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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Instrumentation of the Grand-Mere Bridge During Strengthening
Author(s): B. Massicotte and A. Picard
Publication: Special Publication
Appears on pages(s): 59-80
Keywords: bridges (structures); field tests; girders; instruments; prestressed concrete; segmental construction; strengthening; Construction
Abstract:Describes details of an extensive monitoring program carried out during the strengthening of the Grand Mere Bridge, a cast-in-place post-tensioned segmental box girder structure built in 1977. The testing program comprised various measurements taken before, during, and after the prestressing application. Electrical strain gages, mechanical strain gages, vibrating wire gages, and thermocouples were among the measuring instruments used. A bridge testing data acquisition system in a vehicle and an autonomous data acquisition system were used, together with manual reading devices. The field measurement program was carried out during strengthening. Some instruments used allow the monitoring of the bridge over a long-term period.
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