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Shrinkage and deflection of composite prestressed concrete beams
Reinforcement in cast-in situ concrete of composite beam restrains shrinkage of concrete and reduces magnitude of differential shrinkage; restraint induces tensile stresses, and net effect of reinforcement is transfer of stresses from precast concrete component to cast-in situ concrete component of composite section; differential shrinkage stresses in prestressed composite concrete beam with reinforced cast-in situ concrete component can be calculated by modified Morsch method; effect of reinforcement is demonstrated experimentally by time-dependent deformations of series of prestressed composite concrete beams.
Shrinkage and deflection of composite prestressed concrete beams
Reinforcement in cast-in situ concrete of composite beam restrains shrinkage of concrete and reduces magnitude of differential shrinkage; restraint induces tensile stresses, and net effect of reinforcement is transfer of stresses from precast concrete component to cast-in situ concrete component of composite section; differential shrinkage stresses in prestressed composite concrete beam with reinforced cast-in situ concrete component can be calculated by modified Morsch method; effect of reinforcement is demonstrated experimentally by time-dependent deformations of series of prestressed composite concrete beams.
Shrinkage and deflection of composite prestressed concrete beams
Concrete
Evans, R.H. (author) / Chung, H.W. (author)
Concrete ; 1
1967
10 pages
Article (Journal)
English
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