Concrete Research and Technology
Online ISSN : 2186-2745
Print ISSN : 1340-4733
ISSN-L : 1340-4733
Resistance to Freezing and Thawing of Hybrid Structure Composed of Steel and High-Strength Light-Weight Concrete
Kazumi TamuraHisao TeramotoKozo TagayaHideya Kohata
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1991 Volume 2 Issue 2 Pages 49-58

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Abstract

This paper describes the resistance to freezing and thawing of a hybrid structure of high-strength light-weight concrete covered by steel plates for use in cold areas and arctic regions. Following tests were performed : A freezing and thawing resistance test of high-strength light-weight concrete in the atmosphere by changing the water content of light-weight coarse aggregate, the mixing proportion of silica fume, the mixing method : compression test of the high-strength light-weight concrete that has been exposed to freezing and thawing in the atmosphere by changing the water content of light-weight coarse aggregate, and punching shear test to investigate the bond between steel and high-strength light-weight concrete by using stud bolts : and loading test of a hybrid beam, which has been exposed to freezing and thawing in the atmosphere, of the high-strength light-weight concrete of 1000 mm in length, 180 mm in width, and 310 mm in height with its 2 sides covered by steel plates (4.5 mm in thickness). In all above tests, the freezing-thawing temperature cycles as determined by the ASTM C666 A procedure were applied.

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