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2022 Fiscal Year Final Research Report

Analysis of wind pressure distribution of low-rise buildings in urban area and its influencing parameters based on full-scale measurement during typhoons

Research Project

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Project/Area Number 20H02415
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 25030:Disaster prevention engineering-related
Research InstitutionKyoto University

Principal Investigator

Nishijima Kazuyoshi  京都大学, 防災研究所, 准教授 (80721969)

Co-Investigator(Kenkyū-buntansha) 林 泰一  京都大学, 東南アジア地域研究研究所, 連携教授 (10111981)
丸山 敬  京都大学, 防災研究所, 教授 (00190570)
高橋 徹  千葉大学, 大学院工学研究院, 教授 (10226855)
友清 衣利子  熊本大学, 大学院先端科学研究部(工), 准教授 (30346829)
伊藤 耕介  琉球大学, 理学部, 准教授 (10634123)
Project Period (FY) 2020-04-01 – 2023-03-31
Keywords風圧 / 実測 / 計測技術開発 / 非定常 / 風洞実験 / 3Dプリンタ / 点群データ
Outline of Final Research Achievements

Main achievements from this research project are as follows:(1) Development of pressure measurement module with absolute pressure sensor and on-demand wind pressure measurement system therewith;(2) clarification of possible mechanisms of causing peak pressures on building surfaces that are currently not considered in wind pressure evaluation procedure, by means of simultaneous measurement of wind speed and wind pressure during the passage of typhoons; (3) Clarification of possible surrounding obstacles that affect wind pressure of low-rise building surfaces, by means of wind tunnel experiments with different surrounding conditions regarding obstacle placement configurations.

Free Research Field

風工学

Academic Significance and Societal Importance of the Research Achievements

本研究成果の学術的意義は、これまでほとんど実測がなされてこなかったことから、その性状が不明であった、低層建築物に作用する風圧力および急激な負圧の発生メカニズムの解明につながる計測技術と初期の観測結果を提供したことである。また、風圧力および急激な負圧の発生メカニズムが解明されることで、低層建築物の強風被害の低減や、より合理的な耐風設計への道が開かれることが社会的意義である。

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Published: 2024-01-30  

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