Please use this identifier to cite or link to this item: https://dspace.iiti.ac.in/handle/123456789/12781
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dc.contributor.authorNeelima Satyam, D.en_US
dc.date.accessioned2023-12-14T12:38:27Z-
dc.date.available2023-12-14T12:38:27Z-
dc.date.issued2023-
dc.identifier.citationZahoor, F., Rao, K. S., Mir, B. A., & Satyam, N. (2023a). Geophysical surveys in the Kashmir valley (J&K Himalayas) part I: Estimation of dynamic parameters for soils and investigation of the deep basin structure. Soil Dynamics and Earthquake Engineering. Scopus. https://doi.org/10.1016/j.soildyn.2023.108155en_US
dc.identifier.issn0267-7261-
dc.identifier.otherEID(2-s2.0-85167455770)-
dc.identifier.urihttps://doi.org/10.1016/j.soildyn.2023.108185-
dc.identifier.urihttps://dspace.iiti.ac.in/handle/123456789/12781-
dc.description.abstractExtensive geophysical surveys (MHVSR and MASW) conducted for the microzonation of the Kashmir Valley, Himalayas, revealed unexpected dynamic characteristics at certain sites pointing out the weak relationship between fundamental frequency (f0) and time-averaged shear wave velocity over 30 m depth (VS,30). Unusual low-frequency amplification at stiff soil sites and high-frequency amplification at weathered rock sites was obtained. On the contrary, high-frequency amplification was attained at a soft soil site over shallow bedrock. Instances of topographic amplification on slopes, hills, and valleys were encountered. Consequently, the commonly used VS,30-based single-proxy site classification failed to explain these atypical site effects, thus underscoring the caution to be exercised for site classification in geologically complex regions. These findings motivated the documentation of the anomalies and the search for the most suitable site characterisation scheme for the geological deposits of the Kashmir Valley. The coupled MHVSR-VS,30 proxy approach accomplished the best results for the study region. © 2023 Elsevier Ltden_US
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.sourceSoil Dynamics and Earthquake Engineeringen_US
dc.subjectAnomalous site effectsen_US
dc.subjectKashmir valleyen_US
dc.subjectMHVSR and MASWen_US
dc.subjectSeismic site characterisationen_US
dc.subjectTopographic amplificationen_US
dc.titleGeophysical surveys in the Kashmir valley (J&K Himalayas) part II: Anomalous seismic site-effects and exploration of alternative site classification schemesen_US
dc.typeJournal Articleen_US
Appears in Collections:Department of Civil Engineering

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