山西第六建筑有限公司綜合樓樓基坑土釘墻支護施工方案.r.doc

樓基坑土釘墻支護施工方案

一、工程概況
山西第六建筑有限公司綜合樓位于和平南路300號, 南接 **** 辦公樓,東臨該公司1# 、2# 住宅樓，占地南北長52m，東西寬10.5m，設一層地下室。基坑開挖按1:0.4放坡，為防止辦公樓及住宅樓隨著地基的開挖出現事故問題，確保周邊的安全，結合該工程地質現場勘察的地質情況，遵循安全可靠、技術可行、經濟合理、節約工期的原則，該工程土方開挖時，擬采用土釘墻支護技術對基坑部分邊坡進行支護加固處理。
地基土的構成及巖性特征，自上而下分為六層 ：
（1）雜填土：層底埋深0.8～2.1m，
Building foundation soil nailing wall construction plan

First, project survey
Shanxi Integrated Building Construction Limited is located in the sixth Peace Road 300, south **** office building, east of the company 1 #, 2 # residential floor area of north to south and 52m, from east to 10.5m, a level of basement . Excavation by 1:0.4 sloping, office and residential buildings in order to prevent the excavation with the foundation of accidents, ensuring the safety of the surrounding, combined with the geological site investigation of the geological conditions, following safe, reliable, technically feasible, economic rationality, the principle of saving period, the earth excavation works, the proposed use of soil nail wall supporting technology foundation to support some of slope reinforcement.
Soil composition and lithologic features, from top to bottom is divided into six:
(1) miscellaneous fill: the bottom layer depth of 0.8 ~ 2.1m,
 

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