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橡胶活动坝具有易膨胀、易倒伏、排砂方便等功能,由于能在工厂生产,施工也较方便。小型工程早有应用,但为了扩展到中小型电站的取水口闸坝上,日本从1981年起,开展了橡胶活动坝的大型化研究开发工作,在实际河谷中设置了高5米,坝顶宽15米的试验坝,坝址的流域面积为3.5平方公里,年平均流量为0.3立米/秒,考虑耐候性和抗磨损性能后,
Rubber activity dam with easy expansion, easy lodging, sand and other convenient features, due to the factory production, construction is more convenient. Small projects have long been used, but in order to extend to small and medium-size hydropower station sluices, Japan has been carrying out large-scale research and development of rubber dam activities since 1981, setting a 5-meter high dam in the actual river valley 15 meters wide test dam, the dam site of the basin area of 3.5 square kilometers, the average annual flow of 0.3 cubic meters / second, taking into account weatherability and anti-wear properties,