本文主要介绍:在近期海相沉积的软粘土层上,采用砂垫和砂井结合(即混合砂地基),上部结构施工前不进行堆载预压的办法,修建多层砖房的设计和施工。1979年夏动工,1981年冬竣工交付使用,近三年来使用情况良好,未发现异常变形,达到预期效果,施工简便,经济效果显著,是砂井排水固结处理软粘土地基,应用在房屋建筑上成功的一例。 This article mainly introduces: In the recent marine sedimentary soft clay layer, the use of sand mats and sand wells (ie, mixed sand foundation), the construction of the multi-storey brick house without the preloading method before the construction of the superstructure. construction. The construction started in the summer of 1979 and was completed in the winter of 1981. It was used well in the past three years. No abnormal deformation was found. The expected results were achieved. The construction was simple and the economic results were significant. The sand well drainage consolidated the soft clay foundation and was used in house construction. One successful case.