EP 0794318 B1 20020529 - Tunnel lining
Title (en)
Tunnel lining
Title (de)
Tunnelauskleidung
Title (fr)
Revêtement de tunnel
Publication
Application
Priority
DE 19608264 A 19960304
Abstract (en)
[origin: EP0794318A1] The rings are built up from successive reinforced-concrete segments in the peripheral direction. Each ring (2) contains one or more peripheral undercut recesses (3), which are filled with concrete on site to increase the strength. Each ring can have one undercut near its inner edge, the recesses in adjacent rings being combined to form a single undercut one. The recesses can be of dovetail section, and adjacent rings can be screwed together via profiled sheet-metal components inserted in the recesses before filling with concrete. The concrete used for filling can be reinforced.
IPC 1-7
IPC 8 full level
E21D 11/08 (2006.01); E21D 11/10 (2006.01)
CPC (source: EP)
E21D 11/08 (2013.01); E21D 11/105 (2013.01)
Designated contracting state (EPC)
AT FR NL
DOCDB simple family (publication)
EP 0794318 A1 19970910; EP 0794318 B1 20020529; AT E218182 T1 20020615; DE 19608264 C1 19970507; JP H09317394 A 19971209; SG 79935 A1 20010417
DOCDB simple family (application)
EP 97101838 A 19970206; AT 97101838 T 19970206; DE 19608264 A 19960304; JP 4080197 A 19970225; SG 1997000478 A 19970225