Achievements

List of Research Acievement

Awards

    International Journal

    2024

    • Rei Yoshihara, Kota Nakase, Katsufumi Hashimoto, Takafumi Sugiyama, Yoshiki Honda: Evaluation of Aggregate Distribution Heterogeneity in 3D Printed Concrete by Means of X-ray CT, Buildings, 14(4), 1132, 2024. https://doi.org/10.3390/buildings14041132
      • Katsufumi Hashimoto, Nao Takahashi, Shunsuke Kumagai: Damage and Defect Identification in Cementitious Materials with Heat Generation by Applying Sonic-IR Method, Sensors and Materials, SS-4720, 2024.

    2023

    • Katsufumi Hashimoto and Tomoki Shiotani: Sonic-IR imaging technique for detection of crack interfaces in cementitious materials, Construction and Building Materials, Vol.386, 131549, 2023. https://doi.org/10.1016/j.conbuildmat.2023.131549
      • Yingyao Tan, Takafumi Sugiyama and Katsufumi Hashimoto: Evaluation of transport properties of deteriorated concrete due to calcium leaching with coupled CT image analysis and random walk simulation, Construction and Building Materials, Vol.369, 130526, 2023.
      • Wang, N. and Sugiyama, T.: Corrosion evaluation of steel bars in steam-cured concrete under chloride attack and alkali-silica reaction, Magazine of Concrete Research, 75(9), pp. 433-446, 2023.
      • Orozco, C., Tangtermsirikul, S., Sugiyama, T., Babel, S.: Examining the endpoint impacts, challenges, and opportunities of fly ash utilization for sustainable concrete construction, Scientific Reports, 13, 18254, 2023. 
      • Orozco, C.R., Tangtermsirikul, S., Sugiyama, T., Babel, S.: Comparative environmental assessment of low and high CaO fly ash in mass concrete mixtures for enhanced sustainability: Impact of fly ash type and transportation, Environmental Research, 234, 116579, 2023. https://doi.org/10.1016/j.envres.2023.116579

    2022

      • Katsufumi Hashimoto and Tomoki Shiotani: Induction and Amplification of Elastic Wave into Cementitious Material by Applied Laser Ablation System

      Developments in the Built Environment, Vol.12, 100099, 2022.

      • Kai-Chun Chang, Katsufumi Hashimoto, Hiroyuki Mitsuya, Tomoki Shiotani: Electrostatic micro-electro-mechanical system vibrational energy harvesters for bridge damage detection, The Rise of Smart Cities, Elsevier Book Chapter, Elsevier, pp.319-342, 2022.

    2021

    • Yitao Yang, Hisafumi Asaue, Tomoki Shiotani, Katsufumi Hashimoto: Damage Evaluation Inside the Concrete Dam by Tomography and AE Analysis, Springer Proceedings in Physics, Advances in Acoustic Emission Technology, pp.313－324, 2021.
    • Tomoki Shiotani, Hisafumi Asaue, Katsufumi Hashimoto, Kazuo Watabe: Assessment of RC Bridge Decks with Active/Passive NDT, Lecture Notes in Mechanical Engineering, pp.451-459, 2021.

    2020

    • Katsufumi Hashimoto, Tomoki Shiotani, Hiroyuki Mitsuya, Kai Chun Chang: MEMS Vibrational Power Generator for Bridge Slab and Pier Health Monitoring, Applied Sciences, 10 (22) 8198, 2020.
    • Katsufumi Hashimoto, Tomoki Shiotani, Masayasu Ohtsu: Application of Impact-Echo Method to 3D SIBIE Procedure for Damage Detection in Concrete, Applied Sciences, 10 (8) 2729, 2020.

