List of products by author: D. Oliveira

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  Design of Large Span and Shallow Ramp Tunnels

  Abstract: The St. Peters Interchange ramp tunnels are situated at the northern end of the New M5 tunnels, part of the larger WestConnex project in Sydney, Australia. This paper presents an overview of the design for two large span and shallow cover ramp tunnels as designed for the New M5 tunnels. These ramps were excavated through the Ashfield Shale Formation, crossing dykes and faulted ground with a...

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  Permanent rock boltswith100 -yeardesign life in contaminated ground

  Abstract: When used as permanent tunnel support, rock bolts are now universally required to serve a minimum 100-year design life. A couple of options may be considered when designing permanent rock bolts using either Glass-Fibre Reinforced Polymer bolts or steel rebar. Whilst the industry standard steel bar bolt with double corrosion protection system offers suitable protection in non-aggressive...

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