Acta Geodaetica et Geophysica Hungarica
Volume/Issue:
Volume 44: Issue 3
A possible method for estimating the Poisson’s rate values of the rock masses
Author:
B. Vásárhelyi Vásárhelyi and Partner Geotechnical Engineering Ltd. Budapest Hungary

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Pages:
313–322
Online Publication Date:
30 Jul 2009
Publication Date:
01 Sep 2009
Article Category:
Journal Article
DOI:
https://doi.org/10.1556/ageod.44.2009.3.4
Keywords:
earth pressure at rest; failure criteria; GSI; Poisson’s rate value; rock mass
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The Poisson’s rate value of the rock mass is one of the most important rock mechanical and rock engineering parameter. This value is used for calculating the deformation of the tunnels or displacement on rock foundations, among the others. Unfortunately, measuring this value is very difficult and time consuming in rock masses. The goal of this paper is to present a simple method for estimating the Poisson’s rate value for rock masses if it is known for the intact rock. Using the well-known equations for determining the earth pressure at rest, the relationship between the internal friction angle and the Poisson’s rate value can be determined. Due to the relationship between the internal friction angle and the rock mass classification (namely GSI) are also determined, from these connections the Poisson’s rate value and the GSI can be calculated. A linear equation was found: decreasing the quality of the rock mass, the Poisson’s rate is increasing. The presented calculation is also good, if the Poisson’s rate of the intact rock is not determinable. In this paper it was assumed that the Poisson’s rate value is a material constant. Note, that theoretically it is not true, however for rock mechanical calculations the changing this value is never investigated.

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Cover Acta Geodaetica et Geophysica Hungarica
Acta Geodaetica et Geophysica Hungarica
Print ISSN:
1217-8977
Online ISSN:
1587-1037

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Acta Geodaetica et Geophysica
Language English
Size B5
Year of
Foundation		 2013
Volumes
per Year		 1
Issues
per Year		 4
Founder Magyar Tudományos Akadémia
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó Springer
Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 2213-5812 (Print)
ISSN 2213-5820 (Online)

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