Principle

In active MASW method, surface waves are artificially excited, and then received with a set of geophones. The data are recorded with a seismograph. After subsequent processing, the shear wave velocity of the shallow  layer can be calculated underground.

Applications

1.Underground Voids

2.Rock Head Level

3.Geological Stratification 

4.FaultZones

5.Underground Rock/Pile/Pipeline/Box Culvert