资源描述：
《《锚杆挡土墙概述》word版》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、锚杆挡土墙概述AnoverviewofanchorretainingwallsCoreprompt:Anchorretainingwallisakindofretainingstructureformedbybolttechnique.Boltisanewtypeoftensionmember,oneendofwhichisconnectedwithengineeringstructures,theotherendisanchoredinthestableformation,toinheritth
2、eearthpressureexertedonthestructureofthethrust,thustheuseofanchorboltandformationtomaintainstructureAnchorretainingwallisakindofretainingstructureformedbybolttechnique.Boltisanewtypeoftensionmember,oneendofwhichisconnectedwithengineeringstructures,the
3、otherendisanchoredinthestableformation,toinherittheearthpressureexertedonthestructureofthethrust,thustheuseofanchorboltandformationtomaintainthestabilityofstructures.Before50s,bolttechnologywasonlyatemporarymeasureofconstructionprocess.Afterthemid50s,
4、thewesterncountriesbegantoadoptsmallpermanentgroutingboltsandshotcreteinsteadofliningstructureintunnelengineering.TheanchorretainingwallinChinabeganintheChengduKunmingrailwaylinein1966,andtheninmanyrailwaylineconstruction,theuseeffectisgood.Nowwidelyu
5、sedinrailways,highways,coalminesandwaterconservancyandothersupportingworks.Theanchorretainingwallcanbedividedintocolumn,plateretainingwallandwallboardretainingwallaccordingtothestructureofthewall,asshowninfigure10-35.Thecolumnplateretainingwalliscompo
6、sedofretainingplate,ribcolumnandanchorrod,asshowninfigure10-35a.Theribcolumnisbearingretainingplate,boltisasupportribcolumn,thewallofthelateralearthpressureactingontheretainingplate,andtheretainingplateistransferredtotheribs,theribstoanchor,balancebya
7、nchoringforcebetweentheanchorandthesurroundingstratathatanchors.Inordertomaintainthebodywall,andthestabilityofthesoilbehindthewall.Thepaneltypeanchorretainingwallconsistsofawallpanelandabolt,asshowninfigure10-40b.Thewallpaneldirectlywithboltconnection
8、,andbolttosupportsoilpressuretotheboltthroughthewallpanel,relyingontheanchoringforcebetweentheanchorandthesurroundingstrata(i.e.pulloutresistance)earthpressure,inordertomaintainthebalanceandstabilityofretainingwall.Atpresent,multipurposecolumn
