山西第六建筑有限公司综合楼楼基坑土钉墙支护施工方案.r.doc

楼基坑土钉墙支护施工方案

一、工程概况
山西第六建筑有限公司综合楼位于和平南路300号, 南接 **** 办公楼,东临该公司1# 、2# 住宅楼，占地南北长52m，东西宽10.5m，设一层地下室。基坑开挖按1:0.4放坡，为防止办公楼及住宅楼随着地基的开挖出现事故问题，确保周边的安全，结合该工程地质现场勘察的地质情况，遵循安全可靠、技术可行、经济合理、节约工期的原则，该工程土方开挖时，拟采用土钉墙支护技术对基坑部分边坡进行支护加固处理。
地基土的构成及岩性特征，自上而下分为六层 ：
（1）杂填土：层底埋深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,