SEISMIC SITE RESPONSE ANALYSIS AND EXTRACTION OF DYNAMIC SOIL BEHAVIOR AND PORE PRESSURE RESPONSE FROM DOWNHOLE ARRAY MEASUREMENTS BY

ii Seismic site response analysis is commonly used to predict ground response due to local soil effects. Advancements in the knowledge of shear-induced excess pore pressure generation has led to the development and implementation of pore pressure response models for site response analysis with effective stress consideration. This thesis chiefly regards the further development of an inverse analysis procedure to extract dynamic soil behavior and pore pressure response from downhole array measurements. Downhole arrays are increasingly being deployed to measure motions at the ground surface and within the soil profile, with some arrays instrumented to measure the pore pressure response throughout the soil profile. The measurements from these arrays provide valuable data to validate site response analysis models and also to reveal the coupled soil behavior and pore pressure response during seismic excitation. However, the current approaches do not fully benefit from the downhole array measurements. Once the prediction is different from the measurements, site response analysis models cannot be readily calibrated to match fiel