{"id":9314,"date":"2026-02-02T11:23:36","date_gmt":"2026-02-02T03:23:36","guid":{"rendered":"https:\/\/www.packqc.com\/applications\/peel-and-shear-test-method\/"},"modified":"2026-03-16T14:58:30","modified_gmt":"2026-03-16T06:58:30","slug":"peel-and-shear-test-method","status":"publish","type":"applications","link":"https:\/\/www.packqc.com\/lt\/applications\/peel-and-shear-test-method\/","title":{"rendered":"Nulupimo ir \u0161lyties bandymo metodas"},"content":{"rendered":"<p><a href=\"https:\/\/www.packqc.com\/lt\/standard\/astm-d6392\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"383\" data-end=\"397\">ASTM D6392<\/strong><\/a> yra visuotinai pripa\u017eintas standartas, naudojamas geomembran\u0173 si\u016bli\u0173, pagamint\u0173 termofuzijos metodu, vientisumui tikrinti. \u0160is bandymo metodas yra labai svarbus nustatant nesustiprint\u0173 geomembranini\u0173 si\u016bli\u0173 kokyb\u0119, ypa\u010d tokiose srityse kaip atliek\u0173 izoliavimas, vandens rezervuarai ir kiti geotechniniai projektai. Standartas apima ir <strong data-start=\"738\" data-end=\"746\">nulupti<\/strong> ir <strong data-start=\"751\" data-end=\"766\">\u0161lyties bandymai<\/strong> \u012fvertinti si\u016bl\u0117s tvirtum\u0105 ir ilgaam\u017ei\u0161kum\u0105.<\/p>\n\n\n\n<p>Geomembran\u0173 si\u016bl\u0117s, kurios yra labai svarbios siekiant u\u017etikrinti barjerini\u0173 sistem\u0173 nepralaidum\u0105, turi b\u016bti tikrinamos d\u0117l <strong data-start=\"920\" data-end=\"937\">\u017eiev\u0117s stiprumas<\/strong> ir <strong data-start=\"942\" data-end=\"960\">\u0161lyties stipris<\/strong> kad b\u016bt\u0173 i\u0161vengta gedim\u0173, pavyzd\u017eiui, nesandarum\u0173 ar si\u016bli\u0173 atsiskyrimo montuojant arba laikui b\u0117gant. . <strong data-start=\"1050\" data-end=\"1080\">Lupimo ir \u0161lyties bandymo metodas<\/strong> pateikiami duomenys, b\u016btini patikimai si\u016bl\u0117s kokybei u\u017etikrinti ir geomembran\u0173 gamybos kokybei u\u017etikrinti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Geomembran\u0173 si\u016bli\u0173 pl\u0117\u0161imo ir \u0161lyties bandymo metodas<\/h2>\n\n\n\n<p>The <strong data-start=\"1263\" data-end=\"1289\">geomembranini\u0173 si\u016bli\u0173 bandymas<\/strong> yra specialiai sukurta si\u016bli\u0173, sukurt\u0173 naudojant skirtingus \u0161ilumini\u0173 si\u016bli\u0173 gamybos b\u016bdus, pvz. <strong data-start=\"1412\" data-end=\"1423\">kar\u0161tas oras<\/strong>, <strong data-start=\"1425\" data-end=\"1438\">kar\u0161tas plei\u0161tas<\/strong>, ir <strong data-start=\"1444\" data-end=\"1457\">ekstruzijos<\/strong> metodai. \u0160iais metodais u\u017etikrinama, kad geomembran\u0173 sluoksniai b\u016bt\u0173 veiksmingai sujungti ir b\u016bt\u0173 i\u0161vengta skys\u010di\u0173 ar duj\u0173 nuot\u0117kio. Geomembran\u0173 si\u016bli\u0173 bandymas pagal ASTM D6392 metod\u0105 padeda u\u017etikrinti, kad si\u016bl\u0117s b\u016bt\u0173 tvirtos, atsparios ir tinkamos naudoti sud\u0117tingomis s\u0105lygomis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Geomembranini\u0173 si\u016bli\u0173 pl\u0117\u0161imo j\u0117gos bandymas<\/h2>\n\n\n\n<p>The <strong data-start=\"1764\" data-end=\"1783\">pl\u0117\u0161imo j\u0117gos bandymas<\/strong> tai ardomasis bandymo metodas, kuriuo matuojama j\u0117ga, reikalinga geomembranos si\u016bl\u0117s sluoksniams atpl\u0117\u0161ti. ASTM D6392 standarte <strong data-start=\"1913\" data-end=\"1932\">90\u00b0 T-peel bandymas<\/strong> paprastai naudojamas. Atliekant \u0161\u012f bandym\u0105 geomembranos si\u016bl\u0117 veikiama j\u0117ga, o bandinys tvirtai suimamas, kad b\u016bt\u0173 galima i\u0161matuoti, kokiu stiprumu atsiskiria suri\u0161ta si\u016bl\u0117. Rezultatas padeda nustatyti galimus si\u016bl\u0117s tr\u016bkumus, d\u0117l kuri\u0173 realiomis s\u0105lygomis gali \u012fvykti gedimas.