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
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: 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).
[In relation to research on Doctor degree] T. Sugiyama, T. W. Bremner and T. A. Holm: Effect of Stress on Gas Permeability in Concrete、ACI Materials Journal,V.93,No.5,pp.443-450, 1996.