Fourier method for evaluation of irregularity of rock joints

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F17%3APU125609" target="_blank" >RIV/00216305:26110/17:PU125609 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.5593/sgem2017/12/S02.045" target="_blank" >http://dx.doi.org/10.5593/sgem2017/12/S02.045</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.5593/sgem2017/12/S02.045" target="_blank" >10.5593/sgem2017/12/S02.045</a>

Result language
angličtina
Original language name
Fourier method for evaluation of irregularity of rock joints
Original language description
The Fourier two-dimensional series is used for classification of surface irregularities ofrock joints. The expansion coefficients of this series are employed to form an absolute indicator of waviness of joint rock surfaces. The indicator serves for classification of surface irregularity of rock joints. The method has been applied to several real rock samples and the results are presented in the form of graphs. A similar visual comparison is often performed in geotechnical practice when joint rock coefficients are determined by means of database surfaces. Visual and numerical results have been found in good agreement and this fact supports soundness of the suggested Fourier method aimed at classification of surface irregularity of rock joints. The computerized method which is presented in this contributions is based on two absolute numerical indicators that are formed by means of the Fourier replicas of rock joint profiles. The first indicator quantifies the vertical depth of profiles and the second indicator classifies wavy character of profiles. The absolute indicators have replaced the formerly used relative indicators that showed some artificial behavior in some cases. This contribution is focused on practical computations testing the functionality of the newly introduced indicators.
Czech name
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Czech description
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Project
<a href="/en/project/GA13-03403S" target="_blank" >GA13-03403S: Morphology analysis of fracture surfaces and its consequences for stability of large civil engineering constructions</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
17th International Multidiciplinary Scientific Geoconference SGEM 2017
ISBN
978-619-7105-99-5
ISSN
1314-2704
e-ISSN
—
Number of pages
6
Pages from-to
353-358
Publisher name
STEF92 Technology Ltd.
Place of publication
Bulharsko
Event location
Albena
Event date
Jun 27, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
—

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