    2019 and older

    Japansese Journal

    2024

    2023

    2022

      • 三屋裕幸、橋本勝文、張凱淳、芦澤久幸、下村典子、門間達希、本間浩章、橋口原、年吉洋、塩谷智基：MEMS振動発電型イベントドリブンセンサを用いた橋梁の低消費電力異常周波数監視システム

      電気学会論文誌E、Vol.142、No.7、pp.139－146、2022．

    2021

    2020

    • 橋本勝文、塩谷智基、宮川豊章、道路インフラを中心とした革新的な点検・診断方法、プレストレストコンクリ－ト、Vol.62、No.6、pp.84-89、2020．
    • 橋本勝文、塩谷智基、AEセンサを用いたレ－ザ－励起弾性波のコンクリ－ト中の伝搬評価、超音波テクノ、Vol.32、No.3、pp.29-32、2020．

    2019 and older

    • 塩谷智基、橋本勝文、AIを搭載したハイブリッドインテリジェント打音診断システム、検査技術、pp.1-6、2019．
    • T. Sugiyama and J.C. Kuri: Investigation on Alteration of Hardened Cement Material due to Elevated Temperature by Non-Destructive Integrated CT-XRD Method, SPring-8/SACLA Research Report, Vol.5, No.1, pp.100-104, 2017.

    Proceedings of International Conference (peer-reviewed)

    2024

    2023

      • Tan, T. Sugiyama, K. Hashimoto: Evaluation of Transport Properties in ITZ with Coupled CT Image Analysis and Simulation、Proceedings of the 16th International Congress on the Chemistry of Cement 2023 (ICCC2023), pp.229-232, 2023.
        • Nakase, K. Hashimoto, T. Sugiyama, K. Kono: Evaluation of Internal Cracks and Three-Dimensional Deformation due to Different Nozzle Paths in a Material Extrusion 3D Printer, Proceedings of the 16th International Congress on the Chemistry of Cement 2023 (ICCC2023), pp.13-17, 2023.
        • K.Hashimoto, N.Takahashi and S.Kumagai: Damage and Defect Identification in Cementitious Materials with Heat Generation by applying Thermo-Sonic Method, Proceedings of International Conference on Unmanned System Applications- Geoinformatics, Agriculture, Manufacturing & Environment, UA23000, 2023.
        • Yingyao Tan, Takafumi Sugiyama and Katsufumi Hashimoto: Evaluation of alteration in cement paste due to calcium leaching with integrated CT-XRD method and its effect on ionic diffusions, XVI International Conference on Durability of Building Materials and Components (DBMC), 2023.

    2022

      • Yingyao Tan, Anna Tomo, Takafumi Sugiyama and Katsufumi Hashimoto: Characterizing porosity and component change of hardened cement paste deteriorated by leaching with nondestructive integrated CT-XRD method, 76th RILEM Annual Week, Proceedings of International Conference on Regeneration and. Conservation of Structures, NDT_22, 2022.
        • Katsufumi Hashimoto, Tomoki Shiotani, Hisafumi Asaue and Shinichi Miyazato: AE analysis on bonding behavior of pre-stressed CFRTP reinforcing bar and concrete interface, 76th RILEM Annual Week, Proceedings of International Conference on Regeneration and Conservation of Structures, NDT_24, 2022.

    2021

      • Katsufumi Hashimoto, Tomoki Shiotani, Masayasu Ohtsu: Improved SIBIE Procedure with Multi Sensor Array for 3D Visualization of Damage in RC Slab, Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations, Proceedings of 10th International Conference on Bridge Maintenance, Safety and Management (IABMAS2020), 2021.

    2020

    • Hiroaki Hasebe, Akio Chimoto and Takafumi Sugiyama: Evaluation of Interfacial Transition Zone in Concrete by Synchrotron Radiation Microtomography, Proceedings of the 6th International Conference on Construction Materials (ConMat’20), pp.755-765, sept. 2020.
    • Noboru YUASA, Yukio HAMA, Tomoyuki KOYAMA, Hidehiko OGATA, Takafumi SUGIYAMA, Yoshitomo YAMADA, Hitoshi HAMASAKI, Akira NONAKA: Technical Committee on Concrete Deterioration in Natural Environments、Proceedings of the 6th International Conference on Construction Materials (ConMat’20), pp. 127-144, sept. 2020.
    • Makoto HISADA, Yoshiaki SATO, Takafumi SUGIYAMA, Hiroyuki NITTA, Shuichi ISOGAMI, Takayuki SATO, Makoto HIGAKI, Hidenobu TOKUSHIGE, Shigeyuki DATE, Goro SAKAI, Yuki SAKOI: Outline of the Development and Application of Carbon Free Fly Ash (CfFA)、Proceedings of the 6th International Conference on Construction Materials (ConMat’20), pp. 1954-1961, sept. 2020.
      • Katsufumi Hashimoto, Tomoki Shiotani: Elastic Wave Propagation in Concrete with Simulated Crack Induced by Starch-Type Polysaccharide, Proceedings of fib symposium, Concrete Structure for Relient Society, pp.2079-2084, 2020.
        • Katsufumi Hashimoto, Tomoki Shiotani, Masayasu Ohtsu: Fundamental Study on Non-Contact Elastic Wave Detection System for Damage Inspection in Concrete
      • 6th International Conference on Construction Materials, 2020.

