LABORATORY OF BUILDING MATERIALS, HOKKAIDO UNIVERSITY

publication｜研究業績

KITAGAKI Ryoma

Papers(peer-reviewed)｜査読付き原著論文
  1. Dayoung Oh, Takafumi Noguchi, Yutaka Aikawa, Ryoma Kitagaki, Proposal of a formula for estimating the tensile strength of solidification with arbitrary particle size distribution, Powder Technology 2024, 119449, https://doi.org/10.1016/j.powtec.2024.119449
  2. Naohiko Saeki, Luge Cheng, Ryo Kurihara, Takahiro Ohkubo, Atsushi Teramoto, Yuya Suda, Ryoma Kitagaki, Ippei Maruyama, Natural carbonation process in cement paste particles in different relative humidities, Cement and Concrete Composites 146 2024.02
  3. Siventhirarajah Krishnya, Kirushnapillai Kopitha, Yuya Yoda, Ryoma Kitagaki, Yogarajah Elakneswaran, Development and verification of an integrated hydration, geochemical and transport model for the hydrated cement paste exposed to an aggressive chemical environment, Cement and Concrete Composites 146 2024.2
  4. Sujeong Pyeon, Gyuyong Kim, Byungcheol Choi, Moonkyu Kim, Ryoma Kitagaki, Heesup Choi, Jihoon Kim, Jeongsoo Nam, Characteristics on compressive strength and microstructure of high-strength cementitious composites with waste glass beads, Case Studies in Construction Materials 19 2023.12
  5. Kaishi Kojima, Jihoon Kim, Ryoma Kitagaki, Yukio Hama, Study of microstructural changes in blast-furnace cement hardened by repeated dry and wet curing at high temperatures, Construction and Building Materials 403 2023.11
  6. Kirushnapillai Kopitha, Yogarajah Elakneswaran, Ryoma Kitagaki, Ryosuke Saito, Masato Tsujino, Akira Nishida, Hisanori Senboku, Naoki Hiroyoshi, N-methyldiethanolamine (MDEA) as an effective CO2 absorbent for direct air capture (DAC) in cement-based materials , Chemical Engineering Journal 475 146067-146067 2023.11
  7. Takato Ishida, Ryoma Kitagaki, Yogarajah Elakneswaran, Junji Mizukado, Hideyuki Shinzawa, Hiroaki Sato, Hideaki Hagihara, Ryota Watanabe, Network Degradation Assessed by Evolved Gas Analysis–Mass Spectrometry Combined with Principal Component Analysis (EGA–MS–PCA): A Case of Thermo-Oxidized Epoxy/Amine Network, Macromolecules 56(3) 883-891 2023.1
  8. Yoobin LEEM, Ryoma KITAGAKI, Microstructural analysis based on gas isotherms of N2, H2O and CO2 and 3D imaging using X-ray CT into extruded polystyrene foam adding graphite, 11th Internatonal Conference on Times of Polymers (TOP) and Composites, 2023
  9. Yoobin LEEM, Ryoma KITAGAKI, Change of polymeric gel structure of several foamed plastic insulations deteriorated by moisture, Materials Today: PROCEEDINGS, (2023), https://doi.org/10.1016/j.matpr.2023.07.021
  10. Takato Ishida, Ryoma Kitagaki, Accelerated Aging Test Modeling for Polycarbonate: Effects of Light Source; Times of Polymers and Composites 2022, Volume 405, https://doi.org/10.1002/masy.202100211
  11. Jihoon Kim, Ryoma Kitagaki and Heesup Choi, Pore Filling Effect of Forced Carbonation Reactions Using Carbon Dioxide Nanobubbles, Materials 2020, 13(19), 4343; https://doi.org/10.3390/ma13194343
  12. Jihoon Kim, Ryoma Kitagaki, Behavior of hydrates in cement paste reacted with silicate-based impregnant, Cement and Concrete Composites, Volume 114,2020
  13. Jihoon Kim, Ryoma Kitagaki, Chemical properties and mass transfer resistance of mortar surface modified with silicate-based surface impregnant, Construction and Building Materials, Volume 262,2020
  14. Nguyen Xuan Tung, Ryoma KitagakiYoshiro Yamakita The Repairing Effects of Lithium Silicate Based Material to the Surface of Hardened Concrete、Innovation for Sustainable Infrastructure，pp 477-482, 2020
  15. Takato Ishida, Ryoma Kitagaki, Ryota Watanabe, Hideaki Hagihara, Yogarajah Elakneswaran, Hideyuki Shinzawa, A study of molecular architectural dynamics of crosslinked urethane during photo-aging by two-dimensional infrared correlation spectroscopy, Polymer Degradation and Stability, Volume 179, 2020, 109242, https://doi.org/10.1016/j.polymdegradstab.2020.109242.
  16. Dayoung Oh, Takafumi Noguchi, Ryoma Kitagaki, Hyeonggil Choi,Proposal of demolished concrete recycling system based on performance evaluation of inorganic building materials manufactured from waste concrete powder, Renewable and Sustainable Energy Reviews, Vol.135,2021,110147,https://doi.org/10.1016/j.rser.2020.110147.
  17. Takato Ishida, Ryoma Kitagaki, Hideaki Hagihara, Yogarajah Elakneswaran: Challenges in prediction of significant structural changes during photochemical “degelation” of acrylic-urethane network, Polymer, Volume 186, 2020
  18. Tetsushi Miyoshi, Ryoma Kitagaki, and Takafumi Noguchi : Agent-Based Modeling of Super-Long-Term Maintenance Processes for RC Building Groups: Stochastic Study of Risks of Building Groups by Super-Long-Term Combined Deterioration Part 2，Japan Architectural Review
  19. Ma D., Kitagaki R., and Senbu O.:The effect of lowest temperature in the accelerated freeze-thaw test on concrete frost deterioration，1140，Proceedings of the Japan Concrete Institute, 2019.7
  20. 米谷怜, 千歩修, 北垣亮馬, 根本かおり：モデル建物の30 年屋外暴露試験に基づく仕上材の劣化状況と中性化抑制効果，1137，コンクリート年次論文集，2019.7
  21. Dequn Ma, Osamu Senbu and Ryoma Kitagaki:A new concrete frost resistance evaluating method considering moisture content increase under outdoor exposure，ACF Journal, 2019.5
  22. Sungchul Bae, Heongwon Suh; Hyeonseok Jee; Jihoon Kim; Kitagaki Ryoma;Shinobu Ohki; Seungmin Woo; Keunhong Jeong;Influences of Rehydration Conditions on the Mechanical and Atomic Structural Recovery Characteristics of Portland Cement Paste Exposed to Elevated Temperatures, Construction & Building Materials, 2019.06
  23. Nguyen Xuan Tung，Ryoma Kitagaki，and Yoshiro Yamakita：The repairing effects of lithium silicate based material to the surface of hardened concrete，Congrès International de Géotechnique – Ouvrages – Structures，2019
  24. Takato Ishida, Ryoma Kitagaki, Shogo Yamane and Hideaki Hagihara : Temperature dependence of structural alteration by ultraviolet irradiation in acrylic-urethane coatings studied by positron annihilation spectroscopy and solvent swelling behavior，polymer degradation and stability, Volume 162, April 2019, Pages 85-93
  25. 北垣亮馬：昇温脱離法分析装置による建築用塗膜の気体透過・拡散・溶解度係数の測定方法と温湿度依存性に関する研究，高分子論文集，2018，https://doi.org/10.1295/koron.2018-0001
  26. 石田崇人，北垣亮馬：低湿度環境下における建築材料用ウレタン塗膜の光劣化メカニズムの温度依存性，高分子論文集，2018.4
  27. 金 志訓，北垣亮馬：ケイ酸ナトリウムを補修材として用いたセメント硬化体の炭酸化特性に関する基礎的な研究，日本コンクリート工学会年次論文集，No.1，2017
  28. 久永 真子，北垣 亮馬，金 志訓：各種表面含浸材で補修されたセメント硬化体表面の水蒸気拡散係数および組成変化に関する基礎的研究，日本コンクリート工学会年次論文集，2017.7
  29. 工藤高弘，北垣亮馬：昇温脱離装置を用いたコンクリートの化学分析に関する基礎的研究，日本コンクリート工学会年次論文集，2017.7
  30. 三好徹志，北垣亮馬，野口貴文：下方OFTによる建築物群の更新過程のエージェントベースモデリング，社会技術研究会論文集，2017.5
  31. 三好徹志，北垣亮馬，野口貴文：鉄筋コンクリートの超長期複合劣化過程の反応型非定常拡散方程式による解析的考察 超長期複合劣化による建築物群のリスクの確率論的考察　その1，日本建築学会構造系論文集，Vol. 82 (2017)
  32. 金志訓，北垣亮馬ほか：ケイ酸ナトリウムを補修材として用いたセメント硬化体の化学的変化に関する基礎的な研究，日本コンクリート工学会年次論文集，Vol.38，No.1，pp.1911-1916，2016
  33. 金 志訓，北垣亮馬：CO2ナノバブルを用いた炭酸化反応による空隙充填効果に関する研究，日本コンクリート工学会年次論文集，2015
  34. Jihoon Kim, Ryoma Kitagaki et al:The Chemical Changes Of Cement Paste With Silicate-Based Surface Penetrants, the 7th international conference of Asian concrete federation, 2016
