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Keywords: morphology
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-063
...Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012067 doi:10.1088/1755-1315/833/1/012067 A fractal analysis method to characterise rock joint morphology G. Guida1 , F. Casini2, G.M.B. Viggiani2 1) Politecnico di...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-041
... ABSTRACT: In order to evaluate the influence of the surface morphology on the mechanical behavior of twelve natural rock joints, very accurate topography measurements of joint surfaces were performed before and after shear tests. The quantitative description of surfaces was performed using...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-055
... pressurized input and 5 independent external outputs at atmospheric pressure (Figure 3). The maximum input pressure of the fluid is 20 MPa, and the maximum input flow is about I liter per minute. The morphology of the two rock walls can be measured by a laser beam (diameter: 0.25 rnrn, sampling step: 0.15 mm...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-064
... and to the modified morphology produced by the open pit excavation, as well as the new underground stopes. 571 2. OUTLINE OF SITE, GEOLOGY AND GEOSTRUCTURAL SETTING, ROCK MASS CHARACTERISA TION The quarry site belongs to one of the quarry basins exploiting the wide white marble deposit of the metamorphic complex...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-080
... profile. Three-dimensional characterisation of the surface morphology would obviously yield more information. In this paper, the surface properties of a large number of rock fractures have been measured and analysed in terms of the "total potential contact area", expressed as where Ao is the maximum...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-022
... as to the origin of the valley between an erosion or volcanic origin hypothesis (erosion versus caldera), however this morphology is now accepted as an erosion feature. Several rotational landslides occurred in this valley, and some of them preserve the original morphology. Achada (Curral das Freiras) (Figs.S, 6...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-031
... ABSTRACT: Joint shear behavior is analyzed in relation with profiles 2D statistical description, 3D statistical modelling of asperities angularity, geostatistical analysis and krigeage modelling to detect superposed structures and restitute surfaces topography of a joint roughness morphology...

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