Expansion-Contraction Joint Locations in a Concrete Structure


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Title: Expansion-Contraction Joint Locations in a Concrete Structure

Author(s): O. Clarke Mann

Publication: Special Publication

Volume: 27


Appears on pages(s): 301-322

Keywords: cold weather construction; concrete slabs; concretes; control joints; deformation; drrying shrinkage; enviroments; hot weather construction; reinforced concrete; restraints; structural design; temperature; thermal expansion; thermal properties; time

Date: 1/1/1971

Discusses the location of expansion joints in concrete buildings. The writer undertook a research program in 1958 that employed laboratory, field and mathematical investigations. These research efforts lead the writer to conclude that expansion-contraction joint spacings should be determined more rationally and should reflect the type of materials and construction methods used, and the degree of serivce exposure to be expected.