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粉化転炉スラグ-高炉水砕スラグ混合物の強度発現性と反応生成物の特徴(<小特集>土質安定材料小特集)

フォーマット:
論文
責任表示:
鳥居, 和之 ; 川村, 満紀
言語:
日本語
出版情報:
日本材料学会, 1991-12-15
著者名:
掲載情報:
材料=Journal of the Society of Materials Science, Japan
ISSN:
0514-5163  CiNii Research  Webcat Plus  JAIRO
巻:
40
通号:
459
開始ページ:
1518
終了ページ:
1524
バージョン:
publisher
概要:
金沢大学理工研究域環境デザイン学系<br />Recently, basic oxygen furnace slag produced by a new steel-making process is supplied as powdered particles containing a high content of free lime. When this slag is used as a material for the base course of ro ad, its unfavorable self-deterious property may become an important problem. It is considered that the addition of granulated blastfurnace slag, which is a porous and stable material, to the powdered basic oxygen furnace slag can improve both the strength and durability of compacted mixtures. This paper deals with the effective utilization of powdered basic oxygen furnace slag and granulated blastfurnace slag in road construction. The suitability of compacted mixtures of two slags was investigated utilizing such characteristics as resistance to immersion in water, compressive strength and CBR value. Reaction products and microstructural features of the compacted slag mixtures were also elucidated by DSC-TG analysis, X-ray diffraction analysis and SEM observations. From the results, it was made clear that the addition of granulated blastfurnace slag increased the strength and reduced the expansion in immersion in water, and that the compacted slag mixtures fully satisfied the requirements of strength and durability for the base course of road. 続きを見る
URL:
http://hdl.handle.net/2297/12307
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