SP-236: Deformation Capacity and Shear Strength of Reinforced Concrete Members Under Cyclic Loading

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Editors: Adolfo Matamoros & Kenneth Elwood


Earthquakes worldwide have clearly demonstrated the vulnerability of reinforced concrete members to degradation in shear strength when subjected to cyclic loading. Such degradation can lead to significant damage to the structure and, possibly, even collapse. With the advancement of performance-based earthquake engineering, where the response of the structure must be traced through all levels of damage, there is a significant need to accurately define the deformation capacity and shear strength for such members. This symposium publication represents an effort from researchers across the globe trying to address this challenging problem.

Although at the time of publication there are some methodologies that can be used in performance-based earthquake engineering, there is a significant need for improved methods better suited for these types of applications. Furthermore, one of the concerns often expressed by researchers is that test data used in the past to develop and calibrate existing models consisted of relatively small data sets. This problem is compounded by differences between experimental studies in aspects such as the type of load history used, the manner in which deformations were recorded during tests, and the definition of displacement and strength at failure.

The recent development of the PEER column database, hosted by the University of Washington, provided a valuable resource to overcome some of these problems. It presented researchers with a larger pool of data, which included the full hysteretic response of every column in the data set. Although this represented a very significant step forward, efforts of this kind should continue to improve the ability of researchers to calibrate and evaluate models for shear strength and deformation capacity.

A joint technical session was organized by Joint ACI-ASCE Committees 441, Reinforced Concrete Columns, and 445, Shear and Torsion, during the American Concrete Institute’s Fall 2004 Convention in San Francisco, CA. The goal of the technical session was to showcase recent developments in this area, with the hope that continued discussion will lead to improved models that are suitable for performance-based engineering.

This symposium publication is a collection of technical articles presented at that meeting and represents an effort from Joint ACI-ASCE Committees 441 and 445 to continue the technical discussion on this topic


Document Details

Publication Year: 2006

ISBN: 9780870312090

Categories: Shear

Formats: PDF

Table of Contents


SP-236—1: Deformation Capacity of RC Members with Brittle Details Under

Cyclic Loads 1

by D.V. Syntzirma and S.J. Pantazopoulou

SP-236—2: Effects of Displacement History on Failure of Lightly Confined

Bridge Columns 23

by R.T. Ranf, M.O. Eberhard, and J.F. Stanton

SP-236—3: Effect of Shear Reversals on Dynamic Demand and Resistance of Reinforced Concrete Elements 43

by S. Pujol and M.A. Sözen

SP-236—4: Seismic Performance of Reinforced Concrete Columns: P-Δ Effect 61

by S. Bae and O. Bayrak

SP-236—5: Application of a Probablistic Drift Capacity Model for

Shear-Critical Columns 81

by L. Zhu, K.J. Elwood, T. Haukaas, and P. Gardoni

SP-236—6: Effect of Cyclic Loading on the Shear Strength of RC Members 103

by M. von Ramin and A.B. Matamoros

SP-236—7: Shear-Flexure Interaction for Structural Walls 127

by L.M. Massone, K. Orakcal, and J.W. Wallace

SP-236—8: Drift Capacity of Walls Accounting for Shear: The 2004 Canadian

Code Provisions 151

by P. Adebar

SP-236—9: Effect of Steel Grid Orientation on Seismic Performance of

Shear Walls 171

by Y.L. Mo, W.-I. Liao, J. Zhong, C.C. Lin, and C.-H. Loh


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