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Prediction of Displacements in Tunnelling


Marketed By :  VDM Verlag Dr. Müller   Sold By :  Kamal Books International  
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  • Product Description

When dealing with tunnels in difficult ground conditions, the ability to correctly predict the development of displacements, their magnitude and spatial orientation is of tremendous importance for a save and economical tunnel design. One of the major shortcomings of 2D approaches for underground excavation design is the (mostly) inadequate modelling of the effects of the face advance. Although they may roughly estimate the evolution of the displacements towards their final value, none of the 2D solutions provide information about the pre-relaxation the ground has undergone. The method presented in this book represents an easy-to-implement tool allowing fast assessment of displacement development for a circular cavity in a Mohr-Coulomb material under hydrostatic loading. A numerical parametric study on a 3D model has been performed. Based on the displacement data the respective fictitious support pressures have been back-calculated, using a closed-form solution, thus allowing the establishment of three interpolation relationships. The knowledge of the shape parameters for an arbitrary set of mechanical parameters allows the calculation of the displacement path.

Product Specifications
SKU :COC48286
AuthorThomas Pilgerstorfer
Number of Pages60
Publishing Year2010-04-26T00:00:00.000
Edition1 st
Book TypeProduction engineering
Country of ManufactureIndia
Product BrandVDM Verlag Dr. Müller
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-04-08 00:00:00