{"id":10157,"date":"2026-03-26T15:20:25","date_gmt":"2026-03-26T07:20:25","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10157"},"modified":"2026-03-26T15:20:26","modified_gmt":"2026-03-26T07:20:26","slug":"astm-d6636","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/astm-d6636\/","title":{"rendered":"ASTM D6636"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Porozum\u011bn\u00ed norm\u011b ASTM D6636 a jej\u00edmu v\u00fdznamu<\/h2>\n\n\n\n<p><strong>ASTM D6636<\/strong> definuje standardizovanou metodu hodnocen\u00ed <strong>pevnost adheze mezi vrstvami vyztu\u017een\u00fdch geomembr\u00e1n<\/strong> s pou\u017eit\u00edm konfigurace odlupov\u00e1n\u00ed 180\u00b0. In\u017een\u00fd\u0159i a odborn\u00edci na kontrolu kvality se spol\u00e9haj\u00ed na normu ASTM D6636 p\u0159i ov\u011b\u0159ov\u00e1n\u00ed celistvosti lepen\u00ed v\u00edcevrstv\u00fdch geomembr\u00e1nov\u00fdch konstrukc\u00ed, jako jsou potahovan\u00e9 tkaniny a vnit\u0159n\u011b vyztu\u017een\u00e9 vlo\u017eky.<\/p>\n\n\n\n<p>Tato zku\u0161ebn\u00ed metoda poskytuje <strong>hodnota kvantitativn\u00edho indexu<\/strong>, co\u017e umo\u017e\u0148uje v\u00fdrobc\u016fm a u\u017eivatel\u016fm stanovit minim\u00e1ln\u00ed p\u0159ijateln\u00e9 prahov\u00e9 hodnoty p\u0159ilnavosti. Tyto prahov\u00e9 hodnoty zaji\u0161\u0165uj\u00ed spolehlivou funk\u010dnost geomembr\u00e1n v n\u00e1ro\u010dn\u00fdch aplikac\u00edch, jako jsou skl\u00e1dkov\u00e9 vlo\u017eky, d\u016fln\u00ed ochrann\u00e9 syst\u00e9my a vodn\u00ed n\u00e1dr\u017ee.<\/p>\n\n\n\n<p>Na rozd\u00edl od obecn\u00fdch tahov\u00fdch zkou\u0161ek se norma ASTM D6636 zam\u011b\u0159uje zejm\u00e9na na <strong>v\u00fdkon mezivrstv\u00e9ho lepen\u00ed<\/strong>, co\u017e p\u0159\u00edmo ovliv\u0148uje \u017eivotnost, odolnost proti \u00faniku a dlouhodobou integritu konstrukce.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka p\u0159ilnavosti vrstev podle normy ASTM D6636<\/h2>\n\n\n\n<p>The <strong>zkou\u0161ka pevnosti p\u0159ilnavosti vrstev<\/strong> popsan\u00e1 v norm\u011b ASTM D6636 m\u011b\u0159\u00ed s\u00edlu pot\u0159ebnou k odd\u011blen\u00ed lepen\u00fdch vrstev na jednotku \u0161\u00ed\u0159ky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00fd koncept<\/h3>\n\n\n\n<p>Test hodnot\u00ed p\u0159ilnavost podle vzorce:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPA = F \/ W<\/strong>\n<ul class=\"wp-block-list\">\n<li>SPA: Pevnost p\u0159ilnavosti vrstev<\/li>\n\n\n\n<li>F: nam\u011b\u0159en\u00e1 s\u00edla<\/li>\n\n\n\n<li>W: \u0160\u00ed\u0159ka vzorku<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Praktick\u00fd vhled<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00fdsledek odr\u00e1\u017e\u00ed <strong>kvalita dluhopis\u016f<\/strong>, nikoliv pouze pevnost materi\u00e1lu<\/li>\n\n\n\n<li>Vy\u0161\u0161\u00ed hodnoty ukazuj\u00ed na siln\u011bj\u0161\u00ed mezivrstvovou vazbu.<\/li>\n\n\n\n<li>Trh\u00e1n\u00ed b\u011bhem testov\u00e1n\u00ed \u010dasto nazna\u010duje <strong>p\u0159ilnavost p\u0159ekra\u010duje pevnost materi\u00e1lu v tahu<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pro\u010d na tom z\u00e1le\u017e\u00ed<\/h3>\n\n\n\n<p>V\u00fdrobci a kupuj\u00edc\u00ed pou\u017e\u00edvaj\u00ed tento test k:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Definice <strong>krit\u00e9ria p\u0159ijatelnosti v\u00fdrobku<\/strong><\/li>\n\n\n\n<li>Monitor <strong>konzistence procesu<\/strong><\/li>\n\n\n\n<li>Zajistit <strong>soulad se smluvn\u00edmi specifikacemi<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Postup zkou\u0161en\u00ed odlupov\u00e1n\u00ed geomembr\u00e1n podle normy ASTM D6636<\/h2>\n\n\n\n<p>The <strong>testov\u00e1n\u00ed odlupov\u00e1n\u00ed geomembr\u00e1n<\/strong> postup se \u0159\u00edd\u00ed kontrolovanou a opakovatelnou sekvenc\u00ed, aby byla zaji\u0161t\u011bna p\u0159esnost.