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TBM Tunnelling in Jointed and Faulted Rock PDF

163 Pages·2000·34.103 MB·English
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by Nick R. Barton| 2000| 163 pages| 34.103| English

About TBM Tunnelling in Jointed and Faulted Rock

This practical guide describes the stage-by-stage development of a method for predicting the penetration rate (PR) and the advance rate (AR) for tunnel boring machines based on an expanded version of the Q-value, QTBM. The author analyzes 145 TBM tunnels that total 1,000km in length. He then develops simple formulae to estimate PR and AR from the QTBM value and to back-calculate QTBM from performance data. The book quantitatively explains actual advance rates as high as five m/hr for one day or as low as 0.005 m/hr for several months. It also covers logging methods, empirical TBM tunnel support design, and numerical verification of support.

Detailed Information

Author:Nick R. Barton
Publication Year:2000
ISBN:9789058093417
Pages:163
Language:English
File Size:34.103
Format:PDF
Price:FREE
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