EARTHQUAKE DEFORMATION ESTIMATES FOR RISK ANALYSIS

机译：风险分析的地震变形估计

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Risk analysis for embankment dams for earthquake loading requires the estimation of earthquake-induced deformations, in particular crest settlements. This can be problematic when evaluating cases with liquefiable foundation and/or embankment materials, for which the embankment deformations may exceed magnitudes that can be easily calculated with finite element or finite difference numerical analysis programs. Addressing this condition can require time-consuming remeshing of elements, sometimes more than once. To support a recent risk analysis, the authors extended the results of detailed finite difference analysis through the use of simplified dynamic runout method (DRUM) analysis. This paper will discuss how the DRUM method can be used to supplement deformation calculations completed with more complex numerical analysis methods. The application of the method will be illustrated with results of analysis for a large embankment dam.

机译：对堤坝进行地震荷载的风险分析需要估算地震引起的变形，特别是波峰沉降。在评估具有可液化地基和/或路堤材料的情况时，这可能会出现问题，因为对于这些情况，路堤变形可能会超过可通过有限元或有限差分数值分析程序轻松计算出的幅度。解决此问题可能需要耗时的元素重新刷新，有时不止一次。为了支持最新的风险分析，作者通过使用简化的动态跳动方法（DRUM）分析扩展了详细的有限差分分析的结果。本文将讨论如何使用DRUM方法来补充使用更复杂的数值分析方法完成的变形计算。将通过对大型堤坝的分析结果来说明该方法的应用。

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来源
《Collaborative management of integrated watersheds》|2010年|P.169-183|共15页
会议地点 Sacramento CA(US)
作者
John W. France; rnChristina Winckler; rnRon Oaks;
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URS Corporation, 8181 East Tufts Avenue, Denver, CO 80237;

rnURS Corporation 8181 East Tufts Avenue, Denver, CO 80237;

rnU.S. Department of the Interior, Bureau of Reclamation, Technical Service Center, P.O. Box 25007, Denver, CO 80225-0007;

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专利

1. Statistical simulation analysis of the correlation between the annual estimated key regions with a certain seismic risk and the earthquakes in China [J] . 地震学报（英文版） . 2000,第005期

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3. Deformation rates estimated from earthquakes in the northern Cordillera of Canada and eastern Alaska [J] . Lucinda J. Leonard, Stéphane Mazzotti, Roy D. Hyndman Journal of geophysical research. Solid earth: JGR . 2008,第b8期

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4. EARTHQUAKE DEFORMATION ESTIMATES FOR RISK ANALYSIS [C] . John W. France, Christina Winckler, Ron Oaks USSD annual meeting and conference . 2010

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8. A Simplified Procedure for Estimating Earthquake-Induced Deformations in Dams and Embankments, [R] . makdisi, f. i. seed, h. bolton 1978

机译：估算大坝和堤防中地震引起的变形的简化程序，

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