<\/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>Ru\u010dn\u00ed odd\u011blen\u00ed vrstev pro <strong>25-50 mm<\/strong><\/li>\n\n\n\n<li>Zajist\u011bte \u010dist\u00e9 a rovnom\u011brn\u00e9 zah\u00e1jen\u00ed loup\u00e1n\u00ed<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nastaven\u00ed testu<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oba konce pevn\u011b upn\u011bte do tahov\u00e9ho zku\u0161ebn\u00edho stroje.<\/li>\n\n\n\n<li>Udr\u017eujte <strong>\u00dahel odlupov\u00e1n\u00ed 180\u00b0<\/strong><\/li>\n\n\n\n<li>Vyhn\u011bte se kroucen\u00ed nebo nerovnom\u011brn\u00e9mu rozlo\u017een\u00ed nap\u011bt\u00ed.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Testovac\u00ed podm\u00ednky<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rychlost: <strong>50 mm\/min (konstantn\u00ed rychlost prodlu\u017eov\u00e1n\u00ed)<\/strong><\/li>\n\n\n\n<li>\u0935\u093e\u0924\u093e\u0935\u0930\u0923:\n<ul class=\"wp-block-list\">\n<li>Teplota: <strong>21 \u00b1 2\u00b0C<\/strong><\/li>\n\n\n\n<li>Vlhkost: <strong>50-70% RH<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Proveden\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zaznamen\u00e1vejte s\u00edlu nep\u0159etr\u017eit\u011b po dobu nejm\u00e9n\u011b <strong>D\u00e9lka odd\u011blen\u00ed 100 mm<\/strong><\/li>\n\n\n\n<li>Sledujte zp\u016fsob poruchy:\n<ul class=\"wp-block-list\">\n<li>Odd\u011blov\u00e1n\u00ed lepidla<\/li>\n\n\n\n<li>Selh\u00e1n\u00ed soudr\u017enosti<\/li>\n\n\n\n<li>Trh\u00e1n\u00ed materi\u00e1lu<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">D\u016fle\u017eit\u00e1 pozn\u00e1mka<\/h3>\n\n\n\n<p>Pokud k roztr\u017een\u00ed doch\u00e1z\u00ed opakovan\u011b, norma ASTM D6636 uv\u00e1d\u00ed, \u017ee:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Pevnost v p\u0159ilnavosti je vy\u0161\u0161\u00ed ne\u017e pevnost materi\u00e1lu v tahu a v\u00fdsledky mus\u00ed b\u00fdt odpov\u00eddaj\u00edc\u00edm zp\u016fsobem zaznamen\u00e1ny.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 faktory ovliv\u0148uj\u00edc\u00ed v\u00fdsledky normy ASTM D6636<\/h2>\n\n\n\n<p>Pro z\u00edsk\u00e1n\u00ed spolehliv\u00fdch v\u00fdsledk\u016f podle normy ASTM D6636 mus\u00ed laborato\u0159e kontrolovat n\u011bkolik prom\u011bnn\u00fdch:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Vyrovn\u00e1n\u00ed vzork\u016f<\/h3>\n\n\n\n<p>Nespr\u00e1vn\u00e9 se\u0159\u00edzen\u00ed vede k nerovnom\u011brn\u00e9mu rozlo\u017een\u00ed nap\u011bt\u00ed a nep\u0159esn\u00fdm \u00fadaj\u016fm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Konzistence \u00fahlu odlupov\u00e1n\u00ed<\/h3>\n\n\n\n<p>Odchylka od 180\u00b0 sni\u017euje srovnatelnost v\u00fdsledk\u016f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Testov\u00e1n\u00ed stability rychlosti<\/h3>\n\n\n\n<p>Kol\u00eds\u00e1n\u00ed rychlosti p\u0159\u00edmo ovliv\u0148uje nam\u011b\u0159en\u00e9 hodnoty s\u00edly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Podm\u00ednky