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HomeKey Engineering MaterialsKey Engineering Materials Vols. 274-276Mechanism of Crack Extension in Rock

Mechanism of Crack Extension in Rock

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Advances in Engineering Plasticity and Its Applications

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Periodical:

Key Engineering Materials (Volumes 274-276)

Pages:

157-162

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.274-276.157

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Online since:

October 2004

Authors:

You Liang Chen, Jun Sun

Keywords:

Crack, Creep, Initiation, Propagation, Sandstone

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© 2004 Trans Tech Publications Ltd. All Rights Reserved

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[1] V.G. Silberschmidt and V.V. Silberschmidt: Analysis of cracking in rock salt, Rock Mechanics and Rock Engineering, 33(1), 2000, pp.53-70. 0.

DOI: 10.1007/s006030050004

05.

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15.

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25.

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35.

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45 0 1 2 3 4 5 6 7 8 9 101112 KI = 0. 137MN. m -3/2 KI = 0. 118MN. m -3/2 KI = 0. 101MN. m -3/2 KI =0. 180MN. m -3/2 KI = 0. 280 MN. m -3/2 KI=0. 196MN. m -3/2 KI =0. 189MN. m -3/2 LPD (mm) (c) LPD versus time curves for specimen C Fig. 1 Variation of LPD with time for three types of sandstone specimens under three point bending creep test LPD = Load-point displacement.

DOI: 10.7554/elife.44927.006

[2] N.D. Hunsche and U. Hunsche: Time effects in rock mechanics(John Wiley & Sons, Chichester 1998), pp.1-30.

[3] L.W. Yuan: Rheology(Science Press, Beijing, China 1984), pp.74-95. [in Chinese].