Samenvatting
The Hyogo-ken nambu earthquake which occurred in 1995 hit Kobe metropolitan area and Hanshin Expressway Kobe Route was damaged seriously. Hanshin Expressway Public Corporation (HEPC) restored damaged structures and constructed drainage pavement on the continuous elevated structures. Drainage pavement for bridges had not been used on such a huge scale before, and little data existed to make a maintenance plan. In this paper, the degradation of serviceability and function of the drainage pavement is specified by means of analyzing the damage data in past 6 years. Besides, the results before and after works restored its function is discussed. (Author/publisher) For the covering entry of this conference, please see ITRD abstract no. E208431.