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高聚物改性沥青作为桥面铺装材料是普遍应用于铁路预制梁,它的铺装有利于提高铁路梁的使用寿命,本文主要介绍高聚物改性沥青防水卷材施工前应做好的几项工作,从施工环境要求、桥面排水坡度要求、桥面基层空隙、裂缝的处理、桥面找平层要求、卷材的铺贴等方面阐述桥面防水卷材施工要点,保证桥面铺装质量。
As a bridge deck pavement material, polymer modified asphalt is widely used in railway prefabricated beams. Its pavement is beneficial to improve the service life of railway beams. This paper mainly introduces polymer modified asphalt waterproofing membrane should be prepared before construction Of the work, from the requirements of the construction environment, the requirements of the deck drainage gradient, the deck of the gap, crack treatment, deck leveling requirements, the membrane of the membrane laying and other aspects of the deck waterproofing membrane construction points to ensure that the bridge deck Pavement quality.