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

(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，将断层位错理论应用于层状场地，分析了断层破裂的力学机制。将模拟结果与以往的强震观测资料进行了比较。导出了内陆型地震动的特征。(2)针对冲积土与洪积体边界不规则的特点，研究了其对地震波的放大作用。结合科比的情况，阐明了波的干涉机理。(3)针对兵库县南部地震中的冲击地震动，对钢筋混凝土结构施加一定的冲击荷载，以解释混凝土本构构件中的应力传递。强调了拉应力破坏的可能性。(4)桥墩的非线性行为的钢筋混凝土构件以及土壤的分析。考虑土-结构动力相互作用的响应评估。从延性和滞回机理的重复性两个方面对结构的地震损伤因子进行了评估。(5)地下结构的分析考虑了邻近土体的非线性特性。

项目成果

竹宮宏和 土木学会構造工学委員会 計算力学小委員会: "構造工学における計算力学の基礎と応用 第5章5.3動弾性問題の解法" 土木学会, 10 (1996)

Hirokazu Takemiya，日本土木工程师学会结构工程委员会，计算力学小组委员会：“结构工程中计算力学的基础和应用第5章5.3动态弹性问题的解决方案”日本土木工程师学会，10（1996）

竹宮 宏和: "衝撃的地震入力動によるRC橋脚の引張破壊とその対策" 第24回地震工学研究発表会講演論文集. 1029-1032 (1997)

Hirokazu Takemiya：“脉冲地震输入引起的RC桥墩拉伸破坏及其对策”第24届地震工程研究会议论文集1029-1032（1997）。

竹宮宏和: "兵庫県南部地震における神戸の楔型中積地盤の非線形増幅特性" 阪神・淡路大震災に関する学術講演会論文集. 79-84 (1997)

Hirokazu Takemiya：“兵库县南部地震期间神户楔形中间地基的非线性放大特性”阪神淡路大地震学术会议论文集79-84（1997）。

Takemiya, Hirokazu: "2D NONLINEAR SEISMIC CROUND ANALYSIS BY FEM-BEM:THE CASE OF KOBE IN THE HYOGO-KEN NANBU EARTHQUAKE" Structural Eng./Earthquake Eng.JSCE.Vol.15,No.l. 19-27 (1998)

Takemiya, Hirokazu：“FEM-BEM 的二维非线性地震场分析：兵库县南部地震中的神户案例” Structural Eng./Earthquake Eng.JSCE.Vol.15，No.l.

Hirokazu, Takemiya: "3-D transient response characteristics of soil stratum due to moving loads" No.563/I-39. 137-148 (1997)

Hirokazu，Takemiya：“移动荷载引起的土层的 3-D 瞬态响应特性”No.563/I-39。