[PDF][PDF] 斜拉桥系统地震易损性评估的Pair Copula 技术

宋帅, 吴元昊, 徐佰顺, 吴刚, 张金 - 工程力学, 2021 - researchgate.net
大跨度斜拉桥作为高次超静定结构, 通常包含主塔, 斜拉索, 主梁, 辅助墩及连接墩等较多构件,
由于地震作用下各构件相互影响, 准确模拟构件地震响应之间的相关性对斜拉桥整体系统的易损 …

A deep leaning method for dynamic vibration analysis of bridges subjected to uniform seismic excitation

R Yi, X Li, S Zhu, Y Li, X Xu - Soil Dynamics and Earthquake Engineering, 2023 - Elsevier
The seismic response of a nonlinear, large-span cable-stayed bridge is a key problem in the
assessment of structural safety. We propose an optimized deep learning network to study …

Efficient seismic reliability analysis of non-linear structures under non-stationary ground motions

ZQ Chen, SX Zheng, J Zhang, C Dang, K Wei… - Soil Dynamics and …, 2020 - Elsevier
The seismic reliability assessment (SRA) of complex nonlinear structures which possess
structural and seismic uncertainty is an open challenge for academics and practical …

Life-Cycle Seismic Reliability Analysis of a Railway Cable-Stayed Bridge Considering Material Corrosion and Degradation

J Zhang, Y Hu, X Liu, M Peng - Buildings, 2023 - mdpi.com
To study the life-cycle seismic reliability analysis (SRA) of cable-stayed bridges (CSBs)
taking into account chloride-induced corrosion and degradation of components, an actual …

Seismic reliability analysis of energy-dissipation structures by combining probability density evolution method and explicit time-domain method

J Xian, C Su, H Guo - Structural Safety, 2021 - Elsevier
Hysteretic dampers such as buckling restrained braces (BRBs) have been widely used for
improving the performance of civil structures exposed to seismic hazard. In this study, a …

Pair Copula technique of seismic vulnerability assessment of cable-stayed bridge system

S Shuai, WU Yuan-hao, XU Bai-shun… - Engineering …, 2021 - engineeringmechanics.cn
As a high-order statically indeterminate structure, long-span cable-stayed bridges usually
consist of many components such as main towers, stay cables, main beams, auxiliary piers …

Seismic reliability analysis of cable-stayed bridges subjected to spatially varying ground motions

J Zhang, KJ Chen, YP Zeng, ZY Yang… - … Journal of Structural …, 2021 - World Scientific
To efficiently and accurately evaluate the seismic system reliability analysis (SSRA) of cable-
stayed bridges subjected to spatially varying ground motions, a direct probabilistic …

DPIM-based global reliability analysis method for the cable-stayed bridges and the determination of global target reliability index

Z Zhang, M Tao, B Li, L Wang, G Wei - Engineering Structures, 2024 - Elsevier
This study presents an approach to analyzing the dynamic global reliability of cable-stayed
bridges using the direct probability integral method. The analysis considers the degradation …

Three-dimensional finite element modelling for seismic response analysis of pile-supported bridges

ZR Feng, L Su, HP Wan, Y Luo, XZ Ling… - Structure and …, 2019 - Taylor & Francis
Soil-structure interaction (SSI) is involved in the pile-supported structures. Such effect is
mainly accounted for soil-pile interaction (SPI) driven by the deformation of pile and …

Seismic Damage Probability Assessment of Isolated Girder Bridges Based on Performance under Near-Field Earthquakes

Q Liu, C Yang - Applied Sciences, 2021 - mdpi.com
This paper presents a copula technique for developing seismic fragility curves for an RC
(reinforced concrete) isolated continuous girder bridge, by considering earthquake damage …