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SMW工法由日本成辛工业株式会社开发成功,是目前正在兴起的新型围护结构。与传统周护结构相比具有对周围环境地基影响小、高止水性、整体性强、造价低、工期短、对环境污染小等优越性。比常用的钻孔排桩的方法节省20～30%的造价,符合国家倡导的节能、环保的要求,具有较好的社会效益和经济效益。滴水湖出海闸地基工程采用该方法处理后,防渗效果良好,沉降稳定,取得了良好的效果,获得了中国水利部优质工程结构(大禹)奖。
SMW method by Japan Cheng Xin Industrial Co., Ltd. successfully developed is currently emerging new envelope structure. Compared with the traditional Zhou protection structure has a small impact on the surrounding environment, high water-stop, integrity, low cost, short construction period, the advantages of small environmental pollution. Than the commonly used method of drilling row piles save 20 to 30% of the cost, in line with national advocacy of energy saving, environmental protection requirements, with good social and economic benefits. The dripping lake out of the sea gate foundation project using this method of treatment, seepage control effect is good, stable settlement, and achieved good results, won the China Ministry of Water Resources Quality Engineering (Dayu) Award.