D. Stead scite author profile

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D. Stead

5Publications

503Citation Statements Received

23Citation Statements Given

How they've been cited

1,575

477

How they cite others

111

Affiliations

Simon Fraser University, University of Exeter, University of Saskatchewan

Publications

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Quantifying progressive pre-peak brittle fracture damage in rock during uniaxial compression

Eberhardt¹,

Stead

Stimpson

1999

International Journal of Rock Mechanics and Mining Sciences

538

190

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Effects of Grain Size on the Initiation and Propagation Thresholds of Stress-induced Brittle Fractures

Eberhardt

Stimpson

Stead

1999

Rock Mechanics and Rock Engineering

305

114

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Identifying crack initiation and propagation thresholds in brittle rock

Eberhardt¹,

Stead²,

Stimpson³

et al. 1998

Can. Geotech. J.

638

121

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Recent work at the Underground Research Laboratory of Atomic Energy of Canada Limited in Pinawa, Manitoba, has shown that high compressive stresses near the tunnel face significantly contribute to the loss of strength, and eventual failure of the rock, through stress-induced brittle fracturing. A program of laboratory testing has been undertaken to investigate the effects of brittle fracture on the progressive degradation of rock mass strength. The work carried out in this study involves a detailed analysis of the crack initiation and propagation thresholds, two key components in the brittle-fracture process. This paper describes new techniques developed to enhance existing strain gauge and acoustic emission methodologies with respect to the detection of these thresholds and their effects on the degradation of material strength.Key words: tunnel, rock failure, brittle fracture, crack initiation, crack propagation.

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Role of Rock Mass Fabric and Faulting in the Development of Block Caving Induced Surface Subsidence

2009

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A morphotectonic study of an extensional fault zone in a magma-rich rift: the Baringo Trachyte Fault System, central Kenya Rift

Gall

Tiercelin

Richert³

et al. 2000

Tectonophysics

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D. Stead

Quantifying progressive pre-peak brittle fracture damage in rock during uniaxial compression

Effects of Grain Size on the Initiation and Propagation Thresholds of Stress-induced Brittle Fractures

Identifying crack initiation and propagation thresholds in brittle rock

Role of Rock Mass Fabric and Faulting in the Development of Block Caving Induced Surface Subsidence

A morphotectonic study of an extensional fault zone in a magma-rich rift: the Baringo Trachyte Fault System, central Kenya Rift

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