考慮地質(zhì)影響的深基坑復(fù)合土釘墻最優(yōu)支護(hù)參數(shù)選擇技術(shù)

打開文本圖片集

REN Ruiqi， ZHANG Xuhui，LI Zhenjie，CHEN Shisheng，WANG Jianpan （Shanxi Metallurgical Geotechnical Engineering Investigation Co.，Ltd，Taiyuan O3OO02 China）

Abstract：Bysurveyingthemainbuildingofacomprehensiveoficebuildinginacertainareatoobtaindetailedsoillayerndicators， usingsoilnailesistanceparameterstocalculateandselecttheoptimalsoilnailwallmaterial，anddesigningadepoudatiopit compositesoilnailwallsupportshemeandconstructionproces.Input thedesignedconstructionplanintoFLAC3Dsoftwaretosulate thedpfoundationpitsupportstructureandthelateralpressurecoefcientunderdiferentgeologicalinfluences.Experimental verification：Whentesoilnailparametersareowsandthestelpipeembedingdepthparameteris2meters，tesupportstructurecan minimizeeozotaldisplacementndselementofteepfoudatiopitoeeatestextent；Whentteralpressureofnt islarge，itcanmaintainalowerverticaldisplacementanddeepfoundationpitbotomupliftvalue，whichhasagoodsupporteffect.

Keywords：geologicalifluence；deepfoundationpit；compositesoilailingwallsupportingparameters；orzontaldisplacent； lateral pressure coefficient

0 引言

復(fù)合土釘墻作為一種經(jīng)濟(jì)、高效的基坑支護(hù)方式，可以有效地改善深基坑的穩(wěn)定性[1-2]，減少深基坑的損壞程度[3-4]。（剩余6093字）