Eastlink Tunnels – From Investigations to Design

Anthony Bennett

Decision makers increasing consider tunneling as an option for developing and improving infrastructure. Tunnels can be constructed in many different ground conditions for many different uses. This presentation gives an overview of tunneling techniques, including excavation and ground support systems. This is followed in more detail by a description of the development of the design of a road tunnel in rock, drawing on experience in the EastLink tunnels in Melbourne.

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