宁波宝龙广场地下室基础新增井道的拆建施工技术

Demolition and Construction Technology for Newly Added Shafts or Wells in Basement Foundation of Ningbo Baolong Plaza

宁波宝龙广场由于地下室功能改造需要,新增了若干电梯井和集水井,须对原地下室基础底板进行拆除,并施工新的井道基础。以此为例,从原有底板拆除方法的选择、施工顺序的安排以及施工过程中的要点、难点分析等方面,详细介绍了地下室基础新增井道的拆建主要过程。

Due to the need of the renovation of the basement function in Ningbo Baolong Plaza, a number of elevator shafts and water-collecting wells were added. It was necessary to remove the original basement foundation slabs and construct a new shaft or well foundation. Taking this as an example, the main process of demolition and construction of new shafts or wells in the basement foundation was introduced in detail from the aspects of the selection of the method to remove the original foundation slab, the arrangement of the construction sequence and the analysis of the key points and difficult points in the construction process.