石炭灰を原料とする路盤材の量産・品質管理技術に関する研究

書誌事項

タイトル別名
  • Studies on Technology of Mass Production and Quality Control in Road Base Material Using Coal Ash.
  • セキタンバイ オ ゲンリョウ ト スル ロバンザイ ノ リョウサン ヒンシツ

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説明

Use of granular solidified coal ash as a road base material has been studied to facilitate the large scale utilization of powdered material. The proposed technology of producing granular solidified coal ash includes steam curing combined with different unit operations. Investigations on the technological and quality control aspects make clear the followings : <BR>(1) A proper technology for large scale processing may consists of the following steps : kneading of coal ash with water around its plastic limit, low pressure molding, steam curing and crushing.<BR>(2) A road base material of good quality can be produced in large qualities from coal ash of fixed CaO content and unburnt carbon content. Further processing includes mixing with the amount of water based on the size and the time change degree of the consuming power in kneader, kneading and molding. The temperature of the kneading water should be adjusted to the ambient conditions.

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