Identification of Performance Indicators and Development of Performance Based Specifications for Bridge Decks;Final rept. Jul 96-Dec 99

摘要

The deterioration of highway bridges in the United States is proceeding at an alarming rate. The Wisconsin Department of Transportation (WisDOT) desires to have quality bridge docks constructed which will last longer and require less maintenance. In 1996, a study was proposed to develop a set of guidelines and determine performance indicators for bridge docks. These would be used to establish a performance-based specification for the construction of concrete bridge decks. Performance-based specifications place more responsibility on the contractor to construct a quality product and establish his or her own method of quality control which ultimately reduces Wisconsin Department of Transportation maintenance costs. The first task in the study was to conduct a search of the technical literature. Next, a questionnaire was developed for bridge contractors and personnel in the state transportation departments to obtain information for a performance-based specification. The questionnaire for contractors consisted of questions on deck materials, construction policies and deck placement and finishing. The questionnaire for personnel in state transportation departments included additional questions on the topic of design.