PHYSICAL PROPERTIES OF HARDENED BLAST FURNACE SLAG CEMENT COATED WITH ORGANIC - INORGANIC COMPOUND TYPE CURING AGENT

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  • KUSHIHASHI Takumi
    DENKI KAGAKU KOGYO Co. Ltd., Omi Plant, Cement and Special Additive Laboratory
  • MORIOKA Minoru
    DENKI KAGAKU KOGYO Co. Ltd., Omi Plant, Cement and Special Additive Laboratory
  • IYODA Takeshi
    SHIBAURA INSTITUTE OF TECHNOLOGY, Dept. of Civil Engineering
  • DAN Yasuhiro
    NIPPON STEEL BLAST-FURNACE SLAG CEMENT Co., Ltd., Technology and Development Laboratories

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Other Title
  • 有機－無機複合型塗膜剤を塗布した高炉セメント硬化体の基礎物性

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Description

Organic-inorganic compound type curing agent（CP）was spread on the hardened blast furnace slag cement that was demold at the age of 1day, and basic physical properties were examined. As a result, the following experimental results were obtained. ① The mass change was equal to the one that sealed curing was done until the age of 7days. ② compressive strength was equal to the one that sealed curing was done until the age of 7days. ③ The neutralization resistance was more excellent than the one that sealed curing was done until the age of 14days. ④ Ignition loss and the amount of calcium hydroxide were more than the one that sealed curing was done until the age of 7days or 14days. It was confirmed that the hydration of the blast furnace slag cement was appropriately progressed. ⑤ Pore size distribution was equal to the one that sealed curing was done until the age of 7days.

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