SPRAYING OF FIBERED UHPC FOR REINFORCING AND RESTORING PRE-EXISTING STRUCTURES

A method for reinforcing a structure comprising the following steps:preparation of UHPFRC comprising a cement precursor mix, of water, a fluidizing agent and metal fibers,transporting the UHPFRC by pumping to a suitable spray nozzle,spraying the mix onto a surface of the structure by the addition of...

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Bibliographische Detailangaben
Hauptverfasser:	HUYNH TUONG, Alain, PETIT, Bertrand, TEPLY, François, CHAUX, Cédric-Olivier
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ARTIFICIAL STONE BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EARTH DRILLING FIXED CONSTRUCTIONS FORMS GALLERIES HANDLING BUILDING MATERIALS ON THE SITE LARGE UNDERGROUND CHAMBERS LIME, MAGNESIA METALLURGY MINING PERFORMING OPERATIONS PREPARING CLAY PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL,e.g. PLASTER REFRACTORIES REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHAFTS SHUTTERING SLAG SPRAYING OR ATOMISING IN GENERAL TRANSPORTING TREATMENT OF NATURAL STONE TUNNELS WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	A method for reinforcing a structure comprising the following steps:preparation of UHPFRC comprising a cement precursor mix, of water, a fluidizing agent and metal fibers,transporting the UHPFRC by pumping to a suitable spray nozzle,spraying the mix onto a surface of the structure by the addition of a compressed air stream in the spray nozzle.