Several measures to improve the quality of installing expansion joint in highway bridge;

Operating principle of Maole expansion joint in Xiushui Bridge and its installation;

Study on wall cracks at expansion joints and reinforcement treatment;

On the disease of bridge shrinkage joint and its treatment;

The application of fly ash mixing technology in shrinkage joint of bridge roadbed;

From the aspect of professional configuration,this paper states the problems in cistern design,such as deter- mine of underground water table,shrinkage joint setting,later casting zone,and the adaptation of design and construc- tion.