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Study of polysulfide sealants for joints in bridges

Cook, J.P.

It is shown that polysulfide sealants used in expansion joints of bridge decks are actually viscoelastic and exhibit interrelated phenomena of creep and stress relaxation; curves are included for modulus of elasticity, creep, and stress relaxation, with shape factor, Shore hardness and temperature as parameters; sample solutions are shown for stresses in sealants under various loading conditions, including tension plus shear and compression plus shear; stress relaxation equation is derived using curve-fitting technique and stress relaxation relationship is verified by standard laboratory methods and by method of photoelasticity.

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Study of polysulfide sealants for joints in bridges

Cook, J.P.

It is shown that polysulfide sealants used in expansion joints of bridge decks are actually viscoelastic and exhibit interrelated phenomena of creep and stress relaxation; curves are included for modulus of elasticity, creep, and stress relaxation, with shape factor, Shore hardness and temperature as parameters; sample solutions are shown for stresses in sealants under various loading conditions, including tension plus shear and compression plus shear; stress relaxation equation is derived using curve-fitting technique and stress relaxation relationship is verified by standard laboratory methods and by method of photoelasticity.

Study of polysulfide sealants for joints in bridges

Cook, J.P.

It is shown that polysulfide sealants used in expansion joints of bridge decks are actually viscoelastic and exhibit interrelated phenomena of creep and stress relaxation; curves are included for modulus of elasticity, creep, and stress relaxation, with shape factor, Shore hardness and temperature as parameters; sample solutions are shown for stresses in sealants under various loading conditions, including tension plus shear and compression plus shear; stress relaxation equation is derived using curve-fitting technique and stress relaxation relationship is verified by standard laboratory methods and by method of photoelasticity.

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Title:

Study of polysulfide sealants for joints in bridges

Additional title:

Nat Research Council -- Highway Research Board -- Research Rec

Contributors:

Cook, J.P. (author)

Published in:

National Research Council -- Highway Research Board -- Research Record

Publication date:

1965

Size:

25 pages

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

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

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