Investigation of Joint properties and Rock Situation in Bore-hole. And so give parameters for economic &
good design of tunnel and slope
Results : Amplitude of ultrasonic, Imaging of Travel-time, Dip/Dipdirection of Joint
  Investigation of Ground Structure & Dynamic modulus in borehole
Acquisition of Geosubgrade Seismic Velocity (P wave , S wave)
  Investigation of Density & Void ratio by volume density of Stratum
Analysis of Ground Structure by counting gamma ray
Acquisition of Natural radioactivity and Density of rocks