{"id":1081,"date":"2026-03-30T08:05:34","date_gmt":"2026-03-30T08:05:34","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=standard&#038;p=1081"},"modified":"2026-04-08T05:59:08","modified_gmt":"2026-04-08T05:59:08","slug":"astm-d4595","status":"publish","type":"standard","link":"https:\/\/www.geo-tester.com\/cs\/standard\/astm-d4595\/","title":{"rendered":"ASTM D4595"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Geotextilie hraj\u00ed z\u00e1sadn\u00ed roli p\u0159i zpev\u0148ov\u00e1n\u00ed, filtraci, separaci, odvod\u0148ov\u00e1n\u00ed a protierozn\u00edch aplikac\u00edch. In\u017een\u00fd\u0159i a t\u00fdmy kontroly kvality pot\u0159ebuj\u00ed spolehliv\u00e9 \u00fadaje v tahu, aby mohli vyhodnotit, zda geotextilie vydr\u017e\u00ed nam\u00e1h\u00e1n\u00ed v ter\u00e9nu bez nadm\u011brn\u00e9 deformace nebo p\u0159ed\u010dasn\u00e9ho selh\u00e1n\u00ed. Norma ASTM D4595 poskytuje jednu z nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch metod m\u011b\u0159en\u00ed tahov\u00fdch vlastnost\u00ed geotextili\u00ed v re\u00e1ln\u00fdch podm\u00ednk\u00e1ch zat\u00ed\u017een\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4595, ofici\u00e1ln\u011b nazvan\u00e1 <em>Standardn\u00ed zku\u0161ebn\u00ed metoda pro stanoven\u00ed tahov\u00fdch vlastnost\u00ed geotextili\u00ed \u0161iroko\u00fahlou metodou<\/em>, m\u011b\u0159\u00ed pevnost v tahu, prodlou\u017een\u00ed, modul a hou\u017eevnatost p\u0159i p\u0159etr\u017een\u00ed pomoc\u00ed \u0161irok\u00e9ho vzorku. Metoda se pou\u017e\u00edv\u00e1 pro tkan\u00e9 geotextilie, netkan\u00e9 geotextilie, vrstven\u00e9 tkaniny a pleteniny pou\u017e\u00edvan\u00e9 v geotechnick\u00fdch aplikac\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je ASTM D4595?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norma ASTM D4595 hodnot\u00ed chov\u00e1n\u00ed geotextili\u00ed v tahu pomoc\u00ed vzorku, kter\u00fd je mnohem \u0161ir\u0161\u00ed ne\u017e vzorky pou\u017e\u00edvan\u00e9 p\u0159i tradi\u010dn\u00edch p\u00e1sov\u00fdch zkou\u0161k\u00e1ch. Metoda pou\u017e\u00edv\u00e1 vzorek o \u0161\u00ed\u0159ce 200 mm a d\u00e9lce m\u011b\u0159idla 100 mm. Tento \u0161ir\u0161\u00ed form\u00e1t sni\u017euje efekt \"hrdla\", kter\u00fd se \u010dasto vyskytuje p\u0159i roztahov\u00e1n\u00ed u\u017e\u0161\u00edch textiln\u00edch vzork\u016f pod zat\u00ed\u017een\u00edm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vzhledem k tomu, \u017ee se mnoho geotextili\u00ed p\u0159i tahov\u00e9m zat\u00ed\u017een\u00ed bo\u010dn\u011b smr\u0161\u0165uje, nemus\u00ed tahov\u00e9 zkou\u0161ky s \u00fazkou \u0161\u00ed\u0159kou p\u0159esn\u011b odr\u00e1\u017eet skute\u010dn\u00e9 vlastnosti v ter\u00e9nu. Norma ASTM D4595 \u0159e\u0161\u00ed tento probl\u00e9m pomoc\u00ed metody <strong>tahov\u00e1 zkou\u0161ka geotextili\u00ed v \u0161irok\u00e9m rozsahu<\/strong>, co\u017e vytv\u00e1\u0159\u00ed reprezentativn\u011bj\u0161\u00ed rozlo\u017een\u00ed nap\u011bt\u00ed v cel\u00e9m vzorku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Test m\u011b\u0159\u00ed n\u011bkolik d\u016fle\u017eit\u00fdch ukazatel\u016f v\u00fdkonnosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pevnost v tahu<\/li>\n\n\n\n<li>Prodlou\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed<\/li>\n\n\n\n<li>Po\u010d\u00e1te\u010dn\u00ed