|Table of Contents|

Experimental Study and Calculation Method of Single-double Angle Steel Transition Joint of Transmission Tower(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2022年02期
Page:
69-77
Research Field:
结构工程
Publishing date:

Info

Title:
Experimental Study and Calculation Method of Single-double Angle Steel Transition Joint of Transmission Tower
Author(s):
XU Zai-gen1;  ZHENG Wei-dong1;  LIU Jun-cai2;  LIU Wen-peng2;  TIAN Li2
(1. Shandong Electric Power Engineering Consulting Institute Corp., Ltd., Jinan 250013, Shandong, China; 2. School of Civil Engineering, Shandong University, Jinan 250061, Shandong, China)
Keywords:
single-double angle steel transition joint;  loading test;  mechanical property;  eccentricity
PACS:
TU347
DOI:
10.19815/j.jace.2021.04016
Abstract:
Three single-double angle steel transition joints were selected as the research objects, eight transition joint models were fabricated. The elastic loading tests on six full-scale test models were carried out under tension and compression conditions respectively. The failure loading tests on two scale test models were carried out under tension and compression conditions respectively. Combined with finite element simulation, the mechanical properties and stress of single-double angle steel transition joint were analyzed. The strain variation and stress distribution of the key parts of the single-double angle steel transition joint under elastic and failure loading conditions were numerically simulated and compared with the loading test. Considering the influence of the eccentricity between the upper and lower shoe plates on the uneven distribution of horizontal stress on the horizontal plate of single-double angle steel transition joint, based on finite element simulation and loading test, the existing calculation methods of horizontal plate thickness of different single-double angle transition joints were compared and evaluated. By comparing with the design thickness of horizontal plate, the optimization effect and safety margin of different calculation methods were analyzed. The results show that the eccentricity of the connecting weld between the upper and lower shoe plates and the horizontal plate is the main factor affecting the stress of the horizontal plate. The horizontal stress at the intersection of the corresponding upper and lower shoe plates on the horizontal plate is the largest, and it diffuses around and gradually decreases. The finite element simulation is in good agreement with the experimental results, and the research results can provide guidance for the structural design of single-double angle steel transition joints.

References:

[1] 架空输电线路杆塔结构设计技术规定:DL/T 5154—2012[S].北京:中国电力出版社,2013.
Technical Code for the Design of Tower and Pole Structures of Overhead Transmission Line:DL/T 5154—2012[S].Beijing:China Electric Power Press,2013.
[2]110 kV～750 kV架空输电线路设计规范:GB 50545—2010[S].北京:中国计划出版社,2010.
Code for Design of 110 kV-750 kV Overhead Transmission Line:GB 50545—2010[S].Beijing:China Planning Press,2010.
[3]黄宗明.大跨越塔节点研究报告[R].重庆:重庆大学,2008.
HUANG Zong-ming.Research Report on the Node of the Great Span Tower [R].Chongqing:Chongqing University,2008.
[4]程 睿,黄宗明,孙必祥,等.单角钢连接节点板受压性能试验研究与承载力计算方法[J].建筑结构学报,2009,30(4):61-68.
CHENG Rui,HUANG Zong-ming,SUN Bi-xiang,et al.Experimental Study and Design of Compressive Behavior of Gusset Plates Connected with Single Angle Members[J].Journal of Building Structures,2009,30(4):61-68.
[5]李光照.钢桁架节点板弹塑性工作过程及破坏机理试验研究[J].建筑结构学报,1987,8(2):10-22.
LI Guang-zhao.Research on the Test of Elastoplasticlty and Failure Mechanism of Gusset Plate on Panel Points of Steel Truss[J].Journal of Building Structures,1987,8(2):10-22.
[6]杨利容,郑 勇.单角钢变双角钢节点试验研究分析[J].四川建筑科学研究,2010,36(1):40-43.
YANG Li-rong,ZHENG Yong.Experimental Research on the Joint Connecting Singe-angle to Double Angle[J].Sichuan Building Science,2010,36(1):40-43.
[7]鞠彦忠,王海超,张楚楚,等.钢管角钢组合塔变坡节点承载力研究[J].中国电力,2016,49(8):31-35.
JU Yan-zhong,WANG Hai-chao,ZHANG Chu-chu,et al.Study of Joint Bearing Capacity with Slope Change on Tower Consist of Steel Tubes and Angles[J].Electric Power,2016,49(8):31-35.
[8]鞠彦忠,雷俊方,王德弘,等.钢管角钢组合塔节点极限承载力影响因素分析[J].中南大学学报(自然科学版),2014,45(8):2781-2786.
JU Yan-zhong,LEI Jun-fang,WANG De-hong,et al.Parametric Study on Ultimate Strength of Tube-angle Combo Tower Joints[J].Journal of Central South University(Science and Technology),2014,45(8):2781-2786.
[9]陈旭阳.特高压输电铁塔单双角钢变换关键节点承载能力研究[D].南昌:南昌大学,2016.
CHEN Xu-yang.Load-bearing Capacity of the Key Conversion Nodes of Single- and Dual-angle Steel for Ultra-high-voltage Power Transmission Tower[D].Nanchang:Nanchang University,2016.
[10]朱昌建,张大长,韩军科.单、双角钢过渡节点轴压承载力特性的研究[J].工业建筑,2016,46(8):16-20.
ZHU Chang-jian,ZHANG Da-chang,HAN Jun-ke.Analysis of Compressive Strength of Transitional Joints of Single and Double Angle[J].Industrial Construction,2016,46(8):16-20.
[11]杨垂玮,孟宪乔,兰志文,等.输电铁塔单双角钢变换节点试验研究与承载力计算方法[J].钢结构,2017,32(6):59-65.
YANG Chui-wei,MENG Xian-qiao,LAN Zhi-wen,et al.Bearing Capacity Calculation Method and Experimental Study of the Key Conversion Joints of Single-angle and Dual-angle Steel for Power Transmission Tower[J].Steel Construction,2017,32(6):59-65.
[12]YAM M C H,CHENG J J R.Experimental Investigation of the Compressive Behavior of Gusset Plate Connections[R].Edmonton:University of Alberta,1993.
[13]SHENG N,YAM C H,IU V P.Analytical Investigation and the Design of the Compressive Strength of Steel Gusset Plate Connections[J].Journal of Constructional Steel Research,2002,58(11):1473-1493.
[14]薛晓敏,袁红丽,饶 翼,等.输电铁塔单变双拼角钢转换节点承载力研究[J].西安交通大学学报,2020,54(8):11-19.
XUE Xiao-min,YUAN Hong-li,RAO Yi,et al.Bearing Capacity of Conversion Joints Between Single-angle and Dual-angle Steels in Steel Pylon[J].Journal of Xi'an Jiaotong University,2020,54(8):11-19.
[15]TIAN L,LIU J C,CHEN C,et al.Experimental and Numerical Analysis of a Novel Tubular Joint for Transmission Tower[J].Journal of Constructional Steel Research,2020,164:105780.
[16]金属材料 室温拉伸试验方法:GB/T 228—2002[S].北京:中国标准出版社,2002.
Metallic Materials — Tensile Testing at Ambient Temperature:GB/T 228—2002[S].Beijing:Standards Press of China,2002.
[17]LIU X P,BRADFORD M A,LEE M S S.Behavior of High-strength Friction-grip Bolted Shear Connectors in Sustainable Composite Beams[J].Journal of Structural Engineering,2014,141(6):04014149.
[18]MAXIMOV J T,DUNCHEVA G V,GANEV N.Enhancement of Fatigue Life of Net Section in Fitted Bolt Connections[J].Journal of Constructional Steel Research,2012,74:37-48.
[19]徐再根,刘正伟,刘文棚,等.输电塔单双角钢过渡节点计算方法[J].山东大学学报(工学版),2021,51(1):87-93.
XU Zai-gen,LIU Zheng-wei,LIU Wen-peng,et al.Calculation Method of the Single-double Angle Joints in Transmission Towers[J].Journal of Shandong University(Engineering Science),2021,51(1):87-93.
[20]余 亮,王作民,吴森坤,等.架空输电线路角钢塔单双角钢连接节点设计研究[J].钢结构,2018,33(3):63-67.
YU Liang,WANG Zuo-min,WU Sen-kun,et al.Design and Research on Single and Double Angle Joints of Angle-steel Tower of Overhead Transmission Line Tower[J].Steel Construction,2018,33(3):63-67.

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Last Update: 2022-03-20