全地下污水厂楼板开洞对外池壁受力的影响

Influence of Floor Slab Openings on Outer Tank Wall Force in Fully Underground Wastewater Treatment Plant

摘要:

随着用地建设的限制，新建污水厂多选用全地下的整体结构形式，而全地下污水厂为了满足操作、维护、通风等功能需求，水池顶板通常需要在特定的位置进行开孔，当洞口位置紧靠外池壁时，外池壁的中间约束会因此被削弱，对外池壁的受力产生影响，采用Autodesk robot有限元分析软件对外池壁存在不同长度洞口的受力模型分别进行分析，得出洞口尺寸对外池壁受力的影响，给出相应的设计解决方案，并给出全地下污水厂水池顶板洞口布置的建议。

Abstract:

With the restrictions on land use for construction, the fully underground integrated structures are more adopted for the newly-built wastewater treatment plants (WWTPs). In order to meet functional requirements such as operation, maintenance and ventilation of WWTP, the top slabs of the tanks should be usually holed at specific locations. When these openings are positioned close to the outer tank wall, the intermediate restraint of the outer tank wall is weakened, thereby influencing the force of the outer tank wall. The finite element analysis software of Autodesk Robot is used to analyze the force models of the different-length openings of outer tank wall. The impact of opening dimensions on the force of outer tank wall is obtained, and the corresponding design solutions are given. And the suggestions for the layout of openings on the top slab of the tanks in the fully underground WWTPs are proposed.