Empirical design of span openings in weak rock

This thesis presents ground control best practices in weak rock environments including an augmentation to the existing Span Design curve by adding 463 case histories of RMR76 values ranging from 25 to 60. A Neural Network analysis of this data has been added and compared to the existing Span Design...

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Bibliographic Details
Main Author: Ouchi, Andrea Miyuki
Format: Others
Language:English
Published: University of British Columbia 2008
Subjects:
Online Access:http://hdl.handle.net/2429/2398

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