SONG Hong-yu.Structural Design of a Whole Underground Wastewater Treatment Plant in Sichuan Province[J].China Water & Wastewater,2020,36(24):83-86.
四川某全地下污水处理厂结构设计
- Title:
- Structural Design of a Whole Underground Wastewater Treatment Plant in Sichuan Province
- Keywords:
- underground wastewater treatment plant; super-long concrete structure; structural design; anti-floating design; expansion reinforcing belt; BIM design
- 摘要:
- 四川某全地下污水处理厂采用全地下结构设计，地下箱体平面尺寸为124.2 m×89.3 m，深度超过15 m。本项目设置膨胀加强带，解决了混凝土结构超长问题；采用放坡基坑施工方案，加快了施工进度；采用池体底部预留排水盲沟及设置抗浮锚杆的方案，解决了本区域地下水位超高的问题；指定巡检安装路线，确定了地下一层活荷载,减少了不必要的浪费。项目的BIM设计有效降低了施工过程中的错、漏问题，施工单位利用BIM模型，计算出各分区所需的各种材料，实现了对模板、脚手架等周转材料的合理调配，为施工带来了极大的便利。
- Abstract:
- A wastewater treatment plant in Sichuan Province adopts the whole underground structure design. The plane size of the underground box is 124.2 m×89.3 m, and the depth is more than 15 m. Key points and difficulties of the project are as follows: setting expansion reinforcing belt to solve the problem of over length of concrete structure; adopting the construction scheme of sloping foundation pit to speed up the construction progress; using the scheme of reserving drainage blind ditch at the bottom of tank body and setting anti-floating anchor to solve the problem of super high groundwater level in this area; designating inspection and installation route to determine the live load of the first underground layer and to reduce unnecessary waste. The BIM design of the project effectively reduces the errors and leakage in the construction process. The construction unit uses BIM model to calculate all kinds of materials required for each zone, and realizes the reasonable allocation of turnover materials such as formwork and scaffold, which brings great convenience to construction.
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