Shrinkage and Creep Characteristics of Latex-Modified Concrete


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Title: Shrinkage and Creep Characteristics of Latex-Modified Concrete

Author(s): Alfred G. Bishara, James D. Rose, and Mahmoud A. Reda Youssef

Publication: Journal Proceedings

Volume: 75

Issue: 5

Appears on pages(s): 204-208

Keywords: admixtures: air-entrained concrete; bridge decks; concretes: creep properties; creep tests; deformation; latex (plastic) ; mortars (material) ; polymer concrete: resurfacing;shrinkage; strains; stresses; styrene butadiene resins.

Date: 5/1/1978

An experimental investigation was conducted to study creep and shrinkage characteristics of latex-modified mortar (LMM) and concrete (LMC) used for bridge deck overlays. The test program included eight prisms of latex-modified mortar and eleven prisms of latex-modified concrete prepared to be tested for almost 8 months. Empirical equations for predicting shrinkage strains of LMM and LMC show that shrinkage of LMM is almost double that of LMC and air-entrained normal weight concrete (AEC). Empirical equations developed for predicting creep of LMM give values of the same order of magnitude as those of AEC.