Complex Variable Solutions for Tunneling-Induced Ground Movement
Publication: International Journal of Geomechanics
Volume 9, Issue 2
Abstract
Soil loss during tunneling may induce the ground deformation. The loss volume depends on tunneling methods, soil types, workmanship, etc. The movement pattern along the tunnel section can be separated into two parts: one part of which focuses on the planed center of the tunnel, and the other translates in the vertical direction. On the basis of the complex variable theory for elasticity, the corresponding second part movement could be deduced if the first part is predetermined. This paper studies the ground deformations under four possible focusing movement patterns. A comparison between the solutions and measured data is conducted for five different tunnels. It is proposed that the third focusing movement pattern could be presumed for predicting tunneling-induced ground deformation.
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Information
Published In
International Journal of Geomechanics
Volume 9 • Issue 2 • March 2009
Pages: 63 - 72
Copyright
© 2009 ASCE.
History
Received: Nov 1, 2007
Accepted: Jul 25, 2008
Published online: Mar 1, 2009
Published in print: Mar 2009
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