1、1004-9665/2000/08(03)-0351-06Journal of Engineering Geology工程地质学报 F SRQD8s X杜时贵 许四法 杨树峰 程俊杰 王思敬(vs310027)( 8G d # dbFarmer(1985) Ll,y L RQDW 1“,?Z RQD L ZE3bV1 H 8C y RQDW1“bGZEBRQDS N8 V L v ,18RQD_s+1:8RQD_s A,5iZ_BRQD ( VV FSbm1 E4 v 4 d u a LZ_ G dRQD18, L= + vbYV s L , V ,RQD_8,G d RQDS V8s ; A
2、RQD_s8,G d RQDS ?8s ,V ,G d nbV1 L KRQDW1“Table 1Relationshipbetween KandRQD of structural face s)RQD /m8C y 8 f5j25 15 0j0.2 0.225j50 15j8 0.2j0.4 0.250j75 8j5 0.4j0.6 0.2j0.5z75j90 5j1 0.6j0.8 0.5j0.8z90j100 1 0.8j1.0 0.8j1.02=RQDV , RQDt + MM1, s W YbC“d9 A U, + ( s+: 35 H,RQD = 0bSenEissa F F8:a
3、88RQDJvM11“2,Palmstrom1“ T+Y0,y Palmstrom1“ TrHqdN Y:W s, O8b(2)8 B“, F SRQD (B_sb8s H, ? us u,iYVRQDt_ss,s u 8s b(3) “ -, F SRQDV UZEbBRQDE8CRQD_s+, ORQDl vL+ y, rT B :RQDt_s A H,BRQD VV8+; RQDt_sA,5BRQD8s | 3 vb8RQD , O Ll_,8s b E4=RQDm# M ,47C vLt RQDt_s+,8s KD4;RQDl %o vLp5Bob ID1 HL, . F S( RQD
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6、 et al. Three- dimensional numerical simulation ofunderground rock excavation in Maya rock slope for Shuibuyahydropower project. Journal of Engineering Geology, 1999, 7(1):89j94.6Palmstrom A. The volumetric joint count - auseful and simplemeasure of the degree of rock mass jointing A. Proc. 4thCong. Int. Assoc. Engng. Geol.C, New Delhi,1982, 2:221j228.7Palmstrom A. Application of the volumetric joint count as ameasure of rock mass jointing A . Proc. Int. Symp.Fundmentalsof RockJointsC, Bjorkliden,1985, 103j110.356 Journal of Engineering Geology 工程地质学报 2000 8(3)
