Site Investigation

Investigation of the physical properties of local geological materials is important for many engineering applications. For example, geological materials play a significant role in influencing earthquake ground motion. As seismic waves propagate towards the surface, they undergo modifications due to various factors that alter the frequency and amplitude of seismic phases. Evaluating the susceptibility of geological materials beneath structures to motion amplification is crucial for site-specific projects. At Mahan Geophysical Consulting, we offer the following services for site investigation:

• Design and implementation of geophysical surveys (for example, refraction seismic survey or microtremor data acquisition).
• Construction of subsurface structural image.
• Determination of site-specific parameters such as velocity profile, depth to bedrock, and natural frequency.
• Estimation of linear and non-linear ground motion amplification and site classification.
• Generation of amplification susceptibility maps.