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Laboratory investigations of earthqu...

Xia, Kaiwen.

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Laboratory investigations of earthquake dynamics.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Laboratory investigations of earthquake dynamics./
作者:	Xia, Kaiwen.
面頁冊數:	124 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-01, Section: B, page: 0168.
Contained By:	Dissertation Abstracts International66-01B.
標題:	Geophysics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3161150
ISBN:	0496944975

Laboratory investigations of earthquake dynamics.
Xia, Kaiwen.

Laboratory investigations of earthquake dynamics. - 124 p.

Source: Dissertation Abstracts International, Volume: 66-01, Section: B, page: 0168.

Thesis (Ph.D.)--California Institute of Technology, 2005.

In this thesis this will be attempted through controlled laboratory experiments that are designed to mimic natural earthquake scenarios. The earthquake dynamic rupturing process itself is a complicated phenomenon, involving dynamic friction, wave propagation, and heat production. Because controlled experiments can produce results without assumptions needed in theoretical and numerical analysis, the experimental method is thus advantageous over theoretical and numerical methods.

ISBN: 0496944975Subjects--Topical Terms:

535228
Geophysics.

Laboratory investigations of earthquake dynamics.
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245 1 0 $a Laboratory investigations of earthquake dynamics.
300 $a 124 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-01, Section: B, page: 0168.
500 $a Advisers: Ares J. Rosakis; Hiroo Kanamori.
502 $a Thesis (Ph.D.)--California Institute of Technology, 2005.
520 $a In this thesis this will be attempted through controlled laboratory experiments that are designed to mimic natural earthquake scenarios. The earthquake dynamic rupturing process itself is a complicated phenomenon, involving dynamic friction, wave propagation, and heat production. Because controlled experiments can produce results without assumptions needed in theoretical and numerical analysis, the experimental method is thus advantageous over theoretical and numerical methods.
520 $a Our laboratory fault is composed of carefully cut photoelastic polymer plates (Homahte-100, Polycarbonate) held together by uniaxial compression. As a unique unit of the experimental design, a controlled exploding wire technique provides the triggering mechanism of laboratory earthquakes. Three important components of real earthquakes (i.e., pre-existing fault, tectonic loading, and triggering mechanism) correspond to and are simulated by frictional contact, uniaxial compression, and the exploding wire technique. Dynamic rupturing processes are visualized using the photoelastic method and are recorded via a high-speed camera. Our experimental methodology, which is full-field, in situ, and non-intrusive, has better control and diagnostic capacity compared to other existing experimental methods.
520 $a Using this experimental approach, we have investigated several problems: dynamics of earthquake faulting occurring along homogeneous faults separating identical materials, earthquake faulting along inhomogeneous faults separating materials with different wave speeds, and earthquake faulting along faults with a finite low wave speed fault core. We have observed supershear ruptures, subRayleigh to supershear rupture transition, crack-like to pulse-like rupture transition, self-healing (Heaton) pulse, and rupture directionality.
590 $a School code: 0037.
650 4 $a Geophysics. $3 535228
650 4 $a Engineering, Mechanical. $3 783786
650 4 $a Engineering, Materials Science. $3 1017759
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710 2 0 $a California Institute of Technology. $3 726902
773 0 $t Dissertation Abstracts International $g 66-01B.
790 1 0 $a Rosakis, Ares J., $e advisor
790 1 0 $a Kanamori, Hiroo, $e advisor
790 $a 0037
791 $a Ph.D.
792 $a 2005
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