Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
Patent
1983-04-08
1987-05-05
Corbin, David H.
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
Lining
405153, E21D 1108
Patent
active
046627731
ABSTRACT:
Segmental tunnel lining for tunnels, galleries and similar underground works, in which individual tubbings, made of reinforced concrete, are braced, in use, with each other both in annular or peripheral direction and in longitudinal direction with the aid of tension rods (3, 4) and corresponding tensioning elements (5). The rods connect neighboring tubbings (1) and extend in channels (2) in the tubbing. To obtain closed joints as planned in a simple and safe way, each tubbing has no less than one anchor element (6), which is firmly connected with the tubbing at least in the built-in state, for the purpose of anchoring the tension rod which effects the connection with the neighboring tubbing; and the tensioning element, which is arranged on the end of the tension rod opposite the anchor element, is freely accessible for the application of a tensioning machine in the direction of the shaft of the tension rod.
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Baumann Theodor
Schreyegg Otmar
Corbin David H.
Phillip Holzman Aktiengesellschaft
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