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dc.contributor.authorLuo, Daen_US
dc.contributor.authorNing, Chaolieen_US
dc.contributor.authorLi, Bingen_US
dc.identifier.citationLuo, D., Ning, C. & Li, B. (2019). Effective torsional stiffness of reinforced concrete structural walls. Earthquake and Structures, 16(1), 119-127.
dc.description.abstractWhen a structural wall is subjected to multi-directional ground motion, torsion-induced cracks degrade the stiffness of the wall. The effect of torsion should not be neglected. As a main lateral load resisting member, reinforced concrete (RC) structural wall has been widely studied under the combined action of bending and shear. Unfortunately, its seismic behavior under a combined action of torsion, bending and shear is rarely studied. In this study, torsional performances of the RC structural walls under the combined action is assessed from a comprehensive parametrical study. Finite element (FE) models are built and calibrated by comparing with the available experimental data. The study is then carried out to find out the critical design parameter affecting the torsional stiffness of RC structural walls, including the axial load ratio, aspect ratio, leg-thickness ratio, eccentricity of lateral force, longitudinal reinforcement ratio and transverse reinforcement ratio. Besides, to facilitate the application in practice, an empirical equation is developed to estimate the torsional stiffness of RC rectangular structural walls conveniently, which is found to agree well with the numerical results of the developed FE models.en_US
dc.relation.ispartofEarthquake and Structuresen_US
dc.rights© 2019 Techno-Press, Ltd. All rights reserved.en_US
dc.subjectEngineering::Civil engineeringen_US
dc.titleEffective torsional stiffness of reinforced concrete structural wallsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.subject.keywordsReinforced Concreteen_US
dc.subject.keywordsRectangular Structural Wallsen_US
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