Minimum Plane Dimensions of Double-Layer Cylindrical Latticed Shells Considering Traveling Wave Effect

ZHOU Xiaolong; GUO Qiang; LI Yuzhong; ZHANG Yudong; HU Jianlin; WANG Jiaqi

doi:10.13204/j.gyjzG20112604

Volume 52 Issue 5

Jul. 2022

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ZHOU Xiaolong, GUO Qiang, LI Yuzhong, ZHANG Yudong, HU Jianlin, WANG Jiaqi. Minimum Plane Dimensions of Double-Layer Cylindrical Latticed Shells Considering Traveling Wave Effect[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(5): 77-82. doi: 10.13204/j.gyjzG20112604

Citation:

ZHOU Xiaolong, GUO Qiang, LI Yuzhong, ZHANG Yudong, HU Jianlin, WANG Jiaqi. Minimum Plane Dimensions of Double-Layer Cylindrical Latticed Shells Considering Traveling Wave Effect[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(5): 77-82. doi: 10.13204/j.gyjzG20112604

Citation:

ZHOU Xiaolong, GUO Qiang, LI Yuzhong, ZHANG Yudong, HU Jianlin, WANG Jiaqi. Minimum Plane Dimensions of Double-Layer Cylindrical Latticed Shells Considering Traveling Wave Effect[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(5): 77-82. doi: 10.13204/j.gyjzG20112604

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Minimum Plane Dimensions of Double-Layer Cylindrical Latticed Shells Considering Traveling Wave Effect

doi: 10.13204/j.gyjzG20112604

1. Hebei University of Architecture, Zhangjiakou 075000, China;
2. Hebei Key Laboratory of Diagnosis, Reconstruction and Anti-disaster of Civil Engineering, Zhangjiakou 075000, China

Received Date: 2020-11-26
Available Online: 2022-07-23
Publish Date: 2022-07-23

Abstract

Abstract

In order to research the minimum plane dimensions of long-span spatial structures that considering traveling wave effect, the time-history analysis method was used to investigate the differences among double-layer cylindrical latticed shells with different plane dimensions under multiple-support excitation and single excitation by discussing the distribution of special members whose peak internal forces under single excitation were greater than 10kN and traveling wave effect coefficient were greater than 1.1. The results showed that changing the structural span or length would lead to the amount or percentage of special members changed, which were concentrated in longitudinal members at the top chord, the percentage of special members was up to 10% when the span of reduce the percentage of special members reached 60 m and the length reached 90 m. Increasing the lergth of structure would increase the proportion of special members, while increastring the span would decrease the proportion. It was concluded that 60 m of the span and 90 m of the length were the minimum plane dimensions of this kind of structure that considering the traveling wave effect of longitudinal members at the top chord.
- double-layer cylindrical latticed shell,
- traveling wave effect,
- plane dimension,
- time-history analysis method,
- seismic response analysis

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References(17)

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