Journal ArticleDOI
Analytical Solution for Longitudinal Dynamic Responses of Long Tunnels under Arbitrary Excitations
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In this paper, an analytical solution for longitudinal dynamic responses of long tunnels under arbitrary excitations is proposed for the derivation, the tunnel is assumed as a Timoshenko beam rest.Abstract:
In this paper, an analytical solution is proposed for longitudinal dynamic responses of long tunnels under arbitrary excitations. For the derivation, the tunnel is assumed as a Timoshenko beam rest...read more
Citations
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Journal ArticleDOI
Exact closed-form solutions for free vibration of double-beam systems interconnected by elastic supports under axial forces
TL;DR: In this article , the Laplace transform was applied to derive the exact closed-form solutions for the free vibration of double-beam systems composed of two parallel beams connected by an arbitrary number of discrete elastic supports.
Journal ArticleDOI
A Novel Detection and Assessment Method for Operational Defects of Pipe Jacking Tunnel Based on 3D Longitudinal Deformation Curve: A Case Study
Wei-Ting Lin,Pan Li,Xiongyao Xie +2 more
TL;DR: In this paper , a method is proposed to obtain 3D longitudinal deformation curves based on a large number of 3D point cloud data with high spatial resolution and large spatial dimensions.
References
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Book ChapterDOI
Beams on Elastic Foundation
TL;DR: In this paper, a numerical method for the solution of the problem of a beam on an elastic foundation is presented, which can be used as a basis for a sheet pile wall program, and for a laterally loaded pile in a layered soil.
Journal ArticleDOI
Aseismic design of underground structures
C.M. St John,T. F. Zahrah +1 more
TL;DR: In this paper, the authors define the basis for the aseismic design of subsurface excavations and underground structures, including a definition of the seismic environment and earthquake hazard, and a review of analytical and empirical tools that are available to the designer concerned with the performance of underground structures subjected to seismic loads.
Journal ArticleDOI
Longitudinal structural modelling of shield tunnels considering shearing dislocation between segmental rings
TL;DR: In this paper, the authors proposed a new longitudinal structural model to consider the shearing dislocation between rings, which can describe the actual deformation mode of a tunnel reasonably and compared with the traditional Euler-Bernoulli beam model based on a field measured longitudinal deformation of a Shanghai metro tunnel.
Journal ArticleDOI
3-D seismic response analysis of long lined tunnels in half-space
A. A. Stamos,Dimitri E. Beskos +1 more
TL;DR: In this article, the dynamic response of infinitely long lined tunnels with a uniform cross-section buried into an elastic or viscoelastic half-space to body and surface harmonic seismic waves is numerically determined by a special direct boundary element method in the frequency domain.
Journal ArticleDOI
Dynamic analysis of beams on an elastic foundation subjected to moving loads
David Thambiratnam,Yan Zhuge +1 more
TL;DR: In this article, a simple procedure based on the finite element method has been developed for treating the dynamic analysis of beams on an elastic foundation subjected to moving point loads, where the foundation has been modelled by springs of variable stiffness.
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