深基坑施工中地下室夹层缺失区的特殊处理

Special Treatment of Basement-Interlayer-Deficiency Areas during Deep Foundation Pit Construction

针对悦合国际广场深基坑工程中部分区域无地下一层夹层,支护设计第二道支撑采用双围檩后拆除方式,需研究双围檩过墙施工、第二道支撑上楼面模板支撑的调整、第一、二道支撑的拆除等一系列特殊技术处理,本文进行了详细分析与阐述。重点研究了地下室夹层缺失区的特殊技术处理过程与应用,为今后类似的深基坑施工中有地下室夹层缺失区的情况提供参考与借鉴作用。

The Thesis has detailed analysis and statement of dismantling of the second support after dual purlines are used in the support design, and research on double purline over-the-wall-construction, adjustment of floor template support on the second support, dismantling of the first and second supports, and other serial special treatment technologies against the ground floor interlayer-deficiency in some areas of the deep foundation pit project of Yuehe International Plaza. Special technical treatment process of the basement-interlayer-deficiency areas and its application are mainly researched so as to provide reference for the situation with similar basement- interlayer-deficiency areas during deep foundation pit construction.