{"id":1098,"date":"2026-04-01T08:57:28","date_gmt":"2026-04-01T08:57:28","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=standard&#038;p=1098"},"modified":"2026-04-08T05:59:28","modified_gmt":"2026-04-08T05:59:28","slug":"astm-d4833","status":"publish","type":"standard","link":"https:\/\/www.geo-tester.com\/ro\/standard\/astm-d4833\/","title":{"rendered":"ASTM D4833"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Geomembranele joac\u0103 un rol esen\u021bial \u00een sistemele de re\u021binere, c\u0103ptu\u0219elile depozitelor de de\u0219euri, iazurile miniere, canalele, rezervoarele \u0219i structurile de impermeabilizare. \u00cen aceste aplica\u021bii, deteriorarea prin perforare poate duce la scurgeri, reducerea duratei de via\u021b\u0103 \u0219i repara\u021bii costisitoare. ASTM D4833 ofer\u0103 o modalitate standardizat\u0103 de m\u0103surare a rezisten\u021bei la perforare a geomembranelor \u0219i a materialelor conexe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metoda ASTM D4833 este utilizat\u0103 pe scar\u0103 larg\u0103 de c\u0103tre produc\u0103tori, laboratoare de testare \u0219i echipe de control al calit\u0103\u021bii, deoarece ofer\u0103 o valoare de indice repetabil\u0103 pentru compararea diferitelor produse \u0219i loturi de produc\u021bie. Metoda ajut\u0103 la determinarea modului \u00een care o geomembran\u0103 poate rezista la penetrarea unei sarcini concentrate aplicate de o tij\u0103 de o\u021bel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Prezentare general\u0103 ASTM D4833<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4833, Standard Test Method for Index Puncture Resistance of Geomembranes and Related Products, m\u0103soar\u0103 for\u021ba necesar\u0103 pentru a perfora un specimen \u00een condi\u021bii controlate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen timpul testului, operatorul prinde epruveta \u00eentre pl\u0103ci circulare f\u0103r\u0103 a aplica tensiune. O tij\u0103 solid\u0103 de o\u021bel apas\u0103 apoi pe zona central\u0103 nesus\u021binut\u0103 a epruvetei p\u00e2n\u0103 la rupere. For\u021ba maxim\u0103 \u00eenregistrat\u0103 \u00een timpul testului reprezint\u0103 valoarea rezisten\u021bei la perforare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deoarece ASTM D4833 produce o valoare a indicelui mai degrab\u0103 dec\u00e2t o simulare a performan\u021bei pe teren, func\u021bioneaz\u0103 cel mai bine pentru:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compararea materialelor<\/li>\n\n\n\n<li>Inspec\u021bia calit\u0103\u021bii la sosire<\/li>\n\n\n\n<li>Controlul calit\u0103\u021bii produc\u021biei<\/li>\n\n\n\n<li>Dezvoltarea produsului<\/li>\n\n\n\n<li>Testarea de acceptare a livr\u0103rilor comerciale<\/li>\n\n\n\n<li>Verificarea coeren\u021bei materialelor \u00eentre loturi<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Principiul de testare a rezisten\u021bei la perforare a geomembranelor<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cencercarea de rezisten\u021b\u0103 la perforare a geomembranelor specificat\u0103 \u00een ASTM D4833 utilizeaz\u0103 o ma\u0219in\u0103 de \u00eencercare la trac\u021biune sau compresiune cu rat\u0103 constant\u0103 de extensie, echipat\u0103 cu un dispozitiv de fixare cu inel \u0219i o sond\u0103 de perforare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Instala\u021bia de testare include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O clem\u0103 inelar\u0103 cu un diametru interior de deschidere de 45 \u00b1 0,025 mm<\/li>\n\n\n\n<li>O tij\u0103 de punc\u021bie din o\u021bel solid cu un diametru de 8 \u00b1 0,1 mm<\/li>\n\n\n\n<li>Un v\u00e2rf de tij\u0103 canelat conceput pentru a crea o penetrare controlat\u0103<\/li>\n\n\n\n<li>O vitez\u0103 de testare constant\u0103 de 300 \u00b1 10 mm\/min<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Proba r\u0103m\u00e2ne nesus\u021binut\u0103 \u00een zona central\u0103 dintre inelele de prindere. Pe m\u0103sur\u0103 ce tija de o\u021bel avanseaz\u0103 \u00een jos, tensiunea se concentreaz\u0103 \u00een sec\u021biunea nesus\u021binut\u0103 p\u00e2n\u0103 la ruperea materialului.