modul pru\u017enosti v tahu<\/li>\n\n\n\n<li>Posunut\u00fd modul pru\u017enosti v tahu<\/li>\n\n\n\n<li>Modul pru\u017enosti v tahu<\/li>\n\n\n\n<li>Hou\u017eevnatost p\u0159i zlomen\u00ed<\/li>\n\n\n\n<li>S\u00edla p\u0159i ur\u010dit\u00fdch hodnot\u00e1ch prodlou\u017een\u00ed<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0160iroko\u00fahl\u00e1 tahov\u00e1 zkou\u0161ka geotextili\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>tahov\u00e1 zkou\u0161ka geotextili\u00ed v \u0161irok\u00e9m rozsahu<\/strong> pou\u017e\u00edv\u00e1 tahov\u00fd zku\u0161ebn\u00ed stroj s konstantn\u00ed rychlost\u00ed rozta\u017een\u00ed. Stroj uchop\u00ed vzorek v cel\u00e9 jeho \u0161\u00ed\u0159ce a p\u016fsob\u00ed na n\u011bj silou, dokud nedojde k jeho p\u0159etr\u017een\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Norma doporu\u010duje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0160\u00ed\u0159ka vzorku: 200 mm<\/li>\n\n\n\n<li>D\u00e9lka m\u011b\u0159idla: 100 mm<\/li>\n\n\n\n<li>Rychlost testu: ekvivalentn\u00ed 10 \u00b1 3% deformace za minutu<\/li>\n\n\n\n<li>Minim\u00e1ln\u00ed \u0161\u00ed\u0159ka \u010delist\u00ed: v\u011bt\u0161\u00ed ne\u017e \u0161\u00ed\u0159ka vzorku<\/li>\n\n\n\n<li>Minim\u00e1ln\u00ed d\u00e9lka \u010delist\u00ed: 50 mm ve sm\u011bru nakl\u00e1d\u00e1n\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u011bhem testov\u00e1n\u00ed obsluha zaznamen\u00e1v\u00e1 k\u0159ivku s\u00edla - prodlou\u017een\u00ed. Tato k\u0159ivka umo\u017e\u0148uje laborato\u0159i ur\u010dit maxim\u00e1ln\u00ed tahovou s\u00edlu, prodlou\u017een\u00ed, hodnoty modulu pru\u017enosti a hou\u017eevnatosti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160irok\u00fd vzorek je d\u016fle\u017eit\u00fd zejm\u00e9na u netkan\u00fdch geotextili\u00ed, proto\u017ee tyto materi\u00e1ly se p\u0159i zat\u00ed\u017een\u00ed \u010dasto v\u00fdrazn\u011b kr\u010d\u00ed. Minimalizac\u00ed tohoto jevu norma ASTM D4595 vytv\u00e1\u0159\u00ed p\u0159esn\u011bj\u0161\u00ed n\u00e1vrhov\u00e9 hodnoty pro vyztu\u017een\u00e9 zemn\u00ed st\u011bny, n\u00e1spy, vozovky a projekty stabilizace svah\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka prodlou\u017een\u00ed geotextilie<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>zkou\u0161ka pr\u016fta\u017enosti geotextilie<\/strong> je kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed normy ASTM D4595, proto\u017ee prodlou\u017een\u00ed p\u0159\u00edmo ovliv\u0148uje chov\u00e1n\u00ed materi\u00e1lu p\u0159i zat\u00ed\u017een\u00ed v ter\u00e9nu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prodlou\u017een\u00ed p\u0159edstavuje procentu\u00e1ln\u00ed n\u00e1r\u016fst d\u00e9lky vzorku b\u011bhem zkou\u0161ky. Laborato\u0159e obvykle m\u011b\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prodlou\u017een\u00ed p\u0159i maxim\u00e1ln\u00ed s\u00edle<\/li>\n\n\n\n<li>Prodlou\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed<\/li>\n\n\n\n<li>Prodlou\u017een\u00ed p\u0159i stanoven\u00fdch hodnot\u00e1ch zat\u00ed\u017een\u00ed<\/li>\n\n\n\n<li>Prodlou\u017een\u00ed pou\u017eit\u00e9 pro v\u00fdpo\u010det modulu pru\u017enosti<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Norma ASTM D4595 po\u010d\u00edt\u00e1 prodlou\u017een\u00ed pomoc\u00ed zm\u011bny d\u00e9lky d\u011blen\u00e9 