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http://dx.doi.org/10.12989/eas.2017.13.5.455

An ESED method for investigating seismic behavior of single-layer spherical reticulated shells  

Zhang, Ming (School of Civil Engineering, Southwest Jiaotong University)
Zhou, Guangchun (School of Civil Engineering, Harbin Institute of Technology)
Huang, Yanxia (School of Civil Engineering, Southwest Jiaotong University)
Zhi, Xudong (School of Civil Engineering, Harbin Institute of Technology)
Zhang, De-Yi (School of Civil Engineering, Southwest Jiaotong University)
Publication Information
Earthquakes and Structures / v.13, no.5, 2017 , pp. 455-464 More about this Journal
Abstract
This paper develops a new method for analyzing the structural seismic behavior of single-layer reticulated shells based on exponential strain energy density (ESED). The ESED method reveals a characteristic point from a relationship between ESED sum and peak seismic acceleration. Then, the characteristic point leads to an updated concept of structural failure and an ESED-based criterion for predicting structural failure load. Subsequently, the ESED-based criterion and the characteristic point are verified through numerical analysis of typical single-layer reticulated shells with different configurations and a shaking table test of the scale shell model. Finally, discussions further verify the rationality and application of the ESED-based criterion. The ESED method might open a new way of structural analysis and the ESED-based criterion might indicate a prospect for a unified criterion for predicting seismic failure loads of various structures.
Keywords
ESED method; ESED-based criterion; failure load; single-layer spherical shell; characteristic point;
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Times Cited By KSCI : 4  (Citation Analysis)
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