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sarcina maxim\u0103 \u00eenregistrat\u0103 furnizeaz\u0103 indicele de rezisten\u021b\u0103 la perforare a geomembranelor \u0219i a produselor conexe.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Indice Rezisten\u021ba la perforare a geomembranelor \u0219i de ce este important\u0103<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Indicele de rezisten\u021b\u0103 la perforare al geomembranelor ajut\u0103 inginerii \u0219i cump\u0103r\u0103torii s\u0103 compare diferite materiale \u00eenainte de instalare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O geomembran\u0103 cu rezisten\u021b\u0103 mai mare la perforare poate oferi o protec\u021bie mai bun\u0103 \u00eempotriva:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pietre ascu\u021bite sub garnituri<\/li>\n\n\n\n<li>Daune \u00een construc\u021bii<\/li>\n\n\n\n<li>P\u0103trunderea r\u0103d\u0103cinilor<\/li>\n\n\n\n<li>Traficul echipamentelor<\/li>\n\n\n\n<li>Contact agregat<\/li>\n\n\n\n<li>Stres de instalare<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aceast\u0103 proprietate devine deosebit de important\u0103 \u00een c\u0103ptu\u0219elile depozitelor de de\u0219euri, \u00een sistemele de izolare a exploat\u0103rilor miniere, \u00een iazurile agricole \u0219i \u00een rezervoarele de ap\u0103, unde e\u0219ecul perfor\u0103rii poate crea riscuri majore de mediu \u0219i opera\u021bionale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mul\u021bi cump\u0103r\u0103tori includ cerin\u021bele ASTM D4833 \u00een specifica\u021biile de achizi\u021bii deoarece metoda ofer\u0103 o baz\u0103 comun\u0103 pentru compararea produselor de la diferi\u021bi furnizori.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aparat de testare ASTM D4833<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru a efectua un test fiabil de perforare a geomembranelor, laboratorul trebuie s\u0103 utilizeze configura\u021bia corect\u0103 a echipamentului.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ma\u0219in\u0103 de testare la trac\u021biune sau compresie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4833 necesit\u0103 o ma\u0219in\u0103 de testare cu rat\u0103 constant\u0103 de extensie capabil\u0103 s\u0103 men\u021bin\u0103 o vitez\u0103 stabil\u0103 \u0219i o m\u0103surare precis\u0103 a sarcinii.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Testerul de trac\u021biune Cell Instruments TST-01 este potrivit pentru aplica\u021biile ASTM D4833, deoarece suport\u0103 viteze reglabile de la 1 la 500 mm\/min \u0219i ofer\u0103 un control precis al deplas\u0103rii prin intermediul unui sistem de \u0219urub cu bile.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sistemul s\u0103u de control condus de PLC \u0219i ecranul tactil HMI de 7 inchi permit operatorilor s\u0103 monitorizeze \u00een timp real curbele de for\u021b\u0103 \u0219i progresul testelor. Instrumentul suport\u0103, de asemenea, dispozitive de punc\u021bie, dispozitive de trac\u021biune, dispozitive de exfoliere \u0219i alte accesorii personalizate, ceea ce \u00eel face util pentru laboratoarele care testeaz\u0103 mai multe materiale.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fixare cu clem\u0103 inelar\u0103<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Clema inelar\u0103 fixeaz\u0103 epruveta f\u0103r\u0103 alunecare. ASTM D4833 specific\u0103 un diametru al deschiderii clemei de 45 mm \u0219i recomand\u0103 suprafe\u021be cu caneluri, O-ringuri sau \u0219mirghel grosier pentru a \u00eembun\u0103t\u0103\u021bi aderen\u021ba.