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Dynamic response characteristics of large diameter variable section single pile under the coupling action of pile-splinter soil layer
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Zhongju FENG1, Yiran WANG1, Jie CAI2, Cong ZHANG1, Jixin ZHU3, Yingying MENG4
Journal of Vibration Engineering | 2025, 38(1) : 162 - 171
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Journal of Vibration Engineering | 2025, 38(1): 162-171
Dynamic response characteristics of large diameter variable section single pile under the coupling action of pile-splinter soil layer
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Zhongju FENG1, Yiran WANG1, Jie CAI2, Cong ZHANG1, Jixin ZHU3, Yingying MENG4
Affiliations
  • 1.School of Highway, Chang’an University, Xi’an 710064, China
  • 2.Fujian Provincial Transportation Construction Quality and Safety Center, Fuzhou 350001, China
  • 3.Xiamen Road and Bridge Engineering Investment and Development Co., Ltd., Xiamen 361026, China
  • 4.Henan Jiaoyuan Engineering Technology Group Co., Ltd., Zhengzhou 450046, China
Published: 2025-01-10 doi: 10.16385/j.cnki.issn.1004-4523.2025.01.018
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In order to investigate the dynamic response law of concrete-filled steel tubular composite single pile with large diameter and variable section under different types of seismic waves, 5010 wave, 1004 wave, Kobe wave and El-Centro wave with ground motion intensity of 0.15g were selected through indoor shaking table test relying on Xiangan Bridge project of Xiamen Second East Passage. The pile acceleration, horizontal displacement, bending moment and pile foundation damage of large diameter variable section concrete filled steel tube composite pile are studied. The test results show that the dynamic response characteristics of large diameter variable section concrete filled steel tube composite pile are different due to the different spectral characteristics of different seismic waves. Pile top acceleration maximum, pile top horizontal displacement maximum and pile bending moment maximum are the maximum under 1004 wave, and the minimum under Kobe wave. The maximum bending moment of pile body did not exceed the designed flexural bearing capacity of pile foundation. In the design of flexural bearing capacity of pile foundation under the action of earthquake force, the design of flexural bearing capacity at the interface of soft and hard soil layer is emphasized.

large diameter variable section piles  /  shaker test  /  collapse site  /  dynamic response
Zhongju FENG, Yiran WANG, Jie CAI, Cong ZHANG, Jixin ZHU, Yingying MENG. Dynamic response characteristics of large diameter variable section single pile under the coupling action of pile-splinter soil layer[J]. Journal of Vibration Engineering, 2025 , 38 (1) : 162 -171 . DOI: 10.16385/j.cnki.issn.1004-4523.2025.01.018
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Year 2025 volume 38 Issue 1
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2025.01.018
  • Receive Date：2022-10-20
  • Online Date：2026-02-11
  • Published：2025-01-10
Article Data
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History
  • Received：2022-10-20
  • Revised：2023-01-11
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Affiliations
    1.School of Highway, Chang’an University, Xi’an 710064, China
    2.Fujian Provincial Transportation Construction Quality and Safety Center, Fuzhou 350001, China
    3.Xiamen Road and Bridge Engineering Investment and Development Co., Ltd., Xiamen 361026, China
    4.Henan Jiaoyuan Engineering Technology Group Co., Ltd., Zhengzhou 450046, 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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