GB 51016-2014 非煤露天矿边坡工程技术规范.pdf

UDC p GB 51016 - 2014 Technical code for non-coal open-pit mine slope engineering 2014 - 07 -13 1fj“ 2015 - 05 -01 Mt! Technical code for non-coal open-pit mine slope engineering GB 51016-2014 -1:$n:r oo 1tt 19: m :ttt1t$ n = i=F$A 1tf0 0011m-to 19:$ MI! 1 B WL 2 o 1 s 1=F 5 1 S 2014 * 9$AtfiJI t1 EI 0 fJ! :fttli 4-11-m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ( 3 8 ) T* K 1W IE!J 8. 8 t 1-cfi . . . . . . . . . . . . . . . ( 38 ) 8. 9 Jt f fil fl Jffi 1J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ( 3 9 ) 9 JLI :IJ1 fl JJlLT f J1fI! T. c 41 ) 9. 1 - f.19: * J:E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ( 4 1 ) 9 . 2 Jtli _-T. 11 ;-!. i5 i-t ( 4 1 ) 9 . 3 g , 1-t J1lli I_ C 4 2 ) 9. 4 Mti I fdt J1lli C 4 2 ) 10 Ilj:f.fft i C 44 ) 10.3 45( (46) 11 ( 47) 11. 1 ( 4 7 ) 11.2 (47) ffl A 7( 1if :ill :iJ! ii?. Ef! fig % c 4 9 ) ffl B a 7C iif J2I :iJ! :H* fig TIU tITT1J it- c s 3 ) 2 L c a 7C 1lt Jt1:ijj:1* lk t.5 tiJ 00 8“J JJ c s 4 ) ffl* D K7C1if Jt1:ijj:JEtiitJf7J c 60) ffl * E $17( lit JZI #j: $1il J!if 1ft! J c 68 ) ffl F E1illEffiJMfzJl?d1PIXXJru! . ( 70) * JJt1 m i i f?fl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c 7 s ) 51 fflt!Fllii . ( 76) ffl : x i.5l qJj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ( 7 7 ) 3 Contents 1 General prov1s1ons ( l 2 Terms and symbols 2 ) 2. I Terms 2 2. 2 S ym bo 1 s ( 4 ) 3 Basic requirement ( 6 4 Slope engineering geological investigation ( 8 ) 4. 1 c;.encral regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ( 8 ) 4. 2 4. 3 4. 4 4. 5 Feasibility study stage Design stage Mining stage Engineering geological mapping and investigation 8 ) ( 9 ) ( 12 ) 13 ) 4. 6 Exploring and sampling ( 15 ) 4. 7 In-situ tests ( 17 ) 4. 8 Laboratory tests ( 1 7 ) 5 Evaluation of slope stability ( 20) 5. 1 (eneral regulations ( 20 ) 5. 2 Analysis and computation ( 20 ) 5. 3 Evaluation and results report ( 22 ) 6 Slope monitoring C 24 ) 6. 1 General rqulations ( 24 ) 6. 2 Dcf ormation monitoring ( 25 ) 6. 3 Stress monitoring ( 27 ) 6. 4 Vibration monitoring ( 27 ) 6. 5 Rainfall and groundwater monitoring ( 28 ) 4 6. 6 Landslide monitoring ( 29 ) 7 Process control and maintenance of the near-bank slope ( 31 ) 7. 1 General regulations ( 31 ) 7. 2 Process control of bank near slope ( 31 ) 7. 3 Daily maintenance and deformation control of bank near slope ( 3 2 ) 8 Design of slope treatment engineering ( 33 ) 8. 