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tij\u0103 de perforare din o\u021bel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tija de punc\u021bie standard are un diametru de 8 mm \u0219i include o margine \u0219anfrenat\u0103. Geometria consecvent\u0103 a tijei contribuie la asigurarea unor rezultate repetabile \u00eentre laboratoare.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Preg\u0103tirea epruvetelor ASTM D4833<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Preg\u0103tirea adecvat\u0103 a specimenului are un impact major asupra consecven\u021bei rezultatelor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4833 recomand\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diametrul minim al epruvetei: 100 mm<\/li>\n\n\n\n<li>E\u0219antionarea pe l\u0103\u021bimea cilindrului<\/li>\n\n\n\n<li>Evitarea specimenelor \u00een apropierea marginii sau a lizierei<\/li>\n\n\n\n<li>Selectarea e\u0219antioanelor pe diagonal\u0103 \u00een cadrul e\u0219antionului<\/li>\n\n\n\n<li>Condi\u021bionarea probelor p\u00e2n\u0103 la echilibrul umidit\u0103\u021bii \u00eenainte de testare<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Standardul recomand\u0103, de asemenea, cel pu\u021bin cinci specimene per e\u0219antion atunci c\u00e2nd nu este disponibil\u0103 o estimare istoric\u0103 a varia\u021biei.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru laboratoarele cu suficiente date istorice, num\u0103rul necesar de probe poate fi calculat statistic utiliz\u00e2nd coeficientul de varia\u021bie \u0219i valoarea t a lui Student.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Procedura de \u00eencercare de perforare a geomembranelor<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Procedura de \u00eencercare de perforare a geomembranelor urmeaz\u0103 de obicei urm\u0103torii pa\u0219i:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Condi\u021biona\u021bi e\u0219antioanele \u00een atmosfera de laborator necesar\u0103.<\/li>\n\n\n\n<li>Selecta\u021bi intervalul adecvat al celulei de sarcin\u0103.<\/li>\n\n\n\n<li>Prinde\u021bi bine epruveta \u00eentre dispozitivele de fixare inelare.<\/li>\n\n\n\n<li>Alinia\u021bi tija de punc\u021bie cu centrul zonei de testare nesus\u021binute.<\/li>\n\n\n\n<li>Seta\u021bi viteza de testare la 300 mm\/min.<\/li>\n\n\n\n<li>\u00cencepe\u021bi testul p\u00e2n\u0103 la ruperea complet\u0103.<\/li>\n\n\n\n<li>\u00cenregistra\u021bi for\u021ba maxim\u0103 de perforare.<\/li>\n\n\n\n<li>Calcula\u021bi media \u0219i abaterea standard pentru toate specimenele.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru geomembranele compozite, curba de for\u021b\u0103 poate prezenta dou\u0103 valori de v\u00e2rf. \u00cen acest caz, ASTM D4833 impune raportarea primului v\u00e2rf chiar dac\u0103 al doilea v\u00e2rf este mai mare.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Factori care afecteaz\u0103 rezultatele ASTM D4833<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mai multe variabile pot influen\u021ba rezultatele testelor ASTM D4833:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Grosimea materialului<\/li>\n\n\n\n<li>Tip polimer<\/li>\n\n\n\n<li>Structura de armare<\/li>\n\n\n\n<li>Textura suprafe\u021bei<\/li>\n\n\n\n<li>Condi\u021bionarea e\u0219antionului<\/li>\n\n\n\n<li>Alunecarea clemei<\/li>\n\n\n\n<li>Uzura tijei de perforare<\/li>\n\n\n\n<li>Varia\u021bia vitezei de testare<\/li>\n\n\n\n<li>Amplasarea specimenului \u00een interiorul rolei<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Personalul de control al calit\u0103\u021bii trebuie s\u0103 men\u021bin\u0103 coeren\u021ba acestor factori pentru a reduce variabilitatea \u0219i a \u00eembun\u0103t\u0103\u021bi repetabilitatea.