我单位在肇庆市狮山水厂滤水井沉井施工中,遇到较严重的涌砂问题,通过实践,以较简单的方法解决了问题,具体情况如下。滤水井建在沙滩的潮间带。外径为9500 mm,壁厚500 mm,高10600 mm。建成后滤水井要沉入原地面以下9.5 m 的深度上,顶盖下沿为珠江高程 My unit in Zhaoqing Shishan water filtration wells wells construction, encountered more serious problems of sand, through practice, a relatively simple solution to the problem, the specific circumstances are as follows. Drainage wells built in the intertidal zone of the beach. The outer diameter is 9500 mm, the wall thickness is 500 mm and the height is 10600 mm. After the completion of the filter wells to sink into the ground below the depth of 9.5 m, under the roof of the Pearl River elevation