Analysis of Bending Performance of Multi-planar Steel Tubular Connection with Annular Ribbed Plate for Transmission Towers

doi:10.11908/j.issn.0253-374x.2019.01.002

Home > Archive>Volume 47, Issue 01, 2019 >0009-0017. DOI:10.11908/j.issn.0253-374x.2019.01.002

Analysis of Bending Performance of Multi-planar Steel Tubular Connection with Annular Ribbed Plate for Transmission Towers
DOI:
                        10.11908/j.issn.0253-374x.2019.01.002
                    
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                        YANG ZiyeYANG Ziye
College of Civil Engineering, Tongji University, Shanghai 200092, China
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DENG HongzhouDENG Hongzhou
College of Civil Engineering, Tongji University, Shanghai 200092, China
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Clc Number:TU392.3; TU317.1
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Abstract:

A static experiment test and finite element numerical simulation method were carried out to investigate the failure modes and bending performance of multiplanar steel tubular connection with annular ribbed plate. Local axial buckling and transverse plastic deformation failures on such connections were observed from these studies. The local buckling depended on the stress on the chord and the plastic deformation was related to the annular ribbed platetochord model comprised by the annular ribbed plate and a section of chord. For the two failure modes, plastic theory, finite element parametric study and regression analysis were used to develop the proposed formulas of ultimate bending moments for such connections. The proposed formulas were compared with that from experimentations and the results show that the formulas have practical significance and could provide references for the design of similar connections.

Key words:multi-planar steel tubular connection; annular ribbed plate; ultimate bearing moment; proposed formula; finite element

Reference

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YANG Ziye, DENG Hongzhou. Analysis of Bending Performance of Multi-planar Steel Tubular Connection with Annular Ribbed Plate for Transmission Towers[J].同济大学学报(自然科学版),2019,47(01):0009~0017

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Received:April 09,2018
Revised:November 16,2018
Adopted:June 28,2018
Online: January 25,2019
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