A more realistic deformation response of rock mass around circular opening

J Ramamurthy, NK Anand - Tunnelling Asia'97, 2020 - taylorfrancis.com
A study on the response of circular opening in rock mass has been made, with regard to its
deformation behaviour and its effect on the support system design. The rock-support …

Numerical modeling technique for time dependent behavior of weak rock masses–A case study

R Thareja, RR Kallu, CK Barnard - ARMA US Rock Mechanics …, 2015 - onepetro.org
Many Nevada gold deposits are found in highly fractured, faulted, and argillised host rock
with Rock Mass Rating (RMR76) mostly ranging from 10 to 50 classified as weak to very …

Study of stability influencing factors of excavated anti-dip rock slope

M Dong, F Zhang, J Lv, Y Fei, Z Li - KSCE Journal of Civil Engineering, 2020 - Springer
A layered rock slope often forms an anti-dip state due to tectonic movement in the historical
past. In the mountainous gorge area of Southwest China, the layered rock slopes are prone …

Controls on block toppling using a three-dimensional distinct element approach

MA Brideau, D Stead - Rock Mechanics and Rock Engineering, 2010 - Springer
Abstract Analysis methods for block toppling are most commonly undertaken in two
dimensions. This paper investigates the influence of discontinuity orientations on three …

Distinct element analysis of toppling instability at the Luscar Mine, Luscar, Alberta

B Benko, D Stead, KE Hebil - 1996 - osti.gov
The potential application of distinct element modelling for assessment of toppling instability
in surface coal mines is reviewed. A case study is analyzed using data from the South wall of …

A generic stope model for investigation of fracturing mechanisms in deep gold mines

T Katsaga, DO Potyondy - ARMA US Rock Mechanics/Geomechanics …, 2012 - onepetro.org
A generic mechanical model for rock behavior around advancing stopes has been
developed to understand brittle failure mechanisms inherent in deep gold mines in South …

The stability of slopes and underground openings against flexural toppling and their stabilisation

Ö Aydan, T Kawamoto - Rock Mechanics and Rock Engineering, 1992 - Springer
The stability of slopes and underground openings during and after excavation is always of
great concern in the field of rock engineering. Depending upon the geologic conditions and …

The influence of rock bridges in block fall processes

P Paronuzzi, W Serafini - Italian Journal of Engineering Geology …, 2005 - rosa.uniroma1.it
The detailed study of the detachment surfaces left by rockfalls, together with the 3-D analysis
of unstable rock volumes, confirm the fundamental role of intact rock bridges, with different …

A precursor of bedding rockslide: rock spalling in the key block triggered by tensile cracks

C Qin, G Chen, J Zhu, P Tang - Bulletin of Engineering Geology and the …, 2020 - Springer
A rock mass sliding along one controlling bedding plane is a shear failure that occurs under
compressive stress. The failure mechanism is relevant to the propagation and coalescence …

Characterisation of rock mass strength using a combination of discontinuity mapping and fracture mechanics modelling

D Elmo, JS Coggan, RJ Pine - ARMA US Rock Mechanics …, 2005 - onepetro.org
This paper presents the results of a new approach to the modelling of rock mass behaviour,
with incorporation of both rock material behaviour and the effects of a pre-existing fracture …