Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/7165
Title: Utilizing rock mass properties for predicting TBM performance in hard rock condition
Authors: Yağız, Saffet
Keywords: BTS
Discontinuity
TBM
Toughness
UCS
Boring
Boring machines (machine tools)
Brittleness
Rocks
Statistical methods
Tensile strength
Tunneling machines
Rock mass properties
Rock tunnel
Tunnel-boring machine (TBM)
Tunnels
compressive strength
hard rock
rock mass classification
rock mechanics
rock property
Abstract: The key parameters on the estimation of tunnel-boring machine (TBM) performance are rock strength, toughness, discontinuity in rock mass, type of TBM and its specifications. The aim of this study is to both assess the influence of rock mass properties on TBM performance and construct a new empirical equation for estimation of the TBM performance. To achieve this aim, the database composed of actual measured TBM penetration rate and rock properties (i.e., uniaxial compressive strength, Brazilian tensile strength, rock brittleness/toughness, distance between planes of weakness, and orientation of discontinuities in rock mass) were established using the data collected from one hard rock TBM tunnel (the Queens Water Tunnel # 3, Stage 2) about 7.5 km long, New York City, USA. Intact rock properties were obtained from laboratory studies conducted at the Earth Mechanics Institute (EMI) in the Colorado School of Mines, CO, USA. Based on generated database, the statistical analyses were performed between available rock properties and measured TBM data in the field. The result revealed that rock mass properties have strong affect on TBM performance. It is concluded that TBM performance could be estimated as a function of rock properties utilizing new equation (r = 0.82). © 2007 Elsevier Ltd. All rights reserved.
URI: https://hdl.handle.net/11499/7165
https://doi.org/10.1016/j.tust.2007.04.011
ISSN: 0886-7798
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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