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
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 (Peer Reviewed 4 pages in USB)
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. (Peer Reviewed 6 pages in USB)
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. (Peer Reviewed 6 pages in USB)
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. (Peer Reviewed 8 pages in USB)
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 (In Japanese)
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
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.
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.
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. (in CD-ROM)
M.A.B. Promentilla and T. Sugiyama：X-Ray Microtomography of Mortars Exposed to Freezing-Thawing Action, Journal of Advanced Concrete Technology, Vol.8, No.2, pp.97-111, 2010.
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 Initiation State of Rebars in Concrete Subjected to Chloride Penetration, Concrete under Severe Conditions, CRC Press, Vol. 1, pp.453-460, 2010.
M.A.B. Promentilla and T. Sugiyama：Application of Microfocus X-ray CT to Investigate the Frost-induced Damage Process in Cement-based Materials, Advances in Computed Tomography for Geomaterials, Wiley, pp. 124-131, 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.
Tomizawa, N. Sugiyama, T. and Tsuji, Y.: Experimental Studies on the Reduction of Expansion Force of Bentonite Sand Mixtures due to Calcium Leaching from Concrete, Cement and Concrete Technology, No.60, pp.162-168, 2006．
Sugiyama, T. Ishii, T., Machida, Y. and Tsuji, Y.: Effect of bar Arrangement on gas Permeability through Crack in Concrete, Journal of Materials, Concrete Structures and Pavements, Vol. 62, No. 3, pp.531-541, 2006.
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
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) (Contained in the CD-ROM).
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) (Contained in the CD-ROM).