Osamu Matsuo
Ministry of Construction
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Featured researches published by Osamu Matsuo.
Archive | 2000
Fumihiro Hara; Shin Sasaki; Jyun Hijikata; Osamu Matsuo; Yasuhiro Itoh
This paper discusses a history of ground subsidence in the Noubi plains, which is one of the largest zero-meter areas in Japan, based on the past data on groundwater level and ground subsidence. Noubi plains span across the three Prefectures in the central Japan, namely Aichi, Gifu and Mie; they are alluvial plains located in downstream of the Kiso, Nagara, Ibi, and Syounai Rivers, with an area totalling about 1,485 km2. Results of analyses on correlation between the groundwater level and ground compaction revealed that after the groundwater levels turned for the rise, a decrease of 0.6 mm was observed in the monthly ground compaction for every 1.0 m of rise in the monthly average groundwater level. Thus, it is important to keep seasonal changes in groundwater level at a minimum in order to prevent ground subsidence, at the same time promoting the recovery of groundwater level.
Soils and Foundations | 1990
Yasuyuki Koga; Osamu Matsuo
Soils and Foundations | 1997
Osamu Matsuo; Yasuyuki Koga
Soils and Foundations | 1996
Osamu Matsuo
Soils and Foundations | 2000
Osamu Matsuo; Takao Shimazu; Ryosuke Uzuoka; Masaya Mihara; Kunio Nishi
Soils and Foundations | 1997
Osamu Matsuo; Yoshio Ninomiya; Tadashi Yoshida
Soils and Foundations | 1998
Osamu Matsuo; Shuji Tanaka
Soils and Foundations | 2002
Osamu Matsuo; Yukiko Saito; Tetsuya Sasaki; Koichi Kondoh; Takashi Sato
Soils and Foundations | 2002
Mitsu Okamura; Osamu Matsuo
Soils and Foundations | 2000
Osamu Matsuo; Tetsuya Sasaki; Kazuo Saito; Masayoshi Yamashita