-
Experiments are performed by Metravib dynamic mechanical analyzer (DMA+450) using the stress-strain method. The static load is fixed at 100 N, and the dynamic load amplitude of the sine wave is 60 N, so that the total loading force is controlled under yield stress. Temperature is controlled between -50 ℃ and 175 ℃, and the heating rate is 1 ℃ per min. The frequency ranges from 1 Hz to 1000 Hz. Pump-oil saturated arkoses and Pengshan sandstones are tested under uniaxial cyclic loading. The variations of attenuation, phase angle, Young's modulus, and velocity with temperature or frequency are obtained. The attenuation peak and the phase angle peak shift toward higher temperatures with frequency increasing, which can be considered as thermal relaxation regularity. The activation energy and the transition frequency corresponding to the thermal relaxation peak are determined by experimental results and explained by the sandstone characteristics. A new phase transition attenuation peak, which is corresponding to mineral ion exchange in rock, is observed in the present experiments. Some dynamic characteristics of rock minerals under thermal and vibration loading are used to explain the peak. The Young's modulus and the velocity increase with frequency increasing and decrease with temperature increasing. There is obvious frequency dispersion, and the dispersion weakens when temperature increases. This investigation is helpful for studying theoretical model and interprating seismic data.
-
Keywords:
- stress-strain method /
- saturated rock /
- thermal relaxation regularities /
- attenuation and dispersion
[1] Grant A G 1994 J. Acoust. Soc. Am. 96 1158
[2] Batzle M L, Han D H, Hofmann R 2006 Geophysics 71 N1
[3] Kan T K, Batzle M L, Gaiser J E 1983 Soc. Expl. Geophys. Expanded Abstracts 2 589
[4] Raikes S A, White R E 1984 Geophys. Prosp. 32 892
[5] Sams M S, Neep J P, Worthington M H, King M S 1997 Geophysics 62 1456
[6] De D S, Winterstein D F, Meadows M A 1994 Geophysics 59 1512
[7] Schmitt D R 1999 Geophysics 64 368
[8] Xi D Y, Liu X Y, Zhang C Y 2007 Pure. Appl. Geophys. 164 2157
[9] White J E 1975 Geophysics 40 224
[10] Gist G A 1994 Geophysics 59 1100
[11] Pride S R, Harris J M, Johnson D L, Mateeva A, Nihel K T, Nowack R L, Rector J W, Spetzler H, Wu R, Yamomoto T, Berryman J G, Spetzler H, Wu R, Yamomoto T, Berryman J G, Fehler M 2003 The Leading Edge 22 518
[12] Spencer J W 1981 J. Geophys. Res. 86 1803
[13] Batzle M, Wang Z 1992 Geophysics 57 1396
[14] Batzle M, Hofmann R, Han D H, Castagna J 2001 The Leading Edge 20 168
[15] Xi D Y, Liu B, Liu W, Yi L K 2000 Chin. J. Geophys. 43 873
[16] Xi D Y, Liu B, Tian X Y 2002 Chin. J. Geophys. 45 101
[17] Xi D Y, Chen Y P, Tao Y Z, Liu Y C 2006 Chin. J. Rock Mech. Engng. 25 1086 (in Chinese) [席道瑛, 陈运平, 陶月赞, 刘亚晨 2006 岩石力学与工程学报 25 1086]
[18] Xi D Y, Xu S L, Du Y, Yi L K 2011 J. Appl. Geophys. 71 289
[19] Du Y, Xi D Y, Xu S L, Yi L K 2009 Chin. J. Geophys. 52 3051 (in Chinese) [杜赟, 席道瑛, 徐松林, 易良坤 2009 地球 52 3051]
[20] Huang P H, Jin F Y, Ding B T, Han J 1982 Seismogeology Fundaments (Beijing: Earthquake Press) p23 (in Chinese) [黄培华, 金凤英, 丁宝田, 韩建 1982 地震地质学基础 (北京: 地震出版社) 第23页]
[21] Chen P 2011 Mineralogy and Crystallography (Beijing: Chemical Industry Press) p59 (in Chinese) [陈平 2011 结晶矿物学 (北京: 化学工业出版社) 第59页]
-
[1] Grant A G 1994 J. Acoust. Soc. Am. 96 1158
[2] Batzle M L, Han D H, Hofmann R 2006 Geophysics 71 N1
[3] Kan T K, Batzle M L, Gaiser J E 1983 Soc. Expl. Geophys. Expanded Abstracts 2 589
[4] Raikes S A, White R E 1984 Geophys. Prosp. 32 892
[5] Sams M S, Neep J P, Worthington M H, King M S 1997 Geophysics 62 1456
[6] De D S, Winterstein D F, Meadows M A 1994 Geophysics 59 1512
[7] Schmitt D R 1999 Geophysics 64 368
[8] Xi D Y, Liu X Y, Zhang C Y 2007 Pure. Appl. Geophys. 164 2157
[9] White J E 1975 Geophysics 40 224
[10] Gist G A 1994 Geophysics 59 1100
[11] Pride S R, Harris J M, Johnson D L, Mateeva A, Nihel K T, Nowack R L, Rector J W, Spetzler H, Wu R, Yamomoto T, Berryman J G, Spetzler H, Wu R, Yamomoto T, Berryman J G, Fehler M 2003 The Leading Edge 22 518
[12] Spencer J W 1981 J. Geophys. Res. 86 1803
[13] Batzle M, Wang Z 1992 Geophysics 57 1396
[14] Batzle M, Hofmann R, Han D H, Castagna J 2001 The Leading Edge 20 168
[15] Xi D Y, Liu B, Liu W, Yi L K 2000 Chin. J. Geophys. 43 873
[16] Xi D Y, Liu B, Tian X Y 2002 Chin. J. Geophys. 45 101
[17] Xi D Y, Chen Y P, Tao Y Z, Liu Y C 2006 Chin. J. Rock Mech. Engng. 25 1086 (in Chinese) [席道瑛, 陈运平, 陶月赞, 刘亚晨 2006 岩石力学与工程学报 25 1086]
[18] Xi D Y, Xu S L, Du Y, Yi L K 2011 J. Appl. Geophys. 71 289
[19] Du Y, Xi D Y, Xu S L, Yi L K 2009 Chin. J. Geophys. 52 3051 (in Chinese) [杜赟, 席道瑛, 徐松林, 易良坤 2009 地球 52 3051]
[20] Huang P H, Jin F Y, Ding B T, Han J 1982 Seismogeology Fundaments (Beijing: Earthquake Press) p23 (in Chinese) [黄培华, 金凤英, 丁宝田, 韩建 1982 地震地质学基础 (北京: 地震出版社) 第23页]
[21] Chen P 2011 Mineralogy and Crystallography (Beijing: Chemical Industry Press) p59 (in Chinese) [陈平 2011 结晶矿物学 (北京: 化学工业出版社) 第59页]
Catalog
Metrics
- Abstract views: 6717
- PDF Downloads: 558
- Cited By: 0
下载:
