| Summary: | 碩士 === 國立臺北科技大學 === 土木與防災研究所 === 94 === The common measurement units of bridge visual inspection used by the Taiwan Area National Freeway Bureau are the number of the bridge, the length of bridge, the surface area of the bridge, the man day needed of engineer to inspect the bridge, and one project. These measuring units are inconsistent and some are unreasonable. Sometimes, it will create statistics and management difficulties, and even has the dispute with the inspection consultant companies. It is necessary to propose a reasonable measurement unit for bridge inspection by using a scientific approach.
In the thesis, the Analytic Hierarchy Process (AHP) was proposed and the software (Expert Choice 2000) was used. During the AHP questionnaire survey, a total of 63 questionnaires were sent out to engineers who work on the bridge inspection. Only effective 28 questionnaires were accepted. After the analysis by using AHP, we have the following conclusions. The optimal measurement unit of bridge visual inspection is the length of bridge.
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