Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Junichi Hirao is active.

Publication


Featured researches published by Junichi Hirao.


Doboku Gakkai Ronbunshuu C | 2007

A STUDY FOR CHARACTERISTIC OF VERTICAL BEARING CAPACITY OF FOOTING FOUNDATION WITH SHEET PILES BY STATIC LOADING TEST

Hidetoshi Nishioka; Masayuki Koda; Masaru Tateyama; Osamu Murata; Junichi Hirao; Shunichi Higuchi

筆者らは,仮土留め用鋼矢板を本設利用する鋼矢板併用直接基礎(シートパイル基礎)を提案している.シートパイル基礎は,鋼矢板による地盤拘束効果等の補強効果が期待できることから,従来は直接基礎では支持力不足となるN値30未満の地盤においても杭が不要となる.本研究では,このシートパイル基礎の鉛直支持力特性を把握するため,模型地盤における静的鉛直載荷実験を行った.その結果,直接基礎に比べて極限支持力が上昇し,ピーク荷重後の荷重低下幅が抑制される改良効果が確認できた.また改良効果の発現メカニズムについて考察を行い,シートパイルによる地盤拘束による支持力の上昇効果だけではなく,地盤とシートパイル側面の拘束が強まり周面摩擦力が上昇する効果が期待できることを明らかとした.


Archive | 2005

Sheet pile-combined spread foundation and its construction method

Junichi Hirao; Masayuki Kanda; Osamu Murata; Hidetoshi Nishioka; Mitsuo Tono; 淳一 平尾; 修 村田; 光男 東野; 政幸 神田; 英俊 西岡


Archive | 2004

Bearing capacity increasing method, construction method of sheet pile foundation, sheet pile foundation and bridge

Junichi Hirao; Masayuki Kanda; Osamu Murata; Hidetoshi Nishioka; Junji Sakimoto; Koichi Tanaka; Mitsuo Tono; 純治 崎本; 淳一 平尾; 修 村田; 光男 東野; 浩一 田中; 政幸 神田; 英俊 西岡


Quarterly Report of Rtri | 2008

Development of Sheet-Pile Foundation that Combines Footing with Sheet Piles

Hidetoshi Nishioka; Masayuki Koda; Junichi Hirao; Shunichi Higuchi


Archive | 2003

Pier / abutment base joint type reinforcing structure

Shunichi Higuchi; Junichi Hirao; Yoshimi Hosoya; Masayuki Kanda; Osamu Murata; Hidetoshi Nishioka; Mitsuo Tono; 淳一 平尾; 修 村田; 光男 東野; 俊一 樋口; 政幸 神田; 芳巳 細谷; 英俊 西岡


Archive | 2010

FOUNDATION FOR STRUCTURE AND METHOD FOR CONSTRUCTING THE SAME

Junichi Hirao; Masayuki Kanda; Hidetoshi Nishioka; Tadahisa Yamamoto; Tomoaki Yokoyama; 忠久 山本; 淳一 平尾; 知昭 横山; 政幸 神田; 英俊 西岡


Doboku Gakkai Ronbunshuu C | 2009

FULL-SCALE LOADING TEST OF THE SHEET-PILE FOUNDATION

Hidetoshi Nishioka; Masayuki Koda; Junichi Hirao; Mitsuo Higashino; Tomoaki Maeda; Kinji Fujita; Masahiro Kondo


Archive | 2008

Construction method for construction joint part of underground wall and underground wall

Junichi Hirao; Akio Inazumi; Takumi Suzuki; Mitsuo Tono; 淳一 平尾; 光男 東野; 明夫 稲積; 巧 鈴木


Journal of Japan Society of Civil Engineers | 2008

A STUDY FOR CHARACTERISTIC OF LATERAL RESISTANCE OF FOOTING FOUNDATION WITH SHEET PILES BY STATIC LOADING TEST

Hidetoshi Nishioka; Masayuki Koda; Masaru Tateyama; Naoyuki Kita; Junichi Hirao; Shunichi Higuchi


Archive | 2006

SUPPORTING STRUCTURE AND CONSTRUCTION METHOD FOR STRUCTURE FOUNDATION

Junichi Hirao; Masayuki Kanda; Osamu Murata; Hidetoshi Nishioka; Masaru Tateyama; Natsuko Tsuji; 淳一 平尾; 修 村田; 政幸 神田; 勝 舘山; 英俊 西岡; 奈津子 辻

Collaboration


Dive into the Junichi Hirao's collaboration.

Top Co-Authors

Avatar

Osamu Murata

Railway Technical Research Institute

View shared research outputs
Top Co-Authors

Avatar

Masayuki Koda

East Japan Railway Company

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Masaru Tateyama

Railway Technical Research Institute

View shared research outputs
Top Co-Authors

Avatar
Researchain Logo
Decentralizing Knowledge