Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Collapse Mechanism of Single-Layer Cylindrical Latticed Shell Under Severe Earthquake

Version 1 : Received: 30 April 2020 / Approved: 2 May 2020 / Online: 2 May 2020 (13:22:42 CEST)

A peer-reviewed article of this Preprint also exists.

Zhou, H.; Zhang, Y.; Fu, F.; Wu, J. Collapse Mechanism of Single-Layer Cylindrical Latticed Shell under Severe Earthquake. Materials 2020, 13, 2519. Zhou, H.; Zhang, Y.; Fu, F.; Wu, J. Collapse Mechanism of Single-Layer Cylindrical Latticed Shell under Severe Earthquake. Materials 2020, 13, 2519.

Journal reference: Materials 2020, 13, 2519
DOI: 10.3390/ma13112519

Abstract

In this paper, the results of finite element analyses of a single-layer cylindrical latticed shell under severe earthquake is presented. A 3D Finite Element model using fiber beam elements were used to investigate the collapse mechanism of this type of shell. The failure criteria of structural members are simulated based on the theory of damage accumulation. Severe earthquake of peak ground acceleration (PGA) of 500 gal was applied to the shell. The stress and defeomation of the shell were studied in detail. A three-stages collapse mechanism “double-diagonal -members-failure-belt” of this type of structure was discovered. Based on the analysis results, the measures to mitigate collapse of this type of structure is recomanded.

Subject Areas

cylindrical latticed shell; damage accumulation; progressive collapse; Finite Element; earthquake

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