A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Abstract SFRC is a modified form of the concrete wherein the short and discrete steel fibers are dispersed in the concrete ingredients at the time of the mixing. The hardened product unlike a plain concrete possesses improved mechanical properties with an enhanced post-cracking tensile resistance and the toughness. The improved tensile-force carrying capacity of the concrete enables the designers to rely on the tension capacity of the SFRC alone. Nevertheless, this improvement depends heavily on the pouring methods and the procedure used in the SFRC placement and its compaction in the moulds. The present chapter presents the flexural response of SFRC members. A generic design procedure is also presented to proportion the flexural members using the steel fibers as their alone reinforcement; it is equally applicable to the members having conventional reinforcing bars in their tensile zone or the members having both the steel fibers and the conventional reinforcement. Design charts are given to assist the designer to choose the fiber parameters and other design parameters quickly while designing an SFRC flexural members. A number of examples are also given to illustrate the applications of the design charts and analytical model in the design of SFRC members.
Abstract SFRC is a modified form of the concrete wherein the short and discrete steel fibers are dispersed in the concrete ingredients at the time of the mixing. The hardened product unlike a plain concrete possesses improved mechanical properties with an enhanced post-cracking tensile resistance and the toughness. The improved tensile-force carrying capacity of the concrete enables the designers to rely on the tension capacity of the SFRC alone. Nevertheless, this improvement depends heavily on the pouring methods and the procedure used in the SFRC placement and its compaction in the moulds. The present chapter presents the flexural response of SFRC members. A generic design procedure is also presented to proportion the flexural members using the steel fibers as their alone reinforcement; it is equally applicable to the members having conventional reinforcing bars in their tensile zone or the members having both the steel fibers and the conventional reinforcement. Design charts are given to assist the designer to choose the fiber parameters and other design parameters quickly while designing an SFRC flexural members. A number of examples are also given to illustrate the applications of the design charts and analytical model in the design of SFRC members.
Design of SFRC Flexural Members
Singh, Harvinder (author)
2016-10-27
50 pages
Article/Chapter (Book)
Electronic Resource
English
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