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Variation in Temperature-Induced Displacement Curvature of Prestressed Concrete Girders Deteriorated by Alkali-Silica Reaction
For a correct evaluation of structural damage properties, it is vital to recognize structural responses induced by structural damage from alterations due to environmental changes. This study examined the relationship between the ambient temperature variations and the changes in the curvature of displacement curves of full-scale girders, which were periodically experimented on in six months. The alkali-silica reaction (ASR) also deteriorated the girders during the monitoring period. As an outcome, the environmental temperature markedly altered the variations in the displacement curvature of the experimental girders. All curvature values inferred from measured data had positive relations with the environmental temperature. In addition, the regression model explained that the ambient temperature was not the only factor influencing the change in the displacement curvature. Besides, the linear regression line of the ASR-deteriorated girder had a lightly more significant inclination than that of the intact one in all measurements.
Variation in Temperature-Induced Displacement Curvature of Prestressed Concrete Girders Deteriorated by Alkali-Silica Reaction
For a correct evaluation of structural damage properties, it is vital to recognize structural responses induced by structural damage from alterations due to environmental changes. This study examined the relationship between the ambient temperature variations and the changes in the curvature of displacement curves of full-scale girders, which were periodically experimented on in six months. The alkali-silica reaction (ASR) also deteriorated the girders during the monitoring period. As an outcome, the environmental temperature markedly altered the variations in the displacement curvature of the experimental girders. All curvature values inferred from measured data had positive relations with the environmental temperature. In addition, the regression model explained that the ambient temperature was not the only factor influencing the change in the displacement curvature. Besides, the linear regression line of the ASR-deteriorated girder had a lightly more significant inclination than that of the intact one in all measurements.
Variation in Temperature-Induced Displacement Curvature of Prestressed Concrete Girders Deteriorated by Alkali-Silica Reaction
Lecture Notes in Civil Engineering
Ha-Minh, Cuong (editor) / Tang, Anh Minh (editor) / Bui, Tinh Quoc (editor) / Vu, Xuan Hong (editor) / Huynh, Dat Vu Khoa (editor) / Ha, Tuan Minh (author) / Fukada, Saiji (author) / Ho, Duc-Duy (author)
CIGOS 2021, Emerging Technologies and Applications for Green Infrastructure ; Chapter: 98 ; 967-974
2021-10-28
8 pages
Article/Chapter (Book)
Electronic Resource
English
Inspection and Analysis of Prestressed Concrete Girders Deteriorated by Alkali-Silica Reaction
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