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近几年来,不少地方应用沥青混凝土防渗技术,对病险土石坝进行除险加固补漏,取得较好效果。据不完全统计,到1983年底,已有13座水库的土石坝用这项技术补漏加固。运用实践表明,这一技术措施是成功的,技术上可行,经济上效益显著。从目前已搜集到的有关工程资料来看,被加固的土石坝,均为中、小型水库的,但坝高最大已达78.5米。被加固的土石坝上游坝坡,可以很陡(1:0.4～1:0.5),也可以很缓(1:3～1:3.5),因坝型而异。但当坝坡陡于1:1.6时,为了保证施工安全和工程质量,只能采用挂板浇注式沥青
In recent years, many places using asphalt concrete seepage control technology, dangerous earthfill dams to reinforce the trap, and achieved good results. According to incomplete statistics, by the end of 1983, earth-rock dams that had 13 reservoirs had been trapped by this technology. Practice shows that this technical measure is successful, technically feasible and economically significant. From the current collection of information about the project, the reinforced earth and rock dams are medium and small reservoirs, but the dam height has reached a maximum of 78.5 meters. The dam slope upstream of the reinforced earth dam can be very steep (1: 0.4 to 1: 0.5) or very slow (1: 3 to 1: 3.5), depending on the dam type. However, when the slope is steeper than 1: 1.6, in order to ensure the safety of construction and the quality of the project, only siding cast asphalt