      2019 and older

          • Hisafumi Asaue, Tomoki Shiotani, Katsufumi Hashimoto, Yitao Yang: Damage Evaluation inside the Concrete Dam by Elastic Wave Methods, Proceedings of 3rd Asian Concrete Federation Symposium, No.S1-1-2, 2019.
          • Takahiro Nishida, Shigeru Kayano, Katsufumi Hashimoto, Nobuhiro Okude: Experimental Study on the Distribution of Horizontal Cracks in RC Slabs with Steel Plate Strengthening, Proceedings of 3rd Asian Concrete Federation Symposium, No.S2-3-2, 2019.
        • Ryo Suzuki, Kazunori Shimura, and Takafumi Sugiyama: Experimental study of slag gypsum cement concrete to recycle waste gypsum board, Proceedings for 1st International Conference on Innovation in Low-Carbon  Cement & Concrete Technology, 24-26 June 2019, London, UK.
        • Cahyadi A. and Sugiyama T.: Corrosion evaluation with electro-chemical technique on steel embedded in reinforced concrete slab for road bridge, Proceedings for 3rd ACF Symposium 2019: Assessment and Intervention of Existing Structures, 10-11 September 2019, Sapporo, Japan.
      • Wang N., Iyoda G. and Sugiyama T.: Effect of steam curing on chloride ion penetration resistance of concrete with supplementary cementitious materials in the marine environment, Proceedings for 3rd ACF Symposium 2019: Assessment and Intervention of Existing Structures, 10-11 September 2019, Sapporo, Japan.
      • Takahashi H., Mikami T., Chimoto A. and Sugiyama T.:  Investigation of the effect of aggregate types on cracking due to high temperature by non-destructive integrated CT-XRD method, Proceedings for 3rd ACF Symposium 2019: Assessment and Intervention of Existing Structures, 10-11 September 2019, Sapporo, Japan. 
      • Yuguang Yang, Fenqiao Zhang, Dick Hordijk, Katsufumi Hashimoto, Tomoki Shiotani: A comparative study of Acoustic Emission tomography and Digital Image Correlation measurement on a reinforced concrete beam, 6th International Symposium on Life-Cycle Civil Engineering, No.309, 2018.
      • Katsufumi Hashimoto, Tomoki Shiotani, Masaharu Nishikino, Katsuhiro Mikami, Noboru Hasegawa, Toshiyuki Kitamura: Fundamental Study on AE Analysis and Tomography Technique with Non-Contact Laser Impact for Damage Detection in Concrete, 24th International Acoustic Emission Symposium, pp.45-48, 2018.
      • Yiming Feng, Tomoki Shiotani, Takahiro Nishida, Hisafumi Asaue, Katsufumi Hashimoto, Shigeru Kayano: Evaluation of Damage in RC Bridge Decks Reinforced with Steel Plates under Dynamic Wheel-loading Test by means of AE Activities, 24th International Acoustic Emission Symposium, pp.123-126, 2018.
      • Kazuo Watabe, Takamine Hidefumi, Yuki Ueda, Katsufumi Hashimoto, Nobuhiro Okude, Tomoki Shiotani: AE measurement of PC Cable Breakage Using a Full-Scale PC Beam, 24th International Acoustic Emission Symposium, pp.157-167, 2018.
        • Katsufumi Hashimoto, Tomoki Shiotani, Nobuhiro Okude, Clement Granier, Kazuo Watabe, Hidefumi Takamine: Simulation Investigation of Elastic Wave Velocity and Attenuation Tomography Using Rain-Induced Excitations, Structural Faults and Repair, 2018.
      • H. Takahashi and T. Sugiyama: Investigation of alteration in deteriorated mortar due to water attack using non-destructive integrated CT-XRD method, Proceedings of the 11th fib International Ph.D. Symposium in Civil Engineering, pp. 445-451, 2016.
      • T. Sugiyama, T. Hitomi and K. Kajiwara: Non-destructive Integrated CT-XRD Method Developed for Hardened Cementitious Material, Proceedings of 2nd International Conference on Tomography of materials and Structures (ICTMS 2015), pp.560-564, June 29 – July 3, 2015, Quebec city, Canada.
      • I. Zafar and T. Sugiyama: Experimental Factors with regard to Increased Corrosion Resistance in Fly Ash Concrete, EURO COAL ASH 2014, pp.251-264, Munich, Germany, 14-15 Oct. 2014.
      • T. Sugiyama, T. Hitomi and K. Kajiwara: Non-destructive integrated CT-XRD method for research on hydrated cement systems, 4th International Conference on the Durability of Concrete Structures, Purdue University, USA, 24-26 Aug. 2014.
