Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Shrinkage and deflection of composite prestressed concrete beams
Formulas for differential shrinkage stresses and deflection of prestressed composite beam are transformed in terms of dimensionless parameters; parametric equations, when represented graphically, show influence of sectional properties of beam on differential shrinkage stresses and deflection; parametric study leads to recommendations that concrete mixes having similar moduli of elasticity should be used for precast and cast-insitu component; rectangular composite beam should be proportioned so that depth of cast-in-situ component is two to three times depth of precast component; section with relatively small flange, both in thickness and depth, should be adopted for composite T-beam.
Shrinkage and deflection of composite prestressed concrete beams
Formulas for differential shrinkage stresses and deflection of prestressed composite beam are transformed in terms of dimensionless parameters; parametric equations, when represented graphically, show influence of sectional properties of beam on differential shrinkage stresses and deflection; parametric study leads to recommendations that concrete mixes having similar moduli of elasticity should be used for precast and cast-insitu component; rectangular composite beam should be proportioned so that depth of cast-in-situ component is two to three times depth of precast component; section with relatively small flange, both in thickness and depth, should be adopted for composite T-beam.
Shrinkage and deflection of composite prestressed concrete beams
Concrete Constr Eng
Evans, R.H. (Autor:in) / Chung, H.W. (Autor:in)
1966
9 pages
Aufsatz (Zeitschrift)
Englisch
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