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Apparatus to Determine Static and Dynamic Elastic Moduli
Howarth, D. F. (1984) Apparatus to Determine Static and Dynamic Elastic Moduli. Rock Mechanics and Rock Engineering, 17 4: 255-264.
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dominic_howarth_.pdf
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dominic_howarth_.pdf
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application/pdf
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253.99KB
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1735
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| Author
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Howarth, D. F.
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| Title
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Apparatus to Determine Static and Dynamic Elastic Moduli
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| Journal name
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Rock Mechanics and Rock Engineering Check publisher's open access policy
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| Publication date
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1984-10-01
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| Sub-type
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Other (News item, press release, note, obituary, other not liste
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| DOI
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10.1007/BF01032338
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| Volume number
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17
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| Issue number
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4
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| ISSN
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0723-2632
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| Start page
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255
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| End page
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264
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| Total pages
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10
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| Language
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eng
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| Subject
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260200 Geophysics
290000 Engineering and Technology
290700 Resources Engineering
291800 Interdisciplinary Engineering
260100 Geology
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| Abstract
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Conclusions 1. The apparatus makes it possible to concurrently measure ES and ED of cylindrical rock specimens under triaxial conditions in the NX Hoek cell. 2. Accuracy of the apparatus is comparable to usual dynamic modulus testing. 3. Preliminary test results for one particular rock type, show that under triaxial conditions the differences between E D and E S are smaller at high confining pressures than at low confining pressures. Circumstantial evidence suggests that microcracks and microfissures are responsible for this phenomenon. Further work needs to be undertaken in other rock types to substantiate these preliminary findings.
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| Keyword
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geological
geosciences
elastic moduli
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| References
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Anderson, I., et al. (1974): The Effect of Oriented Cracks on Seismic Velocities. J. Geophys. Res. 26, 4011-4015. Baron, G., et al. (1964): The Effect of Stresses and Deformations on the Velocity of Sound in Rock. Fourth International Conference on Strata Control and Rock Mechanics: Columbia University, New York. 474-483. Boozer, G. E., Hiller, K. H., Serdengecti, S. (1963): Effects of Pore Fluids on the Deformation Behaviour of Rocks Subjected to Triaxial Compression. Proc. 5th U. S. Rock Mech. Symp. Minneapolis, U. S. A. 579-625. Brace, W. F. (1965 a): Relation of Elastic Properties of Rocks to Fabric. J. Geophys. Res. 70 (No. 22), 5657-5667. Brace, W. F. (1965b): Some New Measurements of Linear Compressibility of Rocks. J. Geophys. Res. 70 (No.2), 391-398. Brown, E. T. (Ed.) (1981) : Rock Characterization Testing and Monitoring. ISRM Suggested Methods. Pergamon (U. K.), pp. 211. Cannaday, F. X. (1964): Modulus of Elasticity of a Rock Determined by Four Different Methods, U. S. B. M., R. I. 6533. Dieter, G. E. (1961): Mechanical Metallurgy. New York: McGraw Hill. Hardy, H. R., Kim, Y. S. (1970): Detection of a Low Level Critical Stress in Geologic Materials Using Ultrasonic Techniques, Proceedings of the Twelfth Symposium on Rock Mechanics. Missouri, U. S. A. Soc. Min. Engrs. - Amer. Inst. Min. Metall. Petrol Engrs. 301-327. Howarth, D. F. (1976): A Comparison of Statically and Dynamically Determined Elastic Moduli of Scarborough Sandstone. M. E. Thesis, University of New South Wales, Australia, 136. Howarth, D. F. (1979): Development of an Apparatus for Concurrent Determination of Static and Dynamic Young's Moduli of Rock Cores. Aust. Geomech. J. 9, 14-21. Ide, J. M. (1936): Comparison of Statically and Dynamically Determined Young's Modulus of Rocks, Proc. Nat. Acad. Sciences, U. S. A., 81-92. King, M. S. (1966): Wave Velocities in Rocks as a Function of Changes in Over burden Pressure and Pore Fluid Saturants, Geophysics 31 (No. 1), 50-73. Kuster, G. T., Toksoz, M. N. (1974): Velocity and Attenuation of Seismic Waves in Two Phase Media. Theoretical Calculations. Pt. 1. Geophysics 39, 587-606. Rinehart, J. S., Fortin, J.-P., Baugin, P. (1961): Propagation Velocity of Longitudinal Waves in Rock. Effect of State of Stress, Stress Level of the Wave, Water Content, Porosity, Temperature Stratification and Texture. Proc. Fourth Symp. Rock Mech. 119-135, Penn. State University. Simmons, G., Brace, W. I. (1965) : Comparison of Static and Dynamic Measurements of Compressibility of Rocks: J. Geophysical Res. 70 (No. 22), 5649-5656. Sutherland, R. B. (1962): Some Dynamic and Static Properties of Rock. Rock Mechanics. Proc. Fifth Symp. Rock Mech., University Minnesotta, 473-491. Thill, R. E., Peng, S. S. (1969): Statistical Comparison of the Pulse and Resonance Methods for Determining Elastic Moduli. U. S. B. M., R. I. 7831. Volarovich, M. P. (1967): An Experimental Investigation of Rupture and Elastic Wave Propagation and Absorption in Rocks Under High Confining Pressure. Geophys. J. R. Astr. Soc. 14, 73-79. Walsh, J. B. (1966): Seismic Wave Attenuation in Rock Due to Friction. J. Geophyscial Res. 71 (No. 10), 2591-2599. Walsh, J. B. (1965 a): The Effect of Cracks on the Uniaxial Elastic Compression of Rocks. J. Geophysical Res. 70 (No. 2), 399-411. Walsh, J. B. (1965b): The Effect of Cracks on the Compressibility of Rock. J. Geophysical Res. 70 (No. 2), 381-389. Weast, R. C. (Ed.) (1975): Handbook of Chemistry & Physics. CRC Press. Wyllie, M. R. J., Gregory, A. R., Gardner, G. H. F. (1956): Elastic Wave Velocities in Heterogeneous and Porous Media. Geophys. 21 (No. 1), 41-70. Zisman, W. A. (1933): Comparison of the Statically and Seismologically Deter-mined Elastic Constants of Rocks. Proc. Nat. Acad. Sci. 19, 680-686.
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| Q-Index Code
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CX
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| Q-Index Status
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Provisional Code
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| Institutional Status
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Unknown
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| Additional Notes
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Citation: Howarth, D.F. (1984) Apparatus to Determine Static and Dynamic Elastic Moduli. Rock Mechanics and Rock Engineering 17(4):255-264. DOI: 10.1007/BF01032338 Copyright 1984 Springer-Verlag. All rights reserved. The original publication is available at www.springerlink.com
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