Paper Title:
Geo-Membrane Strength and Failure Analysis of Dumping Large Geo-Container
  Abstract

Kinetic equation of dumping geo-container is considered, ALE dynamic mesh technique of finite element is applied, and strength and failure problem in the process of geo-container hitting the bottom is discussed. The finite element model of dynamic meshing is established, and the motion state, stress and strain of the geo-membrane of the large geo-container during the process of dumping are analyzed and calculated. By comparing with the results of the flume model experiment and dynamics calculation, the results verify the FEM model of fluid-structure coupled dumping geo-container; during the dumping, the tensile stress on the geo-membrane is the largest at the first 0.24 seconds after the geo-container hitting the bottom, and the maximum is 6.936 MPa at node 397 in the geo-container; after the failure analysis of the geo-membrane, the breaking strength is 27.050 MPa, which is less than the allowable strength, and meets with the strength requirements.

  Info
Periodical
Key Engineering Materials (Volumes 480-481)
Edited by
Yanwen Wu
Pages
899-903
DOI
10.4028/www.scientific.net/KEM.480-481.899
Citation
Y. Tie, C. Li, B. S. Zhang, "Geo-Membrane Strength and Failure Analysis of Dumping Large Geo-Container", Key Engineering Materials, Vols. 480-481, pp. 899-903, 2011
Online since
June 2011
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$32.00
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