MASW is a seismic surfae wave method for geotechnical applications. It evaluates stiffness and shear-wave velocity of ground materials in a depth range of engineering interest.

Home of the multichannel analysis of surface waves (MASW) method, a seismic surface wave method for shear wave velocity evaluation for geotechnical site characterization.

Typical applications of MASW method are described. Soil-bedrock mapping, seismic site characterization, anomaly detection, compaction evaluation, grouting evaluation, etc.

The multichannel analysis of surface waves (MASW) method deals with surface waves in the lower fre-quencies (e.g., 1-30 Hz) and uses a much shallower depth range of investigation (e.g., a few to a few …

General procedure of MASW method is explained. How to acquire and collect MASW data in the field, process them. Field logistics of MASW method. Optimum field parameters. MASW dispersion and …

Software for MASW analysis is discussed in its required specifications. Key features and algorithms are explained. Practical, yet critical, aspects of MASW software are also discussed. ParkSEIS is the …

Multichannel analysis of surface waves (MASW) tries to overcome the few weaknesses of the SASW method. The entire process classically used to produce a vs profile through spectral analysis of …

Field equipment and overall procedure for active MASW survey are explained here. The field procedure for passive MASW is different and explained under Passive MASW

Why shear-wave velocity (Vs) is obtained from MASW survey is discussed. How shear-wave velocity (Vs) is related to stiffness is explained. Relationship between elastic moduli and shear-wave velocity …

Passive MASW methods are described. Passsive remote and roadside MASW surveys with data acquisition and processing. Active and passive combined survey. 2-D and 1-D receiver array methods.