p\u016fvodn\u00ed d\u00e9lkou m\u011b\u0159idla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><msub><mi>\u03b5<\/mi><mi>p<\/mi><\/msub><mo>=<\/mo><mfrac><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>L<\/mi><mo>\u00d7<\/mo><mn>100<\/mn><\/mrow><msub><mi>L<\/mi><mi>s<\/mi><\/msub><\/mfrac><\/mrow><annotation encoding=\"application\/x-tex\">\\varepsilon_p=\\frac{\\Delta L\\times100}{L_s}<\/annotation><\/semantics><\/math>\u03b5p=Ls\u0394L\u00d7100<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kde:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03b5p = procento prodlou\u017een\u00ed<\/li>\n\n\n\n<li>\u0394L = zm\u011bna d\u00e9lky vzorku<\/li>\n\n\n\n<li>Ls = p\u016fvodn\u00ed d\u00e9lka m\u011b\u0159idla<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159esn\u00e9 m\u011b\u0159en\u00ed prodlou\u017een\u00ed pom\u00e1h\u00e1 in\u017een\u00fdr\u016fm ur\u010dit, zda je geotextilie tuh\u00e1 nebo pru\u017en\u00e1. Materi\u00e1ly s vysok\u00fdm prodlou\u017een\u00edm mohou absorbovat v\u011bt\u0161\u00ed deformaci p\u0159ed selh\u00e1n\u00edm, zat\u00edmco materi\u00e1ly s n\u00edzk\u00fdm prodlou\u017een\u00edm mohou poskytovat v\u011bt\u0161\u00ed \u00fa\u010dinnost v\u00fdztu\u017ee v konstruk\u010dn\u00edch aplikac\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka pevnosti p\u0159i p\u0159etr\u017een\u00ed geotextilie<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>zkou\u0161ka hou\u017eevnatosti p\u0159i p\u0159etr\u017een\u00ed geotextilie<\/strong> ur\u010duje mno\u017estv\u00ed energie, kter\u00e9 materi\u00e1l absorbuje p\u0159ed prasknut\u00edm. Norma ASTM D4595 definuje hou\u017eevnatost p\u0159i p\u0159etr\u017een\u00ed jako pr\u00e1ci do p\u0159etr\u017een\u00ed na jednotku plochy vzorku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hou\u017eevnatost p\u0159i p\u0159etr\u017een\u00ed vych\u00e1z\u00ed z plochy pod k\u0159ivkou z\u00e1vislosti s\u00edly na prodlou\u017een\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>T<\/mi><mo>=<\/mo><mfrac><mrow><mi>V<\/mi><mo>\u00d7<\/mo><mi>S<\/mi><\/mrow><mrow><msub><mi>W<\/mi><mi>s<\/mi><\/msub><mo>\u00d7<\/mo><msub><mi>L<\/mi><mi>s<\/mi><\/msub><\/mrow><\/mfrac><\/mrow><annotation encoding=\"application\/x-tex\">T=\\frac{V\\times S}{W_s\\times L_s}<\/annotation><\/semantics><\/math>T=Ws\u00d7LsV\u00d7S<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Geotextilie s vysokou hou\u017eevnatost\u00ed p\u0159i p\u0159etr\u017een\u00ed dok\u00e1\u017ee absorbovat v\u00edce energie, ne\u017e dojde k jej\u00edmu selh\u00e1n\u00ed. Tato vlastnost je d\u016fle\u017eit\u00e1 zejm\u00e9na v aplikac\u00edch s dynamick\u00fdm zat\u00ed\u017een\u00edm, usazov\u00e1n\u00edm nebo opakovan\u00fdmi cykly nam\u00e1h\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pevnost v tahu m\u016f\u017ee in\u017een\u00fdr\u016fm pomoci porovnat r\u016fzn\u00e9 v\u00fdztu\u017en\u00e9 materi\u00e1ly nad r\u00e1mec prost\u00fdch hodnot pevnosti v tahu. Dv\u011b geotextilie mohou m\u00edt podobnou pevnost v tahu, ale ta s vy\u0161\u0161\u00ed hou\u017eevnatost\u00ed m\u016f\u017ee m\u00edt lep\u0161\u00ed dlouhodobou \u017eivotnost a odolnost proti n\u00e1hl\u00e9mu selh\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 parametry zkou\u0161ky podle normy ASTM