Log In    |    Join IASS    |    Online Journal    |    Proceedings    |    Directory    |    Events    |    News

Online IASS Proceedings

IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: General: Towers & Temporary Structures; Preservation

Numerical and experimental analysis of structural details of electrical transmission line towers

< Table of Contents for General: Towers & Temporary Structures; Preservation
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: General: Towers & Temporary Structures; Preservation
  • Pages: 8
  • Title: Numerical and experimental analysis of structural details of electrical transmission line towers
  • Author(s): Michal Botlo Martin Magura, Jan Brodniansky, Jan Brodniansky
  • Keywords: slip-joint, connection, detail, FEM, steel tower, experiment
Abstract
The presented paper deals with the design and examination of steel towers of electrical transmission lines with circular or polygonal cross section. Structures of this kind are a safe and reliable option when selecting the appropriate structural solution, but nevertheless often remain omitted due to difficulties with design methodology. Conical towers` cross sections are in most cases categorised as class 4 sections and therefore act as shell structures when subjected to the action of load, being prone to buckling and web deformation. The article provides the results of FEM analysis of multiple connection details of conical steel towers, highlighting the key aspects of design, the crucial points for consideration, and the resultant stresses and deformations invoked by load these towers withstand. Furthermore, it provides a simplified methodology of calculating the stress in the most vulnerable structural detail, i.e. the slip-joint connection of tower segments. The method is also compared with the FEM software analysis and its weaknesses are identified.

Read the complete paper (pdf) (requires membership)
© IASS All rights reserved.
IASS · CEDEX - Laboratorio Central de Estructuras y Materiales · C/ Alfonso XII, 3 · 28014 Madrid, Spain     tel. 34 91 335-7409; fax: 335-7422
Site Design & Programming
by World Design Group, Inc.