      • T. Sugiyama: Durability of fly ash concrete in salt-laden environment, 3rd International Conference on Sustainable Construction Materials and Technology (SCMT3), pp.19-24, Kyoto, Japan, 19-22 Aug. 2013.
      • T. Sugiyama, I.S. Darma, T. Hitomi, and M.A.B. Promentilla: Change of microstructure of hardened cement paste with a low alkali binder due to leaching, 3rd International Workshop Mechanisms and modelling of waste/cement interactions Workshop, Ghent (Belgium), May 6-8, 2013.
      • H. Q.c Vu, B. Stitmannaithum and T. Sugiyama: A Concept for 2D Model of Chloride Diffusivity into Cracked Reinforced Concrete Structures. The Twenty-Fourth KKCNN Symposium on Civil Engineering, Hyogo, Japan, PP: 285-288. 2011.
      • T. Sugiyama , J. Sakamoto and T. Sindoh: Effect of cracks on　gas permeability in ultra high strength fiber reinforced concrete (UFC), Proceedings of the 9th International Symposium oh High Performance Concrete, AC3-4, Rotoura, NZ. Aug. 2011.
      • H. Ikegami, M.A.B. Promentilla and T. Sugiyama: Measurement of Air Voids in Fly Ash Concrete Using Microfocus X-Ray CT, Proceedings of 2nd International Conference on Durability of Concrete Structures, pp.97-106, Sapporo, Japan, Nov. 2010.
      • Promentilla, M.A.B., Sugiyama, T.: Application of Microfocus X-ray CT to Investigate the Frost-induced Damage Process in Cement-based Materials.  In: GeoX2010: Advances in Computer Tomography for Geomaterials. New Orleans, LA, USA,  1-3 Mar, 2010, pp 124-131.
      • J. Furumura, G.M.S. Islam, T. Sugiyama and S. Fuji: Investigation of Threshold Chloride Concentration of Steel in Concrete Using an Embedded Lead Electrode, Proceedings of 2nd International Conference on Durability of Concrete Structures,  pp.353-360, Sapporo, Japan, Nov. 2010.
      • G.M. S. Islam and T. Sugiyama: Corrosion Monitoring Rebars in Concrete under Accelerated Chloride Environment, Proceedings of 4th International Conferernce on Construction Materials; Performance, Innovation and Structural Implication, pp255-262, Nagoya, Japan, Aug. 2009.
      • T. Sugiyama, S. Takahashi, M. Honda and E. Sakai: Current state of the JSCE Standard on Teat Method for Leaching of Trace Elements from Hardened Concrete, Proceeding of Sustainable Construction Materials and Technology (Special Session), pp. 197-203, Coventry, UK, 11-13 June 2007.
      • M. A. B. Promentilla and T. Sugiyama: Studies on 3D Micro-Geometry and Diffusion Tortuosity of Cement-Based Materials using X-Ray Microtomography, Proceedings of the 32nd Conference on Our World in Concrete and Structures, pp. 389-396, Singapore, Aug. 2007.
      • M. Watanabe, K. Nakarai, T. Sugiyama, N. Tomizawa, and Y. Tsuji :Effect of dry density of bentonite in contact with concrete on its alteration after electrical migration, Proceedings of the 32nd Conference on Our World in Concrete and Structures, pp. 467-473, Singapore, Aug. 2007.
      • M. A. B. Promentilla and T. Sugiyama: Evaluation of Tortuosity of Cement-based materials with X-Ray Synchrotron Radiation Microtomograhy, Proceedings of the 1st International Conference on Recent Advances in Concrete Technology, pp.101-112, Washington DC, USA, Sept. 2007.
      • T. Sugiyama, T. , M. Minatoya and Y. Tsuji: Development of a Permeability Cekk for Concrete Subjected to Tensile Strain, Proceedings of 3rd International Conference on Concrete under Severe Conditions, Vol.2, pp.1578-1585, Vancouver, Jun. 2001.
      • T. Yoshioka，N. Kumai and T. Sugiyama: Life Cycle Cost of Post-tensioned T-section Girder Bridges，Proceedings of the 10th Road Engineering Association of Asia and Australasia Conference，11pages，Sept．Tokyo，Japan, 2000.
      • T. Sugiyama: Change of the Transport Number of Chloride Ions in a Migration Test for Concrete，Proceeding of the 2nd International RILEM Workshop on Testing and Modeling the Chloride Ingress into Concrete，15 pages，Sept．Paris，France 2000.

