METHOD FOR CONSOLIDATING AND SEALING OF GEOLOGICAL FORMATIONS CONSISTING OF MOIST OR WATER-BEARING ROCKS

The present invention is directed to a process for strengthening and sealing geological formations which are moist or contain water, in particular loose stone, by the injection of a mixture which reacts to form polyurethane, characterized in that a polyisocyanate component is injected before injecti...

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Bibliographische Detailangaben
Hauptverfasser:	VOLFGANG KORNELI,DE, BERNKHARD MAJDL,DE, MAKS MANN,DE, KHANS MEKHESH,DE, DITRIKH SHTAJN,DE, MANFRED KAPPS,DE, FRANK MEJER,DE, KNUD GERDES,DE
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES SHAFTS TUNNELS
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Beschreibung
Zusammenfassung:	The present invention is directed to a process for strengthening and sealing geological formations which are moist or contain water, in particular loose stone, by the injection of a mixture which reacts to form polyurethane, characterized in that a polyisocyanate component is injected before injection of the reaction mixture.