Mine-Used Rayleigh Wave Detector

Applications ·In advance detection of small structures ahead mine working face, for example, fault, fractured zone, coal seam thinning etc ·Measurement of safety thickness of cross cut ·Measurement of safety thickness to aquiferous and gaseous structures ·Depth and thickness variation of next seams ·Thickness measurement of impermeable layer of shaft floor ·Fault tracing at sides of shaft ·In advance detection of hidden structures at sides of shaft ·Detection of hidden structures in working face, detection of discontinuous geological bodies in seam