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Affiliation |
Faculty of Urban Innovation, Division of Urban Innovation |
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Job Title |
Professor |
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Research Fields, Keywords |
交通地盤工学, 地盤改良, 地盤環境, 地盤防災, 土質試験 |
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Mail Address |
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Related SDGs |
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HAYANO Kimitoshi
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ORCID
The Best Research Achievement in Research Career 【 display / non-display 】
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【Published Thesis】 Fundamental study on the acceleration of the neutralization of alkaline construction sludge using a CO2 incubator 2020.08
【Published Thesis】 Integrated risk of rail buckling in ballasted tracks at transition zones and its countermeasures 2019.04
【Published Thesis】 PS灰系改良土の強度特性に及ぼす養生効果とその要因に関する基礎的検討 2018
The Best Research Achievement in the last 5 years 【 display / non-display 】
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【Published Thesis】 Effects of stabilizers on CO2 fixation capacity in neutralization of alkali construction sludge(SOILS AND FOUNDATIONS) 2023.10
【Published Thesis】 Investigation of premature failure mechanism in pavement overlay of national highway of Bangladesh 2022.02
【Published Thesis】 A new approach for evaluating lateral resistance of railway ballast associated with extended sleeper spacing 2021.12
【Published Thesis】 Evaluation of CO2 captured in alkaline construction sludge associated with pH neutralization 2021.12
【Published Thesis】 Fundamental study on the acceleration of the neutralization of alkaline construction sludge using a CO2 incubator 2020.08
Education 【 display / non-display 】
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-1997
The University of Tokyo Department of Civil Engineering Doctor Course Unfinished Course
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-1996
The University of Tokyo Department of Civil Engineering Master Course Completed
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-1994
The University of Tokyo Department of Civil Engineering Graduated
Degree 【 display / non-display 】
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Doctor of Engineering - The University of Tokyo
Campus Career 【 display / non-display 】
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2014.4
Duty Yokohama National UniversityFaculty of Urban Innovation Division of Urban Innovation Professor
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2011.4-2014.3
Duty Yokohama National UniversityFaculty of Urban Innovation Division of Urban Innovation Associate Professor
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2007.4-2011.3
Duty Yokohama National UniversityFaculty of Engineering Associate Professor
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2023.4
Concurrently Yokohama National UniversityInstitute for Multidisciplinary Sciences Professor
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2017.4
Concurrently Yokohama National UniversityCollege of Urban Sciences Department of Civil Engineering Professor
External Career 【 display / non-display 】
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2011.10-2012.3
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2009.10-2010.3
Tokyo Metropolitan University Visiting Lecturer
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2005.4-2007.3
Independent Administrative Institution, Port and Airport Research Institute. Airport Research Center Project Researcher
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2003.4-2007.3
Geotechnical and Engineering Division, Independent Administrative Institution, Port and Airport Research Institute. Senior Researcher
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2001.4-2003.3
Soil Stabilization Division, Geotechnical and Engineering Division, Independent Administrative Institution, Port and Airport Research Institute.
Academic Society Affiliations 【 display / non-display 】
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2020
廃棄物資源循環学会
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2012
地すべり学会
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1997
国際地盤工学会(ISSMGE)
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1996
Japan Society of Engineering Geology
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1993
Japan Society of Civil Engineers
Research Areas 【 display / non-display 】
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Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Geotechnical engineering
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Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Disaster prevention engineering
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Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Civil engineering material, execution and construction management
Research Career 【 display / non-display 】
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交通地盤構造物の健全度診断・耐震性能評価
Cooperative Research
Project Year：
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地盤改良技術の開発
Cooperative Research
Project Year：
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発展途上国の土構造物マネジメント
The Other Research Programs
Project Year：
Books 【 display / non-display 】
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地盤工学におけるリスク共生（藤野陽三・曽我健一共編）
