Yukitoshi OKA

Rapid Determination of the Tensile Strength of Rocks with Irregular Test Pieces

Yoshio HIRAMATSU, Yukitoshi OKA, Hideo Kiyama · Journal of the Mining and Metallurgical Institute of Japan · 1965 · 83 citations · Full text

Engineering, Geological Engineering, Geology +12

A Study on Core Discing of Rock

Katsuhiko SUGAWARA, Y. Kameoka, Toshiaki Saito et al. · Journal of the Mining and Metallurgical Institute of Japan · 1978 · 21 citations · Full text

Engineering, Civil Engineering, Earth Sciences +17

A Discussion on the Methods of Tension Test of Rock

Yoshio HIRAMATSU, Masao NISHIHARA, Yukitoshi OKA · Journal of the Mining and Metallurgical Institute of Japan · 1954 · 12 citations · Full text

Engineering, Civil Engineering, Geology +13