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Shrinkage and deflection of composite prestressed concrete beams

Evans, R.H. / Chung, H.W.

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.

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Shrinkage and deflection of composite prestressed concrete beams

Evans, R.H. / Chung, H.W.

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

Evans, R.H. / Chung, H.W.

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.

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Title:

Shrinkage and deflection of composite prestressed concrete beams

Additional title:

Concrete Constr Eng

Contributors:

Evans, R.H. (author) / Chung, H.W. (author)

Published in:

Concrete and Construction Engineer ; 61

Publication date:

1966

Size:

9 pages

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Beams and girders

© Metadata Copyright Elsevier B. V. All rights reserved.

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