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In recent years, there are environmental changes such as an increase in high-strength concrete and progress of curing materials in cold weather concreting. Therefore, a questionnaire survey was conducted to elucidate the actual condition of cold weather concreting for ready mixed concrete suppliers and constructors. Based on 458 responses, this paper showed the implementation situation by region on cold weather concreting, and subjects of this.

QUESTIONNAIRE SURVEY ON COLD WEATHER CONCRETING TO READY MIXED CONCRETE SUPPLIERS AND CONSTRUCTORS