摘要
文中以漳州高新区某基坑工程为例,基于软土地区深基坑开挖中SMW桩+内支护结构对地表沉降及基坑水平位移的影响进行分析。结果表明,不同监测点的SMW桩+内支护在2023年6月的地表沉降最大,最大沉降分别为20、21、21、22、22 mm,较2023年5月地表沉降分别增加11.11%、31.25%、10.52%、10.0%、15.78%。水泥搅拌桩支护基坑的水平位移较SMW桩+内支护增加7.91%。数值模拟与现场试验的变化规律一致,两者数值相差较小。
Taking a foundation pit project in Zhangzhou High-tech Zone as an example,this paper analyzes the influence of SMW pile+internal support on the surface settlement and horizontal displacement of deep foundation pit excavation in soft soil area.The results show that the surface settlement of SMW pile+internal support at different monitoring points is the largest in June 2023,and the maximum settlement is 20、21、21、22、22 mm,respectively.Compared with May 2023,the land surface setlement increased by 11.11%、31.25%、10.52%、10.0%and 15.78%,respectively.The horizontal displacement of cement mixing pile supporting foundation pit is increased by 7.91%compared with SMW pile+inner support.The variation rules of numerical simulation and field test are consistent,and the difference between the two values is small.
作者
钱志勇
Qian Zhiyong(Zhangzhou Yuanshan Development Co.Ltd.,Zhangzhou,Fujian 363000)
出处
《江西建材》
2024年第10期242-244,共3页
关键词
软土地区
SMW桩
内支护
深基坑
地表沉降
Soft soil area
SMW pile
Internal support
Deep foundation pit
Surface settlement
