{"id":1311,"date":"2025-07-30T04:19:42","date_gmt":"2025-07-29T20:19:42","guid":{"rendered":"https:\/\/www.lianyigeosyn.com\/?p=1311"},"modified":"2025-07-26T08:37:04","modified_gmt":"2025-07-26T00:37:04","slug":"indentifying-tensile-strength-and-reinforcement-performance-of-triaxial-geogrid","status":"publish","type":"post","link":"https:\/\/www.lianyigeosyn.com\/lt\/triasio-geotinklo-atsparumo-tempimui-ir-armaturos-savybiu-nustatymas\/","title":{"rendered":"Tria\u0161io geotinklo atsparumo tempimui ir armat\u016bros savybi\u0173 nustatymas"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\">Norint nustatyti tria\u0161i\u0173 geotinkl\u0173 atsparum\u0105 tempimui ir armat\u016bros savybes, palyginti su dvia\u0161iais geotinklais, reikia suprasti j\u0173 esminius strukt\u016brinius skirtumus ir j\u0173 poveik\u012f bandymams bei eksploatacin\u0117ms savyb\u0117ms:<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>Pagrindinis strukt\u016brinis skirtumas:<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Dvia\u0161iai:<\/strong>\u00a0Sta\u010diakampio formos tinklelio ra\u0161tas. Stiprumas daugiausia dviem statmenomis kryptimis (ma\u0161ina ir skersai ma\u0161inos). Angos paprastai yra sta\u010diakamp\u0117s.<\/p>\n<p><figure id=\"attachment_499\" aria-describedby=\"caption-attachment-499\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-499\" title=\"PP dvia\u0161is geotinklas\" src=\"https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2023\/11\/photobank-60-300x300.jpg\" alt=\"PP dvia\u0161is geotinklas\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2023\/11\/photobank-60-300x300.jpg 300w, https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2023\/11\/photobank-60-150x150.jpg 150w, https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2023\/11\/photobank-60.jpg 750w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-499\" class=\"wp-caption-text\">PP dvia\u0161is geotinklas<\/figcaption><\/figure><\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Tria\u0161is:<\/strong>\u00a0Trikampio formos tinklelio ra\u0161tas. Stiprumas paskirstytas\u00a0<strong>trys<\/strong>\u00a0pagrindin\u0117mis kryptimis (paprastai 60\u00b0 arba 120\u00b0 kampu). Apert\u016bros paprastai b\u016bna trikamp\u0117s arba \u0161e\u0161iakamp\u0117s.<\/p>\n<p><figure id=\"attachment_1153\" aria-describedby=\"caption-attachment-1153\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-1153\" title=\"tria\u0161is geotinklas 1\" src=\"https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2025\/03\/triaxial-geogrid-1-300x225.jpg\" alt=\"tria\u0161is geotinklas 1\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2025\/03\/triaxial-geogrid-1-300x225.jpg 300w, https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2025\/03\/triaxial-geogrid-1-1024x768.jpg 1024w, https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2025\/03\/triaxial-geogrid-1-768x576.jpg 768w, https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2025\/03\/triaxial-geogrid-1-16x12.jpg 16w, https:\/\/www.lianyigeosyn.com\/wp-content\/uploads\/2025\/03\/triaxial-geogrid-1.jpg 1440w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1153\" class=\"wp-caption-text\">PP tria\u0161is geotinklas\u00a0<\/figcaption><\/figure><\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Tempimo stiprumo nustatymas:<\/strong><\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Standartinis tempimo bandymas (ASTM D6637 \/ ISO 10319):<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>I\u0161\u0161\u016bkis:<\/strong>\u00a0Standartiniais bandymais sta\u010diakampiai bandiniai traukiami viena kryptimi. Tai gerai tinka dvia\u0161iams geotinklams, kurie turi apibr\u0117\u017etas stipri\u0105sias kryptis.