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A STUDY ON FAILURE OF CROSS ARMS IN TRANSMISSION LINE TOWERS DURING PROTOTYPE TESTING.

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Title: A STUDY ON FAILURE OF CROSS ARMS IN TRANSMISSION LINE TOWERS DURING PROTOTYPE TESTING.
Authors: RAO, N. PRASADA1 nprao@sercm.org, MOHAN, S. J.1 mohansj@sercm.org, LAKSHMANAN, N.1 nlaxman@sercm.org
Source: International Journal of Structural Stability & Dynamics. Sep2005, Vol. 5 Issue 3, p435-455. 21p.
Subjects: Electric lines testing, Structural stability, Safety factor in engineering, Energy industries, CAD/CAM systems, Structural failures
Abstract: In this paper, the need for testing of transmission line towers is emphasized. The failure of cross arms that constitute a part of the tower body is analyzed by the nonlinear finite element method. The finite element analysis results are compared with the test results and the reasons for failure are discussed in detail. The cross arm is modeled using beam and plate elements. Four different types of towers with cross arms are considered. The effect of inner triangulation formed by the redundant patterns on the cross arm performance is studied. The effect of staggering secondary bracings in elevation and plan of the cross arm and detailing of cross arm tips (loading points) are also studied. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Structural Stability & Dynamics is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 18031677
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PubType: Academic Journal
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  Data: A STUDY ON FAILURE OF CROSS ARMS IN TRANSMISSION LINE TOWERS DURING PROTOTYPE TESTING.
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  Data: <searchLink fieldCode="AR" term="%22RAO%2C+N%2E+PRASADA%22">RAO, N. PRASADA</searchLink><relatesTo>1</relatesTo><i> nprao@sercm.org</i><br /><searchLink fieldCode="AR" term="%22MOHAN%2C+S%2E+J%2E%22">MOHAN, S. J.</searchLink><relatesTo>1</relatesTo><i> mohansj@sercm.org</i><br /><searchLink fieldCode="AR" term="%22LAKSHMANAN%2C+N%2E%22">LAKSHMANAN, N.</searchLink><relatesTo>1</relatesTo><i> nlaxman@sercm.org</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Structural+Stability+%26+Dynamics%22">International Journal of Structural Stability & Dynamics</searchLink>. Sep2005, Vol. 5 Issue 3, p435-455. 21p.
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  Data: <searchLink fieldCode="DE" term="%22Electric+lines+testing%22">Electric lines testing</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+stability%22">Structural stability</searchLink><br /><searchLink fieldCode="DE" term="%22Safety+factor+in+engineering%22">Safety factor in engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+industries%22">Energy industries</searchLink><br /><searchLink fieldCode="DE" term="%22CAD%2FCAM+systems%22">CAD/CAM systems</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+failures%22">Structural failures</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this paper, the need for testing of transmission line towers is emphasized. The failure of cross arms that constitute a part of the tower body is analyzed by the nonlinear finite element method. The finite element analysis results are compared with the test results and the reasons for failure are discussed in detail. The cross arm is modeled using beam and plate elements. Four different types of towers with cross arms are considered. The effect of inner triangulation formed by the redundant patterns on the cross arm performance is studied. The effect of staggering secondary bracings in elevation and plan of the cross arm and detailing of cross arm tips (loading points) are also studied. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Structural Stability & Dynamics is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1142/S0219455405001672
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        Text: English
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      – SubjectFull: Electric lines testing
        Type: general
      – SubjectFull: Structural stability
        Type: general
      – SubjectFull: Safety factor in engineering
        Type: general
      – SubjectFull: Energy industries
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      – SubjectFull: CAD/CAM systems
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      – SubjectFull: Structural failures
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      – TitleFull: A STUDY ON FAILURE OF CROSS ARMS IN TRANSMISSION LINE TOWERS DURING PROTOTYPE TESTING.
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              Text: Sep2005
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