D4595<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Spolehlivost v\u00fdsledk\u016f normy ASTM D4595 ovliv\u0148uje n\u011bkolik faktor\u016f:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edprava vzork\u016f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Norma vy\u017eaduje, aby vzorky poch\u00e1zely z reprezentativn\u00edch oblast\u00ed svitku. Pracovn\u00edci by se m\u011bli vyvarovat p\u0159elo\u017een\u00fdch, rozdrcen\u00fdch nebo deformovan\u00fdch \u010d\u00e1st\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro v\u011bt\u0161inu materi\u00e1l\u016f norma doporu\u010duje nejm\u00e9n\u011b p\u011bt vzork\u016f ve sm\u011bru stroje i v p\u0159\u00ed\u010dn\u00e9m sm\u011bru stroje, pokud neexistuj\u00ed \u017e\u00e1dn\u00e9 p\u0159edchoz\u00ed statistick\u00e9 \u00fadaje.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Po\u017eadavky na kondici<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Norma ASTM D4595 obsahuje postupy pro zkou\u0161en\u00ed za sucha i za mokra. Laborato\u0159e obvykle p\u0159ed zkou\u0161kou kondicionuj\u00ed such\u00e9 vzorky po dobu nejm\u00e9n\u011b 24 hodin. Mokr\u00e9 vzorky z\u016fst\u00e1vaj\u00ed pono\u0159en\u00e9 ve vod\u011b o teplot\u011b 21 \u00b1 2 \u00b0C po dobu nejm\u00e9n\u011b 2 minut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zkou\u0161ky za mokra pom\u00e1haj\u00ed vyhodnotit, jak p\u016fsoben\u00ed vlhkosti ovliv\u0148uje tahov\u00e9 vlastnosti, zejm\u00e9na u geotextili\u00ed pou\u017e\u00edvan\u00fdch v dren\u00e1\u017en\u00edch, filtra\u010dn\u00edch a protierozn\u00edch aplikac\u00edch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdb\u011br svorky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Konstrukce svorek v\u00fdznamn\u011b ovliv\u0148uje p\u0159esnost zkou\u0161ky. \u0160patn\u00e9 upnut\u00ed m\u016f\u017ee zp\u016fsobit zlomen\u00ed \u010delist\u00ed, prokluzov\u00e1n\u00ed nebo po\u0161kozen\u00ed vzorku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Norma ASTM D4595 doporu\u010duje svorky, kter\u00e9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uchopte vzorek po cel\u00e9 \u0161\u00ed\u0159ce<\/li>\n\n\n\n<li>Zabra\u0148te uklouznut\u00ed<\/li>\n\n\n\n<li>Vyvarujte se rozdrcen\u00ed nebo po\u0161kozen\u00ed vzorku.<\/li>\n\n\n\n<li>Zachov\u00e1n\u00ed rovnom\u011brn\u00e9ho rozlo\u017een\u00ed s\u00edly<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u011bkter\u00e9 siln\u00e9 tkan\u00e9 geotextilie mohou vy\u017eadovat polstrovan\u00e9 \u010delisti, pota\u017een\u00e9 \u00fachopov\u00e9 plochy nebo upraven\u00e9 \u010dela up\u00edna\u010d\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdpo\u010det pevnosti v tahu podle normy ASTM D4595<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norma ASTM D4595 vyjad\u0159uje pevnost v tahu jako s\u00edlu na jednotku \u0161\u00ed\u0159ky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><msub><mi>\u03c3<\/mi><mi>f<\/mi><\/msub><mo>=<\/mo><mfrac><msub><mi>F<\/mi><mi>f<\/mi><\/msub><msub><mi>W<\/mi><mi>s<\/mi><\/msub><\/mfrac><\/mrow><annotation encoding=\"application\/x-tex\">\\sigma_f=\\frac{F_f}{W_s}<\/annotation><\/semantics><\/math>\u03c3f=WsFf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kde:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03c3f = pevnost v tahu<\/li>\n\n\n\n<li>Ff = zlomov\u00e1 