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Wiesława Głodkowska, Marek Lehmann
Koszalin University of Technology, Poland
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This article presents calculation results for shear capacity which were obtained using SFRWSC's residual strengths in accordance with fib Model Code and RILEM standards. Shear capacity was calculated in two variants: for constant cross-section of a specimen and for constant ratio of flexural reinforcement. The article also presents residual strength test results for SFRWSC with varying steel fibre content and shows the influence of fibre content on the com-posite's residual strengths. It has been proved that SFRWSC, which is an ecological composite and whose properties are similar or better than those of ordinary concrete, can be useful in the production of structural elements with regard to shear capacity. Additionally, one has observed that SFRWSC's strength characteristics, which are used in structural de-sign, are determined more accurately in fib Model Code than in RILEM standard. Furthermore, the issue of minimum conventional shear reinforcement should be emphasized as RILEM recommendation sets no conditions for reducing or omitting this reinforcement.

Steel fiber-reinforced concrete, waste sand, residual strength, shear capacity

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