Hoek–brown failure criterion—2002 edition
Nettet1. sep. 2006 · This paper applies numerical limit analyses to evaluate the ultimate bearing capacity of a surface footing resting on a rock mass whose strength can be described by the generalised Hoek–Brown... NettetHoek-Brown failure criterion – 2002 Edition E. Hoek, C. Carranza-Torres and B. Corkum Proc. NARMS-TAC Conference, Toronto, 2002, 1, 267-273. The program RocLab mentioned in this paper will be available for downloading (free) after the meeting from www.rocscience.com.
Hoek–brown failure criterion—2002 edition
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NettetHoek, E., Carranza-Torres, C.T. and Corkum, B. (2002) Hoek-Brown Failure Criterion-2002 Edition. Proceedings of the Fifth North American Rock Mechanics Symposium, Toronto, 7-10 July 2002, 267-273. - References - Scientific Research Publishing Article citations More>> NettetThe original Hoek-Brown failure criterion was introduced with this equation (Figure 2) where σ1 and σ3 are the major and minor principle stresses at failure, Co is the uniaxially compressive strength of intact rock, and m and s are empirical constants depending on the type of rock. Figure 2: Original Hoek-Brown Failure Criterion Equation
Nettet27. jan. 2024 · Hoek-Brown failure criterion - 2002 Edition Conference Paper Full-text available Jan 2002 E Hoek C. T. Carranza-Torres Brent Corkum Carlos Carranza-Torres View Show abstract Suggested Methods... Nettet27. sep. 2007 · Sonmez H, Ulusay R (2002) A discussion on the Hoek-Brown failure criterion and suggested modification to the criterion verified by slope stability case studies. Yerbilimleri (Earth Sciences) 26:77–99 Google Scholar Download references Author information Authors and Affiliations
Nettet1. jan. 2001 · Hoek-Brown Criterion was introuduced by Hoek from research in brittle failure of intact rock and Brown from model studies of jointed rockmass behaviour [4]. This failure criterion is... http://geologyandpython.com/hoek-brown.html
Nettet2.1 De nition of the Hoek-Brown yield criterion Window 2-1: Hoek-Brown criterion (2002 edition) ZSoil ®.PC The 2002 edition of Hoek-Brown criterion is described by the following equation f(σ 1,σ 3) = σ 1 −σ 3 −σ ci m b σ 3 σ ci + s a where σ 1 and σ 3 are the major and minor principal streses. The compressive strength of intact ...
Nettet1. apr. 2024 · In a complex stress field of underground mining or geotechnical practice, tension damage/failure in rock masses is easily triggered and dominant. Unlike metals, rocks are generally bi-modularity materials with different mechanical properties (Young’s modulus, etc.) in compression and tension. It is well established that the … pride and honor meaningNettetHoek-Brown Failure Criterion – 2002 Edition ) ( (1 + a) (2 + a)) (13) where σ ci Note that the value of σ '3 max , the upper limit of confining stress over which the relationship between the Hoek-Brown and the Mohr-Coulomb criteria is considered, has to be determined for each individual case. pride and groom the balmNettetHoek-Brown failure criterion – 2002 edition The following document provides a chronological overview of the evolution of the Hoek-Brown failure criterion, and provides references to all of the significant papers which have been published: A Brief History of the Hoek-Brown Failure Criterion Finally, a set of notes by Dr. Evert Hoek: pride and haughtyNettetHoek-Brown failure criterion-2002 Edition, 161-201, Rotterdam: · example, a 40 m wide cavity is to be constructed in Balkema. medium strength sandstone (a-ci = 80 MPa), with a Hoek E. 2000. pride and his prisonersNettetIn 2002, Hoek, Carranza-Torres and Corkum updated the relationship to a more modern approach of geological observations of rock masses called GSI, also introduced by Hoek, which stands for Geological Strength … plate with gold rimNettet11. apr. 2024 · In this paper, artificial neural network (ANN) models are presented in order to enable a prompt assessment of the stability factor of tunnels in rock masses based on the Hoek–Brown (HB) failure criterion. Importantly, the safety assessment is one of the serious concerns for constructing tunnels and requires a reliable and accurate stability … plate with spoon and forkNettet1. jan. 2016 · The Hoek-Brown criterion is an empirical, rock mass failure prediction criterion based on the relationship between principal stresses. The Hoek-Brown criterion was developed in the late 1970s and first published in 1980 (Hoek and Brown 1980a, b) to provide input for the design of underground excavations (Eq. plate wood chops