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4.0 out of 5 stars
Development of TBM prognosis method that works,
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This review is from: TBM Tunnelling in Jointed and Faulted Rock (Hardcover)
This slim volume first analyses factors affecting tunneling speeds as expressed by penetration rate PR, and actual advance rate AR. A 1000 km and 145 case record analysis shows how TBM advance rate gradually declines, whether breaking world records like 16 km in one year, or when stuck in a fault zone without pre-treatment for weeks or months or worse. TBM are remarkable machines, but classification of the ground to be penetrated, and especially the machine-rock interaction is all important.This volume records the development of a TBM performance prognosis method, now facilitated by a graphic performance model called Qtbm, using the mostly simple formulae developed.
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TBM Tunnelling in Jointed and Faulted Rock by Nick Barton (Hardcover - January 15, 2000)
$64.95
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