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Title: Truss-arch model for shear strength of shear-critical reinforced concrete columns
Authors: Pan, Zuanfeng.
Li, Bing.
Keywords: DRNTU::Engineering
Issue Date: 2012
Source: Pan, Z., & Li, B. (2012). Truss-arch model for shear strength of shear-critical reinforced concrete columns. Journal of Structural Engineering, 139(4), 548–560.
Series/Report no.: Journal of structural engineering
Abstract: Experimental observations on 11 Reinforced Concrete (RC) columns tested at Nanyang Technological University (NTU), and existing experimental data of 79 shear-critical RC columns are presented. Significant arch action is found in columns of small shear span-to-depth ratio and high axial-load ratio under shear force. Utilizing the sectional method for shear strength of these types of columns, which does not consider arch action, would give a more conservative prediction. Based on the truss-arch model, an expression to predict the shear strength of shear-critical RC columns is presented, which considers both the contributions of concrete and transverse reinforcement to shear strength in the truss model as well as the contribution of arch action through compatibility of deformation. The proposed model is compared with other shear strength models using the available column test data consisting of 90 shear-critical RC columns, and the results show that the proposed model can improve the accuracy of shear strength predictions for shear-critical RC columns
ISSN: 0733-9445
DOI: 10.1061/(ASCE)ST.1943-541X.0000677
Rights: © 2012 American Society of Civil Engineers. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Structural Engineering, American Society of Civil Engineers. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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