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Tria\u0161iam:<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Izotropin\u0117 prigimtis:<\/strong>\u00a0Tria\u0161iai geotinklai suprojektuoti taip, kad j\u0173 stipris b\u016bt\u0173 beveik vienodas visomis plok\u0161tumos kryptimis. Bandymai\u00a0<em>bet kuris<\/em>\u00a0viena kryptimi teori\u0161kai tur\u0117t\u0173 b\u016bti gauti pana\u0161\u016bs rezultatai.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Testavimo protokolas:<\/strong>\u00a0Gerai \u017einomi gamintojai i\u0161bando bandinius, supjaustytus keliomis kryptimis (pvz., 0\u00b0, 60\u00b0, 120\u00b0), kad patvirtint\u0173 izotropines savybes ir prane\u0161t\u0173 apie\u00a0<strong>vidutinis tempimo stipris<\/strong>\u00a0ir\u00a0<strong>modulis<\/strong>.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Ie\u0161kokite:<\/strong>\u00a0Gamintojo duomen\u0173 lapuose tur\u0117t\u0173 b\u016bti ai\u0161kiai nurodytos tempimo stiprio (pvz., Tult) ir standumo (J) vert\u0117s, nurodant, kad tai yra vidutin\u0117s vert\u0117s, gautos atlikus daugiakryp\u010dius bandymus pagal atitinkam\u0105 standart\u0105. B\u016bkite atsarg\u016bs d\u0117l duomen\u0173, nurodan\u010di\u0173 tik vien\u0105 krypt\u012f, jei juose teigiama, kad jie yra izotropi\u0161ki.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\"Rib &amp; Junction\" efektyvumas:<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Nors bendrasis tempiamasis stipris yra pagrindinis rodiklis, labai svarbus yra j\u0117gos perdavimo tarp briaun\u0173 sankry\u017eose efektyvumas. Tai pana\u0161iai tikrinama abiej\u0173 tip\u0173 bandymuose (pvz., ASTM D7864 - tempimo bandymas su viena briauna \/ jungtimi). Tri\u0161ak\u0117s jungtys da\u017enai turi specifin\u0119 geometrij\u0105 d\u0117l trikampio formos.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\"><strong>Pastiprinimo efektyvumo nustatymas:<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\">Eksploatacin\u0117s savyb\u0117s neapsiriboja vien tik atsparumu tempimui. Svarbu, kaip geotinklas s\u0105veikauja su dirvo\u017eemiu\/agregatu:<\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Diafragmos stabilumas ir blokavimas (pagrindinis skiriamasis po\u017eymis):<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Dvia\u0161iai:<\/strong>\u00a0Sta\u010diakampio formos angos u\u017etikrina ger\u0105 susikirtim\u0105 daugiausia dviem stipriosiomis kryptimis. Stabilumas labai priklauso nuo sand\u016bros stiprumo.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Tria\u0161is:<\/strong>\u00a0Trikampio formos tinklelio strukt\u016bra u\u017etikrina neatsiejam\u0105\u00a0<strong>radialinis standumas<\/strong>\u00a0ir daugiau\u00a0<strong>diafragmos stabilumas<\/strong>. Bet kuria kryptimi veikian\u010dios apkrovos efektyviau pasiskirsto per trikampes briaunas, tod\u0117l suma\u017e\u0117ja angos i\u0161kraipymai. Tai da\u017enai lemia:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Patobulintas daleli\u0173 sulaikymas:<\/strong>\u00a0Trikampio formos angos gali geriau sulaikyti kampuotas agregato daleles ir taip suma\u017einti j\u0173 jud\u0117jim\u0105.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Suma\u017einti lokalizuoti \u012ftempiai:<\/strong>\u00a0Apkrovos pasiskirsto radialiai, tod\u0117l suma\u017e\u0117ja ta\u0161kiniai agregato \u012ftempiai.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Kaip atpa\u017einti:<\/strong>\u00a0Veiklos duomen\u0173 ie\u0161kokite i\u0161\u00a0<strong>didel\u0117s apimties modeli\u0173 bandymai<\/strong>\u00a0(pvz., ciklin\u0117 apkrova asfaltuotuose ir neasfaltuotuose keliuose, i\u0161traukimo bandymai, laikomosios galios bandymai), kuriuose tiesiogiai lyginami dvia\u0161iai ir tria\u0161iai geotinklai.