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Conference Proceedings

14th Australasian Tunnelling Conference

Conference Proceedings

14th Australasian Tunnelling Conference

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Recommended Design Methods and Serviceability Limits for Permanent Rock Bolts

The use of rock bolts as permanent support has been prohibited by client specifications in several recent large tunnel projects in Australia. The justification for this appears to lie in concerns with proper and verifiable installation procedures rather than concerns with the intrinsic durability of the corrosion protection systems. However, in civil tunnels, preventing the use of permanent rock bolts for long-term support results in the use of cast in place concrete lining which in some instances would otherwise be unnecessary.
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  • Recommended Design Methods and Serviceability Limits for Permanent Rock Bolts
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  • Published: 2011
  • PDF Size: 0.435 Mb.
  • Unique ID: P201102047

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