H. Koga
- Analysis of strength development in deep mixing: a field study. In: Proceedings of the Institution of Civil Engineers - Ground Improvement, v. 8, n. 2 (Januar 2004). (2004):
- 低炭素型セメント結合材を用いたコンクリート構造物の設計・施工ガイドライン(案) (Guidelines for Design and Construction of Concrete Structures Using Low-Carbon Cementitious Materials). In: Concrete Journal (JCI), v. 54, n. 10 ( 2016). (2016):
- テストハンマーによるコンクリート強度の推定調査について (Rebound Number Examination of New Concrete Structures). In: Concrete Journal (JCI), v. 40, n. 2 ( 2002). (2002):
- アルカリシリカ反応を生じた構造物の診断に対する技術者の意識調査─ASR診断の現状とあるべき姿研究委員会の活動─ (An Attitude Survey of Concrete Engineers on Diagnosis of ASR-affected Concrete Structures—First-year Activity of JCI-TC 115 FS "Technical Committee on Diagnosis of ASR-affected Struc. In: Concrete Journal (JCI), v. 50, n. 7 ( 2012). (2012):
- Research to Improve Durability of Concrete Structures Under Severe Conditions. In: Concrete Journal (JCI), v. 57, n. 5 ( 2019). (2019):