Multiscale Random Field-Based Shear Wave Velocity Mapping and Site Classification

Wenxin Liu, Chaofeng Wang, Qiushi Chen, Guoxing Chen, C. Hsein Juang

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

The average shear-wave velocity in the first 30 m of subsoil, Vs30, is a key indicator of site response affecting the ground-motion amplification for many earthquake-engineering applications. It is, therefore, of great importance to estimate Vs30 accurately, especially for significant civil projects. This paper presents a framework that utilizes multiscale random field models incorporated with spatial dependence of soil properties to estimate Vs30 at any location neighboring measured data with the secondary information at hilly area (U.S. Geological Survey global Vs30 map that is generated based on the topographic slope). The capability to consistently refine and generate estimates across different scales, from regional scale all the way to local site-specific scale, makes the developed framework able to provide high resolution estimates within any specified regions. Monte Carlo simulations are performed and a multiresolution map of Vs30 at Suzhou site is generated. The new map then applied to site classification. Feasible results obtained.

原文???core.languages.en_GB???
主出版物標題Geotechnical Special Publication
編輯Jinsong Huang, Gordon A. Fenton, Limin Zhang, D. V. Griffiths
發行者American Society of Civil Engineers (ASCE)
頁面410-419
頁數10
版本GSP 284
ISBN(電子)9780784480717
DOIs
出版狀態已出版 - 2017
事件Geo-Risk 2017 - Denver, United States
持續時間: 4 6月 20177 6月 2017

出版系列

名字Geotechnical Special Publication
號碼GSP 284
0
ISSN(列印)0895-0563

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???event.eventtypes.event.conference???Geo-Risk 2017
國家/地區United States
城市Denver
期間4/06/177/06/17

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