孔目湖闸左岸填土中土工格栅的应用

Application of Geogrid in Left Bank Filling of Kongmu Lake Sluice

以某江干堤江西段Ⅱ级堤系建筑物孔目湖闸为例,在概述工程概况及土工格栅加固机理、格栅物理力学性能的基础上,对孔目湖闸左岸填土中土工格栅施工进行了分析探讨。结果表明,土工格栅材料的使用对于回填土施工过程中及工后侧向位移具有明显的约束作用,并能大大减小回填土对翼墙所施加的侧向应力,为翼墙稳定提供保证。

Taking the Kongmu Lake sluice,a Grade II levee system in Jiangxi section of a river main levee,as an example,the construction of geogrid in left bank filling of Kongmuhu sluice was analyzed and discussed,based on an overview of the project,the reinforcement mechanism of the geogrid,and the physical and mechanical properties of the geogrid.The results show that the use of geogrid material has an obvious restraint effect on the lateral displacement of backfilled soil during and after construction,and can greatly reduce the lateral stress exerted by backfilled soil on the wing wall,which provides a guarantee for the stability of the wing wall.