用电阻率测量法检测在加载条件下介质的动力过程
-
摘要: 本文给出了实验样品在单向轴向自动加载条件下,电阻率变化测量的结果.所用的方法是四电极法.微电极全部固定在样品中.一种预先给定的预切口准裂纹决定了未来的断裂带.为了保证既能监测到断裂带内电阻率的变化,又能监测到断裂带外电阻率的变化,将微电极安装在样品中各个部位.虽然这种前兆现象在断裂带内非常明显,但将断裂带内和带外的测量结果进行比较,可以看出:电阻率方法在带内及带外可以用来进行断裂预报.在断裂带内所得的这种典型变化过程和在煤矿中所得的电阻率变化很相似.缩短测量的重复时间可提高结果的质量.在电阻率变化期间可发现新的前兆现象.
-
-
[1] Barsukov, O, M.,1972.Variation of electric resistivity in mountain rocks corrected with tectonic causes. Tectonophysics,14, 273.
[2] Brace, W.F. and Orange, A. S., 1968.Electrical resistivity changes in saturated rocks during fracture and frictional sliding. .Jonor. Gropys. Res.,73, 1435.
[3] Brace, W.F., 1975. Drlatancy related clechical nsistivity changes in rocks. PAGEOPH 113, 207.
[4] Mjachkin, V. 1.,Brace, W. F., Sobolev, G. A. and Dicterich, J. H.1975.Two models for earthquake forerunners. PAGEDPH. 113, 169.
[5] Ostashevski, M. G, and Sidorin. A. J.,1985.Electric methods and the results of its application in the seismic region (in Russian).Doklady AN .SSSR. 282, 2.
[6] Qian, F. Y.,Zhao, Y. L.,Yu, M. M.,Wang.Z.X.,Liu, X. W. and Chang, S.M.,1982. Geoelectric resisitivitv anomalies before earthquakes.Sciemic Sinira, 26, 326.
[7] Rikitake. T, and Yamazaki, Y.,1976. Resislivity changes as a precursor of carthquakes. Jour. Geomagn. Gevelectr., 28,497.
[8] Rikitake. T.. 1979. Classification of carthquake procursors. Tectonophysics. 54.293
[9] Rikitakc. T.. 1988.Earthquake prediction: an empirical approach. Tetonophysice.148,195.
[10] Scholz, C. H.,Sykcs, L. R, and Aggarwal, Y.P.,1973. Earthquake prediction——a physical basis. Science, 181, 805.
[11] Shaming, O. G.,F'edorova, T. S.,Palenov, A. M.,Ponyatovskaya. V. 1.,Staknovsky. L. R.. Tereniyev, V. A. and Volynets. L. N.,1985.Scismic and strain fields in the vicinrth of shear rupture.,Acta Geophys. Pol., 34, 233
[12] Sobolev, G. A., 1983.Precursors of seismic events(in Russian) . Prognos Zienlietrasienij, 4, 120.
[13] Stopiriski, W.,Jcsionck, A.,Samborski, R. and Bober, A.,1979. Preliminary results of rock resislivity investigations in Lubin copper mine and their relation to the increase m ,tresses in the ruck mass(in Polish).Publ. Inst Geophys. Pol.Ac. Sci., M——2(123).189.
[14] Stopinski, W. and Teisscyre, R.. 1982.Prccursory rock resistivity variations rclalcd to mining tremors. Acta Geophys. Pol.,30, 293.
[15] Stopiriski, W.,Mucha, L. and Konopacki. J.,1982.Gcoelectric inslrumenl MSK——01(in Polish).Publ. Inst.Geophys. Pol. Ac. Sci., M——3(155).191.
[16] Stopiriski,W.and Dmowska, R,1984.Rock resistivity in Lubin (Poland) copper mme and its relation to variations of strain field and occurrence of rockburst Proc. Ist .Int. Congress on Rockbursts, a Seismicity in Mines.Johannesburg, 1982. ed. N. C. Gay, E. H. Walwright, 297.
[17] Stopinski, W.,1985. Dilatational——threshold model of resistivity changes in partly saturated rocks(in Polish).Publ. Inst. Geophvs. Pal. Ac. Sci.,M——6(176),199.
[18] Stopiriski, W..1986.Changes in electric rcsistivity of a rock body associated with mining(in Polish).Puhl. Inst.Genphvs. Pol. Ac. Sci.,M——7(186),3.
[19] Trapcznikov, Yu. A.,Voliknin, A. N.,Shchelochkov, G. G.,Tesalin, M.N.and Kolosov,A.M.,1986. On the results of electric structural investigations in the Frunze proof ground. Prognos——ziemlietriasienij,7,103.
[20] Yamazaki, Y.,1965.Electrical conductivity of strained rocks. Laboratory experiments of sedimentary rocks. Bull. Earthq. Res. Inst.,44, 783.
[21] Zhang, G. M. and Fu, Zh. X.,1981. Some features of medium——and short——teen anomalies before great earthquakes.Earthquake Prediction——International Review.In: Simpson.D.W. and Richards,P.G. (eds.)..Amcrican Geophysical Union, Washington D. C.,497
[22] Zhao, Y. L. and Qian,F. Y.,1985: Short——duration resistivity variations before and after the M=7.8 Tangshan Earthquake. Geophys. Res.,1, 255.
[23] Zoback, D. and Bycrlee, J. D.,1975.The effect of microcrack dilatancy on the permeabilirt of Westerly Granite. J. Geophys. Res. . 80, 752.[1] Barsukov, O, M.,1972.Variation of electric resistivity in mountain rocks corrected with tectonic causes. Tectonophysics,14, 273.
[2] Brace, W.F. and Orange, A. S., 1968.Electrical resistivity changes in saturated rocks during fracture and frictional sliding. .Jonor. Gropys. Res.,73, 1435.
[3] Brace, W.F., 1975. Drlatancy related clechical nsistivity changes in rocks. PAGEOPH 113, 207.
[4] Mjachkin, V. 1.,Brace, W. F., Sobolev, G. A. and Dicterich, J. H.1975.Two models for earthquake forerunners. PAGEDPH. 113, 169.
[5] Ostashevski, M. G, and Sidorin. A. J.,1985.Electric methods and the results of its application in the seismic region (in Russian).Doklady AN .SSSR. 282, 2.
[6] Qian, F. Y.,Zhao, Y. L.,Yu, M. M.,Wang.Z.X.,Liu, X. W. and Chang, S.M.,1982. Geoelectric resisitivitv anomalies before earthquakes.Sciemic Sinira, 26, 326.
[7] Rikitake. T, and Yamazaki, Y.,1976. Resislivity changes as a precursor of carthquakes. Jour. Geomagn. Gevelectr., 28,497.
[8] Rikitake. T.. 1979. Classification of carthquake procursors. Tectonophysics. 54.293
[9] Rikitakc. T.. 1988.Earthquake prediction: an empirical approach. Tetonophysice.148,195.
[10] Scholz, C. H.,Sykcs, L. R, and Aggarwal, Y.P.,1973. Earthquake prediction——a physical basis. Science, 181, 805.
[11] Shaming, O. G.,F'edorova, T. S.,Palenov, A. M.,Ponyatovskaya. V. 1.,Staknovsky. L. R.. Tereniyev, V. A. and Volynets. L. N.,1985.Scismic and strain fields in the vicinrth of shear rupture.,Acta Geophys. Pol., 34, 233
[12] Sobolev, G. A., 1983.Precursors of seismic events(in Russian) . Prognos Zienlietrasienij, 4, 120.
[13] Stopiriski, W.,Jcsionck, A.,Samborski, R. and Bober, A.,1979. Preliminary results of rock resislivity investigations in Lubin copper mine and their relation to the increase m ,tresses in the ruck mass(in Polish).Publ. Inst Geophys. Pol.Ac. Sci., M——2(123).189.
[14] Stopinski, W. and Teisscyre, R.. 1982.Prccursory rock resistivity variations rclalcd to mining tremors. Acta Geophys. Pol.,30, 293.
[15] Stopiriski, W.,Mucha, L. and Konopacki. J.,1982.Gcoelectric inslrumenl MSK——01(in Polish).Publ. Inst.Geophys. Pol. Ac. Sci., M——3(155).191.
[16] Stopiriski,W.and Dmowska, R,1984.Rock resistivity in Lubin (Poland) copper mme and its relation to variations of strain field and occurrence of rockburst Proc. Ist .Int. Congress on Rockbursts, a Seismicity in Mines.Johannesburg, 1982. ed. N. C. Gay, E. H. Walwright, 297.
[17] Stopinski, W.,1985. Dilatational——threshold model of resistivity changes in partly saturated rocks(in Polish).Publ. Inst. Geophvs. Pal. Ac. Sci.,M——6(176),199.
[18] Stopiriski, W..1986.Changes in electric rcsistivity of a rock body associated with mining(in Polish).Puhl. Inst.Genphvs. Pol. Ac. Sci.,M——7(186),3.
[19] Trapcznikov, Yu. A.,Voliknin, A. N.,Shchelochkov, G. G.,Tesalin, M.N.and Kolosov,A.M.,1986. On the results of electric structural investigations in the Frunze proof ground. Prognos——ziemlietriasienij,7,103.
[20] Yamazaki, Y.,1965.Electrical conductivity of strained rocks. Laboratory experiments of sedimentary rocks. Bull. Earthq. Res. Inst.,44, 783.
[21] Zhang, G. M. and Fu, Zh. X.,1981. Some features of medium——and short——teen anomalies before great earthquakes.Earthquake Prediction——International Review.In: Simpson.D.W. and Richards,P.G. (eds.)..Amcrican Geophysical Union, Washington D. C.,497
[22] Zhao, Y. L. and Qian,F. Y.,1985: Short——duration resistivity variations before and after the M=7.8 Tangshan Earthquake. Geophys. Res.,1, 255.
[23] Zoback, D. and Bycrlee, J. D.,1975.The effect of microcrack dilatancy on the permeabilirt of Westerly Granite. J. Geophys. Res. . 80, 752.
计量
- 文章访问数: 1413
- HTML全文浏览量: 9
- PDF下载量: 57
下载:
