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http://dx.doi.org/10.9711/KTAJ.2014.16.2.237

Estimation of design parameters of TBM using punch penetration and Cerchar abrasiveness test  

Jeong, Ho-Young (Department of Energy Systems Engineering, Seoul National University)
Lee, Sudeuk (Department of Energy Systems Engineering, Seoul National University)
Jeon, Seokwon (Department of Energy Systems Engineering, Seoul National University)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.16, no.2, 2014 , pp. 237-248 More about this Journal
Abstract
Linear cutting test is known to be very effective to determine machine parameters (i.e. thrust force and torque) and to estimate penetration rate of TBM and other operation conditions. Although the linear cutting test has significant advantages, the test is expensive and time-consuming because it requires large size specimen and high load capacity of the testing machine. Therefore, a few empirical prediction models (e.g. CSM, NTNU and QTBM) alternatively adopt laboratory index tests to estimate design parameters of TBM. This study discusses the estimation method of TBM machine parameters and disc cutter consumption using punch penetration test and Cerchar abrasion test of which the researches are rare. The cutter forces and cutter consumption can be estimated by the empirical models derived from the relationship between laboratory test result with field data and linear cutting test data. In addition, the estimation process was programmed through which the design parameters of TBM (e.g. thrust, torque, penetration rate, and cutter consumption) are automatically estimated using laboratory test results.
Keywords
Punch penetration test; Cerchar abrasion test; Disc cutter; TBM;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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