s\u00edla<\/li>\n\n\n\n<li>Ws = \u0161\u00ed\u0159ka vzorku<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tento p\u0159\u00edstup umo\u017e\u0148uje in\u017een\u00fdr\u016fm porovn\u00e1vat geotextilie s r\u016fzn\u00fdmi rozm\u011bry vzork\u016f a typy konstrukc\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Doporu\u010den\u00fd tahov\u00fd test pro ASTM D4595<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pro dodr\u017een\u00ed normy ASTM D4595 je nezbytn\u00fd tahov\u00fd tester s konstantn\u00ed rychlost\u00ed rozta\u017een\u00ed, stabiln\u00edm \u0159\u00edzen\u00edm s\u00edly a p\u0159esn\u00fdm m\u011b\u0159en\u00edm posunut\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tester Cell Instruments TST-01 je vhodn\u00fd pro testov\u00e1n\u00ed podle normy ASTM D4595, proto\u017ee podporuje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nastaviteln\u00e1 zku\u0161ebn\u00ed rychlost od 1 do 500 mm\/min<\/li>\n\n\n\n<li>Vysok\u00e1 p\u0159esnost posunu \u00b10,01 mm<\/li>\n\n\n\n<li>P\u0159esn\u00fd pohon kuli\u010dkov\u00fdm \u0161roubem pro plynul\u00fd pohyb<\/li>\n\n\n\n<li>\u0158\u00edzen\u00ed PLC se 7palcovou dotykovou obrazovkou HMI<\/li>\n\n\n\n<li>Zobrazen\u00ed s\u00edly a k\u0159ivky prodlou\u017een\u00ed v re\u00e1ln\u00e9m \u010dase<\/li>\n\n\n\n<li>Kompatibilita v\u00edce p\u0159\u00edpravk\u016f pro zkou\u0161ky tahem, odlupov\u00e1n\u00edm a pr\u016frazem<\/li>\n\n\n\n<li>Voliteln\u00e9 p\u0159ipojen\u00ed RS-232 a mikrotisk\u00e1rna pro export dat<\/li>\n\n\n\n<li>Zku\u0161ebn\u00ed kapacita a\u017e 1 kN pro vysokopevnostn\u00ed geotextilie<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pro laborato\u0159e, kter\u00e9 testuj\u00ed jak tkan\u00e9, tak netkan\u00e9 geotextilie, je obzvl\u00e1\u0161t\u011b cenn\u00e1 mo\u017enost v\u00fdm\u011bny svorek a p\u0159izp\u016fsoben\u00ed p\u0159\u00edpravk\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je d\u016fle\u017eit\u00e1 norma ASTM D4595<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norma ASTM D4595 poskytuje in\u017een\u00fdr\u016fm a v\u00fdrobc\u016fm spolehliv\u00fd zp\u016fsob, jak porovn\u00e1vat geotextiln\u00ed materi\u00e1ly v podm\u00ednk\u00e1ch, kter\u00e9 se velmi podobaj\u00ed podm\u00ednk\u00e1m v ter\u00e9nu. \u0160iroko\u00fahl\u00e1 metoda omezuje tvorbu hrbolk\u016f na vzorku a vytv\u00e1\u0159\u00ed realisti\u010dt\u011bj\u0161\u00ed \u00fadaje o tahu ne\u017e zkou\u0161ky s \u00fazk\u00fdmi prou\u017eky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metoda podporuje kontrolu kvality, v\u00fdvoj v\u00fdrobk\u016f, shodu se specifikacemi a komer\u010dn\u00ed p\u0159ej\u00edmac\u00ed zkou\u0161ky. Pom\u00e1h\u00e1 tak\u00e9 \u0159e\u0161it spory mezi dodavateli a odb\u011brateli t\u00edm, \u017ee poskytuje standardizovan\u00fd postup pro vyhodnocen\u00ed tahu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro aplikace v\u00fdztu\u017ee, jako jsou op\u011brn\u00e9 zdi, n\u00e1spy, svahy, silnice a oblo\u017een\u00ed skl\u00e1dek, z\u016fst\u00e1v\u00e1 norma ASTM D4595 jednou z nejd\u016fle\u017eit\u011bj\u0161\u00edch norem pro hodnocen\u00ed vlastnost\u00ed geotextili\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky<\/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 D4595?