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Keywords: excavation method
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Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-134
...Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla & Jiménez (Eds) © 2014 Taylor & Francis Group, London, 978-1-138-00149-7 D&B versus TBM: Review of the parameters for a right choice of the excavation method F.J. Macias & A. Bruland Department of Civil...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-006
... for individual tunnels. The main factors influencing the EDZ include overburden depth, tunnel section and geometry, excavation methods, stress field, lithology, joints, etc. However, compared to tunnel geometry, the widths of tunnels within the EDZ still have some variation that can be described as follows: (1...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-036
... and one sub-horizontal joint set. To the south of the railway station, a 30 m wide tunnel section will be excavated through a major fault. The central part of the fault is expected to influence the stability and excavation methods over an axial length of up to 100 m. Stress measurements indicate only...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-096
... pro-gram of site investigation and the application of rock mass classification approach. During excavation the rock mass conditions encountered were different to those predicted at the project design stage, and as a result the excavation methods and the tunnel support systems had to be changed...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-166
... different excavation techniques, with the objective of comparing the dependence of EDZ development on the excavation method. The near-by tunnel sections were of similar geometry and orientation, and were excavated under similar initial conditions. Acoustic emission (AE) activity in rocks results primarily...

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