保滩工程施工难点及应对措施分析

Analysis on construction difficulties and response measures of beach protection project

青草沙水库位于长江口南支水域,为世界上最大的边滩水库。青草沙水库的建成,改变了上海市主要依靠黄浦江取水的现状,成为上海市主要的水源地,其供水规模719万m3/d,占全市供水规模的50%以上,受益人口超过1000万。本文针对青草沙水库及取输水泵闸工程QSK-C10标(保滩工程)的施工特点及难点,提出应对措施,为保滩工程建设提供了参考。

Qingcaosha Reservoir is located in the south branch water area of the Changjiang Estuary. It is the largest beach reservoir all over the world. The building of Qingcaosha Reservoir changes the present situation of obtaining water mainly from the Huangpu River in Shanghai. The reservoir becomes major water source in Shanghai with the water supply scale of7. 19 million m3/ d,which accounts for more than 50% of water supply scale in the whole city. More than 10 million people are benefited. In the paper,corresponding measures are proposed aiming at construction features and difficulties of Qingcaosha Reservoir and water transmission pump project QSK-C10 bid（ beach protection project）,therefore reference is provided for the construction of beach protection project.