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2. 发明专利

JP2003010809A Water-stopping layer and method for forming the same 有权
标题翻译：止水层及其形成方法
公开(公告)号：JP2003010809A
公开(公告)日：2003-01-14
申请号：JP2001201298
申请日：2001-07-02
申请人： Shimizu Corp , 清水建設株式会社
发明人： YONENAGA HIROSHI , YASUKOCHI TAKASHI , TAMURA SHINSUKE , SUGA TADASHI , KAWASAKI HIROTAKA , ISE JUICHI
IPC分类号： E02D3/026 , B09B1/00
摘要： PROBLEM TO BE SOLVED: To form an water-stopping layer having a high performance at a low manufacturing cost.
SOLUTION: A mixed soil is prepared by using a dehydrated cake as a viscous soil and mixing the viscous soil with the excavated soil of a crushed stone with a maximum particle diameter of not more than 30 mm as gravel material so that the blending ratio of fine particles which are smaller in a size than that of silt is set within the range of a weight ratio of 55 to 65%. The water-stopping layer is formed by compacting the mixed soil at a degree of compacting of not less than 95%. Following this procedural step, a cement curing material is added to the mixed soil at a blending ratio of 3 to 10% in terms of weight ratio. Next, the previously prepared mixed soil is evenly laid at the site and compacted with a tamping roller or a vibratory roller to form the water-stopping layer with a thickness of 15 to 30 cm. Finally, the water-stopping layers are sequentially piled up.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：以低制造成本形成具有高性能的止水层。解决方案：通过使用脱水饼作为粘性土壤制备混合土壤，并将粘性土壤与最大粒径不超过30毫米的碎石开挖土壤作为砾石材料混合，使混合比例尺寸小于淤泥的粒子的重量比设定在55〜65％的范围内。止水层通过以不低于95％的压实度压实混合土而形成。按照该步骤，将混合土壤中的水泥固化材料按重量比计为3〜10％的混合比例添加。接下来，将预先制备的混合土壤均匀铺设在现场并用捣实辊或振动辊压实，形成厚度为15至30cm的止水层。最后，依次堆积止水层。

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