北京市立交桥防水层性能改善途径谢产庭，卢铁瑞，张家升，朱东（北京市市政工程研究院）一、前言城市立交桥桥面过去大部分是钢筋水泥混凝土铺装，它的优点是耐磨性和温度稳定性好，缺点是开裂较严重，主要有桥边角开裂和纵、横裂。调查资料表明，北京市的立体交叉桥桥面... Beijing overpass waterproofing performance improvement ways Xiechan Ting, Lutie Rui, Zhang Jiasheng, Zhu Dong (Beijing Municipal Engineering Research Institute) First, the overpass deck of the city over the past most of the reinforced concrete pavement, which has the advantage of wear resistance And the temperature stability is good, the disadvantage is more serious cracking, the bridge corner cracking and longitudinal, transverse crack. Survey data show that the three-dimensional cross-deck bridge in Beijing ...