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Study on differential shrinkage of composite prestressed concrete beam

Okada, K. / Yoshioka, Y.

Effects of differential shrinkage of composite beams having flange or upper half portion cast on precast prestressed beam; cast-in-place concrete was made with artificial light weight aggregates; variable involved in 30 beam specimens were shape of cross section, amount of shear connecter, ratio of shear span to beam depth, and age at casting slab; differential shrinkage set up internal stresses in composite construction and its effects on cracking moment and on ultimate strength of composite beams were studied; it is concluded that differential shrinkage has so profound effect that it should be taken into consideration in design, especially when slab concrete is placed at later time. (35408)

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Study on differential shrinkage of composite prestressed concrete beam

Okada, K. / Yoshioka, Y.

Effects of differential shrinkage of composite beams having flange or upper half portion cast on precast prestressed beam; cast-in-place concrete was made with artificial light weight aggregates; variable involved in 30 beam specimens were shape of cross section, amount of shear connecter, ratio of shear span to beam depth, and age at casting slab; differential shrinkage set up internal stresses in composite construction and its effects on cracking moment and on ultimate strength of composite beams were studied; it is concluded that differential shrinkage has so profound effect that it should be taken into consideration in design, especially when slab concrete is placed at later time. (35408)

Study on differential shrinkage of composite prestressed concrete beam

Okada, K. / Yoshioka, Y.

Effects of differential shrinkage of composite beams having flange or upper half portion cast on precast prestressed beam; cast-in-place concrete was made with artificial light weight aggregates; variable involved in 30 beam specimens were shape of cross section, amount of shear connecter, ratio of shear span to beam depth, and age at casting slab; differential shrinkage set up internal stresses in composite construction and its effects on cracking moment and on ultimate strength of composite beams were studied; it is concluded that differential shrinkage has so profound effect that it should be taken into consideration in design, especially when slab concrete is placed at later time. (35408)

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Title:

Study on differential shrinkage of composite prestressed concrete beam

Additional title:

Mem Fac Eng, Kyoto Univ

Contributors:

Okada, K. (author) / Yoshioka, Y. (author)

Published in:

Memoirs of the Faculty of Engineering, Kyoto University ; 30

Publication date:

1968

Size:

12 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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