SEISMIC DESIGN PROCEDURES FOR SOIL-STRUCTURE INTERACTION

土壤-结构相互作用的抗震设计程序

• 批准号: 07044154
• 负责人: TAKEMIYA Hirokazu
• 金额: $ 5.44万
• 依托单位: OKAYAMA UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for international Scientific Research
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1997
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07044154/
• 关键词: Fault rapture; Soil amplification; Underground structures; Vibration reduction measures; Nonlinear response; Bridge structures; Damage factor; Ultimate seismic safety; 強震動; 軟弱地盤の増幅度; 波動遮断工法(WIB); 地中構造物の地震応答; 断層モデル; 非線形構造応答; 非線形軟弱地盤応答; 環境振動; Fault rapture; Soil amplification; Underground structures; Vibration reduction measures; Nonlinear response; Bridge structures; Damage factor; Ultimate seismic safety; 強震動; 軟弱地盤の増幅度; 波動遮断工法(WIB); 地中構造物の地震応答; 断層モデル; 非線形構造応答; 非線形軟弱地盤応答; 環境振動

(1) In order to investigate the inland type earthquake motions, fault rapture mechanics is analyzed by applying the dislocation theory to layred ground. The simulation results are compared with the observation data of past strong motions. Derived is the features of inland type ground motions.(2) Seismic wave amplification is investigated for the alluvium soil in view of the irregular boundary with the diluvium. The wave interference mechanism is clarified in connection with Kobe case.(3) In view of the impulsive ground motions in Hyogoken Nanbu Earthaquqake, certain impulse loads are applied to RC structures in order to interpret the stress transmission within the constitutive concrete members. The possibility of tensile stress failure is stressed.(4) Bridge piers are analyzed with attention to the nonlinear behavior of the reinforced concrete members as well as of the soiles. Dynamic soil-structure interaction is taken into account for the response evaluation. The seismic damage factors are assessed in terms of the ductility and repetition of hysteretic mechanism.(5) Underground structures are analyzed by taking account of the nonlinear characteristic of the neighboring soil.

（1）为了研究内陆型地震运动，通过将脱位理论应用于地面来分析断层狂欢力学。将仿真结果与过去强烈动作的观察数据进行了比较。衍生是内陆型地面运动的特征。（2）鉴于与diluvium的不规则边界，研究了冲积土壤的地震波扩增。 （3）鉴于Nanbu Earthaquqake的冲动地面运动，将波浪干扰机制阐明。 （4）分析桥墩的可能性。响应评估考虑了动态的土壤结构相互作用。根据滞后机制的延展性和重复来评估地震损伤因子。（5）通过考虑相邻土壤的非线性特征来分析地下结构。