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在新疆高原高寒地区筑坝,冬季严寒,气温较低,常规坝型在恶劣环境下抗震防渗能力差,且在冬季无法正常施工,造成水库施工周期长、费用大、见效慢。浇筑式沥青混凝土心墙技术是土石坝的一种新型防渗结构,主要是利用沥青与不同级配的石料按适当的比例经加热、拌匀后形成沥青混合料,再通过浇筑形成防渗体,进而在防渗体中起到防渗的作用。
In the alpine region of Xinjiang Plateau damming, the winter cold, the temperature is low, the conventional dam in poor weathering impervious capacity, and in the winter can not be normal construction, resulting in reservoir construction period is long, costly, effective slow. Pouring asphalt concrete core wall technology is a new type of earth-rock dam seepage control structure, the main is the use of asphalt and stone with different grading by the appropriate ratio of heating, mix well to form asphalt mixture, and then through the pouring to form anti-seepage body , And then play the role of seepage control impermeable body.