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介绍了常规深基坑开口型板式支护的类型及其特点,分析了开口型板式支护设计需考虑的关键因素,包括变形控制标准的考虑、支撑端部的支座设计和邻近结构体的稳定性分析等,并推荐了支座设计时较实用的计算公式。文中的工程设计实例进一步介绍了结合具体环境条件的开口型板式支护的设计方法,以及支护结构开口处的加强措施,并验证了开口型板式支护的有效性,对深基坑支护设计有一定的借鉴意义。
The types and characteristics of the open slab support for deep foundation pit are introduced. The key factors to be considered in the design of open slab support are analyzed, including the consideration of deformation control standards, the support design of the support end and the structure of the adjacent structure Stability analysis, etc., and recommended a more practical design of bearing the formula. The engineering design examples in this article further introduced the design method of the open panel support combined with the specific environmental conditions and the strengthening measures at the opening of the support structure, and verified the effectiveness of the open panel support, Design has some reference.