2011年1月 施工技术 第40卷第2期 CONSTRUCTION TECHNOLOGY 9 南京德基广场井点动态降水施工技术 廖秋林，刘春安，曾志献，曾广桃 (北京城建集团建工程承包部，北京100088) [摇要]根据南京德基广场二期工程超深逆作法基悦降水的施工实践，练含地下构逆作法梅工部暑，围绕逆作法 深基悦降水的降水设计和施工种等关键向题进行童点分析与南.该工程降水施工运行历经2年多，直至工 程地下逆作法施工传束，期南基悦外围环境客项盘形盐测据穆定，土方和佳构施工进展顺利，明超深逆作法基 分按重式并点动态降水科学、有政. [关键询]逆行法：基悦降水：井点降水 [中图分类暑TU463 [立献标识弱]A [章编号]1002-8498(2011)02-40009-04 Construction Technology of Well-points Dynamic Dewatering in Nanjing Deji Plaza Liao Qiulin Liu Chun’an Zeng Zhixian Zeng Guangtao Engineering Contract Department Beijing Urban Construction Group Co.Lad.Beijing 100088 China) Abstract:Based on dewatering of the super-deep foundation excavation in Nanjing Deji Plaza with reverse construction method the design construction and operating of dewatering are introduced and analyzed bined with the reverse constructing of underground structures.The dewatering of the reverse foundation excavation in Nanjing Deji Plaza has been pleted for 2 years.During this period the earthwork and reverse construction of underground structures run smooth and data deformation monitoring were not out of range.It shows that the excavation well-points dynamie dewatering of layered on-demand for the reverse foundation excavation in Nanjing Deji Plaza is successful. Key words:reverse construction method:dewatering in foundation excavation:well-points dewatering 逆作法施工中土方控（包括降水施工）与结1工程概况 构施工交错进行，传统基悦的一次性或连续性降水 南京德基广场二期工程地处南京最整华的商业 劳必引起土体压缩变形而危及逆作法混凝土结构养地段——新街口商业中心区，是集商业、饮、办公、 护期间的稳定：另一方面，逆作法中基坑施工与地下酒店公寓为一体的综合性超高层建筑. 结构施工...
南京德基广场井点动态降水施工技术.pdf
