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摘要：本文以苏州地铁地下基坑围护结构设计为课题，介绍和计算为其主要内容。 在进行了基坑围护设计的同时，随着基坑支护工程的发展，逐渐了解到其重要性，基坑的开挖，为了保证其顺利的进行对于围护结构的设计越来越重视。不仅可以起到保证其对于基坑周边安全，而且还可以对于基坑的侧壁和周边的设施起到了一定的保护和加固措施。因为基坑围护是个临时的体系，所以其具有较大的安全风险，基坑的围护根据不同的水文地质条件和所处区域的不同，能导致基坑围护的的方法产生很大的差异性。对与比较复杂的环境，我们应该保证基坑的稳定性的同时，还应关注对于周围环境和地下设施的保护。所以这是一个关键而又重要的环节。46894
本文介绍了苏州地铁车站周围地下的工程概况，包括水文地质和周围环境。
还通过对于支护方案的必选确定了地下连续墙的支护方案。在计算方面计算了对于基坑稳定性分析和土压力计算，基坑结构内力的算和配筋，还做了关于降水设计计算。在文字反面主要介绍了基坑的内力加固和施工组织设计。保证了基坑安全性的同时还对于周边安全也考虑在内。
毕业论文关键字：基坑支护工程，基坑稳定性验算，基坑内力算及施工组织设计
Abstract：This paper takes suzhou subway underground foundation pit retaining structure as an example, introduced and calculation of its main contents.
In the foundation pit enclosure design at the same time, along with the development of the foundation pit supporting project, gradually aware of the importance, the foundation pit excavation, in order to ensure its smooth for the design of the retaining structure is more and more attention. Not only can rise to ensure its perimeter security for foundation pit, but also for the side wall of foundation pit and surrounding facilities play a protection and reinforcement measures. Because the pit supporting is a temporary system, so it has a greater risk of security, the foundation pit enclosure according to different hydrogeological conditions and the different area, can lead to pit supporting methods to make a big difference. With more complex environment, we should ensure the stability of foundation pit at the same time, also should pay attention to the surrounding environment and the protection of the underground facilities. So this is a key and important link.
This paper introduces the general situation of suzhou around subway station, underground engineering, including hydrological geology and the surrounding environment.
Also through to support scheme choice determines the underground continuous wall support scheme. In computing earth pressure calculation for foundation pit stability analysis and calculation, structure internal force calculation and reinforcement of foundation pit, also made of precipitation design calculation. In text opposite mainly introduces the foundation pit of the internal force reinforcement and construction organization design. To ensure the safety at the same time also for the perimeter security of foundation pit are taken into account
Keywords:Foundation pit supporting project, calculating stability of foundation pit, the internal force of foundation pit and construction organization design
目 录
中文摘要..2
Abstract...3
目录....5
第1章绪论.6
1引 言6
1.3深基坑发展趋势..7
1.4 本文研究的意义和目的...7
第2章基坑工程概况..8
2.1工程概况...8
2.1.1 车站工程地质层分布与特征描述...9
2.1.2 水文地质条件...9