论文编号:TM126   论文字数:10466,页数:46  附CAD图

摘 要
    本工程是由浙江经协集团有限公司开发的。工程由办公用房及相应的地下车库组成。由浙江省建筑设计院有限公司设计。内容涉及：围护体系方案选择、围护体系具体做法、基坑开挖的施工要求、基坑现场监测及应急措施、围护结构设计说明、围护结构设计施工图等。
    工程位于杭州市拱墅区，白石路以西，善贤路以南，南面为空置的二层楼房（框架结构，浅基础）。
    该项目0.00相对于黄海高程5.7m，该项目场地地坪的黄海标高平均为4.40m。    对于本工程结构设计说明部分，采用部分手算，部分采用软件理正和启明星计算。这样结合计算有利于更多知识的获得和学习。
    本工程开挖深度较深，分别为5.75m、5.95m、7.75m、8.15m。基坑开挖范围土层以粉质粘土为主，基坑底处于粉质粘土和淤泥交界处，工程性质较差。
经过比较和分析，围护体系采用排桩加支撑方案。主体采用钻孔灌注桩支护，以水泥搅拌桩止水组成支挡结构，同时为减小侧向位移变形，增强基坑边坡的稳定性，在基坑内设置内支撑。该方案应用广泛，也相当成功。

关键词：基坑  钻孔灌注桩 水泥搅拌桩 围护
                           
 

Excavation design envelo
  Abstract
This project is from Zhejiang Province by the Association for Development Group Co., Ltd.. Works by the office space and the corresponding component of the underground garage. By the Architectural Design Institute Co., Ltd. Design, Zhejiang Province. Cover: envelope system options, envelope system, the specific practices of the construction requirements of excavation, foundation-site monitoring and emergency measures, building envelope design that the design of retaining structure, such as working drawings.     Gongshu District project is located in Hangzhou, the road west of Whitehead, good Yin Road south of the south for the vacant two-story building (the framework of the structure, shallow foundation).     0.00 of the project vis-à-vis the Yellow Sea Elevation 5.7m, the project site of the Yellow Sea floor elevation on average 4.40m. The description of this part of the structural design of the project, using some hand-count some of the rationale for the use of software and Venus are calculated. This combined with the calculation in favor of more access to knowledge and learning.     Deeper the depth of the excavation works were 5.75m, 5.95m, 7.75m, 8.15m. Excavation area to silty clay soil mainly in the pit at the end of silty clay and silt at the junction, inferior nature of the works.     After comparison and analysis of pile retaining system used to support the program increases. The main support the use of bored piles in order to cement mixing pile retaining structures composed of water, at the same time to reduce the lateral displacement of the deformation, and enhance the stability of pit slopes, in the foundation set up with support. Widely used in the program, but also very successful.
Key words: foundation bored piles of cement mixing pile enclosure
 

目录
基坑开挖围护设计 I
摘 要 I
Abstract II
目录 III
1绪论 1
2 围护方案设计说明 2
 2.1 设计依据 2
 2.2 工程概况 2
 2.3 基坑周边环境分析 3
 2.4 工程地质报告分析 3
 2.5 围护方案的确定 5
 2.6 基坑工程措施 7
 2.7 基坑工程的现场检测 8
 2.8 应急抢救措施 10
 2.9 周边建筑物、道路及市政管线变形分析与保护措施 10
3 围护构计算分析说明 12
 3.1 土层参数 12
 3.2 土压力计算 12
 3.3地面超载 12
 3.4 开挖深度为6.05m计算 13
4 总结与展望 37
致谢 41
参考文献 42

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