      Proceedings of Japansese Conference (peer-reviewed)

      2024

      2023

        • 髙橋尚、橋本勝文、杉山隆文、熊谷駿佑：サーモソニック法によるモルタル内部の損傷度と発熱挙動の評価、コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集、Vol.23、pp.245-250、2023．
        • 橋本勝文：X線CT画像の教師なし深層学習によるコンクリート内部のひび割れ抽出、コンクリート工学年次論文集、Vol.45、No.1、pp.1390-1395、2023．
        • 中瀬皓太、橋本勝文、杉山隆文、河野克哉：建設用3Dプリンタの積層経路が異なるモルタル積層体の圧縮破壊時におけるひび割れ進展挙動と変形分布の関係、コンクリート工学年次論文集、Vol.45、No.1、pp.1600-1605、2023．

      2022

        • 中瀬皓太、冨樫佑介、橋本勝文、杉山隆文、齊藤亮介：コンクリート内部の粗骨材分布に関するX線CT画像の三次元画像解析手法の構築、コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集、Vol.22、pp.243-248、2022．
        • 橋本勝文、塩谷智基：サーモソニック法の適用によるひび割れ界面の可視化、コンクリート工学年次論文集、Vol.44、No.1、pp.1360-1365、2022．

      2021

        • 奥出信博、塩谷智基、橋本勝文、古野昌吾、田中康司：弾性波を利用したRC床版のひび割れ補修に伴う剛性向上効果の推定、コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集、Vol.21、pp.31-36、2021．
        • 橋本勝文、塩谷智基、張　凱淳、川端康平、三屋裕幸：RC床版の剛性低下に関するMEMS振動発電デバイスを用いた異常箇所検知システム、コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集　、Vol.21、pp.91-96、2021．

      2020

      • 橋本勝文、塩谷智基、和田圭仙、河田直樹、上田憲寿：非接触弾性波検出による供用中のRC床版に対するSIBIE法の適用、第11回道路橋床版シンポジウム論文報告集, pp.5-10, 2020．
      • 橋本勝文、塩谷智基、和田圭仙、河田直樹、上田憲寿：コンクリ－ト中の損傷評価に関するSIBIE法の改良による三次元可視化手法、コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集, 20, pp.355-360, 2020.
      • 村瀬春祐、橋本勝文、塩谷智基、河野広隆、服部篤史：レ－ザ－照射表面の状態がコンクリ－ト中への励起弾性波に及ぼす影響、コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集, 20, pp.373-376, 2020.
      • 奥出信博、橋本勝文、山本貴士、塩谷智基：Rayleigh 波の振幅分布関数を利用したコンクリ－トのひび割れ深さ評価、コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集, 20, pp..179-184, 2020.
      • 西田孝弘、茅野茂、橋本勝文、奥出信博：鋼板接着補強された実コンクリ－ト床版の損傷評価、コンクリ－ト工学年次論文集, 42, pp.2201-2206, 2020.

