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Site Characterization and Seismic Site Response Study for Bagan Area

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Site Characterization and Seismic Site Response Study for Bagan Area


Khin Yupar Maung | Kyaw Kyaw



Khin Yupar Maung | Kyaw Kyaw "Site Characterization and Seismic Site Response Study for Bagan Area" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-5, August 2020, pp.1586-1590, URL: https://www.ijtsrd.com/papers/ijtsrd33202.pdf

Bagan, the cultural heritage city of Myanmar located in the Mandalay region, which is very close to the active Sagaing fault. Most of Bagan’s cultural heritage monuments have been damaged due to earthquakes. Therefore, seismic response analysis is needed to evaluate site response characteristics for retrofitting and preservation of the historical monuments in Bagan. Site response studies require the characterization of subsurface materials considering local subsurface profiles of the site. The main target of the present study is site characterization and the estimation of seismic site response for the Bagan monument area. For this purpose, a geophysical survey such as microtremors was carried out to determine the variation of soil profile as well as the characteristics of the soil layers within the study site. Shear wave velocities at the study sites were estimated through the inversion of microtremors H/V spectrum. The sites were categorized based on the average shear wave velocity of the overburden soil above the bedrock as Class ‘D’ (Stiff Soil Profile) and Class ‘C’ (Very Dense Soil and Soft Rock). Equivalent linear site response analysis of layered soil deposits was carried out using DEEPSOIL software which determines peak ground acceleration (PGA) and response spectrum. The maximum surface PGA was found 0.24g and the maximum acceleration of surface motion is 1.13g at a period of 0.14s.

Bagan, earthquake, site characterization, site response, Peak ground acceleration (PGA), surface motion


IJTSRD33202
Volume-4 | Issue-5, August 2020
1586-1590
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

International Journal of Trend in Scientific Research and Development - IJTSRD having online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International Journal which provides rapid publication of your research articles and aims to promote the theory and practice along with knowledge sharing between researchers, developers, engineers, students, and practitioners working in and around the world in many areas like Sciences, Technology, Innovation, Engineering, Agriculture, Management and many more and it is recommended by all Universities, review articles and short communications in all subjects. IJTSRD running an International Journal who are proving quality publication of peer reviewed and refereed international journals from diverse fields that emphasizes new research, development and their applications. IJTSRD provides an online access to exchange your research work, technical notes & surveying results among professionals throughout the world in e-journals. IJTSRD is a fastest growing and dynamic professional organization. The aim of this organization is to provide access not only to world class research resources, but through its professionals aim to bring in a significant transformation in the real of open access journals and online publishing.

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