论文信息 - PRACTICAL GEOTECHNICAL AND ENGINEERING PROPERTIES FOR TUNNEL-BORING MACHINE PERFORMANCE ANALYSIS AND PREDICTION

PRACTICAL GEOTECHNICAL AND ENGINEERING PROPERTIES FOR TUNNEL-BORING MACHINE PERFORMANCE ANALYSIS AND PREDICTION

Given the ever-increasing range of geological conditions that can be and have been excavated by tunnel-boring machines (TBMs), both new and used, it behooves the industry to enhance the potential for mechanical excavation during the early stages of project conception and planning. Early planning will allow appropriate geological data and rock tests, necessary to clearly establish anticipated conditions, to be developed. Clear definition of anticipated conditions projects contractors from risk and owners from spurious claims. In this paper methods of estimating anticipated TBM performance are outlined and examples of analysis used on encountered TBM performance are presented. Methods outlined herein should only be used by persons who have appropriate TBM expertise. Analyses of past TBM performance are essential to prediction. In effect, prediction and analysis are related, one feeds the other.

Peter J Tarkoy

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