Active seismic and passive microtremor HVSR for assessing site effects in Jammu city, NW Himalaya, India—A case study

AK Mahajan, AK Mundepi, N Chauhan… - Journal of Applied …, 2012 - Elsevier
1-D shear wave velocity structure is important for site effect studies and geotechnical
engineering, but it is quite difficult and expensive to derive from the conventional …

Seismic site classification and correlation between VS and SPT-N for deep soil sites in Indo-Gangetic Basin

K Bajaj, P Anbazhagan - Journal of Applied Geophysics, 2019 - Elsevier
Abstract The Indo-Gangetic Basin (IGB) is occupied by the thick deposits of different types of
loose to dense soil due to the active sedimentation. Till date, no detailed study has been …

2D nonlinear site response analysis of typical stiff and soft soil sites at shallow bedrock region with low to medium seismicity

D Chandran, P Anbazhagan - Journal of Applied Geophysics, 2020 - Elsevier
In this study, an attempt has been made to estimate 2D nonlinear seismic site response of a
small scale basin on typical stiff and soft soil sites in Peninsular India (PI). Six survey sites …

Site characterization of urban centers from Himalayan region using active and passive seismic methods

AK Mahajan, R Patial, P Kumar, H Sharma… - Geotechnical and …, 2024 - Springer
Active and passive seismic survey was performed in Kangra valley using three different
methods ie Horizontal-to-Vertical Spectral Ratio (HVSR), Multiple simulations with one …

Identification of shear modulus reduction and damping curve for deep and shallow sites: Kik-Net data

K Bajaj, P Anbazhagan - Journal of Earthquake Engineering, 2021 - Taylor & Francis
Study aims at selecting the suitable shear modulus reduction and damping curve for broad
classification of soil, ie, rock, gravel, sand, and clay. For this purpose, surface and bedrock …

Near-surface characterization and delineation of 2-D shear wave velocity profile from geologically complex landscape of Kangra Valley, NW Himalaya, India

AK Mahajan, P Kumar - Bulletin of Engineering Geology and the …, 2023 - Springer
The geotechnical characterization for delineating stiffness parameters is important to aid
safe engineering foundations. The Multichannel Analysis of Surface Waves (MASW) was …

[HTML][HTML] Futuristic study on seismic response analysis of North Indian soils–A sustainable approach

M Singh, A Prasad, M Bajpai - Sustainable Futures, 2023 - Elsevier
India's growing population and extensive unscientific structures put the country at risk of
suffering major casualties during earthquakes. To make buildings more earthquake …

Selection of representative shear modulus reduction and damping curves for rock, gravel and sand sites from the KiK-Net downhole array

P Anbazhagan, A Prabhakaran, H Madhura… - Natural Hazards, 2017 - Springer
Representative computation of ground response parameters requires accurate information
about nonlinear dynamic behavior of the soil column, commonly incorporated in site …

Site characterisation in Kangra Valley (NW Himalaya, India) by inversion of H/V spectral ratio from ambient noise measurements and its validation by multichannel …

MA Kumar, P Kumar - Near Surface Geophysics, 2018 - earthdoc.org
The ambient noise measurements were performed at 200 sites in and around the upcoming
urban centre of Kangra Valley to derive the predominant frequency of soil. The shear‐wave …

Characterization of the sedimentary cover at the Himalayan foothills using active and passive seismic techniques

AK Mahajan, JJ Galiana-Merino, C Lindholm… - Journal of Applied …, 2011 - Elsevier
The characterization of the sediments, down to bedrock, is very important from the
seismological point of view in order to study the possible earthquake effects (site effects) …