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Fingerprint Dive into the research topics where Tomoyuki Koyama is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 8 Similar Profiles
Concretes Engineering & Materials Science
Tritium Chemical Compounds
Fly ash Engineering & Materials Science
Coal Ash Chemical Compounds
Cements Engineering & Materials Science
Portland cement Engineering & Materials Science
Coal ash Engineering & Materials Science
Compressive strength Engineering & Materials Science

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Research Output 1996 2019

  • 37 Citations
  • 3 h-Index
  • 12 Article
  • 1 Conference article
  • 1 Review article
2 Citations (Scopus)

Influence of α-calcium sulfate hemihydrate on setting, compressive strength, and shrinkage strain of cement mortar

Lee, B., Kim, G., Nam, J., Lee, K., Kim, G., Lee, S., Shin, K. & Koyama, T., Jan 7 2019, In : Materials. 12, 1, 163.

Research output: Contribution to journalArticle

Calcium Sulfate
Compressive strength

Effect of amine-based strength enhancer on early strength improvement using fly ash

Miyakawa, M., Iwaki, K., Ataras, D. & Koyama, T., Jun 2017, In : Journal of Structural and Construction Engineering. 82, 736, p. 783-789 7 p.

Research output: Contribution to journalArticle

Fly ash
Portland cement
Waste utilization

Seismic performance and evaluation of fly-ash concrete columns - towards resilient and sustainable concrete structures

Yuping, S., Koyama, T. & Takashi, T., Jan 1 2013, In : Sustainable Construction Materials and Technologies. 2013-August, e251.

Research output: Contribution to journalConference article

Coal Ash
Fly ash
Concrete construction
Axial compression

A survey on physical functions of construction workers

Koyamada, H., Fukushima, M., Koyama, T., Matsufuji, Y., Miyazaki, Y. & Uesugi, A., Oct 1 2009, In : AIJ Journal of Technology and Design. 15, 31, p. 653-656 4 p.

Research output: Contribution to journalReview article

Aging of materials
3 Citations (Scopus)

Characteristics of tritium release behavior from solid breeder materials

Kinjyo, T., Nishikawa, M., Yamashita, N., Koyama, T., Suematsu, K., Fukada, S. & Enoeda, M., Jan 1 2008, In : Fusion Science and Technology. 54, 2, p. 557-560 4 p.

Research output: Contribution to journalArticle