\u00a0<em>identi\u0161komis s\u0105lygomis<\/em>. Veiklos rodikliai:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u012edubos gylio suma\u017e\u0117jimas<\/strong>\u00a0(\u0161aligatviams)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Padid\u0117jusi laikomoji galia<\/strong>\u00a0arba\u00a0<strong>Modulio pagerinimo koeficientas (MIF)<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Reikalaujamo agregato storio suma\u017einimas<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Atsparumas i\u0161traukimui<\/strong>\u00a0(did\u017eiausia j\u0117ga ir s\u0105veikos koeficientas - Ci)<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Gamintojo duomenys:<\/strong>\u00a0Gerai \u017einomi tria\u0161io geotinklo gamintojai daug investuoja \u012f tokio tipo bandymus ir pateikia lyginamuosius duomenis, \u012frodan\u010dius eksploatacini\u0173 savybi\u0173 prana\u0161um\u0105, palyginti su dvia\u0161iais tinklais, esant vienodam tempimo stipriui.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Strukt\u016brinis ind\u0117lis - \u012ftemptos membranos poveikis:<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Abiej\u0173 tip\u0173 geotinklai i\u0161siskiria \u012ftempimu, kad b\u016bt\u0173 galima apjuosti mink\u0161tas vietas. D\u0117l tri\u0161aki\u0173 geotinkl\u0173 radialinio standumo ir stabilumo \u0161is poveikis gali b\u016bti veiksmingesnis, tod\u0117l armat\u016bra gali suaktyv\u0117ti esant ma\u017eesn\u0117ms deformacijoms. Apie tai sprend\u017eiama i\u0161 eksploatacini\u0173 savybi\u0173 bandym\u0173 (pvz., griovio gylio suma\u017e\u0117jimo).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Atsparumas \u0161liau\u017eimui:<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Ilgalaikis veikimas esant pastoviai apkrovai yra labai svarbus. Abiej\u0173 tip\u0173 med\u017eiagos bandomos d\u0117l \u0161liau\u017eimo (ASTM D5262). Eksploatacin\u0117s savyb\u0117s priklauso nuo med\u017eiagos (HDPE, PP, PET, dengtas poliesteris), o ne tik nuo strukt\u016bros. U\u017etikrinkite, kad gamintojas pateikt\u0173 sertifikuotus \u0161liau\u017eimo ma\u017einimo koeficientus.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\"><strong>Apibendrinimas ir pagrindiniai identifikavimo aspektai:<\/strong><\/p>\n<div class=\"markdown-table-wrapper\">\n<table>\n<thead>\n<tr>\n<th><strong>Parametras<\/strong><\/th>\n<th><strong>Dvia\u0161is geotinklas<\/strong><\/th>\n<th><strong>Tria\u0161is geotinklas<\/strong><\/th>\n<th><strong>Identifikavimo metodas<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Strukt\u016bra<\/strong><\/td>\n<td>Sta\u010diakampis tinklelis, 2 pagrindin\u0117s kryptys<\/td>\n<td>Trikampis tinklelis, 3 pagrindin\u0117s kryptys<\/td>\n<td>Vizuali gaminio ap\u017ei\u016bra<\/td>\n<\/tr>\n<tr>\n<td><strong>Tempimo j\u0117ga<\/strong><\/td>\n<td>Konkre\u010diai kryp\u010diai b\u016bdingos vert\u0117s<\/td>\n<td>Vidutinis izotropinis stipris<\/td>\n<td>Gamintojo duomenys su daugiakryp\u010diais bandymais<\/td>\n<\/tr>\n<tr>\n<td><strong>Veiklos rodikliai<\/strong><\/td>\n<td>Daleli\u0173 sulaikymas 2 kryptimis<\/td>\n<td>Radialinis standumas, apert\u016bros stabilumas<\/td>\n<td>Didel\u0117s apimties lyginam\u0173j\u0173 bandym\u0173 rezultatai<\/td>\n<\/tr>\n<tr>\n<td><strong>Pagrindinis testavimas<\/strong><\/td>\n<td>Standartinis tempimas (ASTM D6637)<\/td>\n<td>Daugiakryp\u010diai tempimo bandymai<\/td>\n<td>Per\u017ei\u016br\u0117kite bandym\u0173 sertifikatus ir protokolus<\/td>\n<\/tr>\n<tr>\n<td><strong>Veiklos \u012frodymai<\/strong><\/td>\n<td>Tradicinio sutvirtinimo duomenys<\/td>\n<td>\u012edubos gylio ma\u017einimas, laikomoji galia<\/td>\n<td>Gamintojo taikomosios programos eksploataciniai duomenys<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong>Kritiniai svarstymai:<\/strong><\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\"Ekvivalentinis\" stiprumas \u2260 Ekvivalentinis na\u0161umas:<\/strong>\u00a0Trij\u0173 a\u0161i\u0173 geotinklas su\u00a0<em>tas pats<\/em>\u00a0atsparumo tempimui \u012fvertinimas, nes dvia\u0161is geotinklas da\u017enai demonstruoja\u00a0<strong>puikios armat\u016bros charakteristikos<\/strong>\u00a0lyginamuosiuose bandymuose d\u0117l savo konstrukcijos efektyvumo ir apert\u016bros stabilumo. Netik\u0117kite paritetu remdamiesi vien tik tempimo stiprumu.