EP 0549595 B1 19961211 - METHOD OF MANUFACTURING A HOLLOW SELF-SUPPORTING CONCRETE STRUCTURE
Title (en)
METHOD OF MANUFACTURING A HOLLOW SELF-SUPPORTING CONCRETE STRUCTURE
Title (de)
VERFAHREN ZUM HERSTELLEN VON EINER SELBSTTRAGENDEN BETONKONSTRUKTION
Title (fr)
PROCEDE DE FABRICATION D'UNE STRUCTURE AUTOPORTEUSE ET CREUSE EN BETON
Publication
Application
Priority
NL 9100130 W 19910719
Abstract (en)
[origin: WO9302264A1] The invention relates to a method and means for manufacturing freely supported dome or tunnel-shaped structures by means of spraying a particular mortar with micro silica onto an inflated bladder (2) or sheet with or without a primarily applied layer (15) of foam and with or without reinforcing means (23, 24, 28) in particular for manufacturing a tunnel-shaped span (21) for a highway or railway portion.
IPC 1-7
IPC 8 full level
E01F 8/00 (2006.01); E04G 11/04 (2006.01); E04G 21/02 (2006.01); E21D 11/00 (2006.01)
CPC (source: EP)
E01F 8/00 (2013.01); E04G 11/04 (2013.01); E04G 11/045 (2013.01); E21D 11/00 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
WO 9302264 A1 19930204; AU 8280491 A 19930223; BR 9106954 A 19940125; CA 2091938 A1 19930120; CA 2091938 C 19970121; DE 69123593 D1 19970123; EP 0549595 A1 19930707; EP 0549595 B1 19961211
DOCDB simple family (application)
NL 9100130 W 19910719; AU 8280491 A 19910719; BR 9106954 A 19910719; CA 2091938 A 19910719; DE 69123593 T 19910719; EP 91913904 A 19910719