Comparison of different models for high damping rubber bearings in seismically isolated bridges

Tubaldi E.; Mitoulis S. A.; Ahmadi H.

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Comparison of different models for high damping rubber bearings in seismically isolated bridges

机译：隔震桥梁中高阻尼橡胶轴承不同模型的比较

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Steel-reinforced high damping natural rubber (HDNR) bearings are widely employed in seismic isolation applications to protect structures from earthquake excitations. In multi-span simply supported bridges, the HDNR bearings are typically placed in two lines of support, eccentric with respect to the pier axis. This configuration induces a coupled horizontal-vertical response of the bearings, mainly due to the rotation of the pier caps. Although simplified and computationally efficient models are available, which neglect the coupling between the horizontal and vertical response, their accuracy has not been investigated to date.

机译：钢制高阻尼天然橡胶（HDNR）轴承广泛用于地震隔离应用中，以保护结构免受地震激发。在多跨度简单支撑桥中，HDNR轴承通常放置在相对于墩轴线偏心的两条支撑线中。这种构造主要由于墩盖的旋转而引起轴承的水平耦合响应。尽管可以使用简化且计算效率高的模型，该模型忽略了水平响应和垂直响应之间的耦合，但是迄今为止尚未研究其准确性。

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来源
《Soil Dynamics and Earthquake Engineering》 |2018年第1期|329-345|共17页
作者
Tubaldi E.; Mitoulis S. A.; Ahmadi H.;
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作者单位

Univ Strathclyde Dept Civil & Environm Engn 75 Montrose St Glasgow G1 1XJ Lanark Scotland;

Univ Surrey Fac Engn & Phys Sci Dept Civil & Environm Engn Guildford GU2 7XH Surrey England;

TARRC Brickendon Lane Brickendonbury Herts England;

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正文语种 eng
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关键词
Seismic isolation; Bridges; Multi-span simply-supported (MSSS) deck; High damping natural rubber (HDNR) bearings; Vertical behaviour; Simplified models;

机译：地震隔离桥梁;多跨简易支撑（MSSS）甲板;高阻尼天然橡胶（HDNR）轴承;垂直行为;简化模型;

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专利

1. Comparison of different models for high damping rubber bearings in seismically isolated bridges [J] . Tubaldi E., Mitoulis S. A., Ahmadi H. Soil Dynamics and Earthquake Engineering . 2018,第Jana期

机译：隔震桥梁中高阻尼橡胶轴承不同模型的比较
2. Seismic Responses of a Bridge Pier Isolated by High Damping Rubber Bearing: Effect of Rheology Modeling [J] . Khan A. K. M. T. A., Bhuiyan M. A. R., Ali S. B. International Journal of Civil Engineering,Transaction A:Civil Engineering . 2019,第11期

机译：高阻尼橡胶支座隔震桥墩的地震响应：流变模型的影响
3. Seismic response of isolated bridge with high damping rubber bearings: Self-heating effect at subzero temperatures [J] . Yoshiaki Okui, Keisuke Nakamura, Takashi Sato, Steel construction . 2019,第1期

机译：带有高阻尼橡胶轴承的隔离桥的地震响应：零以下温度下的自热效应
4. Seismic Response Assessment of Base-Isolated Bridges accounting for the Stress-Softening Behaviour of High Damping Natural Rubber Bearings [C] . E. Tubaldi, H. Ahmadi, A. Muhr, Proceedings of the Fifteenth international conference on civil, structural and environmental engineering computing . 2015

机译：考虑高阻尼天然橡胶轴承应力软化行为的基础隔震桥梁地震响应评估
5. Improved Simplified Methods for Effective Seismic Analysis and Design of Isolated and Damped Bridges in Western and Eastern North America. [D] . Koval, Viacheslav. 2015

机译：北美西部和东部隔震和减震桥梁的有效地震分析和设计的改进简化方法。
6. Comparing Rubber Bearings and Eradi-Quake System for Seismic Isolation of Bridges [O] . Chang Beck Cho, Young Jin Kim, Won Jong Chin, 2020

机译：比较橡胶轴承和Eradi-Quake系统用于桥梁的地震隔离
7. Comparison of different models for high damping rubber bearings in seismically isolated bridges [O] . E. Tubaldi, S.A. Mitoulis, H. Ahmadi 2018

机译：地震隔离桥梁高阻尼橡胶轴承不同型号的比较

Comparison of different models for high damping rubber bearings in seismically isolated bridges

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