PROCESS FOR UNDERGROUND WORKING MAINTENANCE

With this process a geophysical survey of anomalies is first carried out, delimiting the distribution of zones of water communications in the area adjacent to the underground work, then each zone of water communication is delimited, in relation to the underground work, by laterally constructed grout...

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Bibliographische Detailangaben
Hauptverfasser:	TRAVNICEK LUDVIK CSC, DRIENOVSKY VILIAM, ZAMARSKI BOHUMIL CSC, MOTTL KLIMENT
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING SHAFTS SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	With this process a geophysical survey of anomalies is first carried out, delimiting the distribution of zones of water communications in the area adjacent to the underground work, then each zone of water communication is delimited, in relation to the underground work, by laterally constructed grouting barriers and draining bores are connected up to the existing draining system inside the underground work. In preferable circumstances the detection of water communication zones occurs through the detection of the distribution of electrical resistance of the rock on the other side of the lining. This method of treatment can be used during tunnel repairs.