MINSK, 28 September (BelTA) – The first of the two shaft boring roadheaders (SBR machines) has been delivered to the site of the Nezhinsky potash mining and processing factory in Lyuban District, ...

The SBR machines weigh about 400 t each and are about 52 m high when assembled. Owing to the large size of the machines, they have to be shipped as disassembled components, which are then re-assembled ...

Dortmund-based shaft construction specialist Redpath Deilmann has used two Shaft Boring Roadheaders (SBRs) from mechanised tunnelling company Herrenknecht, for the first time in Europe. The recently ...

For example, the Jansen application led to the SBR being equipped with an additional stabilisation level, allowing for the fixation of the SBR centre pipe on both ends. This ensured a stable transfer ...