Deep foundation pit supporting structure and deformation control method thereof: Fid-Bau Portal

Deep foundation pit supporting structure and deformation control method thereof

LIU JINGUO / WANG XINSHUN / LIANG ZHIXIN

The invention relates to the technical field of foundation pit supporting, in particular to a deep foundation pit supporting structure and a deformation control method thereof. The deformation controlmethod comprises the steps that a model of the deep foundation pit supporting structure is established; the deep foundation pit supporting structure model is calculated; and according to the calculation result of the deep foundation pit supporting structure model and the deep foundation pit grade requirement, and a reinforcing structure is arranged on the peripheral side of the deep foundation pit to enhance the rigidity value of an enclosure crown beam. By the adoption of the deformation control method, deformation of the deep foundation pit supporting structure and the ground surface can beeffectively controlled, construction is easy and convenient, and cost is low.

本发明涉及基坑支护技术领域，具体地，涉及一种深基坑支护结构及其变形控制方法。该变形控制方法包括建立深基坑支护结构的模型；对深基坑支护结构模型进行计算；根据对深基坑支护结构模型的计算结果和深基坑等级要求，通过在所述深基坑的外周侧设置加强结构来增强所述围护冠梁的刚度值。采用该变形控制方法能够有效控制深基坑支护结构和地表的变形，并且施工简单、便捷、费用低。

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