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JP2008095428A Repair method of water channel 有权
标题翻译：水通道修复方法
公开(公告)号：JP2008095428A
公开(公告)日：2008-04-24
申请号：JP2006280238
申请日：2006-10-13
申请人： Kurimoto Kasei Kogyo Kk , Public Works Research Institute , 栗本化成工業株式会社 , 独立行政法人土木研究所
发明人： TAGASHIRA HIDEKAZU , FUJIMOTO MITSUNOBU , YASUMATSU TORU
IPC分类号： E02B5/02
摘要： PROBLEM TO BE SOLVED: To prevent a back-filling material from freezing when a cushioning material is constructed, and to prevent cracks from forming in a joint or the like of the cushioning material or an FRPM plate even when retained water repeatedly freezes and melts due to the changes of temperatures after construction of the cushioning material.
SOLUTION: A molded foamed ethylene/propylene rubber 4 as a cushioning material is arranged on an inner surface 1 of a water channel W or the like, and it is covered with the FRPM plate 3 and is fixed by an anchor 2. Since the foamed ethylene/propylene rubber is the body which is molded in advance, it does not freeze even when it is constructed at a low temperature, contrary to the case where a fluid cushioning material is used. Further, since the foamed ethylene/propylene rubber is elastic, even when a cubic volume of the water retained between the inner surface and the foamed ethylene/propylene rubber or the like is changed by freezing and melting, the change of the cubic volume is absorbed by the foamed ethylene/propylene rubber. Therefore, the cracks are hardly formed in the joint or the like of the FRPM plate by the change of the cubic volume.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了防止构成缓冲材料时的补充材料冻结，并且即使在保持的水反复冻结时也能防止在缓冲材料或FRPM板的接合部等中形成裂纹并且由于缓冲材料构造之后的温度变化而熔化。解决方案：作为缓冲材料的模制泡沫乙烯/丙烯橡胶4布置在水通道W等的内表面1上，并被FRPM板3覆盖并由锚固件2固定。由于泡沫乙烯/丙烯橡胶是预先模制的主体，所以即使在低温下构造也不会冻结，这与使用流体缓冲材料的情况相反。此外，由于发泡乙烯/丙烯橡胶是弹性的，所以即使当通过冷冻和熔融改变内表面和发泡乙烯/丙烯橡胶等之间保持的立方体积的水分时，立方体积的变化被吸收通过发泡乙烯/丙烯橡胶。因此，通过立方体积的变化，FRPM板的接合部等难以形成裂纹。版权所有（C）2008，JPO＆INPIT

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