Ishihara Tadashi

Affiliation and department：
Job title： Professor
Homepage URL (1)： https://www.tishihar.net/

Research field (1)： Building structures and materials

Research keywords (5)： Steel structure , Earthquake Engineering , Nonstructural component , Structural dynamics , Uplift

Research theme for competitive and other funds (17)：

2023 - 2027 偏心のある建物に設置される天井の地震応答評価
2023 - 2027 偏心のある建物に設置される天井の地震応答評価
2020 - 2024 高耐震性を有する直接基礎建物を可能とする既存杭を活用した複合地盤の開発
2016 - 2019 Fundamental study on seismic design of building structures allowed to uplift considering dynamic soil-structure interaction
2014 - 2017 Evaluation of stability of lightweight steel sheet steel structure and its application to efficient shape and form development of earthquake resistant structure

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Papers (118)：

Tadashi Ishihara, Yutaka Morishita. RESPONSE REDUCTION EFFECT DUE TO UPLIFT IN FREE VIBRATION OF VERTICAL HYBRID BUILDINGS. Journal of Structural and Construction Engineering (Transactions of AIJ). 2026. 91. 843. 633-642
Sora Hagiwara, Daiki Sato, Sono Yanagiya, Yinli Chen, Alex Shegay, Shoichi Kishiki, Tadashi Ishihara, Shojiro Motoyui, Yuzi Huang. Identification of Natural Frequency and Damping Ratio of Partition Wall from Earthquake Observation Records. Proceedings of Sixth International Workshop on Seismic Performance of Non-Structural Elements (SPONSE). 2026
Yusuke Oki, Shoichi Kishiki, Tadashi Ishihara. Damage Behavior of Light Gauge Steel Partition Wall under In-plane and Out-of-plane External Forces. Proceedings of Sixth International Workshop on Seismic Performance of Non-Structural Elements (SPONSE). 2026
Haruki Yamaguchi, Tadashi Ishihara, Yusuke Oki. Shaking Table Test of Seismic-Resistant Ceiling Systems with Asymmetric Mass or Stiffness Distribution. Proceedings of Sixth International Workshop on Seismic Performance of Non-Structural Elements (SPONSE). 2026
YAMAGUCHI Yuto, MIKI Norihito, ISHIHARA Tadashi, KIKITSU Hitomitsu. Experiments on the reinforcement of insert plate in axial members with single-shear-type joints. 2025. Vol. 33. 628-634

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MISC (215)：

柏尚稔, 井上波彦, 喜々津仁密, 土屋直子, 石原直. 建築物更新時の既存杭活用に向けた技術的検討. 月刊積算資料公表価格版2026 年3 月号及び (一財)経済調査会webサイト. 2026
Sora Hagiwara, Daiki Sato, Yinli Chen, Shoichi Kishiki, Tadashi Ishihara, Yuzi Huang. Evaluation of natural frequency and damping of LGS partition walls based by using curve-fit method. 2025. I. 457-460
YAMAGUCHI Yuto, ISHIHARA Tadashi, MIKI Norihito. Evaluation Method of Compression Strength of Axial Member with Single-shear Bolted Joints. 2025. I. 485-488
Kohei Miyamura, ISHIHARA Tadashi. Seismic Response of Spacious Secondary Systems Installed in Multi-Story Asymmetric Buildings. 2025. I. 553-556
MORISHITA Yutaka, ISHIHARA Tadashi. Modal Analysis of Uplifting Behavior of Vertical Hybrid Building Structures. 2025. I. 465-468

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Books (3)：

Research and Development for Regeneration and Resilience of Cities by the Rationalization of Structural Regulation Related to Buildings and Ground
National Institute for Land and Infrastructure Management, MLIT 2025
Phenomena and Analyses of Dynamic Soil-Structure Interaction
Architectural Institute of Japan 2024 ISBN:9784818906815
大規模空間吊り天井の脱落被害メカニズム解明のためのE-ディフェンス加振実験報告書 -大規模空間吊り天井の脱落被害再現実験および耐震吊り天井の耐震余裕度検証実験-
防災科学技術研究所 2015

Lectures and oral presentations (139)：

Compressive strength of axial members with single shear-type joints using insert plates with rib plates Part 2: Evaluation of compressive strength
(2026)
Experimental study on seismic response of conventional seismic-resistant ceilings with mass or stiffness eccentricity
(2026)
Compressive strength of axial members with single shear-type joints using insert plates with rib plates Part 1:Experimental and analytical study
(2026)
Seismic Response Reduction Effect of Vertical Hybrid Buildings Allowed to Uplift
(2026)
Analysis of response characteristics and evaluation of natural frequency and damping of LGS partition walls based on observation records
(2025)

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Education (3)：

Work history (10)：

2024/10 - 現在 Institute of Science Tokyo Institute of Integrated Research Professor
2022/04 - 2024/09 Tokyo Institute of Technology Institute of Innovative Research Professor
2018/04 - 2022/03 National Institute for Land and Infrastructure Management Building Dept. Head
2011/04 - 2018/03 Building Research Institute
2003/11 - 2011/03 National Institute for Land and Infrastructure Management Building Dept.

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Committee career (67)：

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Awards (2)：

Association Membership(s) (2)：

ARCHITECTURAL INSTITUTE OF JAPAN , JAPAN ASSOCIATION FOR EARTHQUAKE ENGINEERING

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