  35. Heesup Choi, Hyeonggil Choi, Myungkwan Lim, Inoue Masumi, Kitagaki Ryoma, Noguchi Takafumi，Evaluation on the mechanical performance of low-quality recycled aggregate through interface enhancement between cement matrix and coarse aggregate by surface modification technology, International Journal of Concrete Structures and Materials，2016，IF:2.031
  36. Gaochuang Cai, Takafumi Noguchi, Hervé Degée, Jun Zhao and Ryoma Kitagaki: Volcano-related materials in concretes: a comprehensive review, Volcano-related materials in concretes: a comprehensive review, Environmental Science and Pollution Research，IF：2.741，2016
  37. Hyeonggil Choi、Heesup Choi、Myungkwan Lim、Takahumi Noguchi、Ryoma Kitagaki，Modeling of volume changes of concrete mixed with expansive additives，Construction and Building Materials，75巻，2015，IF:3.169
  38. Hyeonggil Choi、Myungkwan Lim、Heesup Choi、Takahumi Noguchi、Ryoma Kitagaki，Modeling of creep of concrete mixed with expansive additives，Magazine of Concrete Research，67巻，7号，2015年，IF:1.156
  39. Hyeonggil Choi、Myungkwan Lim、Ryoma Kitagaki、Takahumi Noguchi、Gyuyong Kim，Restrained shrinkage behavior of expansive mortar at early ages, Construction and Building Materials，84巻，2015年, IF:3.169
  40. Takafumi Noguchi, Ryoma Kitagaki and Han-sic Kim, Utilization of CO2 Nanosized Bubble for Improving Quality of Recycled Concrete Aggregate, Thirteenth International Conference on Recent Advances in Concrete Technology and Sustainability Issues, July 14-17, 2015, Papers to be Presented at the Conference
  41. 米村美紀，北垣亮馬ほか：1H NMRを用いたセメント硬化体の細孔構造分析，日本コンクリート工学会年次論文集，Vol.37，No.1，pp.511-516，2015
  42. Jaecheol Ahn, Takafumi Noguchi and Ryoma Kitagaki, Disassembly Properties of Cementitious Finish Joints Using an Induction Heating Method, Materials, pp.2433-2453, Vol.8, 2015, IF 2.654
  43. Takafumi Noguchi, Won-Jun Park, Ryoma Kitagaki: Risk evaluation for recycled aggregate according to deleterious impurity content considering deconstruction scenarios and production methods, Resources, Conservation and Recycling, pp.405-416, Vol.104, Part B, 2015, IF:3.313
  44. Heesup Choi、Myungkwan Lim、Hyeonggil Choi、Ryoma Kitagaki、Takahumi Noguchi，Using Microwave Heating to Completely Recycle Concrete, Journal of Environmental Protection，5巻，7号，2014年, IF 0.774
  45. Myungkwan Lim、Heesup Choi、Hyeonggil Choi、Ryoma Kitagaki、Takahumi Noguchi，Development of Eco-Friendly Deconstruction Technologies for Recycling Construction Waste, Journal of Environmental Protection，5巻，7号，2014年, IF:0.774
  46. Hyeonggil CHOI, Myungkwan LIM, Takafumi NOGUCHI, Ryoma KITAGAKI, Creep behavior of expansive concrete, Proceedings of ICMMA 2014 (The 8th international conference on multi-functinal materials and applications), pp.273-277, 2014
  47. Takafumi Noguchi,Ryoma Kitagaki,Masato Tsujino:Minimizing environmental impact and maximizing performance in concrete recycling, Structural concrete, Volume 12, Issue 1, March 2011, Pages 36-46, IF 1.424
  48. ChoiHyeonggil, Myungkwan Lim, Masumi Inoue. Ryoma Kitagaki, Takafumi Noguchi，Evaluation on the Mechanical Performance of Low-Quality Recycled Aggregate Through Interface Enhancement Between Cement Matrix and Coarse Aggregate by Surface Modification Technology, International Journal of Concrete Structures and Materials. March 2016, Volume 10, Issue 1, pp 87-97, IF 2.031
