Product Introductions

The conventional seismic approaches for near-surface inves-tigation have usually been either high-resolution reflection or refrac-tion surveys that deal with a depth range of a few tens to hundreds meters. Seismic signals from these surveys consist of wavelets with frequencies higher than50 Hz. The multichannel analysis of surface waves (MASW) method deals with surface waves in the lower fre-quencies (e.g., 1-30Hz) and uses a much shallower depth range of investigation (e.g., a few to a few tens of meters).

Applications

1.Underground Voids, Underground Rock/Pile

2.Box Culvert, Rock Head Level

3.Pipeline, Geological Stratification 

4.Weak Zones, FaultZones