A General Seismic Design Method of Bridge Structures with the Object of Functional Assurance

以功能保证为目标的桥梁结构抗震通用设计方法

• 批准号: 08305015
• 负责人: USAMI Tsutomu
• 金额: $ 4.03万
• 依托单位: Nagoya University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 1996
• 资助国家: 日本
• 起止时间: 1996 至 1998
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-08305015/
• 关键词: Bridge; Seismic design; Residual Displacement; Restoration; Seismic Isolator; Functional Preservation; Damage Index; Collapse; 橋染システム

The present study is aimed at a developing general seismic design method of bridge structures with the object of assurance. For this purpose, various proposals for improvement on the functional preservation of bridge structures are shown, based on analytical and experimental results.1) Present state and research subjects of seismic design and seismic analysis of steel structuresPresent state of earthquake-resistant design of steel structures is outlined on the basis of first and second suggestions on the earthquake-resistant design of Japan Soc. of Civil Engineers. And important research subjects are summarized.2) Estimation of input earthquake motion and approach of the seismic loadThe fluctuation of the elasto-plastic seismic response of the structure is evaluated by applying a set of imitated earthquake ground motions with the equal acceleration response spectra. Discussion related to hysteresis models of the structure is also presented.3) Steel bridge piersInvestigations on the seismic performance of steel bridge piers with the seismic isolator are carried out. Also, the hysteretic model for pipe-section steel bridge piers is proposed, and its validity is examined by the experimental results. Furthermore, a procedure for the check of ultimate eathquake-resistance design method is developed by applying the seismic elasto-plastic response analysis of a equivalent SDOF system based on the pushover analysis.

本研究旨在发展桥梁结构的通用抗震设计方法，以保证桥梁结构的抗震性能。1)钢结构抗震设计和抗震分析的现状和研究课题。根据日本SOC关于抗震设计的第一和第二建议，概述了钢结构抗震设计的现状。土木工程师。2)输入地震动的估计和地震荷载的逼近采用一组具有相同加速度反应谱的模拟地震动来评估结构弹塑性地震反应的波动。3)钢桥墩对设置隔震器的钢桥墩的抗震性能进行了试验研究。提出了管型钢桥墩的滞回模型，并通过试验验证了该模型的正确性。在此基础上，应用基于Pushover分析的等效单自由度体系的地震弹塑性反应分析，建立了极限抗震设计方法的验算程序。

项目成果

Liu,Q.,Kasai,A.and Usami,T.: "Two Hysteretic Models and Seismic Design of Pipe-section Steel Bridge Piers" 土木学会地震工学委員会 第2回地震時保有耐力法に基づく橋梁の耐震設計に関するシンポジウム講演論文集. 239-247 (1998)

刘Q.、葛西A.、宇佐美T.：“管截面钢桥墩的两种滞回模型与抗震设计” 日本土木工程学会地震工程委员会，第2届基于地震能力的桥梁抗震设计方法 主题研讨会论文集 239-247 (1998)。

小畑誠,栗原 位充,後藤 芳顯: "高エネルギ吸収型耐震連結板の強度および変形特性" 土木学会論文集. No.612/I-46. 239-249 (1999)

Makoto Obata、Imitsu Kurihara、Yoshiaki Goto：“高能量吸收抗震连接板的强度和变形特性”日本土木工程师学会会议记录第 612/I-46 (1999)。

伊藤義人,輪崎博司,宇佐美勉: "インターネット上での鋼構造実験情報公開システムの開発に関する研究" 土木情報システム論文集. Vol.7. 33-40 (1998)

Yoshito Ito、Hiroshi Wasaki、Tsutomu Usami：“互联网上钢结构实验信息公开系统的开发研究”土木工程信息系统杂志第 7 卷（1998 年）。

Sugura, K., Watanabe, E.and Yamaguti, T.: "An Analytical Study on the Optimum Height of Filled-in Concrete and Ductility of Steel Octagonal Section Column" Proc.of the Second Symposium on Nonlinear Numerical Analysis and its Application to Seismic Design

Sugura, K.、Watanabe, E.和 Yamaguti, T.：“填充混凝土最佳高度和八角形钢柱延性的分析研究”第二届非线性数值分析及其应用研讨会论文集

子林 稔,宇佐美勉,葛西 昭: "免震および非免震鋼製橋脚の動的解析による耐震性能評価" 土木学会論文集. 4月に登載予定. (1999)

Minoru Kobayashi、Tsutomu Usami、Akira Kasai：“通过隔震和非隔震钢桥墩的动态分析评估抗震性能”，日本土木工程师学会会议记录，计划于 4 月出版（1999 年）。