Abstract
The mechanism of mountain forming is based on the phenomenon of the formation of compressive normal horizontal stresses exceeding gravitational. These stresses are due to contact friction between the layers of rocks. To reveal the mechanism of mountain forming, the vector method of the body equilibrium on the path of maximum effective tangential stresses of a triangular element is used, taking into account the external and internal forces acting on it. It is shown that the total vector of these forces, taking into account internal and contact friction, is directed against the gravitational force and generates mountain forming. A generalization of experimental observations on the elevation of rock structures and anomalous manifestations of rock pressure is given.
Highlights
There are several mountain forming hypotheses in the geological literature [1], according to which the authors of the hypotheses are looking for a force directed against the forces of gravity
1 b2 y where k – material resistance to shear; σу – vertical stress, in particular, γΗ in massif (γ is the specific gravity of the rock, H is the depth of occurrence); μ – coefficient of internal friction of the rock; ρ=arctg(μ) internal friction angle; b fk y k y coefficient of contact friction of the rock layers
From the analytical calculation it follows that the horizontal stresses are formed by the tangential stresses from the contact friction between the layers of rocks, i.e. from the resistance to shear on the contact of the formation with lateral rocks
Summary
There are several mountain forming hypotheses in the geological literature [1], according to which the authors of the hypotheses are looking for a force directed against the forces of gravity. In this article we will try to reinforce with experimental research the hypothesis of the formation of mountain forming put forward earlier by horizontal normal stresses exceeding the vertical ones generating them.
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