  49. Takafumi Noguchi, Won-Jun Park, Ryoma Kitagaki, Risk evaluation for recycled aggregate according to deleterious impurity content considering deconstruction scenarios and production methods, Resources, Conservation and Recycling，Volume 104, Part B, November 2015, Pages 405-416Pages 405-416, IF:3.313
  50. Heesup Choi, Ryoma Kitagaki, Takafumi Noguchi, Effective Recycling of Surface Modification Aggregate using Microwave Heating, Journal of Advanced Concrete Technology, pp.34-45, Vol.12, 2015, IF: 0.835
  51. Da-Young Oh, Takafumi Noguchi, Ryoma Kitagaki and Won-JunPark: CO2 emission reduction by reuse of building material waste in the Japanese cement industry, Renewable and Sustainable Energy Reviews, pp.796–810, Vol.38, 2014, IF 8.050
  52. 相尚寿・北垣亮馬・片桐由希子・田村順子（2014）：表計算ソフトを用いた都市計画立案支援のための費用試算シートの提案，GIS理論と応用 22（1）
  53. 熊英，北垣亮馬，野口貴文：モルタル中の鉄筋表面における腐食生成物の透磁率の違いが電磁誘導法鉄筋探査試験結果に及ぼす影響把握に関する基礎的研究，コンクリート工学年次論文集，Vol.35，No.1，2013
  54. 北垣 亮馬：ロードサイド型コンパクトシティ実現のための検討項目・事例２ コンポスト研究， Sustainable Urban Regeneration, Vol. 31, 東京大学 都市持続再生研究センター , 2013.3.
  55. 北垣 亮馬：ロードサイド型コンパクトシティ実現のための試算モデルの構築， Sustainable Urban Regeneration, Vol. 31, 東京大学 都市持続再生研究センター , 2013.3.
  56. Ryoma KITAGAKI: Strategy to reduce CO2 in concrete industry, Green City Group, the 1st Korea-China-Japan Young Researchers Workshop, 2010.05
  57. Ryoma Kitagaki, Takuma Mitani, Hironori Nagai, and Takafumi Noguchi:Behavior of sectoral CO2 emission in concrete industry at the case of replacing ready-mixed concrete demands to pre cast concrete products, International Conference on Sustainable Urbanization, 2010.12
  58. Takuma Mitani, Ryoma Kitagaki, Hironori Nagai, and Takafumi Noguchi: Sectioral & spatial analysis of co2 emission in concrete industry using resource recycling simulator “ecoma” implementing actual road network, International Conference on Sustainable Urbanization, 2010.12
  59. Hideki Yamagishi, Ryoma Kitagaki, Takuma Mitani, Hironori Nagai, and Takafumi Noguchi:Resource-flow simulation in concrete-related industries using ecoMA -Environmental evaluation of concrete-related industries including mixture material-, 2nd International Conference on Waste Engineering and Management, 2010.10
  60. Ryoma Kitagaki, Takuma Mitani, Hironori Nagai, and Takafumi Noguchi: Equilibrium point of CO2 emission and material reusability in concrete industry at the case of replacing ready-mixed concrete demands to pre cast concrete products, 2nd International Conference on Waste Engineering and Management, 2010.10
  61. Ryoma Kitagaki, Masato Tsujino, Hironori Nagai, and Takafumi Noguchi: Completely Recyclable Concrete of Aggregate-recovery Type by Using Microwave Heating, the 11th international conference on advance in concrete technology and sustainable development, 2010.5
  62. Tokihiko Fukao, Ryoma Kitagaki, Hironori Nagai, Takafumi Noguchi: Development of Eco-Friendly Building Material by Densification of Powders through Carbonation and Hydration after Pressure Forming, International Conference on Sustainable Building Asia, Ansan, Korea, 2010.2