1 General regulations ( 33 ) 8. 2 Drainage ( 33 ) 8. 3 Reducing load by cutting slope ( 34 ) 8. 4 8. 5 8. 6 8. 7 8. 8 Anchor bar Shotcrete and rock bolt support Anti-slide pile Frame beams anchorage Retaining wall ( 34 ) ( 37 ) ( 37 ) ( 38 ) ( 38 ) 8. 9 Other treatment methods ( 39 ) 9 Construction of slope treatment engineering C 41 ) 9. 1 General regulations ( 41 ) 9. 2 Design of construction organization ( 41 ) 9. 3 Information construction ( 42 ) 9. 4 Emergency measures for dangerous situations in constructic)n ( 42 ) 10 Engineering detection and acceptance ( 44 ) 10. 1 General regulations ( 44 ) 10. 2 Quality inspection and engineering detection ( 4-4 ) 10. 3 Acceptance ( 46 ) 11 Safety and environmental protection C 4-7 ) 11. 1 Safety ( 4-7 ) 5 11. 2 Environmental protection ( 47 ) Appendix A Geological structure classification of open-pit mine slope C 49 ) Appendix B Measurement and statistics of rock mass discontinuity of open-pit mine slope ( 53) Appendix C Mechanical parameters of rock and soil mass of open-pit mine slope C 54 ) Appendix D Stability calculation methods for open-pit mine slope . . ( 60) Appendix E Key points for deep displacement monitoring for open-pit mine slope . . c 68) Appendix F Key points for testing on rock anchors and design of safety netting system ( 70 ) Explanation of wording in this code . . ( 75) List of quoted standards C 76 ) Addition: Explanation of provisions ( 77 ) 6 1 1. 0. I jg ft *l 7C :Pt Jt1 I B i=t=JJ , Vf 1fl , it it , llf y,ITT1J fO 1fl Jll! rt1 , -t fill 11l fr 00 CfI1: 8 tJl *if I!Jl 80 lt11x JtJ. 1f , Jt f : 1 1it LIJ Jl1 :IJJl fr i 11 80 Jt ix 0 1. 0. 4 I?! 7( 1( it1 1f1 JJ. T. t , Jifl t# iJ ;$. i l1t 8 J o 1 2. 1 * i! 2. 1. 1 a 7( fit it1 0 pen-pit mine s 10 p e ftS7C*Ji1,*%Aiit1to Jl A*!? 6 M 6 fJJC -h +tr J /A ;ry-P1i:tJ r:d 1:=1 “ JLl x o 2. 1. 2 Fl flJtl bench slope *-JE*:5tkrPJT*% Jllo 2. 1. 3 ltg it1 near-bank slope iliH*MNm*B“lIffl,%-7CJ21, i:fL jg fil JE it1 0 2. I. 4 A, f* it1 JJt general slope k3itlrnT3Mit18“13M k7(-J21oB“Jit1JJtmit1JJt mo 2. 1. 5 _I ill mJ: 7t IX engineering geological zoning * li:=Hi , fig m , _T :fj ill m! to 7JCc ill m! 14 I lEJ 7-fs: t JPJ - s“J )Jj mu u * B“1 IX FJt 0 2. 1. 6 J215t IX slope zoning ftfPJ-I5t,it1WOOF7-fs:- Jt * ffl JPJ -B“J if1J 00 tot JPJ 8“1 i-r tt * * fJE B“J fJl o 2. 1. 