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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.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Multi-asperity contact model for seismic wave propagation through single rock joint./
作者:	Marangos, Orestes.
面頁冊數:	78 p.
附註:	Source: Masters Abstracts International, Volume: 42-06, page: 2275.
Contained By:	Masters Abstracts International42-06.
標題:	Engineering, Civil. -
電子資源:	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.
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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.
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650 4 $a Geophysics. $3 535228
650 4 $a Physics, Acoustics. $3 1019086
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