ABSTRACT This work proposes a new method to value creep and shrinkage effects on states of stress and strain of composite beams with stiff connections (Weighted Mean Creep Function Method or MMP). The reliability of this method is proved by many analyses carried out on simply supported composite beams, in elastic linear creep sphere, changing the cross section geometry and environmental conditions. The investigations developed through this new method prove a good approximation level of achieved solution in terms of stresses and, above all, of delayed strains for which the carried out analyses lead to very careful results and always advantaging safety.

CREEP AND SHRINHAGE EFFECTS ON STATES OF STRESS AND STRAIN OF STELL-CONCRETE COMPOSITE BEAMS (PROPOSAL OF A NEW METHOD)

DELLA SALA, Lucio;
1999

Abstract

ABSTRACT This work proposes a new method to value creep and shrinkage effects on states of stress and strain of composite beams with stiff connections (Weighted Mean Creep Function Method or MMP). The reliability of this method is proved by many analyses carried out on simply supported composite beams, in elastic linear creep sphere, changing the cross section geometry and environmental conditions. The investigations developed through this new method prove a good approximation level of achieved solution in terms of stresses and, above all, of delayed strains for which the carried out analyses lead to very careful results and always advantaging safety.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11563/11092
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