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沥青混凝土防渗心墙具有结构简单、工程量小、施工速度快、防渗性能安全可靠等特点;同时沥青混凝土防渗心墙也具有较好的塑性和柔性,能适应坝体和基础的沉降变形,对已产生的裂缝还有一定的自愈能力;同时由于心墙处于坝体内部,受到坝壳料的保护,抗震能力较高。结合北京市平谷区花峪水库续建工程的具体实际,分析浇筑式沥青混凝土心墙施工技术和主要质量控制要点,为类似工程提供参考。
Asphalt concrete impervious core wall has the advantages of simple structure, small engineering quantity, fast construction speed, impervious performance and safety and other characteristics. At the same time, the asphalt concrete impervious core wall also has good plasticity and flexibility and can adapt to dam and foundation settlement Deformation, the cracks have been there is a certain degree of self-healing capacity; the same time as the heart wall in the dam body, dam shell material protection, high seismic capacity. Combined with the actual practice of Huayu reservoir renewal project in Pinggu District, Beijing, the construction technology and main quality control points of pouring asphalt concrete core wall are analyzed, providing reference for similar projects.