Norm

NEN-EN 815:1992 Ontw. en

Veiligheid van niet-afgeschermde machines voor het boren van tunnels en machines zonder aandrijfas voor het boren in rotsen

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Over deze norm

Status Ingetrokken
Aantal pagina's 40
Gepubliceerd op 01-09-1992
Taal Engels
The general term 'unshielded tunnel boring machines' encompasses various kinds of machines for mechanical excavation of underground openings such as tunnels and inclined shafts. This is done in a continuous process, without blasting, using a rotating cutter head. Depending on the hardness of the material bein excavated tools of different types are used to cut the rock. Normally rolling discs are employed in medium to very hard rock. All tunnel boring machines, TBM:s and rodless shaft boring machines, RSBM:s, have the tools mounted on a cutter head which rotates under thrust against the rock. The torque required to rotate the cutter head is developed by electric or hydraulic motors, the thrust is normally delivered by hydraulically powered cylinders. This Standard applies to unshielded tunnel, boring machines, TBM:s, and rodless shaft boring machines, RSBM:s and their towed or attached back-up equipment or parts thereof for driving tunnels or shafts in rock where the whole area is excavated in one or more steps by mechanical means. It specifies essential safety requirements for the design, construction and maintenance of such machines together with the methods of verification.

Details

ICS-code 93.060
Nederlandse titel Veiligheid van niet-afgeschermde machines voor het boren van tunnels en machines zonder aandrijfas voor het boren in rotsen
Engelse titel Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock
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Normatieve verwijzingen
  • 98/37/EG, Machines

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