Yoshio Hirai

FIELD CONSTRUCTION TESTS OF CAST-IN-PLACE CONCRETE PILES USING HIGH-STRENGTH CONCRETE (Fc100N/mm 2 )

Shuichi Wakai, Yoshio Hirai, Masamichi Aoki, 2017 .

20231 Field Construction Tests of Cast-in-place Concrete Piles using High-Strength Concrete : -Part3- Confirmation of Filling Ability

Shuichi Wakai, Yoshio Hirai, Aoki Masamichi, 2014 .

In-situ pull-out tests of cast-in-place concrete piles with belled enlargements

Shuichi Wakai, Yoshio Hirai, Aoki Masamichi, 2015 .

DAMAGE TO BUILDING FOUNDATION DURING THE 1995 HYOGOKEN-NANBU EARTHQUAKE

Eiji Sato, Tetsuo Watanabe, Yoshio Hirai, 1997 .

DEVELOPMENT OF MULTI-BELLED CAST-IN-PLACE CONCRETE PILE CONSTRUCTION METHOD

Shuichi Wakai, Yoshio Hirai, Aoki Masamichi, 2008 .

A water-borne sex pheromone and trail following in the apple snail, Pomacea canaliculata

Yoshio Hirai, Yoichi Yusa, Y. Yusa, 2007 .