The primary objective of this paper is to develop the product data models, in which systematic information is defined for\r\naccumulating, exchanging, and sharing in themaintenance of concrete highway bridges.The information requirement and existing\r\nissues and solutions were analyzed based on the life cycle and the standardization for sharing. The member data models and\r\nbusiness data models that defined design and construction information and accumulated results information were developed.The\r\nmaintenance business process in which project participants utilize the product data model was described as utilization scenario.\r\nThe utilization frameworks which define information flow were developed.
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