<\/mn><\/mfrac><mo>\u00d7<\/mo><mn>100<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">\\text{Prodlou\u017een\u00ed (\\%)} = \\frac{\\Delta L}{75} \\kr\u00e1t 100<\/annotation><\/semantics><\/math>Prodlou\u017een\u00ed (%)=75\u0394L\u00d7100<\/p>\n\n\n\n<p>Kde:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0394L = posun uchopen\u00ed (mm)<\/li>\n\n\n\n<li>75 mm = po\u010d\u00e1te\u010dn\u00ed d\u00e9lka m\u011b\u0159idla<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdklad<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u00edzk\u00e9 prodlou\u017een\u00ed<\/strong> \u2192 tuh\u00e1 v\u00fdztu\u017e s vysokou pevnost\u00ed<\/li>\n\n\n\n<li><strong>Vysok\u00e9 prodlou\u017een\u00ed<\/strong> \u2192 pru\u017en\u00e1 konstrukce, lep\u0161\u00ed tolerance k deformaci<\/li>\n<\/ul>\n\n\n\n<p>Ob\u011b hodnoty jsou z\u00e1sadn\u00ed pro vyhodnocen\u00ed <strong>v\u00fdkonnost v poln\u00edch z\u00e1t\u011b\u017eov\u00fdch podm\u00ednk\u00e1ch<\/strong>, zejm\u00e9na v ochrann\u00fdch syst\u00e9mech.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Doporu\u010den\u00ed k vybaven\u00ed pro testov\u00e1n\u00ed podle normy ASTM D7003<\/h2>\n\n\n\n<p>P\u0159esn\u00e9 proveden\u00ed normy ASTM D7003 vy\u017eaduje <strong>vysoce p\u0159esn\u00fd syst\u00e9m pro tahov\u00e9 zkou\u0161ky<\/strong>. Na str\u00e1nk\u00e1ch . <strong>Cell Instruments TST-01 <a href=\"https:\/\/www.packqc.com\/cs\/products\/sale-packaging-tensile-strength-tester-film\/\" target=\"_blank\" rel=\"noreferrer noopener\">Zkou\u0161e\u010dka tahu<\/a><\/strong> je pro tuto aplikaci obzvl\u00e1\u0161t\u011b vhodn\u00fd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pro\u010d si vybrat TST-01?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stabiln\u00ed \u0159\u00edzen\u00ed PLC s rozhran\u00edm HMI<\/strong> zaji\u0161\u0165uje p\u0159esn\u00e9 \u0159\u00edzen\u00ed test\u016f<\/li>\n\n\n\n<li><strong>\u0160irok\u00fd rozsah rychlosti (1-500 mm\/min)<\/strong> snadno spl\u0148uje po\u017eadavek 300 mm\/min<\/li>\n\n\n\n<li><strong>Vysok\u00e1 p\u0159esnost posunu (\u00b10,01 mm)<\/strong> podporuje p\u0159esn\u00e9 m\u011b\u0159en\u00ed prodlou\u017een\u00ed<\/li>\n\n\n\n<li><strong>P\u0159izp\u016fsobiteln\u00e1 sv\u00edtidla<\/strong> p\u0159izp\u016fsobit vzorky geomembr\u00e1n<\/li>\n\n\n\n<li><strong>Zobrazen\u00ed k\u0159ivky v re\u00e1ln\u00e9m \u010dase<\/strong> zlep\u0161uje anal\u00fdzu dat<\/li>\n<\/ul>\n\n\n\n<p>Zajist\u011bte p\u0159esn\u00e9 a vyhovuj\u00edc\u00ed testov\u00e1n\u00ed podle normy ASTM D7003 pomoc\u00ed pokro\u010dil\u00fdch \u0159e\u0161en\u00ed pro tahov\u00e9 zkou\u0161ky. Spr\u00e1vn\u00e9 vybaven\u00ed umo\u017e\u0148uje p\u0159esn\u00e9 m\u011b\u0159en\u00ed pevnosti v tahu a prodlou\u017een\u00ed, co\u017e v\u00e1m pom\u016f\u017ee udr\u017eet kvalitu v\u00fdrobk\u016f a splnit mezin\u00e1rodn\u00ed normy. Spole\u010dnost Cell Instruments nab\u00edz\u00ed spolehliv\u00e9, p\u0159izp\u016fsobiteln\u00e9 syst\u00e9my ur\u010den\u00e9 pro aplikace zkou\u0161en\u00ed geomembr\u00e1n. Optimalizujte sv\u016fj pracovn\u00ed postup testov\u00e1n\u00ed, zlep\u0161ete konzistenci dat a posilte sv\u016fj proces zaji\u0161t\u011bn\u00ed kvality pomoc\u00ed profesion\u00e1ln\u00ed technologie pro tahov\u00e9 zkou\u0161ky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010cast\u00e9 dotazy t\u00fdkaj\u00edc\u00ed se normy ASTM D7003<\/h2>\n\n\n\n<p>1. K \u010demu se pou\u017e\u00edv\u00e1 norma ASTM D7003?<br>Vyhodnocuje tahov\u00e9 vlastnosti vyztu\u017een\u00fdch geomembr\u00e1n pro \u00fa\u010dely kontroly kvality, zaji\u0161t\u011bn\u00ed kvality a v\u00fdzkumu.<\/p>\n\n\n\n<p>2. Pro\u010d mus\u00ed vzorky odpov\u00eddat sm\u011bru v\u00fdztu\u017ee?<br>Proto\u017ee pevnost v tahu z\u00e1vis\u00ed do zna\u010dn\u00e9 m\u00edry na orientaci v\u00fdztu\u017ee, vede nespr\u00e1vn\u00e9 nastaven\u00ed k nep\u0159esn\u00fdm v\u00fdsledk\u016fm.<\/p>\n\n\n\n<p>3. Co se stane, kdy\u017e p\u0159\u00edze nen\u00ed souvisl\u00e1?<br>Nam\u011b\u0159en\u00e1 pevnost v tahu v\u00fdrazn\u011b kles\u00e1, tak\u017ee v\u00fdsledek je neplatn\u00fd.<\/p>\n\n\n\n<p>4. Je A<a href=\"https:\/\/store.astm.org\/d7003_d7003m-03r21.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">STM D7003<\/a> vhodn\u00e9 pro konstruk\u010dn\u00ed v\u00fdpo\u010dty?<br>Ne, jedn\u00e1 se o indexovou zkou\u0161ku a nem\u011bla by se pou\u017e\u00edvat p\u0159\u00edmo pro in\u017een\u00fdrsk\u00fd n\u00e1vrh.<\/p>\n\n\n\n<p>5. Jak\u00e1 je standardn\u00ed testovac\u00ed rychlost?<br>Po\u017eadovan\u00e1 rychlost k\u0159\u00ed\u017eov\u00e9 hlavy je 300 mm\/min.<\/p>\n\n\n\n<p>6. Jak se vypo\u010d\u00edt\u00e1 pevnost v tahu?<br>D\u011blen\u00edm maxim\u00e1ln\u00edho zat\u00ed\u017een\u00ed \u0161\u00ed\u0159kou vzorku vyj\u00e1d\u0159en\u00e9ho v kN\/m.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D7003 defines a standardized method to evaluate the strip tensile properties of reinforced geomembranes, which are widely used in environmental containment systems such as landfills, reservoirs, and mining operations. These materials combine polymer sheets with textile reinforcement, making their tensile behavior more complex than conventional films. This method focuses on quality control (QC), quality [&hellip;]<\/p>","protected":false},"featured_media":10103,"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-10102","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/10102","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\/10103"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=10102"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=10102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}