  63. Takafumi NOGUCHI, Ryoma KITAGAKI and Masato TSUJINO:ENVIRONMENTAL IMPACT MINIMIZATION AND PERFORMANCE MAXIMIZATION IN CONCRETE RECYCLING, Structural Concrete, fib, Vol.11, No. 1, 2011.03
  64. 三谷卓磨，北垣亮馬，長井宏憲，野口貴文：道路ネットワークを実装した資源循環シミュレータecoMA によるコンクリート産業のCO2 排出量の空間的特性評価，日本LCA学会論文集，2011.03
  65. 岩田彩子、兼松学、野口貴文、長井宏憲、北垣亮馬、藤本郷史：実態調査に基づくコンクリート関連産業のCO2排出原単位に及ぼす地域特性・工場規模の影響、日本建築学会技術報告集、No.32、pp.43-48、2010
  66. 辻埜真人、野口貴文、北垣亮馬、長井宏憲：骨材への被覆改質処理による完全リサイクルコンクリートの強度向上技術に関する研究、日本建築学会構造系論文集、No.647、pp.17-24、2010
  67. 竹田真梨子、北垣亮馬、堺孝司：香川県におけるコンクリート系廃棄物フローとその環境負荷低減に関する研究、コンクリート工学年次論文報告集、Vol.31、No.1、pp.1903-1908、2009
  68. 藤本郷史、北垣亮馬、兼松学、野口貴文、間宮尚、鈴木宏一：マルチエージェントシステムを応用した資源循環シミュレーション手法によるコンクリート関連廃棄物の動向予測、日本LCA学会誌、Vol.2、pp.222-228、2006
  69. 北垣亮馬、兼松学、野口貴文：2次元フーリエ変換による打放しコンクリートの視覚情報変化の分析方法に関する研究、日本建築学会構造系論文集、No.597、pp.39-45、2005
  70. 北垣亮馬、兼松学、野口貴文：2次元フーリエ変換による打放しコンクリート視覚情報の定量的評価に関する研究、日本建築学会構造系論文集、No.597、pp.33-38、2005
  71. 北垣亮馬、兼松学、野口貴文：木質系建材の動的サステナブル社会適性評価に関する研究、日本建築学会環境系論文集、No.595、pp.141-148、2005
  72. 兼松学、北垣亮馬、野口貴文、友澤史紀：2次元フーリエ変換によるコンクリートの汚れの評価手法に関する基礎的研究、コンクリート工学年次論文報告集、Vol.22、No.1、pp.211-216、2000
International conference paper(peer-reviewed)｜ 査読付き国際会議
  1. Yuan Lin, Yuki Obuchi, Xueting Wang, Toshihiko Yamasaki, Ryoma Kitagaki, Satoshi Toriumi, Mikihisa Hayashi, Ai Sakai, Nobuhito Haga, Shimpei Nomura, and Yoichi Ikemoto, Real Estate Evaluation on Thermal Diffusivity with IoT Sensors, 2019 IEEE 8th Global Conference on Consumer Electronics (GCCE), pp. 456 – 457
  2. Ryoma Kitagaki, Environmental effects of pervious concrete pavements in Shanghai and Nanjing – Case studies by logistics simulation, 73rd RILEMWEEK 2019, International Conference on Innovative Materials for Sustainable Civil Engineering, 26-30 August, 2019, Nanjing, China
  3. Yoneya S, Senbu O, Kitagaki R and Nemoto K: Carbonation suppression effects of various finishing materials installed on a model building exposed in 30 years, S5-2-7, the 3rd ACF Symposium on Assessment and Intervention of Existing Structures, 2019.9
  4. Taniguchi M and Kitagaki R: Salt-preventive property of several types of lithium silicate-based surface penetrants and its enhancing effect by calcium-based solution, S4-2-3, the 3rd ACF Symposium on Assessment and Intervention of Existing Structures, 2019.9
  5. Ma D, Azuma Y, Kitagaki Y, Senbu O and Morinaga Y: The effect of sealing conditions and freeze-thaw on mortar pore structure, S6-2-4, the 3rd ACF Symposium on Assessment and Intervention of Existing Structures, 2019.9
  6. Kitagaki R, Nagai F, Hosonuma A and Takahashi H, A new quality framework of recycled concrete aggregate utilized for several geotechnical purposes in Japan, S3-2-1, the 3rd ACF Symposium on Assessment and Intervention of Existing Structures, 2019.9
  7. Ryoma Kitagaki, Fumio Nagai, Akito Hosonuma and Hitoshi Takahashi : New quality management codes for low quality recycled aggregate named “Tokyo brand ‘Cool eco-Stone’”, extending applicability for several soil/ground materials, Session by Environmentally Sound Management of Construction and Demolition Waste (CDW):Challenges and Opportunities in Asian Countries, CECAR8, 2019.03
