Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bretby tunnelling machine
Operational specification is given of Bretby tunneling machine for cutting rocks with compressive strength up to 30,000 psi; description of machine includes details of cutting heat, cutter motors and transmission, anchor unit, and main structure; methods of debris-disposal, ventilation, and dust-suppression are also described; hydraulic circuit, electric equipment and automatic control systems are described, together with details of safety interlocks and monitoring and testing facilities.
Bretby tunnelling machine
Operational specification is given of Bretby tunneling machine for cutting rocks with compressive strength up to 30,000 psi; description of machine includes details of cutting heat, cutter motors and transmission, anchor unit, and main structure; methods of debris-disposal, ventilation, and dust-suppression are also described; hydraulic circuit, electric equipment and automatic control systems are described, together with details of safety interlocks and monitoring and testing facilities.
Bretby tunnelling machine
Instn Civ Engrs -- Proc
Wrathall, R.W. (Autor:in) / Hughes, H.M. (Autor:in) / Hay, J.D. (Autor:in)
1965
26 pages
Plate
Aufsatz (Zeitschrift)
Englisch
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