藤野 陽三, 曽我 健一 (編集) （ Role： Contributor , 交通地盤工学におけるリスク低減）
鹿島出版会 （ ISBN:4306024792 ）
Total pages：240 Responsible for pages：51-66 Language：Japanese Book type：Scholarly book
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図説 わかる土質力学
菊本統，西村聡，早野公敏（ Role： Joint author）
学芸出版社 （ ISBN:4761532211 ）
Total pages：208 Language：Japanese Book type：Textbook, survey, introduction
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Geotechnical Pavement Research in Japan Ⅱ - Final report
（ Role： Contributor）
The Japanese Geotechnical Society
Language：English Book type：Report
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地盤材料試験の方法と解説
地盤工学会 (著) 分担執筆（ Role： Joint author）
（社）地盤工学会 （ ISBN:9784886440839 ）
Language：Japanese Book type：Scholarly book
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セメント改良土の物性と試験方法に関する研究委員会報告書
分担執筆（ Role： Joint author）
（社）地盤工学会
Language：Japanese Book type：Scholarly book
Thesis for a degree 【 display / non-display 】
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堆積軟岩の破壊前変形特性
早野公敏
東京大学博士論文 2001.3
No Setting Single Work
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三軸試験による堆積軟岩の変形特性
早野公敏
東京大学修士論文 1996.3
No Setting Single Work
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砂質土の液状化後の圧縮特性
早野公敏
東京大学卒業論文 1994.3
No Setting Single Work
Papers 【 display / non-display 】
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Consolidation characteristics of compacted clayey soils treated with various biomass ashes
Jamil, MA; Hayano, K; Mochizuki, Y; Li, C
RESULTS IN ENGINEERING 24 2024.12
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
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Insights into potential of banana leaf powder as a mud soil stabilizer
Jarjusey Amulie, Hayano Kimitoshi, Kassa Alula Araya, Raihan Shovon, Mochizuki Yoshitoshi
Results in Engineering 24 2024.12
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier B.V. Joint Work
This study proposes a novel method for managing surplus soil in urban construction projects by investigating the use of banana leaf powder (BLP) as an eco-friendly and efficient mud-soil stabilizer. This study is pioneering in its focus on the use of an agricultural waste product, BLP, as an alternative to conventional methods that frequently rely on cement or lime, which pose environmental concerns owing to their high alkalinity and carbon emissions. BLP, derived from dried and pulverized banana leaves, traditionally used in various industries, was evaluated for its suitability as a stabilizer against orange peel biopolymer (OBP) and fly ash (FA). The findings of this study are groundbreaking. BLP's water absorption capacity, Wab, although lower than that of OBP, was significantly higher than that of FA, demonstrating its potential as a mud soil stabilizer. BLP increased the compaction and strength of the treated clay, whereas OBP made it more challenging to compact the clay owing to gelatinization. The ease of compaction with BLP is attributed to the absorption of free water into the pores of the particles. These results suggest that differences in the stabilizer's water absorption mechanism affect the effectiveness of the post-treatment compaction process on the treated soil. An analysis of the impact of water absorption capacity on the cone index, qc, revealed a material-independent relationship between the parameter β (=Wab × A, where A denotes stabilizer addition content) and qc for BLP and FA. This is because, in contrast to OBP, BLP and FA did not gelatinize the free water that was not absorbed by the stabilizer and remained in the same form within the treated clay. This indicates that understanding the water absorption capacity and mechanism of organic- or inorganic-based stabilizers is important for predicting the strength of treated soil. The same relationship between β and qc holds true for the hybrid-treated clay using both BLP and FA, with β considered to be the sum of β for both BLP and FA. Furthermore, this study innovatively addresses the concern of BLP decay in treated soil by creating a hybrid stabilizer with FA and conducting experiments to accelerate BLP decay using fungal mycelia. These experiments revealed that the hybrid-treated clay exhibited a more gradual decrease in carbon content and stabilized pH levels, implying that FA could inhibit decay by fungal mycelia, improving the BLP-treated soil's long-term durability. These findings suggest that agricultural wastes with high organic content can be effectively used for soil stabilization and ground improvement in civil engineering construction and maintenance projects by combining inorganic materials and taking advantage of their properties, such as high water absorbency. This can address the issues (such as high alkalinity and high carbon dioxide emissions) associated with cement- and lime-based stabilizers, which were previously widely used.
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Insights into potential of banana leaf powder as a mud soil stabilizer
Jarjusey, A; Hayano, K; Kassa, AA; Raihan, S; Mochizuki, Y
RESULTS IN ENGINEERING 24 2024.12
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
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Withanage, KR; Hayano, K; Kang, X; Yamauchi, H
CASE STUDIES IN CONSTRUCTION MATERIALS 21 2024.12
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
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Mon, SM; Sakaguchi, A; Hayano, K; Yamauchi, H
ACTA GEOTECHNICA 2024.10
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