  8. Ryoma KITAGAKI, Jihoon Kim : Vapor diffusion coefficient and water absorption coefficient of mortar surfaces repaired with colloidal calcium hydroxide solution and TEOS and its change caused by accelerated carbonation, International Conference on Sustainability in Civil Engineering (ICSCE), 2018
  9. Ryoma KITAGAKI, Takehiko ARAI, and Takato ISHIDA, A Model for apparent viscoelasticity of remelted extruded polystyrene foam(XPS) around melting point, 67th Symposium on Macromolecules, 2018
  10. Ryoma KITAGAKI, Takehiko ARAI, and Takato ISHIDA, Apparent viscoelasticity of extruded polystyrene foam(xps) and defoamed xps around melting point, the 10th International Conference of Modification, Degradation and Stabilization of Polymers, 2018
  11. Takato Ishida and Ryoma KITAGAKI, Temperature dependency of photodegradation reactions and elastic modulus change by soft-segment modification on urethane-based coatings for building use, the 10th International Conference of Modification, Degradation and Stabilization of Polymers, 2018
  12. Ryoma KITAGAKI and Yukiko KATAGIRI：Comparison of Quantitative Evaluation between Purchase and Rental Housing Market Using Hedonic Approach considering the Effect of Multiple Collinearity – Case Study in Tama Newtown Tokyo，3-7A，Applied Regional Science Conference Annual Meeting，2017.12
  13. Ji hoon Kim and Ryoma Kitagaki: The chemical changes of cement paste with silicate-based surface penetrants, Asian Concrete Federation, 2016
  14. Hyeonggil CHOI, Myungkwan LIM, Takafumi NOGUCHI, Ryoma KITAGAKI, Creep behavior of expansive concrete, Proceedings of ICMMA 2014 (The 8th international conference on multi-functinal materials and applications), pp.273-277, 2014
  15. Ryoma Kitagaki et al:Feasible improving techniques on concrete using recycling aggregate and byproduct powder with low environmental emission，First International Conferernce on Concrete Sustainability，2013
  16. Hansic　Kim，Ryoma Kitagaki：FUNDAMENTAL STUDY ON RECYCLING OF LOW-QUALITY RECYCLED FINE AGGREGATE USING CARBONATED NANOBUBBLE WATER，First International Conferernce on Concrete Sustainability，2013
  17. Ryoma KITAGAKI: Strategy to reduce CO2 in concrete industry, Green City Group, the 1st Korea-China-Japan Young Researchers Workshop, 2010.05
  18. Ryoma Kitagaki, Takuma Mitani, Hironori Nagai, and Takafumi Noguchi:Behavior of sectoral CO2 emission in concrete industry at the case of replacing ready-mixed concrete demands to pre cast concrete products, International Conference on Sustainable Urbanization, 2010.12
  19. Takuma Mitani, Ryoma Kitagaki, Hironori Nagai, and Takafumi Noguchi: Sectioral & spatial analysis of co2 emission in concrete industry using resource recycling simulator “ecoma” implementing actual road network, International Conference on Sustainable Urbanization, 2010.12
  20. Hideki Yamagishi, Ryoma Kitagaki, Takuma Mitani, Hironori Nagai, and Takafumi Noguchi:Resource-flow simulation in concrete-related industries using ecoMA -Environmental evaluation of concrete-related industries including mixture material-, 2nd International Conference on Waste Engineering and Management, 2010.10
