STUDY TO EXPAND THE APPLIABLE RANGE OF ON-SITE REFORMING METHOD IMPROVNG DREDGED SOIL BY STEELMAKING SLAG
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- TANIMOTO Naoki
- 日本海工(株) 技術部
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- AWAZU Shingo
- JFEスチール(株) スチール研究所 インフラ建材研究部
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- YAMAMOTO Yoshitomo
- 日本海工(株) 海環境事業推進部
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- NONAKA Soichiro
- 五洋建設(株) 環境事業部
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- AKASHI Yuzo
- 日本製鉄(株) スラグ事業・資源化推進部
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- ASADA Hideyuki
- 東亜建設工業(株) 技術研究開発センター
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- CHIKAMOTO Masahiko
- 日本海工(株) 海環境事業推進部
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- KITAKADO Yukinobu
- 日本海工(株) 海環境事業推進部
Bibliographic Information
- Other Title
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- カルシア改質土の原位置混合工法の適用範囲拡大に関する検討
Abstract
<p> We have devised the on-site reforming method to improve a seabed clay ground by mixing with a steelmaking slag at the original position. In the research, we have considered to apply the method to plastic state clay ground. A series of 1/5 scale model experiments was carried out to verify the effectiveness of the improved mixing machine and the method of adding water to clay before supplying the slag. As the result, plastic state clay was found to be mixed with the slag more homogeneously in the machine. It was also found the mixability of the improved soil was enhanced by pouring water simultaneously with the fine granulation process of clay. While it should be noted that the lack of mixing time of clay and water increases the variation in the strength of the modified soil, the on-site reforming method could be applied sufficiently to improve a seabed clay ground in a plastic state.</p>
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 77 (2), I_445-I_450, 2021
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390571028377864320
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- NII Article ID
- 130008094216
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- ISSN
- 21854688
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed