Experimental study on shear performance of plain construction joints integrated with ultra-high performance concrete (UHPC)
- Authors
- Jang, Hyun-O; Lee, Han-Seung; Cho, Keunhee; Kim, Jinkyu
- Issue Date
- Oct-2017
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Ultra-high performance concrete (UHPC); Construction joint; Shear strength; Push off test
- Citation
- CONSTRUCTION AND BUILDING MATERIALS, v.152, pp.16 - 23
- Indexed
- SCIE
SCOPUS
- Journal Title
- CONSTRUCTION AND BUILDING MATERIALS
- Volume
- 152
- Start Page
- 16
- End Page
- 23
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/182008
- DOI
- 10.1016/j.conbuildmat.2017.06.156
- ISSN
- 0950-0618
- Abstract
- As a part of an ongoing research to develop construction joints using ultra-high performance concrete (UHPC) and reinforcements, shear performance of plain concrete construction joints is experimentally examined with push-off tests. Two different sets, namely, a combined set of UHPC (180 MPa) and a set of UHPC (180 MPa) and NSC (normal strength concrete, 30 MPa) were considered, each of which had five cases of interface treatment including use of water jet, vertical joint, and three cases of a grooved joint. In addition, cases without any construction joint were also considered as a reference. Key factors affecting shear performance of individual construction joint were investigated in terms of shear strength, failure mechanism, and displacement responses. Experimental results show that steel fibers and grooved geometry greatly affect shear performance for the combined set of UHPC, while interlocking mechanism of coarse aggregates is crucial for the set of UHPC and NSC. (C) 2017 Elsevier Ltd. All rights reserved.
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