施工技术
施工技術
시공기술
CONSTRUCTION TECHNOLOGY
2014年
17期
14-17,56
,共5页
深基坑%双排桩%箱形隧道%有限元分析
深基坑%雙排樁%箱形隧道%有限元分析
심기갱%쌍배장%상형수도%유한원분석
deep foundation excavation%double-row piles%box tunnels%finite element analysis
以广州某紧邻箱形隧道的深基坑工程为背景，结合其地质条件及其支护结构设计及基坑施工特点，采用有限元方法，模拟并分析了深基坑施工过程及其对双排桩支护结构与箱形隧道结构变形的影响，结合实测数据论证了双排桩支护结构的可行性，并对双排桩桩长及被动区土体加固的影响进行相关探讨。
以廣州某緊鄰箱形隧道的深基坑工程為揹景，結閤其地質條件及其支護結構設計及基坑施工特點，採用有限元方法，模擬併分析瞭深基坑施工過程及其對雙排樁支護結構與箱形隧道結構變形的影響，結閤實測數據論證瞭雙排樁支護結構的可行性，併對雙排樁樁長及被動區土體加固的影響進行相關探討。
이엄주모긴린상형수도적심기갱공정위배경，결합기지질조건급기지호결구설계급기갱시공특점，채용유한원방법，모의병분석료심기갱시공과정급기대쌍배장지호결구여상형수도결구변형적영향，결합실측수거론증료쌍배장지호결구적가행성，병대쌍배장장장급피동구토체가고적영향진행상관탐토。
Based on the practice of deep foundation excavation adjacent to box tunnel in Guangzhou, combined with the engineering geological conditions and the design features of supporting structure and the construction of the foundation excavation,the finite element method is employed to establish numerical model to simulate and analyze the influence of the construction of the deep foundation excavation on the deformation of double-row piles and box tunnel. Combined with the measured datas, the feasibility of the double-row piles supporting structure is demonstrated, the length of the pile and strengthening soil in passive area is discussed in this paper.
