低温条件下浇筑式沥青混凝土防渗心墙施工

摘要

Riverclosure and cofferdam embankment operation of Kensiwate Projectare performed earlyin winter .Becauseof low tempera-ture, the impervious structure appliesthe cast-in-situ asphalt concrete wall, which is an effective one for newly -builtearth-rock fill dam construction and dam defect remedy.In this paper , construction methodof the cast-in-situ asphalt concrete wall is summarized based on property of asphalt concrete.Meanwhile, the method is describedin detail with engineeringpractice .%肯斯瓦特水利枢纽工程初冬开始截流和填筑堰体，由于受到低温的影响选择采用浇筑式沥青混凝土心墙作为堰体防渗结构。浇筑式沥青混凝土是新建土石坝和病险坝修补的一种有效的防渗结构。针对沥青混凝土原材料的性能特性，总结了浇筑式沥青混凝土防渗层施工方法，并结合工程实例对施工方法进行了详细的介绍。