Incubation time approach in rock fracture dynamics

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Incubation time approach in rock fracture dynamics. / Smirnov, V.; Petrov, Yuri V.; Bratov, V.

In: Science China: Physics, Mechanics and Astronomy, Vol. 55, No. 1, 01.01.2012, p. 78-85.

Research output: Contribution to journal › Article › peer-review

Author

Smirnov, V. ; Petrov, Yuri V. ; Bratov, V. / Incubation time approach in rock fracture dynamics. In: Science China: Physics, Mechanics and Astronomy. 2012 ; Vol. 55, No. 1. pp. 78-85.

BibTeX

@article{b235d49fc8c64cebb8d765982c063436,

title = "Incubation time approach in rock fracture dynamics",

abstract = "The paper is summarizing latest results connected with application of the incubation time approach to problems of dynamic fracture of rock materials. Incubation time based fracture criteria for intact media and media with cracks are discussed. Available experimental data on high rate fracture of different rock materials and incubation time based fracture criteria are used in order to evaluate critical parameters of causing fracture in these materials. Previously discovered possibility to optimize (minimize) energy input for fracture is discussed in connection to industrial rock fracture processes. It is shown that optimal value of momentum associated with critical load in order to initialize fracture in rock media does strongly depend on the incubation time and the impact duration. Existence of optimal load shapes minimizing momentum for a single fracturing impact or a sequence of periodic fracturing impacts is demonstrated.",

keywords = "Crack resistance, Dynamic fracture, Dynamic strength, Energy and momentum input, Fracture process optimization, Fracture toughness, Incubation time, Rocks",

author = "V. Smirnov and Petrov, {Yuri V.} and V. Bratov",

year = "2012",

month = jan,

day = "1",

doi = "10.1007/s11433-011-4579-3",

language = "English",

volume = "55",

pages = "78--85",

journal = "Science China: Physics, Mechanics and Astronomy",

issn = "1674-7348",

publisher = "Science in China Press",

number = "1",

}

RIS

TY - JOUR

T1 - Incubation time approach in rock fracture dynamics

AU - Smirnov, V.

AU - Petrov, Yuri V.

AU - Bratov, V.

PY - 2012/1/1

Y1 - 2012/1/1

N2 - The paper is summarizing latest results connected with application of the incubation time approach to problems of dynamic fracture of rock materials. Incubation time based fracture criteria for intact media and media with cracks are discussed. Available experimental data on high rate fracture of different rock materials and incubation time based fracture criteria are used in order to evaluate critical parameters of causing fracture in these materials. Previously discovered possibility to optimize (minimize) energy input for fracture is discussed in connection to industrial rock fracture processes. It is shown that optimal value of momentum associated with critical load in order to initialize fracture in rock media does strongly depend on the incubation time and the impact duration. Existence of optimal load shapes minimizing momentum for a single fracturing impact or a sequence of periodic fracturing impacts is demonstrated.

AB - The paper is summarizing latest results connected with application of the incubation time approach to problems of dynamic fracture of rock materials. Incubation time based fracture criteria for intact media and media with cracks are discussed. Available experimental data on high rate fracture of different rock materials and incubation time based fracture criteria are used in order to evaluate critical parameters of causing fracture in these materials. Previously discovered possibility to optimize (minimize) energy input for fracture is discussed in connection to industrial rock fracture processes. It is shown that optimal value of momentum associated with critical load in order to initialize fracture in rock media does strongly depend on the incubation time and the impact duration. Existence of optimal load shapes minimizing momentum for a single fracturing impact or a sequence of periodic fracturing impacts is demonstrated.

KW - Crack resistance

KW - Dynamic fracture

KW - Dynamic strength

KW - Energy and momentum input

KW - Fracture process optimization

KW - Fracture toughness

KW - Incubation time

KW - Rocks

UR - http://www.scopus.com/inward/record.url?scp=84858792873&partnerID=8YFLogxK

U2 - 10.1007/s11433-011-4579-3

DO - 10.1007/s11433-011-4579-3

M3 - Article

AN - SCOPUS:84858792873

VL - 55

SP - 78

EP - 85

JO - Science China: Physics, Mechanics and Astronomy

JF - Science China: Physics, Mechanics and Astronomy

SN - 1674-7348

IS - 1

ER -

ID: 35930494