4.1 General requirements

4.1.1 The selection of cofferdam type shall conform to thefollowing principles.(1) It shall be safe and reliable, and shall meet the requirements ofstability, seepage control and erosion control.(2) The structure of cofferdam shall be simple, convenient f ......     (本文共 1160 字 )     [阅读本文]>>




更多同类【水电工程围堰设计】......
科普知识