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Beneficiile test\u0103rii ASTM D4833<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4833 ofer\u0103 mai multe avantaje pentru produc\u0103tori \u0219i utilizatorii finali:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proces de testare rapid \u0219i repetabil<\/li>\n\n\n\n<li>Compara\u021bie u\u0219oar\u0103 \u00eentre materiale<\/li>\n\n\n\n<li>Util pentru controlul de rutin\u0103 al calit\u0103\u021bii<\/li>\n\n\n\n<li>Sprijin\u0103 testarea accept\u0103rii transportului<\/li>\n\n\n\n<li>Ajut\u0103 la identificarea varia\u021biilor de produc\u021bie<\/li>\n\n\n\n<li>Furnizeaz\u0103 date fiabile pentru documenta\u021bia tehnic\u0103<\/li>\n\n\n\n<li>\u00cembun\u0103t\u0103\u021be\u0219te \u00eencrederea cump\u0103r\u0103torului \u00een performan\u021ba geomembranelor<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru companiile care produc geomembrane, geotextile, c\u0103ptu\u0219eli compozite sau membrane de impermeabilizare, testele ASTM D4833 pot consolida programele de calificare a produselor \u0219i pot sprijini cerin\u021bele clien\u021bilor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00centreb\u0103ri frecvente<\/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\">Ce m\u0103soar\u0103 ASTM D4833?<\/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\">ASTM D4833 m\u0103soar\u0103 for\u021ba maxim\u0103 necesar\u0103 pentru a perfora o geomembran\u0103 sau un material conex cu ajutorul unei tije de o\u021bel \u00een condi\u021bii de laborator controlate.<\/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\">Care este diametrul tijei de perforare \u00een ASTM D4833?<\/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\">Se specific\u0103 un diametru al tijei de perforare din o\u021bel de 8 \u00b1 0,1 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-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\">Care este viteza de testare \u00een ASTM D4833?<\/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\">Standardul impune o vitez\u0103 de testare de 300 \u00b1 10 mm\/min.<\/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\">C\u00e2te specimene trebuie testate?<\/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\">Majoritatea laboratoarelor testeaz\u0103 cel pu\u021bin cinci specimene per e\u0219antion atunci c\u00e2nd nu sunt disponibile date statistice istorice.<\/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\">De ce este ASTM D4833 important pentru geomembrane?<\/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\">Ajut\u0103 la determinarea faptului dac\u0103 o geomembran\u0103 poate rezista for\u021belor concentrate de perforare \u00een timpul manipul\u0103rii, instal\u0103rii \u0219i \u00eentre\u021binerii.<\/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\">ASTM D4833 poate testa geomembranele compozite?<\/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\">Da. <a href=\"https:\/\/store.astm.org\/d4833_d4833m-07r20.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4833<\/a> poate testa geomembrane compozite \u0219i produse conexe. Dac\u0103 curba de for\u021b\u0103 prezint\u0103 dou\u0103 v\u00e2rfuri, trebuie raportat primul v\u00e2rf.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D4833 evalueaz\u0103 rezisten\u021ba la perforare a geomembranelor \u0219i a materialelor conexe prin m\u0103surarea for\u021bei maxime necesare pentru ca o tij\u0103 de o\u021bel s\u0103 rup\u0103 o prob\u0103 fixat\u0103. Metoda utilizeaz\u0103 un dispozitiv de prindere cu inel, o tij\u0103 de perforare de 8 mm \u0219i o vitez\u0103 de testare de 300 mm\/min.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[56],"class_list":["post-1098","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/ro\/wp-json\/wp\/v2\/standard\/1098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geo-tester.com\/ro\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.geo-tester.com\/ro\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.geo-tester.com\/ro\/wp-json\/wp\/v2\/media?parent=1098"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/ro\/wp-json\/wp\/v2\/standard-category?post=1098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}