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首页> 外文会议>2010 International Conference on Computing, Control and Industrial Engineering >Application of Support System for Double Cantilever Piles in Deep Foundation Pit
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Application of Support System for Double Cantilever Piles in Deep Foundation Pit

机译：双悬臂桩在深基坑支护中的应用

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At present, there is used soil mechanics principle to carry on the computation, and regard as the rigid frame to the double piling's analysis method to analysis the double piles, but this method did not reflect the System in force supporting the mechanism. The depth excavation is often larger and different from ordinary frame for the deep foundation pit construction, because the connection of two rows of bored piles of the crown stiffness much smaller than the pile, therefore, it cannot be regarded as rigid frame. Because it exceptionally complex stress mechanism brings very major difficulty to the supports and protections system design, so the force must be used close actual stress condition the short-cut method to carry on the analysis to its stress mechanism. According to the characteristics of deep excavation, using the relevant theoretical knowledge, the double cantilever pile of deep foundation pit bracing system design methods and construction technology were put forward in this paper. Through the application of practical project, deep excavation of the security has been ensured, and the effect was very well.
机译：目前，采用了土力学原理进行计算，并以双桩的分析方法作为刚性框架来分析双桩，但这种方法并没有体现出系统在支撑力上的作用。深度开挖通常比深框架基坑施工的普通框架更大，并且与普通框架不同，这是因为两排钻孔桩的连接刚度大大小于桩，因此，不能将其视为刚性框架。由于其异常复杂的应力机制给支撑和保护系统的设计带来很大的困难，因此必须在接近实际应力条件下使用力的捷径法对其应力机制进行分析。根据深基坑开挖的特点，运用相关理论知识，提出了双悬臂深基坑支护体系的设计方法和施工工艺。通过实际工程的应用，确保了对安全性的深入挖掘，效果很好。

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