?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Numerical+investigation+on+installation+process+of+displacement+pile&rft.creator=Duan%2C+N&rft.creator=Lu%2C+Y&rft.creator=Cheng%2C+YP&rft.description=The+fundamental+mechanisms+governing+the+behaviour+of+displacement+piles+in+sand+are+not+well+comprehended%2C+leading+to+unreliability+in+design+methods.+Understanding+the+soil+responses+during+monotonic+jacking+can+help+improve+the+pile+foundation+design.+This+paper+presents+numerical+results+from+a+two-dimensional+discrete+element+method+(DEM)%2C+and+the+influence+of+soil+properties+is+investigated.+The+soil+responses+were+examined+in+terms+of+displacement%2C+stress+and+porosity+distributions+during+monotonic+jacking%2C+and+the+Grid+Method+(GM)+was+used+during+sample+preparation.+The+simulation+results+show+great+resemblance+to+the+experimental+phenomenon.+An+interface+zone+adjacent+to+the+pile+shaft+is+observed+to+comprise+of+both+of+both+varying+stress+states+and+volumetric+states+while+the+pile-soil+interface+is+being+sheared.+The+horizontal+stress+that+acted+on+the+pile+shaft+reduced+in+response+to+installation.&rft.publisher=American+Rock+Mechanics+Association+(ARMA)&rft.date=2019&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+53rd+U.S.+Rock+Mechanics%2FGeomechanics+Symposium.++++American+Rock+Mechanics+Association+(ARMA)+(2019)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10087601%2F1%2FNuo_201906%2520ARMA%2520conference%2520Paper%252020190423_HC%2520%2528002%2529.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10087601%2F&rft.rights=open