|Table of Contents|

Static behavior analysis of drum-shaped honeycomb-type suspen-dome with quad-strut layout(PDF)

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

Issue:
2025年03期
Page:
26-36
Research Field:
建筑结构
Publishing date:

Info

Title:
Static behavior analysis of drum-shaped honeycomb-type suspen-dome with quad-strut layout
Author(s):
LYU Hui1; 2;  TU Hongwei1;  ZHU Zhongyi1; 3;  Dong Shilin2; 4;  ZHANG Hao1
(1. School of Civil Engineering and Transportation, Nanchang Hangkong University, Nanchang 330063, Jiangxi, China; 2. Space Structures Research Center, Zhejiang University, Hangzhou 310058, Zhejiang, China; 3. Beijing Institute of Architectural Design Co., Ltd., Beijing 100045, China; 4. Zhejiang Provincial Key Laboratory of Space Structures, Zhejiang University, Hangzhou 310058, Zhejiang, China)
Keywords:
drum-shaped honeycomb-type suspen-dome with quad-strut layout;  finite element analysis;  static behavior;  parameter analysis
PACS:
TU394
DOI:
10.19815/j.jace.2023.10051
Abstract:
A drum-shaped honeycomb-type suspen-dome with quad-strut layout was proposed. In order to explore the related mechanical properties of the structure, the finite element model was established based on ANSYS software, and the finite element simulation of the drum-shaped honeycomb-type suspen-dome with quad-strut layout was carried out. The stress behavior of the structure in elastic stage under uniformly distributed live loads of full span and half span was studied. The parameter analysis was carried out to study the influence of prestress, rise-span ratio, height-span ratio, lower chord arrangement and upper chord arrangement on the mechanical properties of the structure. The results show that under multiple loads, the internal force of the upper chord member changes from tension to compression, which avoids the deficiency of the traditional cable dome that quit work due to the relaxation failure of the ridge cable under load, resulting in the reduction of bearing capacity. The maximum vertical node displacement under 6 times of the full span live load is only 0.102 m, indicating that its structural stiffness is good. The prestress level significantly affects the structural stiffness and internal force distribution of the structure. Increasing the rise-span ratio will greatly reduce the structural stiffness, while the height-span ratio is the opposite. The lower chord arrangement schemes 1 and 2 are more economical, and the type III structure is more economical. Drum-shaped honeycomb-type suspen-dome with quad-strut layout has good static performance.

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Last Update: 2025-06-01