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带耗能复合墙钢框架抗震性能的数值研究

Numerical Investigation of the Seismic Performance of Steel Frames with Energy-Dissipating Composite Walls.

作者信息

Wei Ding, Suizi Jia

机构信息

School of Engineering and Technology, China University of Geosciences, No. 29, Xueyuan Road, Haidian District, Beijing 100083, China.

出版信息

Materials (Basel). 2022 Jan 21;15(3):828. doi: 10.3390/ma15030828.

DOI:10.3390/ma15030828
PMID:35160774
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8836796/
Abstract

To improve the seismic performance of steel frame buildings in rural areas, an energy-dissipating composite wall (EDCW) assembled from concrete-filled steel tubular columns and concrete sheet walls was designed. Cyclic loading tests were simulated using the finite element method (FEM) to analyse the seismic performance of the EDCW. The reliability of numerical modelling and analysis was verified by comparing the hysteretic curves obtained by the finite element model with those obtained by previous experiments. The EDCW was designed for installation in a two-storey steel frame, and the FEM was used to determine the seismic performance of the steel frame, including the deformation and failure characteristics, hysteresis curves, and skeleton curves. The numerical simulation results showed that the EDCW dissipated most of the seismic energy and thus substantially improved the seismic performance of the frame. The seismic performances of 16 frames were compared to investigate the effects of the span ratio of the steel frame to the EDCW, the installation location of the EDCW, and the stiffness of the steel frame on the seismic performance of the frame.

摘要

为提高农村地区钢框架建筑的抗震性能，设计了一种由钢管混凝土柱和混凝土墙板组装而成的耗能复合墙（EDCW）。采用有限元法（FEM）模拟循环加载试验，以分析EDCW的抗震性能。通过将有限元模型得到的滞回曲线与先前试验得到的滞回曲线进行比较，验证了数值建模与分析的可靠性。EDCW设计用于安装在两层钢框架中，采用有限元法确定钢框架的抗震性能，包括变形和破坏特征、滞回曲线和骨架曲线。数值模拟结果表明，EDCW耗散了大部分地震能量，从而显著提高了框架的抗震性能。比较了16个框架的抗震性能，以研究钢框架与EDCW的跨度比、EDCW的安装位置以及钢框架的刚度对框架抗震性能的影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/2989c89558f2/materials-15-00828-g019.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/2989c89558f2/materials-15-00828-g019.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/5edb7dd2d619/materials-15-00828-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/3d00a97b786c/materials-15-00828-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/d672d32e17d8/materials-15-00828-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/05b6d866efd2/materials-15-00828-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/9473f71f9bc0/materials-15-00828-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/3031b1cf7e85/materials-15-00828-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/2e67d4863e3a/materials-15-00828-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/bb43e248cdda/materials-15-00828-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/a78ba7eb89b8/materials-15-00828-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/d7c9a11f233d/materials-15-00828-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/a70c5bf1e215/materials-15-00828-g015a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/a973391c194c/materials-15-00828-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/8ad6cec97b1e/materials-15-00828-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/dffda113ad97/materials-15-00828-g018.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/822f/8836796/2989c89558f2/materials-15-00828-g019.jpg

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本文引用的文献

1
Low reversed cyclic loading tests for integrated precast structure of lightweight wall with single-row reinforcement under a lightweight steel frame.轻钢框架下单排配筋轻质墙集成预制结构的低周反复加载试验
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