RESEARCH ON STIFFNESS OF HUB-SHAPE INLAY JOINT AND BEARING CAPACITY OF SINGLE-LAYER SPHERICAL RETICULATED SHELL

被引：0
|
作者：
Zhang X.-L. [1 ]
Li H.-J. [1 ]
Chen X. [1 ]
Zhu Z.-Q. [2 ]
Yu X.-C. [1 ]
机构：
[1] College of Water Resources and Architectural Engineering, Northwest A&F University, Shaanxi, Yangling
[2] Shennan Industry Development Co., Ltd, Shaanxi, Yulin
来源：
Gongcheng Lixue/Engineering Mechanics | 2022年 / 39卷 / 09期
关键词：
hub-shape inlay joint; joint stiffness; power function model; semi-rigid single-layer spherical reticulated shell; ultimate bearing capacity;
D O I：
10.6052/j.issn.1000-4750.2021.05.0388
中图分类号：
学科分类号：
摘要：
The hub-shape inlay joint is a new type of assembled joint designed and developed in China, and has the advantages of convenient construction, smooth shape and high positioning accuracy, and it belongs to a typical semi-rigid joint. However, the research on this kind of joints is limited, and existing codes do not contain the relevant theoretical calculation formulas and design requirements for the semi-rigid single-layer spherical reticulated shell. Recognizing the aforementioned issues, a refined model of the hub-shape inlay joint is established by ANSYS package, and the moment-rotation curve of the joint is fitted based on the power function model. Meanwhile, the influence of joint stiffness on ultimate bearing capacity of the semi-rigid shell with different spans and rise-to-span ratios is discussed in detail. The results show that the moment-rotation curves of the hub-shape inlay joints in out-of-plane bending and torsional bending are in good agreement with the power function model. The sensitivity of the ultimate bearing capacity of shell to the bending stiffness of the joints is greater than the axial stiffness of the joints, and the sensitivity of the ultimate bearing capacity to the stiffness of the joints will get weaker with the increase of the span or rise-to-span ratio of the shell. © 2022 Tsinghua University. All rights reserved.
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页码：179 / 190
页数：11
相关论文
共 23 条
  • [1] BangYun Chung, HakYi Jin, YoungBahng Eun, Joint Damage Assessment of Framed Structures Using a Neural Networks Technique [J], Engineering Structures, 23, pp. 425-431, (2001)
  • [2] Hasan Rafiq, Kishi Norimitsu, Chen Wai-Fah, A new nonlinear connection classification system [J], Journal of Constructional Steel Research, 47, 1, pp. 119-140, (1998)
  • [3] Li Yongquan, He Ruoquan, Summary of research on semi-rigid frame connection, Journal of Harbin Institute of Architectural Engineering, 27, 3, pp. 112-119, (1994)
  • [4] Nanda B K, Behera A K., Study on structural damping of aluminum using multi-layered and Jointed construction [J], Structural Engineering and Mechanics, 20, 6, pp. 631-653, (2005)
  • [5] Hiyama Y, Ishikawa K, Kato S, Et al., Experiments and analysis of the post-bucking behavious of aluminum alloy double layer spare grids applying ball joints [J], Structural Engineering and Mechanics, 9, 3, pp. 289-304, (2005)
  • [6] Liao Jun, Zhang Yigang, Research on bilinear model of load displacement curve of welded hollow spherical joints, Space structure, 16, 2, pp. 31-38, (2010)
  • [7] Fan Feng, Ma Huihuan, Ma Yueyang, Development and key issues of reticulated shells with semi-rigid joints, Engineering Mechanics, 36, 7, pp. 1-7, (2019)
  • [8] Guo Xiaonong, Zhu Shaojun, Xiong Zhe, Luo Yongfeng, Design method for stability bearing capacity of K6 aluminum alloy plate joint reticulated shell, Journal of Architectural Structure, 38, pp. 16-24, (2017)
  • [9] Zhu Nanhai, Li Jieming, Study on the optimization design of single-layer reticulated shell based on the homogenization of nodal well-formedness, Engineering Mechanics, 38, 6, pp. 113-120, (2021)
  • [10] Jiang Shoufang, Li Huijun, Long Tingting, Stability of single-layer three-way reticulated barrel vaults considering global geometric imperfection, member imperfection and eccentricity, Engineering Mechanics, 39, 2, pp. 178-188, (2022)
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