钢管角钢组合塔变坡节点承载力研究

doi:10.11930/j.issn.1004-9649.2016.08.031.05

中国电力 ›› 2016, Vol. 49 ›› Issue (8): 31-35.DOI: 10.11930/j.issn.1004-9649.2016.08.031.05

钢管角钢组合塔变坡节点承载力研究

鞠彦忠¹，王海超¹，张楚楚²，王德弘¹，白俊峰¹，王新颖¹

1. 东北电力大学建筑工程学院，吉林吉林 132012；
2. 赤峰供电公司经济技术研究所，内蒙古赤峰 024000

收稿日期:2016-03-03 出版日期:2016-08-10 发布日期:2016-08-12
作者简介:鞠彦忠（1963—），男，吉林大安人，教授，博士生导师，从事输电线路研究。

Study of Joint Bearing Capacity With Slope Change on Tower Consist of Steel Tubes　and Angles

JU Yanzhong¹, WANG Haichao¹, ZHANG Chuchu¹, WANG Dehong¹, BAI Junfeng¹, WANG Xinying¹

1. School of Architecture, Northeast Dianli University, Jilin 132012, China;
2. Economic and Technology Institute, Chifeng Electric Power Company, Chifeng 024000, China

Received:2016-03-03 Online:2016-08-10 Published:2016-08-12

摘要/Abstract

摘要： 为研究钢管角钢组合塔变坡节点特性，对2个相同尺寸、不同加载方式的变坡节点进行静力足尺试验，对受力性能、承载力和破坏模式的分析研究表明，节点破坏模式均为受压端节点板平面外失稳，说明节点板是薄弱区域。采用有限元软件ABAQUS建立三维实体模型，对影响变坡节点承载力的主要因素进行参数分析，结果表明，在一定范围内，节点承载力随节点板厚度的增大而提高，节点板厚度每增加2 mm，承载力提高5%~9%，当厚度增加到一定限度，承载力提高30%左右，节点板得到充分利用。

关键词: 钢管角钢组合塔, 变坡节点, 承载力, 节点板

Abstract: In order to study joint feature with slope change on tower consist of steel tubes and angles, static full-scale tests on two same size joint with different slope and loading modes are performed. Analysis is carried out on loading process, bearing capacity and failure mode. Both node failure modes are gusset plate buckling in tests indicating that gusset plate is weak area. A three-dimensional solid model of joint with slope change on tower consist of steel tubes and steel angles are built by using finite element software ABAQUS. A parameter analysis is conducted to investigate main factors affecting bearing capacity of joint with slope change. The results show that all failure modes of joint are instability of gusset plate on compression side and gusset plant is weak area. According to parameter analysis result, in a certain range, the bearing capacity increases as gusset plate thickness increased. Every 2 mm increase of gusset plate thickness increases capacity by 5% to 9%. When the thickness is increased to a certain limit, the capacity is improved by 30% and gusset plate is fully utilized.

Key words: tower consist of steel tubes and steel angles, joint with slope change, bearing capacity, gusset plate

中图分类号:

TM753

鞠彦忠，王海超，张楚楚，王德弘，白俊峰，王新颖. 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 Yanzhong, WANG Haichao, ZHANG Chuchu, WANG Dehong, BAI Junfeng, WANG Xinying. Study of Joint Bearing Capacity With Slope Change on Tower Consist of Steel Tubes　and Angles[J]. Electric Power, 2016, 49(8): 31-35.

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https://www.electricpower.com.cn/CN/Y2016/V49/I8/31

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钢管角钢组合塔变坡节点承载力研究

Study of Joint Bearing Capacity With Slope Change on Tower Consist of Steel Tubes　and Angles

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钢管角钢组合塔变坡节点承载力研究

Study of Joint Bearing Capacity With Slope Change on Tower Consist of Steel Tubes and Angles

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Study of Joint Bearing Capacity With Slope Change on Tower Consist of Steel Tubes　and Angles