  21. Ryoma KITAGAKI, Takuma MITANI, Hironori NAGAI, Takafumi NOGUCHI, Satoshi FUJIMOTO, and Manabu KANEMATSU:Simulation System for Calculating Regional CO2 Emission Employing Micro Economics Model, SB Seoul 2010，2010
  22. Takuma MITANI, Ryoma KITAGAKI, Hironori NAGAI, Takafumi NOGUCHI, Satoshi FUJIMOTO, and Manabu KANEMATSU:Simulation System for Calculating Regional CO2 emission of Building Materials Employing Actual Road Distance Calculator, SB Seoul 2010，2010
  23. Ryoma Kitagaki, Takuma Mitani, Hironori Nagai, and Takafumi Noguchi: Equilibrium point of CO2 emission and material reusability in concrete industry at the case of replacing ready-mixed concrete demands to pre cast concrete products, 2nd International Conference on Waste Engineering and Management, 2010.10
  24. Ryoma Kitagaki, Masato Tsujino, Hironori Nagai, and Takafumi Noguchi: Completely Recyclable Concrete of Aggregate-recovery Type by Using Microwave Heating, the 11th international conference on advance in concrete technology and sustainable development, 2010.5
  25. Tokihiko Fukao, Ryoma Kitagaki, Hironori Nagai, Takafumi Noguchi: Development of Eco-Friendly Building Material by Densification of Powders through Carbonation and Hydration after Pressure Forming, International Conference on Sustainable Building Asia, Ansan, Korea, 2010.2
  26. Takafumi Noguchi, Ryoma Kitagaki, Hironori Nagai and Masato Tsujino: Completely Recyclable Concrete of Aggregate-recovery Type by Using Microwave Heating Technology, Proceedings of RILEM Symposium on Progress of Recycling in the Built Environment, Sao Paolo, Brazil, 2009.12＜招待講演＞
  27. Ryoma Kitagaki: Evacuation Simulation by Multi-agent System, China-Japan Seminar on Fire Safety Science and Engineering, Hefei, China, 2009.11
  28. Ryoma Kitagaki: Regional Evacuation Simulation by ecoMA, a Multi-agent system, The 1st China-Japan Research Exchanging Conference on Fire Safety and Material Engineering, Beijing, China, 2009.8
  29. Ryoma Kitagaki, Masato Tsujino, Takafumi Noguchi, Hironori Nagai: Completely Recyclable Concrete of Aggregate-recovery Type by Using Microwave Heating, fib 2009 Symposium on 21st Century Superhero, London, UK, 2009.6
  30. Masato Tsujino, Ryoma Kitagaki, Takafumi Noguchi, Hironori Nagai, Y. Kunieda: Completely Recyclable Concrete of Aggregate-recovery Type by Using Microwave Heating Technology, Proceedings of the 3rd ACF International Conference, Ho Chi Minh, Vietnam, 2008.11
  31. Hironori Nagai, Takafumi Noguchi, Manabu Kanematsu, Ayako Iwata, Ryoma Kitagaki, Satoshi Fujimoto: Development of Simulation System for Estimating Regional Environmental Impacts in Concrete Industries Using Multi-agent and GIS, Proceedings of the 3rd ACF International Conference, Ho Chi Minh, Vietnam, 2008.11
  32. Ryoma Kitagaki, Takafumi Noguchi, Hironori Nagai, Manabu Kanematsu, Ayako Iwata, Satoshi Fujimoto: Minimization of CO2 Emission from Concrete Recycling in Major Metropolitan Areas and Regional Areas in Japan by Using ecoMA, Proceedings of the 3rd ACF International Conference, Ho Chi Minh, Vietnam, 2008.11