7 :B-JL 1 rPJ fi!if* directional core drilling il1l tr 1 rPJ :Ji ltUiffl JE 5 J L fr )Jj 1iL 8“1 1J rPJ , 3t J!U JE :T5 J L 9=1 ii 00 B“J f PJ $ tt , EftJ 1E !6 JL k /G Ji 00FB“J$6f5R1f 1! o 2. 1. 8 Jil#JlE: * tt factor of slope safety 2 t1 11 JJR T. fi nfil T J im EI ill m:r tw ?Jl tu lt1 _llif 1ft1U 1$ , xr lt1 8 .tfil mJ: tl it: ,. N it tt i1t fr fl iXE , xt nfil T 1i: i1t 1-x- *IJ 1JT Jf Jk Bt jf i5l it tifil I jf 8 J)fil T. TI ll 1f $; o 2 1 15 -;:-J * FL t . f . J . z;JJ , i:x 1 m orma t1on oes1gn -lB -1:!. -h -kl: 1 6 J If T:!I: T Af-r J:;-:; f.4! 1-6 +f /-h -kl: -3 ,J.1-1-/,:-=: -1:*“ -f. ?tr 11 1; JLl J-Jx ,ig, -,-L JJIB . p 1.x i!J! a JE1, , Jzr fr JLl J-X -ri, 1E 1-r. -i JI 3t-f iE til JE %Nit 80-lit!r 1! o 2. 1. 16 l=flj unloading by cutting slope :. :ti l1Jlj I Jil #! _t $ ffl , iJi. g!i ill #! m , ?Jl j)J :f:J f; jt Yfli ? tf JtI :tJ_f m IE ti 80 1J 1! o 2. 1. 17 fmff anchor bar 5m :ct l61Lff1* fl h 1 m 1 !h 8SOO I , II ,fII r 3007m I fF o 4. 2. s or 1-r tt 1iJf n fr Mt 8“J mr 1 I fF JJtL w 1JJ , n im x 80 iJJ El t gm rftlu x iftlu ii -yg o -m mt 14 JI * , 1i B ifti t-t m JE * Jr-fl 8 lb * Bt m i1t 1-r I fM Jtf! mi iftW Ell! 1* 4m 1* I fF 0 4. 2. 6 31- t t q * Er !fZ; m , xt , 1-* it1 :fJj: ti !f1;J IDt H!lJ * Jt * 1J 1it LlJ PJ it J!ff JkBt, illlur1-J r1 iJ 1if . 4Z J_V1!WJ , -f VJfL 4. 2. 1 -a-rfr tt 1iJf 1t fr m iJ1JJ *i * trr * *m JWJ Er1 f1 r JtI J:JJt , A .r. Jtl.:!Jj:RmilimJtf!T*2IKMo 4. 2. 8 B -8“1 -E ir)JF! *4/G JE Bt, !Jtr * iitf Jtf 11-ii o 4. 2. 9 PI 1-r ti 1iJf n fr fl m * m M Et it1 :fJj: J ti it Jr t-n it if 1fr , t H it1 fB JtI J:JJl ffl Er1 ti # m o 4. 3 i i.t fJft 4. 3. 1 iSl i-f-rVI 1 Er J11 :lJ _I fj lb M * f1L -fJ 1Y LlJ i5l it fl fl it1 i5l i-r 8“1 1tl 0 4. 4. 4 * mxt E.Jf ITT f:l :itt1-Ttj:iJJ, t!F ili 5E tj: IR# Ni U Jl: % ITT 1lt o 4. 4. s 7f * f?1I UT fr F=t J?1I _t Jt! 1-T Fi i1t 9!U ii , * 1 z. Jt 1-tJ , m *VT* :rm :111tt 19: B“1 -ar M ti 0 2 m 1iJf Ji En B“J :fi I fi ti ml Lt JX.1-t W tW l5G , #mitt 1-T :fi -=r fi :E-r13. u *, iiffl J gli B 5-t 1tJ“ w , 1r *J J :fi-gli 8 lft lz;J 41-t *o /F :=i g13_ 8“1 t !lr Jc * o 3 m jIJ JE :fi Fzf F *J JE m M ID! * m M * jf M ift= 1*Jf Fzf ti 5t fr R Jg f1J :(: M fJ :tm * 1*Jf B“J % )ft m * *J :JG WT f1J :iiI m $1 ; m it! +r i$ m 11J x 1P!u ii , iJ111 * 11 J_t ITTit , xt =f ili * It * =f 3 0 m B.111 J_I ill lf!. 3R f ; ill 5t tJT 11! J9t f m xt J:fil % -. 