      2019 and older

      • 橋本勝文、塩谷智基、錦野将元、三上勝大：レ－ザ－照射により励起された弾性波の検出によるコンクリ－ト内部の欠陥検出、コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集, 18, pp.255-260, 2019.
      • 茅野茂、西田孝弘、服部篤史、橋本勝文、塩谷智基：輪荷重走行載荷を受ける鋼板接着補強RC床版のAEトモグラフィによる損傷進展評価, コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集、18、 pp.629-634、2019.
      • 橋本勝文、塩谷智基、西田孝弘、加川順一：弾性波トモグラフィによるひび割れ補修工法における樹脂注入状況の評価, 「非破壊手法を用いたコンクリ－ト構造物の補修評価」に関するシンポジウム論文集、pp.177-182、2018.
      • 橋本勝文、塩谷智基、奥出信博、渡部一雄、高峯英文：降雨によりランダム励起された弾性波の伝搬特性およびトモグラフィ解析によるひび割れ検出, コンクリ－ト構造物の補修、補強、アップグレ－ド論文報告集、18、pp.231-236、2018.
      • S. Darma, T. Sugiyama, T. Hitomi and K. Shimura: Phases analysis on fly ash concrete by using synchrotron X-ray computed microtomography, Proceedings of Japan Concrete Institutes, Vol.34, No.1, pp.202-207, 2012.
      • W. Ritthichauy，T. Sugiyama and Y. Tsuji：Study on The Influence of Various Inorganic Salts on Ion Transport in Cement-Based Material，Proceedings of Japan Concrete Institute, Vol.26, No.1, pp.915-920, 2004.
      • W. Ritthichauy，T. Sugiyama and Y. Tsuji：Calculation of Diffusion Coefficient of Ion in Multicomponent Solution for Ion Movement in Concrete，Proceedings of Japan Concrete Institute, Vol.24, No.1 pp.669-674, 2002.

      Awards

      FY2023

      日本コンクリート工学会北海道支部 2023年度 優秀学生賞「3Dコンクリートプリンティングにおける積層経路と積層体の破壊進展挙動」中瀬皓太

      令和5年度土木学会北海道支部年次技術研究発表会優秀学生講演賞「LIBSを用いた元素同定による放射性コンクリート塊の核種移行挙動の評価」山岸遥

      北海道大学大学院工学院 環境フィールド工学専攻 土木工学修士優秀学生賞 中瀬皓太

      インフラメンテナンス大賞 優秀賞（技術開発部門）国土交通省「MEMSエナジハーベスタを用いた附属物点検デバイス「フリークエンター」」橋本勝文

      日本材料学会 第23回 コンクリート構造物の補修，補強，アップグレードシンポジウム優秀論文賞「サーモソニック法によるモルタル内部の損傷度と発熱挙動の評価」髙橋尚

      令和5年度土木学会全国大会 第78回年次学術講演会優秀講演者「建設用3Dプリンタの吐出口における押出成形速度の材料分離への影響」吉原伶

      令和5年度土木学会全国大会 第78回年次学術講演会優秀講演者「模擬再生骨材を用いたレーザー加振技術による再生骨材界面の付着評価手法の検討」茨木大輔

      FY2022

      北海道大学工学部 環境社会工学科 国土政策学コース 2022年度 吉町太郎一先生記念賞 吉原伶

      北海道大学 令和4年度工学研究院若手教員奨励賞 橋本勝文 

      日本コンクリート工学会北海道支部 2022年度 優秀学生賞「Cl–およびSr2+の実効拡散係数の測定に関する促進電気泳動法の提案」三浦知暉

      令和4年度土木学会北海道支部年次技術研究発表会優秀学生講演賞「土木学会規準に替わるモルタル供試体のCl⁻の実効拡散係数の測定法」三浦知暉

      令和4年度土木学会北海道支部年次技術研究発表会優秀学生講演賞「サーモソニック法による超音波加振条件とひび割れを有するモルタルの発熱挙動」吉原伶

      令和4年度土木学会北海道支部年次技術研究発表会優秀学生講演賞「建設用3Dプリンタの積層経路の違いによる内部ひび割れ進展挙動の観察」中瀬皓太

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