第3期 史玲等：充填节理破坏机理及实验 ·259· 30r 509 25 10mm厚节理破坏理论曲线 2]Ladanyi B,Archambault G.Simulation of the shear behavior of a jointed rock mass Proceedings of the IIth US Symposium on 20 Rock Mechanics.Washington D C,1970:105 15 B3]Barton N,Choubey V.The shear strength of rock joints in theory 10 5mm时节理破坏理论曲线：m and practice.Rock Mech,1977,10:1 *5mm 4]Grasselli G,Egger P.Characterization of the parameters that gov- 。10mm ern the peak shear strength of rock joints /Proceedings of the 38th 0 510 152025 30354045 US Symposium on Rock Mechanics.Washington DC.2001:7 压力kN [5] Pereira J P.Rolling friction and shear behavior of rock discontinui- 图9不同充填厚度下最大剪应力与正应力关系（图中曲线分段 ties filled with sand.Int J Rock Mech Min Sci,1997,34(3/4): 以夹层破坏模式为标准) 244 Fig.9 Relationship between shear force and normal force for experi- [6]Papaliangas T,Hencher S R,Lumsden A C,et al.The effect of mental results of the joints with different filling thicknesses (the seg- frictional fill thickness on the shear strength of rock discontinui- ment of the curve is based on the failure modes of the filling material) ties.Int J Rock Mech Min Sci Geomech Abstr,1993,30 (2):81 ] Indraratna B,Jayanathan M,Brown E T.Shear strength model for 大.当充填层到达某一厚度，且压力增加到一定程 overconsolidated clay-infilled idealized rock joints.Geotechnie, 度时，其剪力大小受厚度变化的影响不大.从试验 2007,58(1):55 角度证明了充填节理的抗剪强度与其破坏模式相 8] Barton N R.Shear strength of rockfill,interfaces and rock joints 对应 and their points of contact in rock dump design//Rock Dumps Perth,2008 致谢本研究通过国家留学基金委(CSC)的支持得 [9]Sun G Z.Rock Mass Structure Mechanics.Beijing:Science Press, 以在瑞士洛桑联邦学院(EPL)完成，感谢瑞士洛桑 1988 联邦学院岩石力学实验室(EPFL-LMR)提供的试验 (孙广忠.岩体结构力学.北京：科学出版社，1988) 设备与试验条件 [10]Xu L,Ren Q W.Numerical simulation on the shear strength of fractal rock joints with different filling percentage.Coal Geol Ex- 参考文献 plor,2007,35(3):52 Patton F D.Multiple modes of shear failure in rock//The Ist (徐磊，任青文.不同充填度岩石分形节理抗剪强度的数值 模拟.煤田地质与勘探，2007,35(3)：52) Congress of International Society of Rock Mechanics.Lisbon,1966:第 3 期 史 玲等: 充填节理破坏机理及实验 图 9 不同充填厚度下最大剪应力与正应力关系( 图中曲线分段 以夹层破坏模式为标准) Fig． 9 Relationship between shear force and normal force for experi￾mental results of the joints with different filling thicknesses ( the seg￾ment of the curve is based on the failure modes of the filling material) 大． 当充填层到达某一厚度，且压力增加到一定程 度时，其剪力大小受厚度变化的影响不大． 从试验 角度证明了充填节理的抗剪强度与其破坏模式相 对应． 致谢 本研究通过国家留学基金委( CSC) 的支持得 以在瑞士洛桑联邦学院( EPFL) 完成，感谢瑞士洛桑 联邦学院岩石力学实验室( EPFL--LMR) 提供的试验 设备与试验条件． 参 考 文 献 ［1］ Patton F D． Multiple modes of shear failure in rock / / The 1st Congress of International Society of Rock Mechanics． Lisbon，1966: 509 ［2］ Ladanyi B，Archambault G． Simulation of the shear behavior of a jointed rock mass / / Proceedings of the 11th US Symposium on Rock Mechanics． Washington D C，1970: 105 ［3］ Barton N，Choubey V． The shear strength of rock joints in theory and practice． Rock Mech，1977，10: 1 ［4］ Grasselli G，Egger P． Characterization of the parameters that gov￾ern the peak shear strength of rock joints / / Proceedings of the 38th US Symposium on Rock Mechanics． Washington D C，2001: 7 ［5］ Pereira J P． Rolling friction and shear behavior of rock discontinui￾ties filled with sand． Int J Rock Mech Min Sci，1997，34( 3 /4) : 244 ［6］ Papaliangas T，Hencher S R，Lumsden A C，et al． The effect of frictional fill thickness on the shear strength of rock discontinui￾ties． Int J Rock Mech Min Sci Geomech Abstr，1993，30( 2) : 81 ［7］ Indraratna B，Jayanathan M，Brown E T． Shear strength model for overconsolidated clay-infilled idealized rock joints． Geotechnique， 2007，58( 1) : 55 ［8］ Barton N R． Shear strength of rockfill，interfaces and rock joints， and their points of contact in rock dump design / / Rock Dumps． Perth，2008 ［9］ Sun G Z． Rock Mass Structure Mechanics． Beijing: Science Press， 1988 ( 孙广忠． 岩体结构力学． 北京: 科学出版社，1988) ［10］ Xu L，Ren Q W． Numerical simulation on the shear strength of fractal rock joints with different filling percentage． Coal Geol Ex￾plor，2007，35( 3) : 52 ( 徐磊，任青文． 不同充填度岩石分形节理抗剪强度的数值 模拟． 煤田地质与勘探，2007，35( 3) : 52) ·259·