DISPOSITIVO PARA LA MEDIDA DE LA CONVERGENCIA EN TUNELES

Device for measuring the convergence in tunnels comprising a main part (5), a cylindrical rod (4), a hollow cylindrical piece (6), an upper cover (7), a lower cover (9), a measuring instrument displacements (10), a square plate (8) with two symmetrical grooves (15) to be fixed to the wall of the tun...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ALVAREZ VIGIL, ARTURO, ALVAREZ FERNANDEZ, M. INMACULADA, LOPEZ GAYARRE, FERNANDO, GONZALEZ NICIEZA, CELESTINO
Format:	Patent
Sprache:	spa
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MINING PHYSICS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS TESTING
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Beschreibung
Zusammenfassung:	Device for measuring the convergence in tunnels comprising a main part (5), a cylindrical rod (4), a hollow cylindrical piece (6), an upper cover (7), a lower cover (9), a measuring instrument displacements (10), a square plate (8) with two symmetrical grooves (15) to be fixed to the wall of the tunnel by fixing means (13) and ensure its verticality, expansive anchor bolts (2) that are inserted in the perimeter of the section of the tunnel and that lead a cable (3). Applicable in the sectors in which they design, produce or use devices to measure the convergence in tunnels, such as machinery and mechanical equipment, construction or extractive industries and oil. (Machine-translation by Google Translate, not legally binding)