土工布袋围堰安装过程及沉降分析  

Simulation Analysis and Installation Process of Geotexile Bag Cofferdam

作　　者：于怀远 陈浩然 孔庆华 李峥 YU Huai-yuan;CHEN Hao-ran;KONG Qing-hua;LI Zheng(Beijing Urban Construction Group Co.Ltd.,Beijing 100088,China)

机构地区：[1]北京城建集团有限责任公司,北京100088

出　　处：《工程建设与设计》2022年第10期204-206,共3页Construction & Design for Engineering

摘　　要：一些海岸线或者河岸常设置土工布袋临时围堰来防止土壤被河水侵蚀。然而在可变形的泥质基础上作为临时围堰和受水动力载荷影响的土工袋的设计方法尚未得到深入研究。因此,论文在现场测量和数值分析的基础上,评估了安装在可变形的泥质基础上的土工袋临时围堰的设计参数。通过现场测量,记录水动力载荷下的变形和位移,得出基础沉降导致的结构稳定性和结构高度降低是临时围堰设计的重要考虑因素等结论。Geotextile bag temporary cofferdam is often set up in some coastlines or river banks to prevent soil erosion by the river.However,the design method of temporary cofferdam and geotextile bag affected by hydrodynamic load based on deformable mud has not been thoroughly studied.Therefore,on the basis of field measurement and numerical analysis,this paper evaluates the design parameters of the temporary cofferdam of geotextile bag installed on a deformable mud foundation.The deformation and displacement under hydrodynamic load were recorded by monthly field measurement,and the structural stability and structural height reduction caused by foundation settlement were considered as important factors in the design of temporary cofferdam.

关 键 词：土工布袋 现场监测 柔性地基 形变分析 

分 类 号：TU531.7[建筑科学—建筑技术科学]