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1、公路挡土墙设计浅析(Designofhighwayretainingwall)TheretainingwalldesignofLuqiao-Luqiaolove
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15、smallprintreleases:2009-6-1411:14Author:lq52collectionsource:Luqiaolovecollectionview:938comments:0Comments:0I.IntroductionRetainingwallis
16、usedforsupportinghighwaysubgradeorhillsidesoil,preventastructurefillingorsoildeformationinstability・Inroadbedengineering,theretainingwallcanbeusedtoembankmentandcuttingslopestability,reducetheamountofearthworkandfloorarea,preventwatererosionofsubgrade,andoftenuse
17、dforremediationofcollapseandlandslidesubgrade・Two,blockbaseddataanddesignparametersofthewalldesign.(a)basicdataDesignofretainingwall,musthavethefollowinginformation:routeplan,verticalsection,crosssection,geologicaldata(includingthereportofengineeringgeologicalexp
18、loration,engineeringprospectingreport),seismicexplorationreport,hydrologicaldata,theoveralldesignanddatastructurelistetc・・(two)theselectionofthedesignparameters1,thephysicalandmechanicalpropertiesoffillerwallforretainingwalldesignofmountainoushighwaytwoorthree,wh
19、enthelackofexperimentaldata,thecalculationofinternalfrictionangleandpackingdensitymayrefertothehighwaycodeselection.2,wallfrictionangleandthefrictionbetweenthewallbackfillangleshallbedeterminedaccordingtothedegreeofroughnessandthedrainageconditionsofthewa11back・F
20、orthehighway,mortarrubblewall,gooddrainageconditions,canusedelta二psi/2.3,thebasalfrictioncoefficientofthesubstrateshouldbebasedonthemubaseroughnessanddrainagec
