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Shaking table test and numerical simulation of tunnel-soil-bridge pile interaction system
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Sha-sha Lu1, 2, Dong-xu Zhao1, Ju-ke Bai1, 2, Shao-dong Liu1, Hang Yin1
Journal of Vibration Engineering | 2024, 37(1) : 168 - 181
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Journal of Vibration Engineering | 2024, 37(1): 168-181
Shaking table test and numerical simulation of tunnel-soil-bridge pile interaction system
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Sha-sha Lu1, 2, Dong-xu Zhao1, Ju-ke Bai1, 2, Shao-dong Liu1, Hang Yin1
Affiliations
  • 1School of Civil Engineering, Liaoning Technical University, Fuxin 123000, China
  • 2Liaoning Key Laboratory of Mine Subsidence Disaster Prevention and Control, Fuxin 123000, China
Published: 2024-01-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.01.017
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Based on the actual project in Dalian，this paper studies the dynamic interaction （SSSI） of the double tunnel sand bridge pile system under earthquake through shaking table test，obtains the dynamic response law of structure and site，and compares it with ABAQUS numerical simulation. The Kelvin constitutive model subroutine is introduced into the numerical model，and the equivalent linear method is used to deal with the nonlinear problem of sand in the calculation process. The experimental results are compared with the numerical model to verify the reliability of the numerical simulation. On this basis，eight working conditions are designed，and the interaction law between structures in the system is studied through comparative analysis. The results show that the tunnel will amplify the peak acceleration of the bridge pile and adjacent tunnel，but the bridge pile will weaken the peak acceleration of the side tunnel； the existence of the tunnel and bridge pile will increase each other's section shear force and bending moment. The main affected areas are concentrated in the upper and lower arches of the tunnel and the interface between the pile bottom of the bridge pile and the pile-soil.

structure-soil structure interaction （SSSI）  /  shaking table test  /  numerical simulation  /  dynamic response  /  amplification factor
Sha-sha Lu, Dong-xu Zhao, Ju-ke Bai, Shao-dong Liu, Hang Yin. Shaking table test and numerical simulation of tunnel-soil-bridge pile interaction system[J]. Journal of Vibration Engineering, 2024 , 37 (1) : 168 -181 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.01.017
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Year 2024 volume 37 Issue 1
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.01.017
  • Receive Date：2022-02-28
  • Online Date：2026-02-10
  • Published：2024-01-28
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  • Received：2022-02-28
  • Revised：2022-07-27
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Affiliations
    1School of Civil Engineering, Liaoning Technical University, Fuxin 123000, China
    2Liaoning Key Laboratory of Mine Subsidence Disaster Prevention and Control, Fuxin 123000, China
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Citations
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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