硬壳围堰及在工程中的应用

Cofferdam with light weight and hard shell and its application in the project

有些水利工程本身的造价工程量不大 ,难度也不大 ,但围堰的工作量、时间和造价难度却占了很大的比重 .本文针对围堰易沉滑 ,渗漏倒塌施工难、工期长等问题 ,提出硬壳结构围堰方法 ,以高强度材料制成围堰的外壳 ,然后填入其它材料 .在软弱地基中 ,采用轻质垫层设于易沉移滑动的部位 ,在砂砾地基上插设防渗板 .具有建筑拆除快、稳定性好、防冲蚀、防渗性好的特点 .并结合实际应用 ,进行强度稳性分析比较 .

Although the cost of water conservancy project is low and the quantities of the project are less, and this project is not very difficult, the cofferdam in the project accounts for a lot of proportions of time and cost. The article brings forward the cofferdam with light weight and hard shell, which easy to backout and has a good stability with the characteristics of anti-erosion and against penetrability. And this article puts it into practice and compares it with other cofferdam ideas.\;\;