We estimated that in a group of around 2,000 workers involved in these Queensland tunnel projects, 200 to 300 would develop ...

HS2 contractors have constructed portal extensions on the Chiltern Tunnel to reduce micro-pressure waves produced by ...

Urbanisation in South Africa is driving increased demand for tunnelling, fuelled by the need for sustainable transport and expanded water infrastructure.While large-scale tunnelling projects remain ...

Contractors building HS2 have completed work on a pair of innovative extensions to the southern portal of its longest tunnel ...