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2218\" data-end=\"2245\">Nulupimo bandymo standartai:<\/strong> Bandymas atliekamas tam tikromis s\u0105lygomis, kai HDPE ir LMDPE skersin\u0117s galvut\u0117s greitis yra 50 mm\/min, o kitoms lanks\u010dioms med\u017eiagoms, pvz., PVC, LLDPE ir fPP, - 500 mm\/min. Bandymas laikomas baigtu, kai bandinys \u012ftr\u016bksta arba pasiekia reik\u0161ming\u0105 atsiskyrimo ta\u0161k\u0105.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0160lyties j\u0117gos bandymas si\u016bli\u0173 vientisumui nustatyti<\/h3>\n\n\n\n<p>The <strong data-start=\"2569\" data-end=\"2589\">\u0161lyties j\u0117gos bandymas<\/strong> \u012fvertinama, kaip geomembranos si\u016bl\u0117 laikosi veikiant \u0161onin\u0117ms j\u0117goms. Atliekant bandym\u0105 matuojama j\u0117ga, kurios reikia, kad geomembrana atsiskirt\u0173 i\u0161ilgai si\u016bl\u0117s, veikiama \u012ftempi\u0173 geomembranos plok\u0161tumoje. \u0160lyties bandymai ypa\u010d svarb\u016bs vertinant si\u016bli\u0173, kurios gali patirti tokius \u012ftempius realiomis s\u0105lygomis, veikim\u0105.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2935\" data-end=\"2963\">\u0160lyties bandymo standartai:<\/strong> Atliekant \u0161lyties bandym\u0105, kaip ir pl\u0117\u0161imo bandym\u0105, geomembranos bandin\u012f reikia pritvirtinti rankenomis, i\u0161d\u0117stytomis po 25 mm i\u0161 abiej\u0173 si\u016bl\u0117s pusi\u0173. Bandymas atliekamas pastoviu kry\u017emin\u0117s galvut\u0117s grei\u010diu, o skirtingoms geomembran\u0173 med\u017eiagoms taikomas skirtingas greitis.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Geomembran\u0173 si\u016bli\u0173 tempimo stiprumo matavimas<\/h3>\n\n\n\n<p>Kartu su <strong data-start=\"3269\" data-end=\"3277\">nulupti<\/strong> ir <strong data-start=\"3282\" data-end=\"3297\">\u0161lyties bandymai<\/strong>, <strong data-start=\"3299\" data-end=\"3331\">tempimo stiprumo matavimas<\/strong> atlieka labai svarb\u0173 vaidmen\u012f nustatant bendr\u0105 geomembranin\u0117s si\u016bl\u0117s stiprum\u0105. Tempimo bandymai padeda nustatyti, koki\u0105 j\u0117g\u0105 geomembrana gali atlaikyti prie\u0161 nutr\u016bkdama, o tai labai svarbu, kai reikia didel\u0117s apkrovos, pvz., izoliavimo sistemose ar po\u017eeminiuose sluoksniuose.<\/p>\n\n\n\n<p>ASTM D6392, <strong data-start=\"3653\" data-end=\"3672\">tempimo bandymai<\/strong> paprastai atliekamas naudojant <strong data-start=\"3700\" data-end=\"3733\">standartiniai tempimo bandymo metodai<\/strong> nurodyta <strong data-start=\"3746\" data-end=\"3766\">Bandymo metodas D638<\/strong>. \u0160i\u0173 bandym\u0173 rezultatai gali pad\u0117ti nustatyti bendr\u0105 geomembranos si\u016bl\u0117s vientisum\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D6392 standarto svarba geomembran\u0173 kokyb\u0117s kontrolei<\/h2>\n\n\n\n<p><strong data-start=\"3939\" data-end=\"3953\">ASTM D6392<\/strong> geomembran\u0173 gamintojams ir statyb\u0173 specialistams yra svarbi kokyb\u0117s kontrol\u0117s priemon\u0117. Vertinant <strong data-start=\"4081\" data-end=\"4090\">\u0161lyties<\/strong> ir <strong data-start=\"4095\" data-end=\"4112\">\u017eiev\u0117s stiprumas<\/strong> si\u016bli\u0173, \u0161is bandymas u\u017etikrina, kad geomembranos veiks taip, kaip tikimasi, kai jos tarnauja kaip barjeras skys\u010di\u0173 migracijai, apsaugantis nuo u\u017eter\u0161imo ar gedimo.