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.
为桩锚支护结构施工进程中受力变形的设计计算和过程控制提供了动态计算模型。
What we have done here provides developing calculation model for the force-deformation calculation and process control of PARS during construction.
以位移控制为目标，通过调整锚杆的位置，对单支点桩锚支护结构的设计进行优化。
Finally, the design about the single fulcrum pile_anchor retaining structure is optimized by adjusting the position of anchor to make the displacement of the top end of the pile the smallest.
分析结果表明：桩锚支护结构起到较好的支护效果，深基坑施工对临近地下室结构影响较小；
The results show that the pile-anchor supporting structure play a good supporting effect and the construction influence on the nearby basement is little;
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.
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.
结合扬子石化清净排口基坑工程，介绍了水泥搅拌桩与土锚组合支护结构的实际应用。
According to the foundation pit supporting project of Yangzi Petrochemical Company, application of the supporting structure of cement mixing piles combined with soil anchors is introduced.
主要包括方案的选择，土钉墙与桩锚结合支护结构的支护体系设计，基坑开挖及监控测量。
Include choice of scheme, support system design of soil-nailing wall and anchor-pile composite supporting structure, excavate and monitor measurement in excavation engineering.
排桩预应力基坑支护结构中预应力锚杆的设计和施工是关系基坑安全大计的关键。
The design and construction of prestressed anchor bar in pit supporting structure of row of piles are key about safety of foundation pit.
悬壁式，桩(墙)锚护支护是最常用的支护结构。
Cantilever and pile (wall) anchorage are the most used ones.
结果表明，锚杆轴力和桩顶位移满足要求，支护结构安全。
Monitoring results show that the axial stresses and displacement of pile top can satisfy requirements, and the supporting structure is safe.
土钉与桩锚联合支护结构是由土钉支护与桩锚支护共同构成。
The combined support structure of soil-nailing and pile-anchor consists of the soil-nailing retaining and the pile-anchor retaining.
结合扬子石化清净排口基坑工程，介绍了水泥搅拌桩与土锚组合支护结构的实际应用。
Study on the technology of the cement mixing pile composite foundation and the site construction management;
结合扬子石化清净排口基坑工程，介绍了水泥搅拌桩与土锚组合支护结构的实际应用。
Study on the technology of the cement mixing pile composite foundation and the site construction management;
应用推荐