Abstract: application/pdf ; An easy service life design method for frost deterioration of reinforced buildings is proposed. The design method consists of the geografic division and the countermeasure which is determined in parallel with the geografic division. The countermeasure has three levels, that is "a. none", "b. restriction of material and mix proportion + reservation of air content" and "c. b + ingenuity of detail design". The geografic division is determined considering about severe part of buildings using the concept of equivalent cycles to ASTM freezing and thawing test. At the last analysis, the geografic division has three zones, that is "A. not lower than -2℃", "B. not lower than -5℃ and lower than -2℃" and "C. lower than -5℃". ; journal article
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