北京东坝中路红松园基坑支护施工组织方案

北京东坝中路红松园工程由多种建筑形式组成，根据其周边环境及岩土工程条件、地下水情况，基坑支护设计方案分5个区域采用4种不同的支护形式，2个区域采用土钉墙+预应力锚杆护坡桩方案，另外3个区域分别采用预应力锚杆护坡桩方案、挡土墙+预应力锚杆护坡桩方案、锚杆复合土钉墙方案。本文还介绍了基坑降水及抗浮设计情况以及基坑支护施工技术方案。

Design and Construction Scheme of a Foundation Pit Project in Beijing

The paper introduces a foundation pit project in Beijing, which consists of a variety of architectural forms, according to the surrounding environment and geotechnical conditions, as well as groundwater conditions, the foundation pit support scheme contains 4 different supporting methods for the divided 5 regions, soil nailed wall + pre-stressed anchor bolt retaining pile structure is adopted in 2 regions and pre-stressed anchor bolt retaining pile, retaining wall + pre-stressed anchor bolt retaining pile and anchor bolt composite soil nailing wall are applied in 3 other regions separately. This paper also introduces the designs of foundation pit dewatering and anti-floating, as well as the technical scheme of foundation pit support construction.