Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 107, Issue -, Pages 226-234Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2016.01.001
Keywords
Normal concrete (NC); Engineered cementitious composite (ECC); Polyvinyl alcohol fibers (PVA); Pinching effect
Categories
Funding
- Ministry of Education (MOE), Malaysia [UM.C/625/1/HIR/MOHE/ENG/56]
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This paper investigates the effects of engineered cementitious composite (ECC) on the behavior of RC exterior beam-column joint under reversed cyclic loading. The main parameters considered include the load-deflection relationship, crack propagation, moment-rotation relationship at the joint, and energy absorption capacity. The experimental work was conducted on a normal concrete and an ECC full scale RC exterior beam-column joint. The specimen was subjected to reverse cyclic loading under controlled deformation at the tip of the beam until failure. At post cracking stages, the ECC joint showed significant improvement in the ultimate shear and moment capacities, as well as in the deformation behavior and damage tolerance, compared with the NC specimen at ultimate and failure stages. Numerous tiny cracks with reduced crack width and spacing forming a dense of network propagated within the joint region. (c) 2016 Elsevier Ltd. All rights reserved.
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