METHOD FOR MEASURING SPRAY THICKNESS AND MEASURING DEVICE THEREFOR

PROBLEM TO BE SOLVED: To easily and accurately measure the thickness of a sprayed material on a wall surface after excavation. SOLUTION: In such a state where a excavation section can be scanned along its circumferential direction while the excavated section is collimated almost orthogonally by usin...

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Bibliographische Detailangaben
Hauptverfasser:	NAMURA HITOSHI, IMAOKA HIKOZO, TANAKA YASUHIRO, TAJIMA NOBUHISA, TAKAMICHI TOSHIMITSU, SASAKI TOSHIAKI, ANDO SHOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES GYROSCOPIC INSTRUMENTS LARGE UNDERGROUND CHAMBERS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MINING NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SHAFTS SURVEYING TESTING TUNNELS
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