<\/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 class=\"wp-block-paragraph\">Norma ASTM D4595 m\u011b\u0159\u00ed tahov\u00e9 vlastnosti geotextili\u00ed, v\u010detn\u011b pevnosti v tahu, prodlou\u017een\u00ed, modulu pru\u017enosti a hou\u017eevnatosti p\u0159i p\u0159etr\u017een\u00ed.<\/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\">Pro\u010d norma ASTM D4595 pou\u017e\u00edv\u00e1 \u0161irok\u00fd vzorek?<\/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 class=\"wp-block-paragraph\">\u0160irok\u00fd vzorek omezuje tvorbu hrbolk\u016f a smr\u0161\u0165ov\u00e1n\u00ed b\u011bhem zkou\u0161en\u00ed, co\u017e poskytuje realisti\u010dt\u011bj\u0161\u00ed \u00fadaje o tahu pro aplikace geotextili\u00ed.<\/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\">Jak\u00e9 typy materi\u00e1l\u016f lze podle normy ASTM D4595 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-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 class=\"wp-block-paragraph\">Norma ASTM D4595 umo\u017e\u0148uje testovat tkan\u00e9 geotextilie, netkan\u00e9 geotextilie, pleten\u00e9 geotextilie, vrstven\u00e9 tkaniny a vyztu\u017een\u00e9 geosyntetick\u00e9 materi\u00e1ly.<\/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 standardn\u00ed \u0161\u00ed\u0159ka vzorku podle normy ASTM D4595?<\/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 class=\"wp-block-paragraph\">Standardn\u00ed \u0161\u00ed\u0159ka vzorku je 200 mm, a\u010dkoli n\u011bkter\u00e9 vysokopevnostn\u00ed tkan\u00e9 geotextilie mohou m\u00edt \u0161\u00ed\u0159ku vzorku 100 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-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 D4595 testovat mokr\u00e9 geotextilie?<\/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 class=\"wp-block-paragraph\">Ano. <a href=\"https:\/\/store.astm.org\/d4595_d4595m-24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4595<\/a> zahrnuje postupy pro zkou\u0161en\u00ed jak kondicionovan\u00fdch such\u00fdch vzork\u016f, tak mokr\u00fdch vzork\u016f.<\/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 je v norm\u011b ASTM D4595 d\u016fle\u017eit\u00e1 hou\u017eevnatost p\u0159i p\u0159etr\u017een\u00ed?<\/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 class=\"wp-block-paragraph\">Hou\u017eevnatost p\u0159i p\u0159etr\u017een\u00ed m\u011b\u0159\u00ed energii, kterou geotextilie absorbuje p\u0159ed p\u0159etr\u017een\u00edm. Poskytuje dal\u0161\u00ed informace o trvanlivosti a odolnosti proti n\u00e1hl\u00e9mu selh\u00e1n\u00ed.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Norma ASTM D4595 m\u011b\u0159\u00ed tahov\u00e9 vlastnosti geotextili\u00ed pomoc\u00ed \u0161irok\u00e9ho vzorku, kter\u00fd l\u00e9pe odpov\u00edd\u00e1 skute\u010dn\u00e9mu chov\u00e1n\u00ed v ter\u00e9nu. Metoda hodnot\u00ed pevnost v tahu, prodlou\u017een\u00ed, modul a hou\u017eevnatost p\u0159i p\u0159etr\u017een\u00ed u tkan\u00fdch, netkan\u00fdch, vrstven\u00fdch a pleten\u00fdch geotextili\u00ed.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[56],"class_list":["post-1081","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/standard\/1081","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=1081"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/cs\/wp-json\/wp\/v2\/standard-category?post=1081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}