{"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\/lt\/standard\/astm-d7003\/","title":{"rendered":"ASTM D7003"},"content":{"rendered":"<p><strong>ASTM D7003<\/strong> apibr\u0117\u017eia standartizuot\u0105 metod\u0105, skirt\u0105 \u012fvertinti <strong>armuot\u0173 geomembran\u0173 juost\u0173 tempimo savyb\u0117s<\/strong>, kurie pla\u010diai naudojami aplinkos apsaugos sistemose, pavyzd\u017eiui, s\u0105vartynuose, rezervuaruose ir kasybos darbuose. \u0160iose med\u017eiagose polimer\u0173 lak\u0161tai derinami su tekstiliniu sutvirtinimu, tod\u0117l j\u0173 tempimo savyb\u0117s yra sud\u0117tingesn\u0117s nei \u012fprast\u0173 pl\u0117veli\u0173.<\/p>\n\n\n\n<p>\u0160iuo metodu daugiausia d\u0117mesio skiriama <strong>kokyb\u0117s kontrol\u0117s (KK), kokyb\u0117s u\u017etikrinimo (KK) ir mokslini\u0173 tyrim\u0173 taikomosios programos.<\/strong> o ne konstrukcinis projektavimas. Siekiant tiksliai atspind\u0117ti med\u017eiagos eksploatacines savybes, daugiausia d\u0117mesio skiriama bandymams armat\u016bros kryptimis.<\/p>\n\n\n\n<p>Pagrindiniai ASTM D7003 standarto rezultatai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Did\u017eiausias tempimo stipris (kN\/m)<\/li>\n\n\n\n<li>Pailg\u0117jimas esant maksimaliai apkrovai (%)<\/li>\n\n\n\n<li>Apkrova ir pailg\u0117jimas iki galutinio l\u016b\u017eio<\/li>\n\n\n\n<li>Statistinis nuoseklumas (vidurkis ir standartinis nuokrypis)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Geomembranos juostos tempimo bandymas<\/h2>\n\n\n\n<p>The <strong>geomembran\u0173 juost\u0173 tempimo bandymas<\/strong> pagal ASTM D7003 standart\u0105 matuojama, kaip armuotos geomembranos reaguoja \u012f viena\u0161es tempimo j\u0117gas. Skirtingai nuo plataus plo\u010dio tempimo bandym\u0173, \u0161iuo metodu siaurame bandinyje izoliuojamos konkre\u010dios armat\u016bros gijos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bandini\u0173 paruo\u0161imas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Plotis: <strong>25 mm (1 colis)<\/strong><\/li>\n\n\n\n<li>Ilgis: <strong>\u2265150 mm (6 coliai)<\/strong><\/li>\n\n\n\n<li>Orientavimasis: Lygiagre\u010diai armat\u016bros kryp\u010diai (MD arba TD)<\/li>\n\n\n\n<li>Kiekis: Minimalus <strong>5 pavyzd\u017eiai kiekvienai kryp\u010diai<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Svarbiausias reikalavimas yra tas, kad <strong>armuojantys si\u016blai tarp ranken\u0173 turi i\u0161likti i\u0161tisiniai.<\/strong>. Bet kokia pertrauka labai suma\u017eina i\u0161matuot\u0105 stiprum\u0105 ir pakenkia duomen\u0173 patikimumui.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Juosteli\u0173 tempimo bandymo proced\u016bra<\/h2>\n\n\n\n<p>The <strong>juost\u0173 tempimo bandymo proced\u016bra<\/strong> pagal ASTM D7003 standart\u0105, siekiant u\u017etikrinti patikimus rezultatus, laikomasi tikslios sekos:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u017dingsnis po \u017eingsnio proced\u016bra<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Nustatykite matuoklio ilg\u012f<\/strong><br>Sureguliuokite rankenos atskyrim\u0105 taip, kad <strong>75 mm (3 coliai)<\/strong>.<\/li>\n\n\n\n<li><strong>Montavimo pavyzdys<\/strong><br>I\u0161lyginkite bandin\u012f centre, u\u017etikrindami, kad apkrovos kryptis sutapt\u0173 su armat\u016bros orientacija.<\/li>\n\n\n\n<li><strong>Taikyti tempimo apkrov\u0105<\/strong><br>I\u0161tempkite bandin\u012f pastoviu grei\u010diu <strong>300 mm\/min<\/strong> iki gedimo.<\/li>\n\n\n\n<li><strong>Steb\u0117ti elges\u012f<\/strong><br>\u012era\u0161ykite <strong>apkrovos ir i\u0161tempimo kreiv\u0117<\/strong> nuolat.<\/li>\n\n\n\n<li><strong>Patvirtinti rezultatus<\/strong><br>Atmeskite rezultatus, jei:\n<ul class=\"wp-block-list\">\n<li>Pasitaiko pasislinkimas<\/li>\n\n\n\n<li>Pertrauka \u012fvyksta ties rankenomis<\/li>\n\n\n\n<li>Sutvirtinimas i\u0161traukiamas nesulau\u017eant<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Pakartotinis testavimas<\/strong><br>Atlikite vis\u0173 bandini\u0173 bandymus abiem kryptimis.