Seismic performance evaluation of underground reinforced concrete

地下钢筋混凝土抗震性能评价

• 批准号: 07455180
• 负责人: MAEKAWA Koichi
• 金额: $ 4.67万
• 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 (B)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1996
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07455180/
• 关键词: constitutive law for reinforced concrete; underground structures; shear; hydration; multi-directional cracking; 鉄筋コンクリート; 地中構造物; 相互作用; 耐震設計; 保有機能

Boundary characteristics of foundation and reinforced concrete : Plane shear test for interface between sandy soil and concrete was conducted and a boundary interface element to take into account friction and cohesive bond was successfully developed. Asensitivity analysis was carried out for boundary properties to dynamic response of underground structures.3D-RC constitutive law : Multi-directional cracks were numerically handled by the path-dependent constitutive model and implemented into layr 3D Mindlin plate finite element and solid RC scheme.Box-type shell under 3D cyclic actions : Eccentric force which creates coupled in-plane and out-of-plane actions was applied to the 3D space box frames. With this experimental data, the nonlinear FEM program developed was examined and verified.Seismic performance evaluation : Uunderground urban road tunnel passing through soft foundation, RC casing foundation and RC framed subway station were targeted, and developed nonlinear dynamic analysis was applied. These results served to draft the JSCE proposal on seismic performance evaluation check.

地基与钢筋混凝土的边界特性：对砂土与混凝土界面进行平面剪切试验，成功开发出考虑摩擦力和粘聚力的边界界面单元。对地下结构动力响应的边界特性进行了敏感性分析。3D-RC本构定律：通过路径相关本构模型对多向裂缝进行数值处理，并将其实现为层状3D Mindlin板有限元和实体RC方案。 3D 循环作用下的型壳：将产生耦合面内和面外作用的偏心力应用于 3D 空间盒框架。以此实验数据对开发的非线性有限元程序进行了检验和验证。 抗震性能评估：以地下城市公路隧道穿越软弱地基、RC套管基础和RC框架地铁站为对象，应用先进的非线性动力分析方法。这些结果有助于起草 JSCE 关于抗震性能评估检查的提案。

项目成果

Irawan, P.and Maekawa, K.: "Path dependent nonlinear analysis of RC/shells" Proc.of JSCE. No.557/V-34. 121-134 (1997)

Irawan, P. 和 Maekawa, K.：“RC/shell 的路径相关非线性分析”Proc.of JSCE。

Irawan,P. and Maekawa,K.: "経路依存性を考慮した鉄筋コンクリートシェルの非線形解析" 土木学会論文集第5部門. 557/V-34. 121-134 (1997)

Irawan, P. 和 Maekawa, K.：“考虑路径依赖性的钢筋混凝土壳的非线性分析”，日本土木工程师学会汇刊，第 5 部分。 557/V-34 (1997)。

An, X.and Maekawa, K.: "Numerical evaluation of overall seismic performance of underground RC structures" Proc.of 2^<ND> symposium on Hanshin-Awaji earthquake, JSCE. 429-436 (1997)

An, X. 和 Maekawa, K.：“地下 RC 结构整体抗震性能的数值评估”Proc.of 2^<ND> 阪神淡路地震研讨会，JSCE。

A.Shawky,前川宏一: "Collapse mechanism of underground RC structures during Hanshin Great Earthquake" Cairo lst int.conf.on Concrete structures.Vol.2. (1996)

A.Shawky、Koichi Maekawa：“阪神大地震期间地下 RC 结构的倒塌机制”开罗 lst int.conf.on 混凝土结构.Vol.2 (1996)。

Shawky,A.,Ar,X. and Maekawa,K.: "Collapse mechanism of subway station during Hanshin Great Earthquake" Journal of Cement and Concrete Composite. (発表予定). (19967)

Shawky, A.、Ar, X. 和 Maekawa, K.：“阪神大地震期间地铁站的倒塌机制”《水泥与混凝土复合材料杂志》（即将出版）。