Review Papers 【 display / non-display 】
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交通地盤工学に関する基礎講座 第７章 鉄道軌道の設計施工・維持管理
桃谷尚嗣, 中村貴久, 川崎祐征, 早野公敏, 岡安崇史, 石川達也
地盤工学会誌 69 ( 3 ) 54 - 62 2021.3 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Joint Work
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交通地盤工学に関する基礎講座 第６章 空港舗装の設計施工・維持管理
坪川将丈, 河村直哉, 早野公敏
地盤工学会誌 69 ( 2 ) 40 - 47 2021.2 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Joint Work
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吸水性材の改良原理と PS 灰系改質材を添加した改良土の特性
片桐雅明, 早野公敏
地盤工学会誌 68 ( 8 ) 17 - 20 2020.8 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Single Work
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第5回日中地盤工学シンポジウム セッション報告2
Hossain Md. Shahin, 早野公敏
地盤工学会誌 61 ( 10 ) 33 2013
Language：Japanese Publishing type：Meeting report Joint Work
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地盤工学会技術開発賞を受賞して
水上純一，前川亮太，坪川将丈，早野公敏
地盤工学会誌 60 ( 8 ) 33 2012
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Joint Work
Industrial Property Rights 【 display / non-display 】
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粘性土の改質処理方法および造粒固化方法
和栗成樹, 富吉俊介, 山内裕元, 早野公敏, 西茜
Applicant：国立大学法人横浜国立大学, ｄｏｍｉ環境株式会社
Application no：特願2015-133046 Date applied：2015.7.1
Patent/Registration no：特許第6414518号 Date issued：2018.10.12
Country of applicant：Domestic
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液状泥土の造粒固化方法
佐々木孝太, 和栗成樹, 山内裕元, 早野公敏
Applicant：ジャイワット株式会社, 国立大学法人横浜国立大学, ｄｏｍｉ環境株式会社
Application no：特願2014-239213 Date applied：2014.11.26
Patent/Registration no：特許第6260038号 Date issued：2017.12.22
Country of applicant：Domestic
Awards 【 display / non-display 】
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土木学会第19回舗装工学講演会奨励賞（共同）
2014.12 （公社）土木学会舗装工学委員会
Individual or group name of awards：中村貴久，桃谷尚嗣，早野公敏，小川隆太
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土木学会第42回岩盤力学に関するシンポジウム優秀講演論文賞（共同）
2014.1 （公社）土木学会岩盤力学委員会
Individual or group name of awards：佐藤弥那子，田井絵理子，早野公敏，谷和夫
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平成23年度地盤工学会技術開発賞（共同）
2012.6 （公社）地盤工学会
Individual or group name of awards：水上純一，前川亮太，坪川将丈，早野公敏
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平成16年度地盤工学会研究奨励賞
2005.5 （社）地盤工学会
Individual or group name of awards：早野公敏
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第53回土木学会年次学術講演会優秀講演者表彰
1998.12 （社）土木学会
Individual or group name of awards：早野公敏
Grant-in-Aid for Scientific Research 【 display / non-display 】
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粗粒材の長期劣化を考慮した新たな交通施設の維持管理方法：経験知から科学知の保守へ
2019.4 - 2023.3
科学研究費補助金 Grant-in-Aid for Scientific Research(B)
Investigator(s)：早野 公敏
Grant type：Competitive
Preferred joint research theme 【 display / non-display 】
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土質物性の調査・評価に関するテーマ
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地盤改良技術の開発に関するテーマ
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地盤構造物の維持管理に関するテーマ
Past of Collaboration and Commissioned Research 【 display / non-display 】
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地震時における道床横抵抗力向上のための対策工に関する研究
Offer organization: 公益財団法人 鉄道総合技術研究所 Cooperative Research within Japan
Project Year： 2014.12 - 2015.3
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液状泥土のほぐし造粒固化の手法に関する研究
Offer organization: ジャイワット株式会社 Cooperative Research within Japan
Project Year： 2014.6 - 2016.3
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舗装切断水の再利用法に関する研究
Offer organization: 東信工業株式会社 Cooperative Research within Japan
Project Year： 2014.4 - 2016.3
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加振時におけるバラスト軌道の道床横抵抗力に関する研究
Offer organization: 公益財団法人 鉄道総合技術研究所 Cooperative Research within Japan
Project Year： 2013.9 - 2014.3
Charge of on-campus class subject 【 display / non-display 】
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2024 Soil Mechanics 4
College of Urban Sciences
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2024 Soil Mechanics 3
College of Urban Sciences
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2024 Material Cycles and Waste Management 2
College of Urban Sciences
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2024 Material Cycles and Waste Management 1
College of Urban Sciences
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2024 Experiment in Civil Engineering A
College of Urban Sciences
Committee Memberships 【 display / non-display 】
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横浜市水道局技術監理課総合評価委員会
2015.4 委員
Committee type：Municipal
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（公社）地盤工学会関東支部神奈川県グループ
2015.4 幹事
Committee type：Academic society
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Transportation Geotechnics 国内委員会
2014.12 委員
Committee type：Academic society
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横須賀地区等トンネル検討委員会
2014.7 委員
Committee type：Government
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（公社）地盤工学会関東支部評議員
2014.4
Committee type：Academic society
Social Contribution(Extension lecture) 【 display / non-display 】
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フジテレビ スーパーニュース 取材協力（コメント）
2014.11
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地盤セミナー
（株）五洋建設技術研究所 那須 2014.11
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バングラデッシュ舗装セミナー
バングラデッシュ運輸省道路局道路・国道部（RHD） バングラデッシュ・ダッカ 2014.9
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上海交通大学SSSVセミナー
横浜国立大学海洋空間のシステムデザイン教室 横浜 2014.2
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対話 都市イノベーションを廻る思考
横浜国立大学都市イノベーション学府 横浜 2013.12