prost\u0159ed\u00ed<\/h3>\n\n\n\n<p>Kol\u00eds\u00e1n\u00ed teploty a vlhkosti ovliv\u0148uje chov\u00e1n\u00ed materi\u00e1lu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Interpretace zp\u016fsobu poruchy<\/h3>\n\n\n\n<p>Spr\u00e1vn\u00e9 rozli\u0161ov\u00e1n\u00ed mezi <strong>poruchy adheze a trh\u00e1n\u00ed<\/strong> je pro spr\u00e1vn\u00e9 vykazov\u00e1n\u00ed z\u00e1sadn\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tahov\u00e1 zkou\u0161ka CRE pro testov\u00e1n\u00ed geomembr\u00e1n<\/h2>\n\n\n\n<p>A <strong><a href=\"https:\/\/www.packqc.com\/cs\/products\/sale-packaging-tensile-strength-tester-film\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tahov\u00e1 zkou\u0161ka CRE<\/a> pro geomembr\u00e1ny<\/strong> aplikace hraje rozhoduj\u00edc\u00ed roli p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed p\u0159esnosti a opakovatelnosti zkou\u0161ek podle normy ASTM D6636.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pro\u010d CRE (Constant Rate of Extension)?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Udr\u017euje <strong>rovnom\u011brn\u00e1 separa\u010dn\u00ed rychlost<\/strong><\/li>\n\n\n\n<li>Zaji\u0161\u0165uje <strong>konzistentn\u00ed m\u011b\u0159en\u00ed s\u00edly<\/strong><\/li>\n\n\n\n<li>Spl\u0148uje procedur\u00e1ln\u00ed po\u017eadavky normy ASTM D6636<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Doporu\u010den\u00e9 \u0159e\u0161en\u00ed: Cell Instruments TST-01<\/h3>\n\n\n\n<p>The <strong><a href=\"https:\/\/www.packqc.com\/cs\/products\/sale-packaging-tensile-strength-tester-film\/\" target=\"_blank\" rel=\"noreferrer noopener\">Zkou\u0161e\u010dka tahu TST-01<\/a><\/strong> z Cell Instruments poskytuje optim\u00e1ln\u00ed platformu pro testov\u00e1n\u00ed podle normy ASTM D6636:<\/p>\n\n\n\n<p><strong>Hlavn\u00ed v\u00fdhody:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Syst\u00e9m \u0159\u00edzen\u00fd PLC<\/strong> zaji\u0161\u0165uje stabiln\u00ed a p\u0159esn\u00fd provoz<\/li>\n\n\n\n<li><strong>\u0160irok\u00fd rozsah rychlosti (1-500 mm\/min)<\/strong> pln\u011b pokr\u00fdv\u00e1 po\u017eadavky normy ASTM D6636<\/li>\n\n\n\n<li><strong>Vysok\u00e1 p\u0159esnost (0,5% FS)<\/strong> zaru\u010duje spolehliv\u00e9 m\u011b\u0159en\u00ed s\u00edly<\/li>\n\n\n\n<li><strong>P\u0159esn\u00fd kuli\u010dkov\u00fd \u0161roubov\u00fd mechanismus<\/strong> poskytuje plynul\u00fd pohyb p\u0159i odlupov\u00e1n\u00ed<\/li>\n\n\n\n<li><strong>Kompatibilita s v\u00edce sv\u00edtidly<\/strong> podporuje zkou\u0161ky odlupov\u00e1n\u00ed, tahu a pr\u016frazu.<\/li>\n\n\n\n<li><strong>Zobrazen\u00ed k\u0159ivky v re\u00e1ln\u00e9m \u010dase<\/strong> zlep\u0161uje interpretaci dat<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Praktick\u00e1 hodnota<\/h3>\n\n\n\n<p>S vhodn\u00fdm p\u0159\u00edslu\u0161enstv\u00edm umo\u017e\u0148uje TST-01 laborato\u0159\u00edm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prove\u010fte <strong>180\u00b0 testy loup\u00e1n\u00ed s vysokou opakovatelnost\u00ed<\/strong><\/li>\n\n\n\n<li>Efektivn\u00ed p\u0159ep\u00edn\u00e1n\u00ed mezi r\u016fzn\u00fdmi testovac\u00edmi metodami<\/li>\n\n\n\n<li>zlep\u0161it <strong>testov\u00e1n\u00ed propustnosti a konzistence<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Zajist\u011bte, aby va\u0161e geomembr\u00e1nov\u00e9 v\u00fdrobky spl\u0148ovaly po\u017eadavky normy