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Publications tagged with [plastic zone]

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The presentation of the closed-form solution for the problem of the plastic zone and stress distribution around a circular tunnel in an elastic-plastic half space, derived using bipolar coordinates, as well as its implementation in practical examples such ...
Reference: Geotechnical Challenges in Megacities", Vol. 3, pp 751-757, GRF 190005, St. Petersburg 2010
Geotechnical Engineering has advanced to the present stage that various types of earth structures can be designed and constructed safely and economically in most instances. However, in some cases, difficulty arises either in the form of failure during construction ...
Reference: 4th International Conference on Soft Soil Engineering, Vancouver, Canada
<p>A criterion for identifying the squeezing potential of tunnel is proposed. Tunneling conditions, classified as slightly or non-squeezing, moderately squeezing and highly squeezing, were identified by relating the strength-stress (cr,m/Po) ratio to the development ...
Reference: Fourth International Conrerence on Case Histories in Geotechnical Engineering, St. Louis, Missouri, March 9-12, 1998
In this paper, the shape and size of the plastic zone around an underground excavation are predicted using three different approaches: the convergence-confinement method, a continuum numerical approach and a discontinuum numerical model. The results show that ...