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Overturning of slender blocks: Numer...

University of Nevada, Reno.

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Overturning of slender blocks: Numerical investigation and application to precariously balanced rocks in southern California.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Overturning of slender blocks: Numerical investigation and application to precariously balanced rocks in southern California./
作者:	Purvance, Matthew D.
面頁冊數:	247 p.
附註:	Adviser: James Brune.
Contained By:	Dissertation Abstracts International67-03B.
標題:	Engineering, Mechanical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=3210928
ISBN:	9780542602894

Overturning of slender blocks: Numerical investigation and application to precariously balanced rocks in southern California.
Purvance, Matthew D.

Overturning of slender blocks: Numerical investigation and application to precariously balanced rocks in southern California. - 247 p.

Adviser: James Brune.

Thesis (Ph.D.)--University of Nevada, Reno, 2005.

This dissertation focuses on the parameterization of slender block overturning with application towards precariously balanced rocks (PBRs) in southern California. In order to quantify overturning in terms of block size, block shape, and excitation intensity, an extensive numerical experiment has been undertaken. The probabilistic formulation adopted in this dissertation, motivated by the work of Yim et al. (1980), regularizes the overturning responses in a very useful way. As a result, systematic overturning behavior is observed. Both logistic and multiple least squares regression analyses have been used to parameterize the overturning responses. In addition, the author has devised an approximate method to obtain prediction intervals through transformation techniques. Comparisons between the numerical formulation and overturning data derived from shake table experiments strongly suggests that the numerical formulation is applicable the prediction of PBR overturning. A methodology for the comparison of PBRs with ground motion models has been developed and applied to PBR sites in southern California. Ground motion models that utilize the attenuation relations of Abrahamson and Silva (1997), Boore et al. (1997), Gregor et al. (2002), and Abrahamson (2005) have been investigated at PBR sites near to the San Andreas, San Jacinto, Elsinore, and White Wolf faults. The ground motion models that use the Abrahamson and Silva (1997) and Gregor et al. (2002) relations are more inconsistent with the PBRs than the ground motion models that utilize the Boore et al. (1997) and Abrahamson (2005) relations. These findings may be used to refine current PSHA methodologies.

ISBN: 9780542602894Subjects--Topical Terms:

783786
Engineering, Mechanical.

Overturning of slender blocks: Numerical investigation and application to precariously balanced rocks in southern California.
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