摘要
基坑改造是指为保证基坑、主体基础结构的施工安全和周边环境不受损害,而采取的对既有基坑进行加固的重要施工措施。文章从基坑上部维护、锚杆加固、坑内施工三轴搅拌桩等多方面,对既有超期服役基坑进行了分析,就解决超期服役基坑所面临的问题可供深基坑工程设计、施工人员参考。
Reconstruction of foundation pits refers to taking measures to reinforce the existing foundation pits to ensure the construction safety of foundation pits and main infrastructures and the surrounding environment without damage.The existing over-service foundation pits are analyzed from the aspects of upper maintenance of foundation pits,anchor reinforcement and construction of three-axis mixing piles in the pits,and puts forward valuable experience is put forward to solve the problems faced by the over-service foundation pits.
作者
王宏民
吴梦龙
WANG Hong-min;WU Meng-long(Beijing Zhongyan Technology Company,Beijing 100195,China)
出处
《岩土工程学报》
EI
CAS
CSCD
北大核心
2019年第A01期233-236,共4页
Chinese Journal of Geotechnical Engineering
关键词
基坑
超期服役
上部维护
预应力锚杆
重新张拉锁定
止水帷幕
foundation pit
over-service
upper maintenance
prestressed bolt
re-tensioned locking
water curtain
