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A series solution of displacement response of the ground surface in the presence of underground twin tunnelssubjected to excitation of incident plane SV waves is derived by using Fourier-Bessel series expansion method.The numericalparametric study shows that underground twin tunnels significantly amplify the nearby surface ground motion.It is suggestedthat the effect of subways on ground motion should be considered when the subways are planned and designed.
A series solution of displacement response of the ground surface in the presence of underground twin tunnel cast to excitation of incident plane SV waves is derived by using Fourier-Bessel series expansion method. Numerical simulation study that that underground twin tunnels significantly amplify the nearby surface ground motion .It is suggestedthat the effect of subways on ground motion should be considered when the subways are planned and designed.