Determination of the roughness of rock discontinuities through photogrammetry
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Abstract
Cutting slopes and tunnels are examples of civil engineering structures whose stability assessment is complex when built-in rock, so in-depth studies must be undertaken. These structures are conditioned by the behavior of the rock mass, where discontinuities and their roughness play a critical role in determining the shear strength.
For this study, rock cores corresponding to a 100 m deep geotechnical survey at a zone known as “Ramal Camelinas” in the city of Morelia were used. A novel and low-cost technique based on photogrammetry was implemented, which allows obtaining more accurate contact areas of the surface to be used in the determination of the normal efforts.
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Universidad Michoacana de San Nicolás de Hidalgo, Coordination of Scientific Research, Av. Francisco J. Mujica, Building "C-2", Ciudad Universitaria, Morelia, Michoacán, México, C.P. 58030. All rights reserved. This magazine may be reproduced for non-profit purposes, as long as the full source and its email address are cited. Otherwise it requires prior written permission from the institution and author.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
