| Authors | Thirapong Pipatpongsa,Jiro Takemura |
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| Journal | Soils and Foundations |
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| Page number | 664-675 |
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| Serial number | 56 |
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| Volume number | 4 |
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| IF | 1.69 |
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| Paper Type | Full Paper |
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| Published At | 2016 |
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| Journal Type | Typographic |
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| Journal Country | Japan |
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| Journal Index | ISI،JCR،Scopus |
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| Keywords | Retaining walls;Soil/structureinteraction;Archingeffect;Earthpressure;Stressanalysis;Failure |
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Abstract
The soilmassbehindaretainingwallgraduallyyieldsandseparatesfromthestationarysoilmasswiththecomplexshapeoftheslipsurface
depending onthemodeofwallmovementandroughnessofthewallsurface.Inthisstudy,theproblemofarigidretainingwallwithauniform
surcharge actingalongthehorizontalbackfill underactivetranslationmodeisinvestigatedinatwo-dimensionalsystemofequilibrium.Exact
stress solutionsbasedonJanssen'sapproacharegeneralizedinrectangularcoordinatesandarevalidatedwithboundaryconditionsonthe
retaining wallandattheCoulombsliplinebehindthewall.BecausetheyieldconditionisnotusedinJanssen'sapproach,theproposedsolutionis
a merelystaticstresssolution,notstaticallyadmissiblesolution.Newequationsaredevelopedtoestimatethemagnitudeanddistributionof
vertical, horizontalandshearstressesinthefailurezonebehindaretainingwall.Theproposedanalysisindicatesthearchingeffectbehindthe
retaining wallbecausethemaximumstressesdonotappearedatthetoe;butatsomedistanceawayfromthetoeoftheretainingwall.Theresults
of theproposedformulationsarecomparedwithbothfull-scaleandlaboratory-scaleexperimentaldataaswellastheexistingformulations.The
proposed analysisprovidescomparableapproximationsforhorizontalactivestressdistribution,themagnitudeandtheapplicationheightofthe
horizontal activeforceatthewall.
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