井点降水失效情况下地下室集水坑深化施工技术.pdf

2015年10月上 施工技术 第44卷第19期 CONSTRUCTION TECHNOLOGY 59 D0I:10.7672/8js2015190059 井点降水失效情况下地下室集水坑深化施工技术* 孟令司，方光秀 (延边大学工学院，吉林延吉133002) [摘要]在带有地下室的高层建筑工程中，一般布置一定数量的集水坑，在原地下水水位较高、且在施工过程中降 水失效的情况下，常会存在降水后的地下水水位仍位于集水坑设计底标高以上，导致无法进行集水坑施工，进而影 响整个建设工期的难题.以吉林省延吉市某高层住宅楼为例，提出降水失效情况下地下室集水坑的深化施工技 术，并对其进行了施工验证. [关键词]高层建筑：地下工程；集水坑：降水；施工技术 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2015)19-0059-03 The Detailed Construction Technology for Catchpit in Basement When the Dewatering Engineering Failure Meng Lingsi Fang Guangxiu College of Engineering Yanbian University Yanji Jilin 133002 China) Abstract:In the project of high-rise building with basement some catchpits are always been set.In the condition that the original underground water level is high and the dewatering engineering failure during the construction there will be the problem that the level of underground water is still higher than the design elevation of bottom of the catchpit so as to that the construction for catchpit can not be continued even make the whole construction period of the project being delayed.In this paper authors take the project of high-rise building of a certain munity in Yanji as an example and put forward the further construction technology for catchpit in basement when the dewatering engineering does not work and do the verification by construction. Key words:tall buildings;underground;catchpit;dewatering;construction 0引言 段，包括1~5号、8号楼，总建筑面积为81674m2 在建筑排水系统中一般布置一定数量的集水 均采用短肢剪力墙结构，基础形式为独立基础、筏 坑，用来将建筑物内的水汇集起来，再用动力设备 ...