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Stochastic Structural Analysis with Reference to Natural Draft Cooling Tower Shells

Author(s):


Medium: conference paper
Language(s): English
Conference: 35th Annual Symposium of IABSE / 52nd Annual Symposium of IASS / 6th International Conference on Space Structures: Taller, Longer, Lighter - Meeting growing demand with limited resources, London, United Kingdom, September 2011
Published in:
Year: 2011
Abstract:

In general, the use of deterministic methods is common engineering practice for the analysis of structures. As a common rule, it is assumed that main parameters that describe a structure can be determined with a high level of accuracy. In reality, all structural parameters show variability.

These inaccuracies during the design of structures can be considered by means of stochastical analysis of the structure.

In this paper the use of stochastic methods will be presented using the example of a natural draft cooling tower shell. The shell showed degredation in form of vertical cracks near the lintel and in its lower regions. The origin of these cracks could not be found by use of deterministic analysis. For the stochastic analysis, a normal distribution of the tensile strength of concrete has been used in a geometrical and physical nonlinear analysis of the shell.

Keywords:
design reinforced concrete rehabilitation cooling towers shell structures non-linear behavior Stochastic Modelling of Structures

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  • About this
    data sheet
  • Reference-ID
    10065432
  • Published on:
    03/10/2011
  • Last updated on:
    05/07/2021
 
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