In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Become an ACI Member
Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its 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.
American Concrete Institute
38800 Country Club Dr.
Farmington Hills, MI
Feedback via Email
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: Shear Behavior of Slender and Non-Slender Steel Fiber- Reinforced Concrete Beams
Author(s): Sahith Gali and Kolluru V. L. Subramaniam
Publication: Structural Journal
Appears on pages(s): 149-158
Keywords: dilatancy; flexure; shear; shear capacity; shear crack; steel fiber-reinforced concrete
Abstract:Steel fiber-reinforced concrete (SFRC) beams without shear reinforcement are tested at shear span-depth ratios (a/d) equal to 1.80, 2.25, and 3.0. Cracking behavior up to the peak load is evaluated and the critical shear crack is identified from the full-field measurements on the surface of the beam obtained using digital image correlation (DIC). The in-place movements across the shear crack show a dilatant behavior with a continuous increase in the crack opening and slip across the crack faces. The critical shear crack is formed at the location of the highest applied moment-to-shear ratio in the shear span. At the peak load, there is an increase in the moment to shear ratio (Mu/(Vud)) at the critical shear crack with an increase in shear slenderness. Dilatancy across the shear crack increases with an increase in the slenderness due to the increased contribution of flexure to crack opening. While there is an increase in shear capacity with the addition of fibers, the efficiency of the fibers in increasing shear capacity decreases with an increase in the Mu/(Vud) at the critical shear crack.
Click here to become an online Journal subscriber