<\/p>\n\n\n\n<p>Naudojant <strong data-start=\"4299\" data-end=\"4313\">ASTM D6392<\/strong> padeda in\u017einieriams ir kokyb\u0117s u\u017etikrinimo komandoms nustatyti defektus ankstyvuoju gamybos proceso etapu, tod\u0117l lengviau spr\u0119sti galimas problemas, kol geomembrana dar neprad\u0117ta naudoti lauke. \u012etraukus <strong data-start=\"4522\" data-end=\"4530\">nulupti<\/strong> ir <strong data-start=\"4535\" data-end=\"4552\">\u0161lyties bandymai<\/strong> kokyb\u0117s u\u017etikrinimo programose suma\u017einama geomembran\u0173 si\u016bli\u0173 gedim\u0173 tikimyb\u0117, tod\u0117l galiausiai apsaugomas visos apsaugin\u0117s sistemos vientisumas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DUK<\/h2>\n\n\n\n<p>1 klausimas: Kas yra ASTM D6392 ir kod\u0117l jis svarbus geomembran\u0173 si\u016bli\u0173 bandymams?<\/p>\n\n\n\n<p><strong>A1:<\/strong><br><strong>ASTM D6392<\/strong> yra standartinis bandym\u0173 metodas, taikomas siekiant \u012fvertinti <strong>nesustiprintos geomembran\u0173 si\u016bl\u0117s<\/strong> gaminami naudojant termofuzijos metodus. Tai svarbu, nes taip u\u017etikrinama, kad gaminant geomembranas, kurios yra labai svarbios izoliaciniams \u012frenginiams, susidariusios si\u016bl\u0117s atitikt\u0173 kokyb\u0117s kontrol\u0117s standartus. Atliekant bandym\u0105 \u012fvertinamas si\u016bl\u0117s atpl\u0117\u0161imo ir \u0161lyties stipris, o tai padeda nustatyti tr\u016bkumus, d\u0117l kuri\u0173 si\u016bl\u0117 gali atsiskirti ir sugesti realaus naudojimo metu. \u0160is bandymas yra labai svarbus siekiant u\u017etikrinti ilgalaik\u012f geomembran\u0173, \u012frengt\u0173 tokiose aplinkose kaip s\u0105vartynai, vandens rezervuarai ir izoliavimo sistemos, patvarum\u0105 ir nepralaidum\u0105.<\/p>\n\n\n\n<p>2 klausimas: Kokie pagrindiniai bandymai atliekami pagal ASTM D6392 standart\u0105?<\/p>\n\n\n\n<p><strong>A2:<\/strong><br>ASTM D6392 apima du pagrindinius bandymus: <strong>nulupimo testas<\/strong> ir <strong>\u0161lyties bandymas<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nulupimo testas<\/strong>: Matuojama j\u0117ga, kurios reikia geomembranos si\u016bl\u0117s sluoksniams atpl\u0117\u0161ti, taip parodant sukibimo stiprum\u0105. \u0160is bandymas paprastai atliekamas taikant 90\u00b0 \u201cT-atpl\u0117\u0161imo\u201d metod\u0105, kai bandiniai, siekiant \u012fvertinti atpl\u0117\u0161imo j\u0117g\u0105, veikiami pastoviu kry\u017emin\u0117s galvut\u0117s grei\u010diu.<\/li>\n\n\n\n<li><strong>\u0160lyties bandymas<\/strong>: \u012evertinama \u0161onin\u0117 j\u0117ga, kurios reikia, kad si\u016bl\u0117 atsiskirt\u0173. Tai padeda \u012fvertinti geomembranin\u0117s si\u016bl\u0117s geb\u0117jim\u0105 atlaikyti \u012ftempius, kurie gali sukelti ply\u0161im\u0105 realiomis s\u0105lygomis. Abu bandymai yra labai svarb\u016bs vertinant bendr\u0105 si\u016bli\u0173 kokyb\u0119 ir stiprum\u0105.<\/li>\n<\/ul>\n\n\n\n<p>3 klausimas: Kokios med\u017eiagos da\u017eniausiai bandomos pagal ASTM D6392 standart\u0105?<\/p>\n\n\n\n<p><strong>A3<\/strong>:<br>ASTM D6392 paprastai taikomas nesustiprintoms geomembranoms, pagamintoms i\u0161 \u012fvairi\u0173 med\u017eiag\u0173, \u012fskaitant:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Labai ma\u017eo tankio polietilenas (VLDPE)<\/strong><\/li>\n\n\n\n<li><strong>Linijinis ma\u017eo tankio polietilenas (LLDPE)<\/strong><\/li>\n\n\n\n<li><strong>Labai lankstus polietilenas (VFPE)<\/strong><\/li>\n\n\n\n<li><strong>Linijinis vidutinio tankio polietilenas (LMDPE)<\/strong><\/li>\n\n\n\n<li><strong>Didelio tankio polietilenas (HDPE)<\/strong><\/li>\n\n\n\n<li><strong>Polivinilchloridas (PVC)<\/strong><\/li>\n\n\n\n<li><strong>Lankstusis polipropilenas (fPP)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u0160ios med\u017eiagos paprastai naudojamos tais atvejais, kai geomembranos turi u\u017etikrinti nepralaid\u0173 barjer\u0105, pavyzd\u017eiui, s\u0105vartyn\u0173 paklotams, vandens rezervuarams ir kasybos darbams.