Enviroment Effect on Thermal Variations and Shrinkage of Lightweight Concrete Structures

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Title: Enviroment Effect on Thermal Variations and Shrinkage of Lightweight Concrete Structures

Author(s): Ignacio Martin

Publication: Journal Proceedings

Volume: 69

Issue: 3

Appears on pages(s): 179-184

Keywords: compressive strength;eviroments;humidity;lightweight aggregate concretes; reinforced concrete;shrinkage;structural design;temperature;thermal expansion; thermal properties.

Date: 3/1/1972

Abstract:
Th effect of enviromental conditions on the design for temperature and shrinkage stresses of reinforced lightweight concrete structures in the United States is presented. The range of temperature variation, relative humidity, dimensions and shape of members, precentage of longitudinal steel, concrete mix, coefficant of thermal expansion, and shrinkage coefficant of lightweight concrete have been studied. Design conditions for thermal variation and shrinkage in 135 localities throughout the United States are given in the form of a table. A deisgn example is included to illustrate the use of the table.