Hiroyoshi Hirai

Modelling of Cyclic Behaviour of Sand with Combined Hardening

Hiroyoshi Hirai, H. Hirai, 1987 .

AN ELASTIC-PLASTIC CONSTITUTIVE MODEL FOR THE BEHAVIOR OF IMPROVED SANDY SOILS

Hiroyoshi Hirai, Morio Takahashi, Masaichi Yamada, 1989 .

AN ANISOTROPIC HARDENING MODEL FOR CYCLIC PLASTICITY OF SAND

Hiroyoshi Hirai, H. Hirai, 1987 .

Settlements and stresses of multi‐layered grounds and improved grounds by equivalent elastic method

Hiroyoshi Hirai, H. Hirai, 2008 .

A Winkler model approach for vertically and laterally loaded piles in nonhomogeneous soil

Hiroyoshi Hirai, H. Hirai, 2012 .

A combined hardening model of anisotropically consolidated cohesive soils

Hiroyoshi Hirai, Takeshi Kamei, 1991 .