A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Thermal nondestructive testing (TNDT) of composite reinforcements adhesively bonded to concrete civil structures
Thermographic nondestructive testing (TNDT) was performed on two steel reinforced concrete civil structures which were reinforced with composite materials. The first was an 8 foot tall column with a rectangular cross-section. This column was reinforced with adhesively bonded fiberglass shells to simulate a seismic retrofit. The second structure was a marine pier which was upgraded in deck loading capacity by the application of 4 types of composite reinforcement. TNDT was successful in detecting both simulated and actual disbonds in several types of composite reinforcements. It was unsuccessful in one other and not attempted in another. NDT standards were created 'in situ' for two of the composite materials used on these upgrades. NDT evaluations were performed over 100% of the Caltrans Qualification Test Column, and on a 'random spot check' basis along typical sections of the concrete deck structure of the marine pier. Information on the types of defects which occur in these structures and their locations has led to process improvements in the application of adhesively bonded laminated composites to steel reinforce concrete structures.
Thermal nondestructive testing (TNDT) of composite reinforcements adhesively bonded to concrete civil structures
Thermographic nondestructive testing (TNDT) was performed on two steel reinforced concrete civil structures which were reinforced with composite materials. The first was an 8 foot tall column with a rectangular cross-section. This column was reinforced with adhesively bonded fiberglass shells to simulate a seismic retrofit. The second structure was a marine pier which was upgraded in deck loading capacity by the application of 4 types of composite reinforcement. TNDT was successful in detecting both simulated and actual disbonds in several types of composite reinforcements. It was unsuccessful in one other and not attempted in another. NDT standards were created 'in situ' for two of the composite materials used on these upgrades. NDT evaluations were performed over 100% of the Caltrans Qualification Test Column, and on a 'random spot check' basis along typical sections of the concrete deck structure of the marine pier. Information on the types of defects which occur in these structures and their locations has led to process improvements in the application of adhesively bonded laminated composites to steel reinforce concrete structures.
Thermal nondestructive testing (TNDT) of composite reinforcements adhesively bonded to concrete civil structures
Bohner, R. (author) / Burleigh, D. (author)
1998
12 Seiten, 3 Quellen
Conference paper
English
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