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Shear resistance of reinforced concrete beams in dependence on concrete strength in compressive struts (CROSBI ID 211421)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Grandić, Davor ; Šćulac, Paulo ; Štimac Grandić, Ivana Shear resistance of reinforced concrete beams in dependence on concrete strength in compressive struts // Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku, 22 (2015), 4; 925-934. doi: 10.17559/TV-20140708125658

Podaci o odgovornosti

Grandić, Davor ; Šćulac, Paulo ; Štimac Grandić, Ivana

engleski

Shear resistance of reinforced concrete beams in dependence on concrete strength in compressive struts

In the current European Code EN 1992-1-1 a truss model with variable inclination angle of concrete compressive struts with a quite wide range of inclination angle, from 21, 8 degrees to 45degrees, is intended for use for shear design of reinforced concrete beams. However, some researches and recommendations indicate special attention when choosing the lower bound of inclination angle of the concrete compressive struts, due to the reduced compressive strength of cracked concrete. This work reviews theoretical background and shear design methods of reinforced concrete beams. Relation of the shear resistance to crushing of the compressive struts as a function of their inclination angle has been investigated through a parametric study, where three different approaches have been used in order to limit stresses in the compressive struts. Based on the comparison of results from the analysis a recommendation for shear resistance calculation of reinforced concrete beams in dependence on concrete strength in compressive struts of the truss model is given.

compressive struts inclination angle ; shear ; truss model

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Podaci o izdanju

22 (4)

2015.

925-934

objavljeno

1330-3651

1848-6339

10.17559/TV-20140708125658

Povezanost rada

Građevinarstvo

Poveznice
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