第二部分是深基坑支护结构本身的风险分析。
The second part is risk analysis of retaining structures of deep excavations.
随之而来的大、深基坑支护结构的技术要求越来越高。
The growing demand for technology of deep foundation pit support is more and more high.
并用此工具开发了厦门市深基坑支护结构选型专家系统。
With the help of the tool, an expert system for deciding the type of the deep foundation-pit supporting structure in Xiamen is established.
对某地铁深基坑支护结构内力与变形监测结果进行了分析。
The monitoring results of the internal force and displacement of support structure for a subway deep excavation are analyzed.
作者认为深基坑支护结构变形控制系统实际上是一个模糊系统。
The author thinks that the system of deformation control design for retaining structure in deep excavation is a fuzzy system actually.
深基坑支护结构变形的深基坑支护变形的影响是一个重要因素。
The retaining structure deformation of the deep foundation pit is an important factor for the effect on the deformation of deep foundation pit.
用FLAC3D数值模拟深基坑支护结构中锚杆的内力与变形是可行的。
It is feasible for using FLAC3D to simulate the anchor force and deformation of deep foundation pit bracing structure.
双排桩支护结构作为新型的深基坑支护结构形式，近几年开始在武汉地区运用。
In recent years support structure with double-row piles as a new type of support structure for deep foundation pit has been applied in Wuhan.
深基坑支护结构为外部钢筋混凝土地下连续墙，内部设多道钢筋混凝土水平框架内支撑。
The retaining and protection structure for this deep excavation was concrete diaphragm wall supported by plane concrete frame inside.
土钉墙具有施工便捷、现场文明、造价低廉等优点，已在深基坑支护结构中得到广泛应用。
The advantages of soil nailing walls are convenient construction and low cost, etc. They have already been used in protective structure of deep excavation extensively.
算例分析表明，深基坑开挖对邻近管线破坏极大，因而提出了深基坑支护结构设计时应采取的具体措施。
Examples show that the damage effect of deep excavations is great, and a method is suggested to resolve the problem in design of retaining structures.
该深基坑支护结构漏水空心膨胀螺栓封堵塞包括胀管、空心螺栓、螺母、密封胶垫和软木塞，空心螺栓套在胀管内且其长 度大于胀管长度；
The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;
对锚杆受力进行原位监测，通过对数据进行研究、分析，可以了解土压力的大小和分布规律，这对于优化深基坑支护结构设计具有重要的实际意义。
So carrying on in-situ measurements of anchor's stress, the value and distribution of earth pressure will be investigated by analysis on actual data.
本文简要介绍了深基坑钢筋砼悬臂桩支护结构的设计过程。
This article simply describes the design method of cantilever pile of reinforced concrete on supporting structure of deep foundation.
深基坑工程是一项风险工程、其风险表现为基坑支护是临时性结构，一旦地下室施工完成就作废。
Deep excavation is a venture project, its risk represent that excavation supporting structure is a provisional establishment, once the basement completed it will blank out.
考虑桩锚土的相互作用 ，结合实例研究深基坑桩锚支护结构受力和变形特性。
The force and deformation properties of pile anchor support structure in deep pits are studied considering pile anchor soil interaction.
超深基坑工程中在降水区域外一定距离设置防渗帷幕，在支护结构与帷幕之间降水，不仅可以减少支护结构水土压力，还能够避免对环境的不利影响。
Using anti-seepage curtain outside the deep foundation and dewatering between Super-deep foundation and curtain, not only diminish the soil pressure, but also help construction environment.
因此，近几年来大批的深基坑工程不断涌现，并且出现了许多新的支护结构形式。
Therefore, in recent years a large number of deep excavation project, and many new forms of the supporting structures have emerged.
笔者对当前深基坑支护设计要求及常见的支护结构类型和基坑支护中常见问题的处理措施。
The author of the deep foundation pit bracing design requirements and common support structure types and foundation pit supporting the common problems in the processing of the measures.
水平基床系数是在计算深基坑的变形、支护结构的稳定性，以及桩在水平荷载下的位移、内力等方面有重要意义的参数。
Horizontal foundation modulus is an important parameter in calculating the deformation of deep excavation project, evaluating the stability of the retaining structure.
本课题的研究成果对深基坑土钉支护结构的工作性能及设计方法的进一步研究及应用有较好的指导意义。
The research achievement will make a preferably direction to the research and application of the work function and design method of deep excavation soil nailing construction.
通过现场量测的深基坑围护结构变形信息资料，对数据进行整理和分析，利用时间序列分析法对支护结构的变形作出预测，以保证基坑安全施工。
Through analyzing the field deformation data of supporting structures, the prediction can be gained by time series model so as to guarantee the safety.
第二章：首先简单介绍了深基坑工程中桩锚支护结构的原理、特点、分类及现行规程推荐的单支点桩锚支护结构的计算方法等情况。
In the second chapter, principium of pile-anchor retaining structure is firstly introduced, together with its trait, classification and calculating method in the current specification.
以汉口宝丰时代广场深基坑为例，探讨了深井降水对基坑支护结构和周边建筑物的影响。
Taking Baofeng Times Square deep excavation as an example, effect of the deep-well dewatering on supporting structure and surroundings is analysed.
通过在南京某高层公寓深基坑支护中的应用，并对其桩身应力、支护结构的侧向位移的实测研究，获得了混凝土芯水泥土搅拌桩支护结构在软土地区受力和变形的基本特征。
According to application of this structure in Nanjing deep excavation, the basic rules of concrete-core DCM pile retaining structure in stress and deformation in the soft soil area were obtained.
地下连续墙是水利工程基坑支护应用较多的挡土、挡水结构，其施工是深基坑支护成功与否的关键。
The diaphragm wall is a stopping soil and water structure which hydraulic excavation retaining uses more. Its construction is the key to the success of deep foundation pit.
土钉支护结构由于其诸多优点在深基坑中得到广泛应用，但是土钉长度布置问题一直是一个热点问题。
The soil nailed wall is applied widely in deep excavation for its many advantages, but the layout issue about soil-nailed lengths is always a hot topic.
为此研究地下连续墙支护结构的施工方法，对保证深基坑开挖安全有重要的指导意义。
Therefore, the research of construction methods of dam diaphragm wall has important guiding significance to ensure the safety of deep excavation.
运用有限差分法，采用岩土软件FLAC3D建立深基坑桩锚支护结构的仿真模型，并对支护结构中锚杆的内力与变形进行数值模拟。
By using the finite difference method FLAC3D, simulation model of deep foundation pit was established, and internal force and deformation of bracing structure were calculated.
深基坑的支护结构的变形是影响基坑变形的重要因素。
Deformation for retaining structure of foundation pit is the important factor for effect on the deformation of foundation pit.
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