城市勘测
城市勘測
성시감측
URBAN GEOTECHNICAL INVESTIGATION & SURVEYING
2011年
4期
171-174
,共4页
钻孔灌注桩后注浆%圆砾层%桩端极限承载力
鑽孔灌註樁後註漿%圓礫層%樁耑極限承載力
찬공관주장후주장%원력층%장단겁한승재력
post grouting for case-in-situ pile%pebbles%ultimate tip resistance
钻孔后注浆工艺能有效提高单桩承载力,但注浆后具体桩端参数难以把握,本文通过杭州地区圆砾层中采用钻孔灌注桩后注浆工艺的工程实例,综合对比各类数据,提出了杭州地区在采用后注浆工艺条件下圆砾层的桩端设计参数的取值建议。
鑽孔後註漿工藝能有效提高單樁承載力,但註漿後具體樁耑參數難以把握,本文通過杭州地區圓礫層中採用鑽孔灌註樁後註漿工藝的工程實例,綜閤對比各類數據,提齣瞭杭州地區在採用後註漿工藝條件下圓礫層的樁耑設計參數的取值建議。
찬공후주장공예능유효제고단장승재력,단주장후구체장단삼수난이파악,본문통과항주지구원력층중채용찬공관주장후주장공예적공정실례,종합대비각류수거,제출료항주지구재채용후주장공예조건하원력층적장단설계삼수적취치건의。
using post grouting for case-in-situ pile can increase the bearing capacity of drill-pouring pile.But the exact data of the ultimate tip resistance is indistinct.According to the project cases of using post grouting for case-in-situ pile in pebbles in Hangzhou district,this article makes the comprehensive comparison of various types of test dada,and gives some suggestions about the reasonable data of ultimate tip resistance after adopting post grouting for case-in-situ pile technology.