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Svarbiausia - gamintojo duomenys:<\/strong>\u00a0atid\u017eiai i\u0161nagrin\u0117kite technini\u0173 duomen\u0173 lapus. Ie\u0161kokite:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Ai\u0161kiai nurodytas tempimo stipris ir modulis (vidutinis, izotropinis).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Standartizuot\u0173 eksploatacini\u0173 bandym\u0173 (i\u0161traukimo, ciklin\u0117s apkrovos) rezultatai, palyginti su dvia\u0161iais etalonais arba kontroliniais bandymais.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Bandym\u0173 duomen\u0173 sertifikavimas, atliekamas tre\u010diosios \u0161alies.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Taikymo kontekstas:<\/strong>\u00a0Trij\u0173 a\u0161i\u0173 geotinkl\u0173 eksploatacinis prana\u0161umas da\u017enai labiausiai i\u0161ry\u0161k\u0117ja taikant \u012fvairios krypties apkrovas ir u\u017epild\u0173 sulaikym\u0105 (pvz., neasfaltuotuose ir asfaltuotuose keliuose, darbin\u0117se platformose, gele\u017einkelio platformose). Kai kuriose sien\u0173 ar \u0161lait\u0173 srityse su ai\u0161kiai apibr\u0117\u017etomis pirmin\u0117mis suirimo plok\u0161tumomis gali b\u016bti vienodai tinkami ir didelio stiprumo dvia\u0161iai.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Bendras sistemos na\u0161umas:<\/strong>\u00a0Na\u0161umas priklauso nuo s\u0105veikos su konkre\u010diu dirvo\u017eemiu ir (arba) \u017evirg\u017edu bei \u012frengimo kokyb\u0117s. Tria\u0161iai tinklai d\u0117l savo stabilumo gali b\u016bti atlaidesni \u012frengimo metu.<\/p>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\">I\u0161 esm\u0117s nustatyti tria\u0161io geotinklo charakteristikas reikalaujant\u00a0<strong>daugiakryp\u010dio tempimo bandymo rezultatai<\/strong>\u00a0ir kriti\u0161kai vertinti\u00a0<strong>lyginamieji didel\u0117s apimties eksploatacini\u0173 bandym\u0173 duomenys<\/strong>\u00a0Gamintojas pateikia duomenis apie tokius rodiklius, kaip i\u0161dau\u017e\u0173 ma\u017einimas, laikomosios gebos didinimas ar atsparumas i\u0161traukimui. Pripa\u017einkite, kad trikamp\u0117 strukt\u016bra suteikia esmini\u0173 mechanini\u0173 privalum\u0173 paskirstant apkrov\u0105 ir sulaikant, kurie da\u017enai lemia geresnes eksploatacines savybes, palyginti su dvia\u0161iais geotinklais, turin\u010diais lygiavert\u012f tempimo stipr\u012f.<\/p>","protected":false},"excerpt":{"rendered":"<p>Norint nustatyti tria\u0161i\u0173 geotinkl\u0173 atsparum\u0105 tempimui ir armat\u016bros savybes, palyginti su dvia\u0161iais geotinklais, reikia suprasti j\u0173 esminius strukt\u016brinius skirtumus ir j\u0173 poveik\u012f bandymams bei eksploatacin\u0117ms savyb\u0117ms: Pagrindiniai konstrukciniai skirtumai: Dvia\u0161iai: Sta\u010diakampio formos tinklelis. Stiprumas pirmiausia dviem statmenomis kryptimis (ma\u0161inos ir skersin\u0117s ma\u0161inos). Angos paprastai yra sta\u010diakamp\u0117s. Tria\u0161is: Trikampio formos tinklelio modelis. Stipris pasiskirsto trimis pagrindin\u0117mis kryptimis (paprastai ties [...]<\/p>","protected":false},"author":4,"featured_media":1312,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/posts\/1311"}],"collection":[{"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/comments?post=1311"}],"version-history":[{"count":0,"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/posts\/1311\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/media\/1312"}],"wp:attachment":[{"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/media?parent=1311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/categories?post=1311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/lt\/wp-json\/wp\/v2\/tags?post=1311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}