Investigation and Consideration of Temperature of Concrete at Unloading during Hot Weather for Architectural Work in the Kinki Area

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  • 近畿地区における建築工事の暑中期に施工されるコンクリートの荷卸し時の温度に関する調査・検討
  • キンキ チク ニ オケル ケンチク コウジ ノ ショチュウキ ニ セコウ サレル コンクリート ノ ニオロシ ジ ノ オンド ニ カンスル チョウサ ・ ケントウ

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Abstract

<p>This paper reports experimental data on concrete temperature and quality at unloading presented in the “2018 Manual for Application in Hot Weather Concreting” revised and published by the Kinki Branch of the Architectural Institute of Japan. In recent years, with the rise of outdoor air temperatures, the temperature of concrete at the time of acceptance tends to be higher, and the possibility of said concrete temperature exceeding 35℃, which is specified in JASS 5 and other standards as the highest allowable temperature, is increasing. Based on experimental data, this paper examines whether the quality of concrete is adversely affected when the temperature of the concrete at acceptance exceeds 35℃, and finds that no major problems arise as long as the temperature of concrete at acceptance does not exceed approximately 38℃.</p>

Journal

  • Concrete Journal

    Concrete Journal 57 (7), 489-497, 2019

    Japan Concrete Institute

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