Framework for assessing probability of exceeding a specified liquefaction-induced settlement at a given site in a given exposure time

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Title:	Framework for assessing probability of exceeding a specified liquefaction-induced settlement at a given site in a given exposure time
Authors:	Lu,CC;Hwang,JH;Juang,CH;Ku,CS;Luo,Z
Contributors:	土木工程研究所
Keywords:	SOIL LIQUEFACTION;EARTHQUAKES;RESISTANCE
Date:	2009
Issue Date:	2010-06-29 17:09:41 (UTC+8)
Publisher:	中央大學
Abstract:	This paper presents a framework for assessing the probability of exceeding a specified liquefaction-induced settlement at a given site in a given exposure time. This framework deals not only with the effect of liquefaction (in terms of settlement) but also with probabilistic characterization of all possible ground motions at a given site (in terms of a joint distribution of a(max) and M-w). Additionally, a new concept, referred to herein as liquefaction-induced settlement hazard curve, is introduced for assessing the annual rate of settlement exceedance at a given site. This settlement hazard curve concept has the potential to be a very useful tool in the field of geotechnical earthquake engineering. Satisfactory results are obtained in the demonstration examples analyzed with the proposed framework. Whereas the proposed framework is simple and effective, further refinements to this framework, especially on the treatment of epistemic uncertainty, are warranted. (C) 2009 Elsevier B.V. All rights reserved.
Relation:	ENGINEERING GEOLOGY
Appears in Collections:	[Graduate Institute of Civil Engineering] journal & Dissertation

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