水泥混凝土桥面铺装病害及预防措施

Diseases of Cement Concrete Deck Pavement and Precautions

近十几年来,随着高等级公路的高速发展,桥梁的数量增多,许多桥建成通车之后不久就出现了问题,给车辆的运行和桥梁的维修带来诸多不便。个别路段桥面铺装就不断出现较大面积的早期破坏,病害主要表现为局部坑槽、角隅破坏、纵横缝两侧啃边、纵向裂缝等。

In the recent decate, with high - speed development of high - type highway, bridge increment in quantity. A lot of bridges, soon after complete building and opening to traffic, yield problem and bring much inconvenience for running of vehicle and maintenance of bridge. The deck pavement at individual road section constantly produces early injury of massive area ,which are chiefly manifested as the local chuck hole, angle damage ,edge failure at both sides of longitudinal and cross joints as well as logitudinal crack etc.