<\/p>\n\n\n\n<p>4 klausimas: Kaip pl\u0117\u0161imo ir \u0161lyties bandym\u0173 rezultatai padeda pagerinti geomembran\u0173 si\u016bli\u0173 kokyb\u0119?<\/p>\n\n\n\n<p><strong>A4:<\/strong><br>Rezultatai i\u0161 <strong>nulupti <\/strong>ir <strong>\u0161lyties bandymai <\/strong>suteikia verting\u0173 \u012f\u017evalg\u0173 apie geomembran\u0173 si\u016bli\u0173 stiprum\u0105 ir ilgaam\u017ei\u0161kum\u0105. Analizuodami \u0161i\u0173 bandym\u0173 duomenis, in\u017einieriai ir kokyb\u0117s kontrol\u0117s specialistai gali nustatyti si\u016bles, kurioms kyla pavojus sugesti veikiant apkrovai. \u0160i informacija leid\u017eia gamintojams imtis taisom\u0173j\u0173 veiksm\u0173, pavyzd\u017eiui, koreguoti si\u016bli\u0173 gamybos b\u016bdus arba gerinti med\u017eiagos kokyb\u0119, prie\u0161 naudojant geomembranas svarbiausiose srityse. Bandymai taip pat padeda steb\u0117ti si\u016bli\u0173 kokyb\u0117s pastovum\u0105, u\u017etikrinant, kad kiekviena geomembran\u0173 med\u017eiagos partija atitikt\u0173 reikalaujamus eksploatacini\u0173 savybi\u0173 ir patikimumo standartus.<\/p>\n\n\n\n<p>5 klausimas: Koki\u0173 tip\u0173 bandym\u0173 \u012frangos reikia ASTM D6392 standartui taikyti?<\/p>\n\n\n\n<p><strong>A5<\/strong>:<br>Tinklalapiui <a href=\"https:\/\/store.astm.org\/d6392-25.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D6392<\/a> bandymai, <strong>tempimo bandymo \u012franga<\/strong> kuris atitinka reikalavimus, i\u0161d\u0117stytus <strong>Bandymo metodas D638<\/strong> yra labai svarbus. \u0160i\u0105 \u012frang\u0105 sudaro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tempimo testeriai<\/strong> su atitinkamomis rankenomis ir skersin\u0117s galvut\u0117s grei\u010dio reguliavimu, kad b\u016bt\u0173 galima atlikti ir pl\u0117\u0161imo, ir \u0161lyties bandymus.<\/li>\n\n\n\n<li><strong>Su\u0117mimo pavir\u0161iai<\/strong> kurie yra ne ma\u017eesnio kaip 25 mm plo\u010dio, u\u017etikrinantys patikim\u0105 geomembranos pavyzd\u017eio laikym\u0105si.<\/li>\n\n\n\n<li><strong>Kalibravimo \u012frankiai<\/strong> kad b\u016bt\u0173 u\u017etikrintas tikslus bandym\u0173 metu veikian\u010dios j\u0117gos matavimas ir pateikimas ataskaitose.<\/li>\n<\/ul>\n\n\n\n<p>Naudojant gerai sukalibruot\u0105 bandymo \u012frang\u0105, pvz. <strong>Cell Instruments' tempimo testeriai<\/strong>, u\u017etikrina tikslius ir pakartojamus rezultatus, kurie yra labai svarb\u016bs tinkamai kokyb\u0117s kontrolei ir u\u017etikrinimui.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D6392 is a widely recognized standard used for testing the integrity of geomembrane seams produced by thermo-fusion methods. This test method is crucial for determining the quality of nonreinforced geomembrane seams, especially in applications like waste containment, water reservoirs, and other geotechnical projects. The standard includes both peel and shear tests to assess the [&hellip;]<\/p>","protected":false},"featured_media":8838,"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-9314","applications","type-applications","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/applications\/9314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/applications"}],"about":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/types\/applications"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media\/8838"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=9314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}