Abstract
Abstract
Asarelativelynewfoundationtreatmenttechnology,thelongandshortpile
compoundfoundationhasbeenwidelyusedinpracticalengineeringbyvirtueofits
remarkableeffect,diversifiedselectionandgoodeconomicbenefits,andmoreandmore
scholarshavealsocarriedoutresearchonitscarryingfeatures,actionstructureandso
on.However,itscomputationaltheoryisstillinthedevelopmentstage,theactual
engineeringexperienceisnotaccumulatedenough,thecarryingcapacityandsubsidon
calculationmethodisnotmatureenough,andneedsmorein-depthresearch.Thispaper
reliesontheengineeringexampleofarigidflexiblelongpilecompositefoundationin
XingtaiCity,andcombinesthesimulationanalysiswithfinitemetadatasoftware,
mainlydoingthefollowingwork:
(1)Thebasicconceptandreinforcementstructureofthelongandshortpile
compositefoundationareintroduced,andtheresearchstatusquoandrelated
achievementsaresummarized.
(2)Thetheoryofrigidflexiblelongpilecompositefoundationisanalyzedindepth,
whichcoversthefollowingcontents:thedesign,carryingcapacityandsemoulationof
thematlayerarecalculated,whichisconvenientfordirectuseintheactualengineering
design.
(3)UseABAQUSfiniteelementdatasoftwaretoestablishasimulationanalysis
modelandcompareitwiththeactualstaticloadtestresultstoevaluatethecorrectness
ofthemodel.Combinedwiththesimulationresults,themechanicalcharacteristicsof
therigidandflexiblelong-pilecompositefoundationunderdifferentloadvaluesare
analyzed,includingthechangeoftheamountofsubsidion,Thestressallo