Journal
JOURNAL OF MATERIALS IN CIVIL ENGINEERING
Volume 31, Issue 1, Pages -Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)MT.1943-5533.0002561
Keywords
Fabric reinforced cementitious matrix (FRCM) systems; Masonry; Bond; Carbon fibers
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The bond between fabric reinforced cementitious matrix (FRCM) and masonry substrates is investigated in this paper. An experimental investigation was performed on eighteen clay brick specimens strengthened with a single layer of carbon FRCM (CFRCM). Direct shear tests (single lap) were conducted at an ambient temperature of 20 degrees C varying the bond length of the CFRCM reinforcement [Lb=150(6), 200 (8), 250 (10), and 300 (12) mm (in.)]. Experimental bond strength values, bond-slip law, and failure modes described and analyzed in this paper allow for evidencing of the bond performances of the CFRCM-masonry substrates. Finally, an analytical local bond-slip law was defined and used to compare theoretical predictions and experimental results.
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