Numerical simulation of strong seismic response of single-layer cylindrical lattice shell considering infill wall effects

IF 3.8 2区工程技术 Q2 ENGINEERING, GEOLOGICAL

Bulletin of Earthquake Engineering Pub Date : 2025-04-07 DOI:10.1007/s10518-025-02151-8

Gui-bo Nie, Yu-jie Shi, Wen Bai, Yu-zhu Shang, Hui Li, Zhi-nan Xie, Xu-dong Zhi

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Abstract

Numerical simulations and physical experiments stand out as the two most effective approaches for scrutinizing the seismic performance of single-layer cylindrical shell structures in large-span spaces. Given the substantial demands on labor and material resources entailed by experiments, numerical simulation has progressively emerged as the predominant method for probing the robust seismic response behavior of structures. In this study, ABAQUS was employed to construct finite element models for both the shaking table tests of shells, one without an infill wall and the other with an infill wall. The analysis encompassed self-oscillation characteristics and dynamic time courses. The findings indicated a commendable alignment between the numerical simulation results and the experimental outcomes. Furthermore, a judicious equivalent modeling method for the infill wall was introduced. The dynamic response analysis revealed that the seismic-induced damage to the infill wall significantly impacts the dynamic characteristics of the single-layer cylindrical shell, resulting in diminished structural ductility and ultimate bearing capacity.

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考虑填充墙效应的单层圆柱格构壳体强震响应数值模拟

数值模拟和物理实验是研究大跨度空间中单层圆柱壳结构抗震性能的两种最有效的方法。考虑到实验对人力物力的巨大需求，数值模拟逐渐成为研究结构鲁棒地震反应行为的主要方法。本研究采用ABAQUS软件对无填充墙和有填充墙两种壳体的振动台试验分别建立有限元模型。分析包括自振荡特性和动态时间过程。结果表明，数值模拟结果与实验结果非常吻合。此外，还介绍了一种合理的充填墙等效建模方法。动力响应分析表明，地震损伤对单层圆柱壳的动力特性产生显著影响，导致结构延性和极限承载力降低。

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来源期刊

Bulletin of Earthquake Engineering 工程技术-地球科学综合

CiteScore

8.90

自引率

19.60%

发文量

263

审稿时长

7.5 months

期刊介绍： Bulletin of Earthquake Engineering presents original, peer-reviewed papers on research related to the broad spectrum of earthquake engineering. The journal offers a forum for presentation and discussion of such matters as European damaging earthquakes, new developments in earthquake regulations, and national policies applied after major seismic events, including strengthening of existing buildings. Coverage includes seismic hazard studies and methods for mitigation of risk; earthquake source mechanism and strong motion characterization and their use for engineering applications; geological and geotechnical site conditions under earthquake excitations; cyclic behavior of soils; analysis and design of earth structures and foundations under seismic conditions; zonation and microzonation methodologies; earthquake scenarios and vulnerability assessments; earthquake codes and improvements, and much more. This is the Official Publication of the European Association for Earthquake Engineering.