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Journal of Earthquake Engineering Volume 25, 2021 - Issue 5
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Original Articles

Shear Strength of Exterior Wide Beam-Column Joints with Different Beam Reinforcement Ratios

Roy Y.C. HuangDepartment of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Kowloon, Hong KongCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0003-2964-4275View further author information
ORCID Icon,
J.S. KuangDepartment of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Kowloon, Hong KongORCID Iconhttps://orcid.org/0000-0002-5795-1312View further author information
ORCID Icon &
Hamdolah BehnamDepartment of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Kowloon, Hong KongORCID Iconhttps://orcid.org/0000-0002-6389-1002View further author information
ORCID Icon
Pages 918-940 | Received 19 Feb 2018, Accepted 02 Nov 2018, Published online: 16 Nov 2018
 
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ABSTRACT

Full-scale exterior reinforced concrete wide beam-column joints with beam reinforcement ratios of 0.84%, 1.07% and 1.28% were tested under reversed cyclic loading. Beam flexural failure was observed in the specimen with reinforcement ratio of 0.84%, while joint shear failure after beam yielding was detected in other two specimens. Detailed analysis was conducted to evaluate the seismic performance of specimens including hysteretic behavior, cracking patterns, joint shear distortion, strain of the reinforcement and energy dissipation capacity. Accuracies of the joint shear demand and capacity predicted by four seismic codes of practice are assessed by joint shear forces from the experimental results.

Additional information

Funding

The work was supported by The Research Grants Council of Hong Kong [16209115].

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