ASTM D6636 pomoc\u00ed p\u0159esn\u00e9ho a spolehliv\u00e9ho testov\u00e1n\u00ed p\u0159ilnavosti vrstev. Pomoc\u00ed vysoce v\u00fdkonn\u00e9ho tahov\u00e9ho testeru CRE, jako je TST-01, m\u016f\u017eete dos\u00e1hnout p\u0159esn\u00e9ho m\u011b\u0159en\u00ed odlupov\u00e1n\u00ed v \u00fahlu 180\u00b0, konzistentn\u00ed rychlosti testov\u00e1n\u00ed a spolehliv\u00fdch v\u00fdstupn\u00edch dat. Zlep\u0161ete kontrolu kvality, ov\u011b\u0159te v\u00fdkonnost materi\u00e1lu a spolehliv\u011b spl\u0148te pr\u016fmyslov\u00e9 normy. Kontaktujte spole\u010dnost Cell Instruments je\u0161t\u011b dnes a optimalizujte sv\u00e1 \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed geomembr\u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n<p>1. Co m\u011b\u0159\u00ed norma ASTM D6636?<br>Norma ASTM D6636 m\u011b\u0159\u00ed <strong>s\u00edla pot\u0159ebn\u00e1 k odd\u011blen\u00ed slepen\u00fdch vrstev<\/strong> ve vyztu\u017een\u00fdch geomembr\u00e1n\u00e1ch pomoc\u00ed zkou\u0161ky odlupov\u00e1n\u00ed pod \u00fahlem 180\u00b0.<\/p>\n\n\n\n<p>2. Jak\u00e1 je standardn\u00ed testovac\u00ed rychlost v <a href=\"https:\/\/store.astm.org\/d6636-01r23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D6636<\/a>?<br>Norma specifikuje <strong>konstantn\u00ed rychlost 50 mm\/min<\/strong>, co\u017e zaji\u0161\u0165uje konzistentn\u00ed a srovnateln\u00e9 v\u00fdsledky.<\/p>\n\n\n\n<p>3. Co se stane, kdy\u017e se vzorek b\u011bhem testov\u00e1n\u00ed roztrhne?<br>Pokud k roztr\u017een\u00ed doch\u00e1z\u00ed opakovan\u011b, pova\u017euje se pevnost p\u0159ilnavosti za <strong>vy\u0161\u0161\u00ed ne\u017e pevnost v roztr\u017een\u00ed<\/strong>, a v\u00fdsledky mus\u00ed tuto podm\u00ednku odr\u00e1\u017eet.<\/p>\n\n\n\n<p>4. Pro\u010d je zapot\u0159eb\u00ed tahov\u00e1 zkou\u0161ka CRE?<br>Tahov\u00e1 zkou\u0161e\u010dka CRE zaji\u0161\u0165uje <strong>konstantn\u00ed rychlost prodlu\u017eov\u00e1n\u00ed<\/strong>, co\u017e je rozhoduj\u00edc\u00ed pro z\u00edsk\u00e1n\u00ed p\u0159esn\u00fdch a standardizovan\u00fdch v\u00fdsledk\u016f.<\/p>\n\n\n\n<p>5. Jak se vypo\u010d\u00edt\u00e1v\u00e1 pevnost p\u0159ilnavosti vrstev?<br>Vypo\u010d\u00edt\u00e1 se jako <strong>s\u00edla d\u011blen\u00e1 \u0161\u00ed\u0159kou vzorku<\/strong>, a poskytuje tak normalizovanou hodnotu pro srovn\u00e1n\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"<p>Porozum\u011bn\u00ed norm\u011b ASTM D6636 a jej\u00edmu v\u00fdznamu Norma ASTM D6636 definuje standardizovanou metodu pro hodnocen\u00ed adhezn\u00ed pevnosti mezi vrstvami vyztu\u017een\u00fdch geomembr\u00e1n pomoc\u00ed konfigurace 180\u00b0 odlupov\u00e1n\u00ed. In\u017een\u00fd\u0159i a odborn\u00edci na kontrolu kvality se spol\u00e9haj\u00ed na normu ASTM D6636 p\u0159i ov\u011b\u0159ov\u00e1n\u00ed integrity lepen\u00ed u v\u00edcevrstv\u00fdch geomembr\u00e1nov\u00fdch konstrukc\u00ed, jako jsou potahov\u00e9 tkaniny a vnit\u0159n\u011b vyztu\u017een\u00e9 vlo\u017eky. Tato zku\u0161ebn\u00ed metoda [...]<\/p>","protected":false},"featured_media":10158,"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-10157","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/10157","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\/10158"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=10157"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=10157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}