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Pagrindiniai u\u017eregistruoti duomenys<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Did\u017eiausia apkrova<\/li>\n\n\n\n<li>Rankenos atskyrimas esant did\u017eiausiai apkrovai<\/li>\n\n\n\n<li>Apkrova per galutin\u0119 pertrauk\u0105<\/li>\n\n\n\n<li>Pailg\u0117jimas iki galutinio l\u016b\u017eio<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Geomembran\u0173 pailg\u0117jimo bandymas<\/h2>\n\n\n\n<p>The <strong>geomembranos pailg\u0117jimo bandymas<\/strong> nustato, kiek bandinys i\u0161sitempia iki suirimo, ir taip suteikia informacijos apie plasti\u0161kum\u0105 ir armat\u016bros efektyvum\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pailg\u0117jimo skai\u010diavimas<\/h3>\n\n\n\n<p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mtext>Ilg\u0117jimas (%)<\/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{Prat\u0119simas (\\%)} = \\frac{\\Delta L}{75} \\ kart\u0173 100<\/annotation><\/semantics><\/math>Pailg\u0117jimas (%)=75\u0394L\u00d7100<\/p>\n\n\n\n<p>Kur:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0394L = sukibimo poslinkis (mm)<\/li>\n\n\n\n<li>75 mm = pradinis gabarito ilgis<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Vertimas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ma\u017eas pailg\u0117jimas<\/strong> \u2192 standi, didelio stiprumo armat\u016bra<\/li>\n\n\n\n<li><strong>Didelis pailg\u0117jimas<\/strong> \u2192 lanksti strukt\u016bra, geresn\u0117 deformacij\u0173 tolerancija<\/li>\n<\/ul>\n\n\n\n<p>Abi vert\u0117s yra labai svarbios vertinant <strong>veikimas lauko s\u0105lygomis<\/strong>, ypa\u010d izoliavimo sistemose.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rekomendacijos d\u0117l ASTM D7003 bandym\u0173 \u012frangos<\/h2>\n\n\n\n<p>Norint tiksliai vykdyti ASTM D7003 standart\u0105, reikia <strong>didelio tikslumo tempimo bandymo sistema<\/strong>. . <strong>Cell Instruments TST-01 <a href=\"https:\/\/www.packqc.com\/lt\/products\/sale-packaging-tensile-strength-tester-film\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tempimo testeris<\/a><\/strong> ypa\u010d tinka \u0161iam tikslui.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kod\u0117l verta rinktis TST-01?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stabilus PLC valdymas su HMI s\u0105saja<\/strong> u\u017etikrina tiksl\u0173 bandym\u0173 valdym\u0105.<\/li>\n\n\n\n<li><strong>Platus grei\u010dio diapazonas (1-500 mm\/min)<\/strong> lengvai atitinka 300 mm\/min reikalavim\u0105.<\/li>\n\n\n\n<li><strong>Didelis poslinkio tikslumas (\u00b10,01 mm)<\/strong> palaiko tiksl\u0173 pailg\u0117jimo matavim\u0105<\/li>\n\n\n\n<li><strong>Pritaikomi \u012frenginiai<\/strong> pritaikyti geomembran\u0173 pavyzd\u017eius<\/li>\n\n\n\n<li><strong>Kreiv\u0117s rodymas realiuoju laiku<\/strong> pagerina duomen\u0173 analiz\u0119.<\/li>\n<\/ul>\n\n\n\n<p>U\u017etikrinkite tikslius ir ASTM D7003 reikalavimus atitinkan\u010dius bandymus naudodami pa\u017eangius tempimo bandym\u0173 sprendimus. Tinkama \u012franga leid\u017eia tiksliai i\u0161matuoti tempimo stipr\u012f ir pailg\u0117jim\u0105, padeda i\u0161laikyti gamini\u0173 kokyb\u0119 ir atitikti tarptautinius standartus. Cell Instruments si\u016blo patikimas, pritaikomas sistemas, skirtas geomembran\u0173 bandymams. Optimizuokite bandym\u0173 darbo eig\u0105, pagerinkite duomen\u0173 nuoseklum\u0105 ir sustiprinkite kokyb\u0117s u\u017etikrinimo proces\u0105 naudodami profesionali\u0105 tempimo bandym\u0173 technologij\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DUK apie ASTM D7003<\/h2>\n\n\n\n<p>1. Kam naudojamas ASTM D7003?<br>Juo vertinamos armuot\u0173 geomembran\u0173 tempimo savyb\u0117s kokyb\u0117s kontrol\u0117s, kokyb\u0117s u\u017etikrinimo ir mokslini\u0173 tyrim\u0173 tikslais.<\/p>\n\n\n\n<p>2. Kod\u0117l bandiniai turi atitikti armat\u016bros krypt\u012f?<br>Kadangi tempimo stipris labai priklauso nuo armat\u016bros orientacijos, d\u0117l neteisingo suderinimo gaunami netiksl\u016bs rezultatai.<\/p>\n\n\n\n<p>3. Kas atsitinka, jei si\u016blai n\u0117ra i\u0161tisiniai?<br>I\u0161matuotas tempimo stipris labai suma\u017e\u0117ja, tod\u0117l rezultatas negalioja.<\/p>\n\n\n\n<p>4. Ar A<a href=\"https:\/\/store.astm.org\/d7003_d7003m-03r21.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">STM D7003<\/a> tinka projektiniams skai\u010diavimams?<br>Ne, tai yra indekso testas ir netur\u0117t\u0173 b\u016bti tiesiogiai naudojamas in\u017eineriniam projektavimui.<\/p>\n\n\n\n<p>5. Koks yra standartinis bandymo greitis?<br>Reikalaujamas skersin\u0117s galvut\u0117s greitis yra 300 mm\/min.<\/p>\n\n\n\n<p>6. Kaip apskai\u010diuojamas tempiamasis stipris?<br>Did\u017eiausi\u0105 apkrov\u0105 padalijus i\u0161 bandinio plo\u010dio ir i\u0161rei\u0161kus 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\/lt\/wp-json\/wp\/v2\/standard\/10102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media\/10103"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=10102"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard-category?post=10102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}