Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Development of rock bolt system for permanent support at NORAD
Problems of excavation and roof support encountered in construction of underground installation of North American Air Defense Command Combat Operations Center at Colorado Springs, Colo; Command Center consists of three large chambers and interconnecting tunnels excavated out of granite; requirement for controlled blasting, selection of rock support system, tests to determine anchorage strength and grouting tests, development of high strength bolts, static stress determinations.
Development of rock bolt system for permanent support at NORAD
Problems of excavation and roof support encountered in construction of underground installation of North American Air Defense Command Combat Operations Center at Colorado Springs, Colo; Command Center consists of three large chambers and interconnecting tunnels excavated out of granite; requirement for controlled blasting, selection of rock support system, tests to determine anchorage strength and grouting tests, development of high strength bolts, static stress determinations.
Development of rock bolt system for permanent support at NORAD
Missouri. Univ -- Symposium Rock Mechanics -- Proc
Underwood, L.B. (Autor:in) / Distefano, C.J. (Autor:in)
6th Symposium on Rock Mechanics ; 1964
1964
44 pages
Aufsatz (Konferenz)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
| Engineering Index Backfile | 1964
Rock bolt and shotcrete as a permanent support system in weak rock tunnel
| British Library Conference Proceedings | 1992