路基工程Issue(5)：189-194,6.DOI:10.13379/j.issn.1003-8825.202404048
近海松软深厚碎石层深基坑支护方案优化
Research on Optimization of Deep Foundation Pit Support Scheme for Offshore Soft and Deep Gravel Layer
林翁杰1
作者信息
- 1. 广东省海洋地质调查院,广州 510000
- 折叠
摘要
Abstract
The east side of the foundation pit of the Zhanjiang Yuandian West Square is close to Zhanjiang Port,where the construction site is a wharf backfilled with basalt blocks and gravels as deep as 7.40 m.The mixing piles and cast-in-place piles designed originally cannot be constructed normally,and there is a clear hydraulic connection between the groundwater in the site and the adjacent Maxie Sea,which poses great challenges to the groundwater control and support safety of the foundation pit.The excavation scheme of clay replacement and gravel filling is put forward,and the foundation pit support scheme of'cast-in-place pile support+three-axis mixing pile combined with high-pressure jet grouting pile water stop'is optimized and improved.According to the feedback of on-site monitoring data,the optimization scheme works well in reinforcement and water stop.关键词
碎石抛石地层/潮汐影响/深基坑/止水/综合支护/监控量测/变形控制/方案优化Key words
gravel riprap stratum/tidal effect/deep foundation pit/water stop/comprehensive support/monitoring measurement/deformation control/scheme optimization分类
建筑与水利引用本文复制引用
林翁杰..近海松软深厚碎石层深基坑支护方案优化[J].路基工程,2025,(5):189-194,6.
