旧路加宽改造施工中的若干技术问题

TRANSFORMATION OF THE OLD ROAD WIDENING CONSTRUCTION OF A NUMBER OF TECHNICAL ISSUES

在原有道路基础上拓宽并在原混凝土路面上加铺沥青混凝土面层,可提高城市道路的交通运输能力和水泥路面的使用功能。但如何防止原有水泥路面以及拓宽路面与原有路面之间接缝的反射型裂缝的发生,是城市道路改造中遇到的一个新课题。

On the basis of the original road widening,and in the original concrete road paved asphalt concrete surface layer, can improve the transport capacity of urban roads and cement pavement of use. But how to prevent the existing concrete pavement and widen the road with the existing pavement joints between the occurrence of reflective cracks are encountered in urban road reconstruction a new topic.