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A platform for research: civil engineering, architecture and urbanism
Flexural displacement response of NSM FRP retrofitted masonry walls
Highlights • This paper presents flexural test results of 15 FRP strengthened masonry walls. • Cyclic loading, pre-compression, reinforcement ratio and strip spacing were studied. • Cyclic loading and vertical pre-compression shown to have little effect. • Strip spacing and reinforcement ratio strongly affect wall performance. • Smaller strips at closer spacing gave best strength and displacement response.
Abstract Fifteen clay brick masonry wall tests were conducted to study the behaviour of near-surface-mounted (NSM) carbon fibre reinforced polymer (CFRP) retrofitted masonry walls in flexure. All walls were simply-supported along their top and bottom edges and tested in vertical one-way bending under three- and four-point bending and failed by intermediate crack debonding. The results of these experimental tests indicate that: (1) reverse cyclic loading and axial pre-compression had little effect on wall load–deflection response; (2) FRP strip spacing and reinforcement ratio strongly influenced wall response; and (3) for a constant reinforcement ratio, smaller strips at closer spacing gave better wall strength and displacement response.
Flexural displacement response of NSM FRP retrofitted masonry walls
Highlights • This paper presents flexural test results of 15 FRP strengthened masonry walls. • Cyclic loading, pre-compression, reinforcement ratio and strip spacing were studied. • Cyclic loading and vertical pre-compression shown to have little effect. • Strip spacing and reinforcement ratio strongly affect wall performance. • Smaller strips at closer spacing gave best strength and displacement response.
Abstract Fifteen clay brick masonry wall tests were conducted to study the behaviour of near-surface-mounted (NSM) carbon fibre reinforced polymer (CFRP) retrofitted masonry walls in flexure. All walls were simply-supported along their top and bottom edges and tested in vertical one-way bending under three- and four-point bending and failed by intermediate crack debonding. The results of these experimental tests indicate that: (1) reverse cyclic loading and axial pre-compression had little effect on wall load–deflection response; (2) FRP strip spacing and reinforcement ratio strongly influenced wall response; and (3) for a constant reinforcement ratio, smaller strips at closer spacing gave better wall strength and displacement response.
Flexural displacement response of NSM FRP retrofitted masonry walls
Griffith, Michael C. (author) / Kashyap, Jaya (author) / Mohamed Ali, M.S. (author)
Construction and Building Materials ; 49 ; 1032-1040
2012-01-01
9 pages
Article (Journal)
Electronic Resource
English
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