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JP2013139702A Dyke foot scouring prevention construction method and dyke foot scouring prevention structure 有权
标题翻译： DKEKE FOOT SCOURING PREVENTION施工方法和DYKE FOOT SCOURING PREVENTION STRUCTURE
公开(公告)号：JP2013139702A
公开(公告)日：2013-07-18
申请号：JP2012001196
申请日：2012-01-06
申请人： Toyo Constr Co Ltd , 東洋建設株式会社
发明人： FUJIWARA RYUICHI , YAMANO TAKASHI , NOMURA KOJI , SHIRAKI KOICHI
IPC分类号： E02B3/06
CPC分类号： Y02A10/15
摘要： PROBLEM TO BE SOLVED: To provide a dyke foot scouring prevention construction method which can exhibit a bottom sediment suction preventive effect stably and also facilitates the construction.SOLUTION: A scouring prevention unit 16 is produced by including a filler material having a grain diameter enough to exhibit a suction preventive filtering effect in a bottom sediment 12 in which the dyke foot of a pier stud 14 is installed, in a net bag body. Circulation of water W inside and outside the scouring prevention unit 16 is permitted so as to increase stability of the scouring prevention unit 16 in a wave field. By installing the scouring prevention unit 16 in the bottom sediment 12 surrounding the dyke foot of the pier stud 14, the bottom sediment 12 in a scouring prevention area is replaced by the scouring prevention unit 16. Because the installed scouring prevention unit 16 itself forms a suction preventive filter layer, suction P of the bottom sediment 12 cannot occur in the scouring prevention area so as to prevent a local scouring.
摘要翻译：要解决的问题：提供一种能够稳定地表现出底部沉积物吸入防止效果并且也有利于施工的堤防冲刷防止施工方法。解决方案：通过将具有足够的粒径的填充材料包括在内，在其中安装有墩柱螺柱14的堤坝的底部沉积物12中，在网袋体中呈现防吸尘过滤效果。允许冲洗防止单元16内外的水W的循环，以提高冲刷防止单元16在波场中的稳定性。通过将冲刷防止单元16安装在围绕墩头螺柱14的堤坝底部的底部沉积物12中，防冲洗区域中的底部沉积物12由冲刷防止单元16代替。由于安装的冲刷防止单元16本身形成防吸尘过滤层，底部沉渣12的吸力P不会发生在防潮区域，以防止局部冲刷。

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