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Experimental study on seismic performance of assembly supports and hangers for mechanical and electrical pipelines
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Bin SUN1, 2, Xuefang ZHANG1, 2, Jinfeng ZHANG2, Jingtao WANG2
Earthquake Engineering and Engineering Dynamics | 2024, 44(1) : 38 - 47
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Earthquake Engineering and Engineering Dynamics | 2024, 44(1): 38-47
Experimental study on seismic performance of assembly supports and hangers for mechanical and electrical pipelines
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Bin SUN1, 2, Xuefang ZHANG1, 2, Jinfeng ZHANG2, Jingtao WANG2
Affiliations
  • 1.China Academy of Building Research, Beijing 100013, China
  • 2.CABR Testing Center Co., Ltd., Beijing 100013, China
doi: 10.13197/j.eeed.2024.0104
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Assembly supports and hangers have been widely used in engineering, but there are few researches on their seismic performance. To investigate the failure mechanism, seismic behavior and influence factors of assembly portal supports and hangers under earthquakes, reverse cyclic loading were subjected to two different typologies of specimens to acquire the influence of seismic bracing and joint connectors on their seismic behavior. The results showed that specimens without seismic bracing were easy to fail at the right-angle or channel base connectors, specimens with seismic bracing were easy to fail at the connection of pipe hoop. The seismic performance of the joints connected by interlocking was poor, while the joints connected by bolt-through was superior. The elastic stiffness, ultimate strength, yield strength, strength and stiffness degradation, and energy dissipation of specimens with seismic bracing were better than those of the specimens without seismic bracing. The main reason affecting the seismic behavior of specimens without seismic bracing was the performance of joint connectors, while the main reason for specimens with seismic bracing was seismic connectors. The research can provide reference for the engineering application, quality inspection and standard formulation of supports and hangers.

portal support and hanger  /  seismic bracing  /  joint connector  /  seismic connector  /  seismic performance
Bin SUN, Xuefang ZHANG, Jinfeng ZHANG, Jingtao WANG. Experimental study on seismic performance of assembly supports and hangers for mechanical and electrical pipelines[J]. Earthquake Engineering and Engineering Dynamics, 2024 , 44 (1) : 38 -47 . DOI: 10.13197/j.eeed.2024.0104
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Year 2024 volume 44 Issue 1
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doi: 10.13197/j.eeed.2024.0104
  • Receive Date：2022-10-10
  • Online Date：2026-03-30
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  • Received：2022-10-10
  • Revised：2023-02-02
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Affiliations
    1.China Academy of Building Research, Beijing 100013, China
    2.CABR Testing Center Co., Ltd., Beijing 100013, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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