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Multi-asperity contact model for sei...

Marangos, Orestes.

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Multi-asperity contact model for seismic wave propagation through single rock joint.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Multi-asperity contact model for seismic wave propagation through single rock joint./
Author:	Marangos, Orestes.
Description:	78 p.
Notes:	Source: Masters Abstracts International, Volume: 42-06, page: 2275.
Contained By:	Masters Abstracts International42-06.
Subject:	Engineering, Civil. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1419683
ISBN:	0496244352

Multi-asperity contact model for seismic wave propagation through single rock joint.
Marangos, Orestes.

Multi-asperity contact model for seismic wave propagation through single rock joint. - 78 p.

Source: Masters Abstracts International, Volume: 42-06, page: 2275.

Thesis (M.S.)--University of Missouri - Kansas City, 2004.

A multi-asperity micromechanical model along with an energy approach is utilized to investigate the details of reflection, transmission and conversion of plane seismic waves incident upon a rough rock joint. In the multi-asperity micromechanical methodology, the behavior of a rock joint is obtained by considering the behavior of asperity contacts and the statistical description of rock joint surface topography. The overall average energy transmission through rock joint is obtained as the sum of the asperity contact average energy transmissions. The transmitted and reflected wave amplitudes obtained by this approach are found to be dependent upon the incident wave frequency, rock joint roughness and closure, rock material properties and existing normal stress conditions. We also find that the reflected P-wave amplitude is strongly correlated to the average asperity contact orientation. Consequently by exercising the model, information about the existing rock joint normal stress conditions and the initial overlap may be obtained.

ISBN: 0496244352Subjects--Topical Terms:

783781
Engineering, Civil.

Multi-asperity contact model for seismic wave propagation through single rock joint.
LDR:01935nmm 2200289 4500 001 1839800
005 20050630133820.5
008 130614s2004 eng d
020 $a 0496244352
035 $a (UnM)AAI1419683
035 $a AAI1419683
040 $a UnM $c UnM
100 1 $a Marangos, Orestes. $3 1928170
245 1 0 $a Multi-asperity contact model for seismic wave propagation through single rock joint.
300 $a 78 p.
500 $a Source: Masters Abstracts International, Volume: 42-06, page: 2275.
500 $a Adviser: Anil Misra.
502 $a Thesis (M.S.)--University of Missouri - Kansas City, 2004.
520 $a A multi-asperity micromechanical model along with an energy approach is utilized to investigate the details of reflection, transmission and conversion of plane seismic waves incident upon a rough rock joint. In the multi-asperity micromechanical methodology, the behavior of a rock joint is obtained by considering the behavior of asperity contacts and the statistical description of rock joint surface topography. The overall average energy transmission through rock joint is obtained as the sum of the asperity contact average energy transmissions. The transmitted and reflected wave amplitudes obtained by this approach are found to be dependent upon the incident wave frequency, rock joint roughness and closure, rock material properties and existing normal stress conditions. We also find that the reflected P-wave amplitude is strongly correlated to the average asperity contact orientation. Consequently by exercising the model, information about the existing rock joint normal stress conditions and the initial overlap may be obtained.
590 $a School code: 0134.
650 4 $a Engineering, Civil. $3 783781
650 4 $a Geophysics. $3 535228
650 4 $a Physics, Acoustics. $3 1019086
690 $a 0543
690 $a 0373
690 $a 0986
710 2 0 $a University of Missouri - Kansas City. $3 1021712
773 0 $t Masters Abstracts International $g 42-06.
790 1 0 $a Misra, Anil, $e advisor
790 $a 0134
791 $a M.S.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1419683