Improvement of Structural Safety against Near-Field Earthquake in Urban Areas

提高城市地区近场地震结构安全性

• 批准号: 08248103
• 负责人: OTANI Shunsuke
• 金额: $ 75.33万
• 依托单位: The University of Tokyo
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research on Priority Areas
• 财政年份: 1996
• 资助国家: 日本
• 起止时间: 1996 至 1999
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-08248103/
• 关键词: Earthquake resistant structures; steel structures; reinforced concrete structures; experimental study; analytical studies; energy dissipating devices; shock absorbing devices; finite element analysis; 耐震設計法; 復元力特性; 非線形地震応答解析; 有限要素法; 都市構造物; 制振

The objectives of the research are (a) to investigate the cause of structural damage in buildings, elevated highway and bridges, railway overpasses, considering the characteristics of strong ground motion during the hyogo-Ken Nanbu Earthquake, (b) to study the cause of heavy damage in underground structures such as the subway in Kobe City and (c) to develop new advanced civil infra-facilities using response control devices and to establish a new design for earthquake resistant structures of important roles.The final research results includes ; 1. prediction of inelastic seismic response and damage of thin-walled steel bridge piers, 2. new mathematical model for predicting member force-deflection relation considering constitutive model developed for confined concrete as well as simple shear design equations, 3. effect of temperature and strain rate on fracture toughness of structural steel, 4. advanced unseating prevention of bridge by shock absorbing device made of rubber, and development of model predicting mechanical properties of rubber laminated bearing for base isolation system, 5. effect of vertical vibration of floor slab by vertical excitation on non-linear structural response of R/C frame structure, and 6. development of dynamic nonlinear FEM program dealing with R/C structures with multi-directional cracks applicable to under ground structure.

本研究的目的是：（a）考虑到兵库县南部地震中强地面运动的特点，调查建筑物、高架公路和桥梁、铁路立交桥的结构损坏原因，（B）研究科比市地铁等地下结构严重损坏的原因;（c）开发新的先进民用基础设施，研究成果主要包括：1.对建筑结构的抗震设计具有重要的指导意义。薄壁钢桥墩的弹塑性地震反应和损伤预测; 2.考虑约束混凝土本构模型和简单抗剪设计方程，建立了预测构件力-挠度关系的新数学模型;温度和应变速率对结构钢断裂韧性影响;提出了利用橡胶减震装置防止桥梁脱空的方法，建立了橡胶支座隔震体系力学性能预测模型。竖向激励下楼板竖向振动对框架结构非线性响应影响;编制了适用于地下结构的钢筋混凝土结构多向裂缝动力非线性有限元程序。

项目成果

桑村仁、伊山潤: "シャルピー衝撃試験片と実大破壊部材の破面相関"日本建築学会構造系論文集. 508. 127-133 (1998)

Hitoshi Kuwamura，Jun Iyama：“夏比冲击试验样本和全尺寸断裂构件的断裂表面的相关性”日本建筑学会结构工程学报 508. 127-133 (1998)。

阿部雅人、藤野陽三、Yi ZHENG、Krzsyzt of WILDE: "制震デバイスとしての極軟鋼の低サイクル疲労特性とそのモデル"第2回構造物の非線形数値解析と耐震設計への応用に関する論文集.

Masato Abe、Yozo Fujino、Yi ZHENG、WILDE 的 Krzsyzt：“作为阻尼装置的极低碳钢的低周疲劳特性及其模型”关于结构非线性数值分析及其在抗震设计中的应用的论文集第二期。

Salem,H., Hauke,B. and Maekawa,K.: "Fracture of concrete cover-its effect on tension-stiffning and modeling"Concrete Library of JSCE. No.34. (1999)

塞勒姆，H.，豪克，B.

Watanabe,F., Assa,Beni and Mishiyama,M.: "Failure Mechanism and Stress Strain Idealization of Confined High Strength Concrete"High Strength Concrete ASCE. (1999)

Watanabe,F.、Assa,Beni 和 Mishiyama,M.：“约束高强度混凝土的失效机制和应力应变理想化”高强度混凝土 ASCE。

Kato, T., Takahashi, Y., and Iemura, H.: "Earthquake Design and Construction of Tall Composite Bridge Piers"Proceedings of 12th World Conference on Earthquake Engineering. (2000)

Kato, T.、Takahashi, Y. 和 Iemura, H.：“高复合桥墩的地震设计与施工”第十二届世界地震工程会议论文集。