Direct shear strength of rebar-coupler anchor systems for steel-plate composite (SC) walls
Abstract
This work focuses on the direct shear behavior of rebar-coupler anchor systems, and their use for anchorage of steel-plate composite (SC) walls to the concrete basemat of safety-related nuclear facilities. Large-scale rebar-coupler anchor specimens were tested under direct shear loading until failure. The results included the applied load-slip displacement responses of the specimens, the direct shear strength, and the observed failure mode. The American Concrete Institute (ACI) 349 code equation for calculating the direct shear strength of embedded anchors was compared with the direct shear strengths from the tests. The code equation underestimated the direct shear strength of the anchor system, because it was based on the assumption that shear failure occurs in the rebars, whereas experimental observations indicated that shear fracture failure occurred in the coupler rather than the rebars. The design equation was updated to utilize the net shear area of the coupler instead of the rebars, after which the direct shear strengths from the tests could be calculated with reasonable accuracy. The experimental results were also used to propose an empirical model for the shear force-slip displacement response of rebar-coupler anchor systems.
- Authors:
-
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Purdue Univ., West Lafayette, IN (United States). Lyles School of Civil Engineering
- Central Connecticut State Univ., New Britain, CT (United States)
- Publication Date:
- Research Org.:
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE)
- OSTI Identifier:
- 1407423
- Report Number(s):
- INL/JOU-16-39845
Journal ID: ISSN 1598-2351; PII: 96
- Grant/Contract Number:
- AC07-05ID14517
- Resource Type:
- Accepted Manuscript
- Journal Name:
- International Journal of Steel Structures
- Additional Journal Information:
- Journal Volume: 16; Journal Issue: 4; Journal ID: ISSN 1598-2351
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; direct shear strength; rebar-coupler anchor; steel-concrete; Steel-plate composite; composite
Citation Formats
Kurt, Efe G., Varma, Amit H., and Sohn, Young M. Direct shear strength of rebar-coupler anchor systems for steel-plate composite (SC) walls. United States: N. p., 2016.
Web. doi:10.1007/s13296-016-0096-6.
Kurt, Efe G., Varma, Amit H., & Sohn, Young M. Direct shear strength of rebar-coupler anchor systems for steel-plate composite (SC) walls. United States. https://doi.org/10.1007/s13296-016-0096-6
Kurt, Efe G., Varma, Amit H., and Sohn, Young M. Sat .
"Direct shear strength of rebar-coupler anchor systems for steel-plate composite (SC) walls". United States. https://doi.org/10.1007/s13296-016-0096-6. https://www.osti.gov/servlets/purl/1407423.
@article{osti_1407423,
title = {Direct shear strength of rebar-coupler anchor systems for steel-plate composite (SC) walls},
author = {Kurt, Efe G. and Varma, Amit H. and Sohn, Young M.},
abstractNote = {This work focuses on the direct shear behavior of rebar-coupler anchor systems, and their use for anchorage of steel-plate composite (SC) walls to the concrete basemat of safety-related nuclear facilities. Large-scale rebar-coupler anchor specimens were tested under direct shear loading until failure. The results included the applied load-slip displacement responses of the specimens, the direct shear strength, and the observed failure mode. The American Concrete Institute (ACI) 349 code equation for calculating the direct shear strength of embedded anchors was compared with the direct shear strengths from the tests. The code equation underestimated the direct shear strength of the anchor system, because it was based on the assumption that shear failure occurs in the rebars, whereas experimental observations indicated that shear fracture failure occurred in the coupler rather than the rebars. The design equation was updated to utilize the net shear area of the coupler instead of the rebars, after which the direct shear strengths from the tests could be calculated with reasonable accuracy. The experimental results were also used to propose an empirical model for the shear force-slip displacement response of rebar-coupler anchor systems.},
doi = {10.1007/s13296-016-0096-6},
journal = {International Journal of Steel Structures},
number = 4,
volume = 16,
place = {United States},
year = {Sat Dec 31 00:00:00 EST 2016},
month = {Sat Dec 31 00:00:00 EST 2016}
}
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