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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Effect of High-Strength Materials on Lateral Strength of Stocky Reinforced Concrete Walls
Author(s): Steven M. Barbachyn, Robert D. Devine, Ashley P. Thrall, and Yahya C. Kurama
Publication: Structural Journal
Appears on pages(s): 923-936
Keywords: finite element modeling; high-strength concrete; high-strength reinforcing steel bars; low aspect ratio; reinforced concrete; shear design; squat walls; stocky walls
Abstract:Stocky reinforced concrete (RC) walls with low height-to-length aspect ratios stand to benefit greatly from high-strength steel and concrete because the lateral load designs for these walls are governed mostly by strength, with reduced demands for ductility, which is compatible with the reduced strain capacities of highstrength materials. This paper numerically investigates the effect of these materials on the peak lateral strength of stocky walls for buildings and non-containment, safety-related nuclear structures. A nonlinear finite element method and available closed-form design equations for predicting the wall lateral strength are compared with existing experimental results, culminating in modeling and design recommendations. The validated finite element method is then used to conduct a parametric investigation on the effect of high-strength steel and concrete on the wall lateral strength, specifically focusing on rectangular walls without boundary regions/members. Ultimately, the paper demonstrates the benefits (and limits) of high-strength materials for these walls, and provides an impetus for future experimental research and inclusion of these materials in ACI 318 and ACI 349. Modifications needed to the current ACI methods to predict the lateral strength of stocky walls are also discussed.
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