Reclamation of the Artificial Ground Made of Dredged Soil and Converter Slag by Using Pipe Mixing Method

Yamagoshi, Yosuke; Akashi, Yuzo; Nakagawa, Masao; Kanno, Hiroki; Tanaka, Yuichi; Tsuji, Takumi; Imamura, Tadashi; Shibuya, Takashi

doi:10.2208/jscejoe.69.i_952

Cited by 2 publications

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“…The calcia material can achieve a strength gain to about 200 kN/m 2 through the dewatering effect and the calcium hydration effect. It has been applied to stabilize dredged soft soil for backfilling, shallow stabilization and land reclamation [14,15].…”

Section: Soil Admixture Stabilization Techniquesmentioning

confidence: 99%

Recent Case Histories of Carbon-Neutral Activity Using Ground Improvement Technology in Japan

Kitazume

2023

Applied Sciences

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Global warming due to greenhouse gas emissions has led to record-breaking heat waves, torrential rains and droughts on a global scale in recent years. For this reason, people around the world are more keenly aware of the need to reduce greenhouse gas emissions. The construction industry is one of these sources of greenhouse gas emissions. A lot of ground improvement techniques have been developed and applied to improve the physical and mechanical properties of soil in order to achieve stability improvement, ground settlement control, reinforcement, liquefaction prevention, etc. These techniques use a lot of natural materials such as sand and crushed stone and industrial products such as cement. In order to reduce their environmental impact and to economize these techniques, many kinds of industrial waste and by-products have been beneficially used in many types of ground improvement techniques. In response to the growing awareness of carbon neutrality in recent years, it is necessary to further promote initiatives such as the beneficial use of the industrial materials that have been used so far and the development of new materials and construction methods to reduce carbon dioxide emissions. It is expected that various biomass materials will be applied in ground improvement techniques to enhance “negative emission technology.” In this paper, recent developments and applications of certain sorts of environmentally friendly ground improvement techniques, soil densification techniques and soil stabilization techniques are briefly introduced. It is to be expected that these will be further developed and applied to contribute to the reduction in carbon dioxide emissions.

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Section: Soil Admixture Stabilization Techniquesmentioning

confidence: 99%

Recent Case Histories of Carbon-Neutral Activity Using Ground Improvement Technology in Japan

Kitazume

2023

Applied Sciences

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Field Experiment on Dredged Soil Improved With Converter Slag in Constructing Breakwater

Hayashi¹,

Mizuguchi²,

Sasaki³

et al. 2020

J. JSCE Ser. B3

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2 国土交通省北海道開発局港湾空港部港湾建設課(〒060-8511 札幌市北区北 8 条西 2 丁目) 3 正会員国土交通省北海道開発局港湾空港部港湾建設課(〒060-8511 札幌市北区北 8 条西 2 丁目) 4 正会員 (株)クマシロシステム設計(〒060-0061 札幌市中央区南 1 条西 18 丁目 1-9) 5 (株)クマシロシステム設計(〒060-0061 札幌市中央区南 1 条西 18 丁目 1-9) 6 東洋建設株式会社北海道支店(〒060-0005 札幌市中央区北五条西 6 丁目 1 番地 23) 7 正会員日本製鉄(株)スラグ事業・資源化事業推進部(〒100-8071 東京都千代田区丸の内 2-6-1) 浚渫土砂の有効利用技術であるカルシア改質土を，港湾の防波堤背後の盛土材として活用するための技術的課題を検討した．濁り抑制効果について，カルシア改質土の水中投入試験から濁り抑制に必要なカルシア改質材混合率を明らかとした．また，これまで知見のない 5 ℃～20 ℃養生条件下での強度発現特性を明らかとし，積算温度での強度予測の可能性を示した．さらに，波浪等で防波堤背面盛土に作用する流速に対するカルシア改質土の巻き上がり抵抗性を明らかとした．

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Reclamation of the Artificial Ground Made of Dredged Soil and Converter Slag by Using Pipe Mixing Method

Cited by 2 publications

References 0 publications

Recent Case Histories of Carbon-Neutral Activity Using Ground Improvement Technology in Japan

Recent Case Histories of Carbon-Neutral Activity Using Ground Improvement Technology in Japan

Field Experiment on Dredged Soil Improved With Converter Slag in Constructing Breakwater

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