  33. Takafumi Noguchi, Masato Tsujino, Ryoma Kitagaki, Hironori Nagai: Completely Recyclable Concrete of Aggregate-recovery Type by Using Microwave Heating Technology, Proceedings of the 1st KCI-JCI-TCI Symposium, Seoul, Korea, 2008
  34. Ryoma Kitagaki: The Diagram of Key Factors of Sustainable Urban Regeneration, Next Step on Sustainable Urban Regeneration, Tokyo, 2007.12
  35. Takafumi Noguchi, Manabu Kanematsu, Satoshi Fujimoto, Ryoma Kitagaki, Hironori Nagai: Resource-flow Simulation in Concrete Related Industries by Using ecoMA, International Conference on Sustainability in the cement and Concrete Industry, Lillehammer, Norway, 2007.9
  36. Hironori Nagai, Takafumi Noguchi, Manabu Kanematsu, Satoshi Fujimoto, Ryoma Kitagaki: Resource-flow Simulation in Concrete Related Industries by Using ecoMA, SB07 SEOUL – the International Conference on Sustainable Building Asia, Seoul, Korea, 2007.6
  37. Ryoma Kitagaki: Building Quality and Future in Medan, International Workshop on Urban Development & Environment, Medan, Indonesia, 2007.3
  38. Satoshi Fujimoto, Ryoma Kitagaki, Manabu Kanematsu, Takafumi Noguchi: Evaluation of Extension of Building Lifetime toward Reduction of Demolished Concrete Using Multi-Agent System, Proc. of The Sixth Int. Symposium on Cement & Concrete, Chinese Ceramic Society/CANMET/ACI, Vol.2, pp.1269-1274, 2006
  39. Manabu Kanematsu, Satoshi　Fujimoto, Ryoma Kitagaki and Takafumi Noguchi: Development of Material Flow Simulation System by using Multi Agent Model to Evaluate Recycling Technologies for Concrete Related Materials, 2nd ACF International Conference, Bali, Indonesia, 2006.11
  40. Satoshi Fujimoto, Ryoma Kitagaki, Manabu Kanematsu, Takafumi Noguchi, Takashi Mamiya, Koichi Suzuki: Development of Long-Term Resource Flow Management System – Concrete Related Materials in Tokyo Area -, Proc. of the 2005 World Sustainable Building Conference, pp.1320-1325, Tokyo, Japan, 2005
  41. Satoshi Fujimoto, Ryoma Kitagaki, Manabu Kanematsu, Takafumi Noguchi: Evaluation of Recycling Technologies of Concrete Related Materials: Toward Reduction of Waste and CO2 Emission, Proceedings of CANMET/ACI/JCI Three-Day International Symposium on Sustainable Development of Cement, Concrete and Concrete Structures, pp.625-640, Toronto, Canada, 2005
  42. Ryoma Kitagaki, Manabu Kanematsu, Takafumi Noguchi: Evaluation of Features of Color Distribution Related to Visual Impression of Architectural Cladding Surfaces by Using 2DFFT, 6th Asian Design International Conference, pp.24-27, 2003
Domestic conference paper(peer-reviewed) ｜査読付き国内会議
  1. 北垣亮馬，石田崇人，長根乃愛，片桐由希子：マンションの修繕積立金の資金繰り逼迫性の空間分布構造に関する基礎的研究，日本建築学会大会学術講演会，オーガナイズドセッションG 空間社会形成への取組みと課題，2018
  2. 北垣亮馬，三好徹志：マルチエージェント人工市場への行動経済学的手法の導入による建設資材の市場価格変動の再現に関する研究，第40回情報･システム･利用･技術シンポジウム，R02，2017.11
  3. 北垣亮馬・林 憲吾・谷川竜一・鮎川 慧・三村 豊・村松 伸：歴史文化資源のためのデータベースの構築と地域利活用を考慮した価値構造の自動評価手法に関する研究，第40回情報･システム･利用･技術シンポジウム，R21，2017.11
  4. 北垣亮馬，米沢裕人：母集団の多重共線性を考慮したヘドニック・アプローチによる集合住宅における中古・賃貸市場の価格形成因子の定量的評価に関する研究，国立情報学研究所，IDRユーザフォーラム，2016
  5. 長田美咲，北垣亮馬：PPMS による建築材料の熱伝導率測定と含水率依存性に関する基礎的研究，日本熱物性学会シンポジウム，B322，2016
  6. 長田美咲，彌永宏之，北垣亮馬：PPMS を用いた建築材料の熱伝導率測定 その 2 EPS・XPS・ALC・石膏ボードの測定，日本熱物性学会シンポジウム，D132，2015
  7. 彌永宏之，長田美咲，北垣亮馬：PPMS を用いた建築材料の熱伝導率測定 その 1-セメント硬化体の熱伝導率の測定-，日本熱物性学会シンポジウム，D131，2015