Seismic Performances of Connection Joints of
Prefabricated Corrugated SteelPlate
Utility Tunnel

doi:10.3973/j.issn.2096-4498.2022.12.010

Tunnel Construction ›› 2022, Vol. 42 ›› Issue (12): 2073-2095.DOI: 10.3973/j.issn.2096-4498.2022.12.010

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Seismic Performances of Connection Joints of Prefabricated Corrugated SteelPlate Utility Tunnel

LIAO Kai1, 2, 3, AUNG Khaing Min1, 2, 3, YUE Feng1, 2, 3, *

LIU Bowen4, XIONG Shigen1, 2, 3, JIANG Xiaoli5

(1.Department of Civil Engineering,School of Naval Architecture,Ocean & Civil Engineering,Shanghai Jiao Tong University, Shanghai 200240,China;2.Shanghai Key Laboratory of Digital Operation and Maintenance of Public Buildings and Infrastructure, Shanghai 200240,China;3.State Key Laboratory of Ocean Engineering,Shanghai 200240,China;4.School of Civil Engineering, University of Leeds,Leeds LS2 9JT,UK;5.Hunan Jindi Bellows Co.,Ltd.,Changsha 410114,Hunan,China)

Online:2022-12-20 Published:2023-01-09

Abstract

Abstract:

In this study, the hysteresis performance of corrugated steelplate utility tunnel under lowcycle cyclic load is investigated by conducting a case study on a corrugated steelplate utility tunnel. In addition, numerical simulations and tests are employed to examine the seismic performance of the tunnel under six load conditions, including transverse, longitudinal, and vertical loads and the influence of flange connection and thickness, utility tunnel thickness, and bolt position on the hysteresis performance of the structure is characterized. The present findings are stated as follows: (1) The corrugated steelplate utility tunnel exhibits strong plastic deformation ability and appropriate seismic performance under lowcycle cyclic load. However, the segment assembly joint is a weak position that can be easily detached. (2) Although the mechanical and hysteresis properties of the structure are remarkably influenced by the flange, the variations in flange thickness have a marginal effect. (3) The position of the bolts on the circumferential flange considerably influences the longitudinal hysteresis characteristics of the structure but marginally impacts the hysteresis characteristics in other directions. (4) The thickness of the corrugated plate is a key factor affecting the seismic performance of structures.

Key words:

utility tunnel, prefabricated corrugated steel plate; flange joint, seismic performance, finite element method, parametric analysis

LIAO Kai, AUNG Khaing Min, YUE Feng, LIU Bowen, XIONG Shigen, JIANG Xiaoli.

Seismic Performances of Connection Joints of Prefabricated Corrugated SteelPlate Utility Tunnel [J]. Tunnel Construction, 2022, 42(12): 2073-2095.

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Seismic Performances of Connection Joints of Prefabricated Corrugated SteelPlate Utility Tunnel

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