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STUDY ON EFFECT OF GROUND MOTION PARAMETERS ON SEISMIC RESPONSES OF MULTI-LAYER SOIL DEPOSITS

  • Unique Paper ID: 150513
  • Volume: 7
  • Issue: 7
  • PageNo: 86-101
  • Abstract:
  • Earthquakes have occurred for millions of years and will continue in the future as they have in the past. Some will occur in remote, undeveloped areas where damage will be negligible. Others will occur near densely populated urban areas and subject their inhabitants and the infrastructure they depend on to strong shaking. It is impossible to prevent earthquakes from occurring, but it is possible to mitigate the effects of strong earthquake shaking to reduce loss of life, injuries and damage. In recent situations, have been witnessed that there are many failures occurred during earthquake events in despite of scientific technology on structures. Based on the knowledge accretion over decades there is no effective scientific method estimate the origin and magnitude of the earthquake to date, the engineers have to do structures as seismic resistant as possible. During earthquakes, mostly the failure of the structures such as buildings, bridges etc. that leads to widespread destruction. Most soil deposits existing in nature are not purely homogeneous (single-layered) and are found in multi-layered stratum (two or more layers sandwiched in-between). It has been realized from the literature review that no significant studies are available on non-linear behaviour on multi-layered soil deposits. Therefore, the present study focuses on understanding the non-linear behaviour on multi-layered soils deposits against dynamic loads and estimate the effect of ground motion parameters on non-linear response of multi-layer deposits. In this study, six multi-layer soil deposits are taken (i.e., homogenous sand, homogenous clay, sand & clay, clay & sand, sand & clay & sand, clay & sand & clay) and site response analysis were performed using equivalent linear and non-linear employing computer programming DEEPSOIL. The obtained results will be presented in terms of peak ground acceleration (PGA), displacement and strains. The results will be analysed and may be used for providing recommendations to the design engineers planning for efficient earthquake resistant design of foundations in multi-layered soil deposits.
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Cite This Article

  • ISSN: 2349-6002
  • Volume: 7
  • Issue: 7
  • PageNo: 86-101

STUDY ON EFFECT OF GROUND MOTION PARAMETERS ON SEISMIC RESPONSES OF MULTI-LAYER SOIL DEPOSITS

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8.01 (Year 2024)
UGC Approved
Journal no 47859

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