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A platform for research: civil engineering, architecture and urbanism
Nondestructive damage detection and evaluation technique for seismically damaged structures
The development of quantitative damage detection and evaluation technique, and damage detection technique for invisible damages of structures are required according to the lessons from the 1995 Hyogo-ken Nanbu earthquake. In this study, two quantitative damage sensing techniques for highway bridge structures are proposed. One method is to measure the change of vibration characteristics of the bridge structure. According to the damage detection test for damaged bridge column by shaking table test, this method can successfully detect the vibration characteristic change caused by damage progress due to increment excitations. The other method is to use self-diagnosis intelligent materials. According to the reinforced concrete beam specimen test, the second method can detect the damage by rupture of intelligent sensors, such as optical fiber or carbon fiber reinforced plastic rod.
Nondestructive damage detection and evaluation technique for seismically damaged structures
The development of quantitative damage detection and evaluation technique, and damage detection technique for invisible damages of structures are required according to the lessons from the 1995 Hyogo-ken Nanbu earthquake. In this study, two quantitative damage sensing techniques for highway bridge structures are proposed. One method is to measure the change of vibration characteristics of the bridge structure. According to the damage detection test for damaged bridge column by shaking table test, this method can successfully detect the vibration characteristic change caused by damage progress due to increment excitations. The other method is to use self-diagnosis intelligent materials. According to the reinforced concrete beam specimen test, the second method can detect the damage by rupture of intelligent sensors, such as optical fiber or carbon fiber reinforced plastic rod.
Nondestructive damage detection and evaluation technique for seismically damaged structures
Adachi, Yukio (author) / Unjoh, Shigeki (author) / Kondoh, Masuo (author) / Ohsumi, Michio (author)
Nondestructive Evaluation of Bridges and Highways III ; 1999 ; Newport Beach,CA,USA
Proc. SPIE ; 3587
1999-02-01
Conference paper
Electronic Resource
English
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