%0 Journal Article
%T 垃圾填埋场土工合成材料的界面特性试验方法研究
%A 施建勇
%A 钱学德
%A 朱月兵
%J 岩石工程学报
%P 0-0
%D 2010
%X thepull-outtests,directsheartestsandsimplesheartestsareoftenusedtoinvestigatetheinterfacebehaviorsoflandfilllinersystems.pull-outtestsfortheinterfacesofgeomembrane-sand,geomembrane-clay,geotextile-sandandgeotextile-clay,directsheartestsfortheinterfacesofgeotextile-sandandgeomembrane-clay,andsimplesheartestsforthecompositelinerinterfacesofgeonet-geomembrane-clayarepresented.thetestresultsshowthattheinterfacebehaviorsofgeosyntheticsandsoilmainlydependonthesurfacecharacteristicsofgeosynthetics.theinitialslopeofstress-displacementcurvefromthedirecttestsandsimplesheartestsissteeperthanthatfromthepull-outtests.theresultsfromthesimplesheartestsshowthatthecriticalinterfacewiththelargestdisplacementinthecompositelinerisnotfixedatasingleinterface.itcanshiftfromonetoanotherwithchangingnormalstress.thestrengthenvelopisthesteepestforthepull-outtests,middleforthesimplesheartests,andthelowestforthedirectsheartests.theconditionofcompositelinerinlandfillscanbereasonablysimulatedbythesimplesheartests.thesimplesheartestsaresuggestedtoinvestigatetheinterfacestrengthoflinersystemsinlandfills.
%K 拉拔试验
%K 直剪试验
%K 单剪试验
%K 界面特性
%U http://www.cgejournal.com/CN/abstract/abstract13413.shtml