7j( )C :tfil J9t 14 Ed1t /G mt ti=: ffl B.1 nlnJ ; m 1ift.J JE :H*-B“J r!H o 4 m jJJ 11! T 7j( B“J -. * * M 12 ifiE -. ff nttt :?k 14 * 7Jt “tn tu* ffl n ti ; 3) m7ttrrm#!ffl: ll9 “m101*, rYU91u ffl#! RM! *-*oc,*mmo 8 MmSjM*fi,mOOmfflM IRJWJ W)HmuN1 oc 11-tf 2 1-tf 8 1*I 0 iffe 7ttfr mr4it T 37Ll tJE: 1 ) J1!_ iJJ ifig J 2) m*IJ WTJ21#!ilM r. 1t11 m fit ti-aJ fi urmOO o 9 *mfflmT*M*fi,001F tl il 1f t1iE “% ffl: mmtfFJJi 4; 2) b_tl*IJ 5E !Mm ffJ * 8 ilnM!, Jt m th J?jj1 i o 1 o m iJJ 1F fill ti Sj I iJR 70 !i , m if IK :! ifig :iJill mt “ .i ill m-ffltim,timJ 2 fil mt xJl 191U , ; oc , !tL t 3 fil!9txmu , mJEJtfU m xrt fO A._Iff!, a Y st,: 14 1ff It IE il 81.J 11Ht 1 ti o 4. 5. 4 Jtt?. oo B“J tt ffetl J 1J r 1 = 2000 at, llJ * m * 1Sl , xt1M i1:x!Ji!.fl11J ,li*ffl 1Sl; 2 AA m .ttf!Jf3 oo B“J tt fJu R. * -r ! r 1 = 2000 at, ill* m 1Sl 1!-; 3 Jm )l J?l Xf J2I JE 11: B“J 13 OruJ , u 5t rx FF , tifff ; ill 1x 11 “ *x ij 11 fO F !f1H11 o xt tz: f IJ 8“J ii ITff illtmf )7 I jz Ji 1 ft t 0 :ill#t :6 fig 00 rfllu fl it PT * * *,m m ffl B tA fr o 4. 5. 9 fr rPJ ITT _I -tJW: 7t IK fO Jft M ITT rPJ $ 11I , xt F flJ ITT j! ITO !ffJ: 11 u 1 il ill y T 15 0 T ; xt Jt fill 11 ITT ii ITff 0 itt fr* ;L 15 IE (rt t6 f* at , J1L ffl x:x :m :Fi-J L, ; 3 flfi l$T Fzf WJz w tJ t4 st , 1I#Jx1tf i:X:XI-:IJL o 4. 6. 2 JEfP1$JtJL*$!J1IU 100% ,JErPJJjJ)f!J1IJt1J 95% _to 4. 6. 3 ttl 1* tt fj 9=1 , rJsL ic *= f4t 17t t fil ifil T 7K fR !ffJ fJI 7f is I. ft: 11u fJ1Z 1P11J it 7k 1iI o 4. 6. 4 * JL JisJ. t11: I_fjfilJlQ * *=, xt 5E rPJ JL Jisl.- ii to /G :ii t rm , /G t$; TIU tr: , !Jy tJ J 1f rPJ , *fl fill JJt :fil J 11 Jj lj 0 4. 1 HR f iL 1911J ii: 4. 1. 1 .1* fft 1J!J -tit m If 2 f/$: 89 ff5 ii %1 PT * J=tj if ff if 3 -f* Jn Ji 8“1 1iffi /E TtJ * Ji1 f* r tZJ TM il 11tx o 4. 8. 4 x1*x1W: :E-E mz 1iJf Jt :tJt 7J(f1 ; x1Jl1f M3 * fi :5 E , ml :ilf 1-T Mimt M3iEM3!*JJ 81; x1 Jt.1f !i!f7Ef2tf1 E ml tt:E- E -iit ott*tt*EmE, Jtiit#rr*:ilffijJNiito 18 4.8.5 1riijci!rPJJjJi _.$dliijc-f.8 till Niriitf:if w i=r B tn m 1k -f 0 xt-=r 1l ii, m * J ru 5E ill$ til YE! lJt HI J s!F. J!t o 4. s. 6 :B-1i 8 1JiJfIJ J! 1I * ffl 1:tdITTU 5E o 4. 8. 7 xt /G :ii ITff IBJ ITT Jt fjl 4m :it! 1-T ii Ht ill -OtlA# : r B“J * 0 WmW*B“lNill*attB“J$%:ittfio 1 9 5. 1 -f.N *Jl k 5. i. 1 xt-r 9Ll JL1:fJJlm:fr7E ti if 1fr hZ rr!i it /G JJ fl Bt B tt * ill Fi 0 1 fit LU jfJ :f:Jj ; 2 *AA#Jl%*fflJL1; 3 *WJ lBJ :H f,m*JUE8JJL1:fJJl o 5. I. 2 JL1#!7E t1if 11r m E;E ti 5ttJf 8 Tittl _t_ iE it it-, itit! 1iif 1fr 0 5. 1. 3 Jt1 :f:J.t tf f A m tN m Jn :fJJl it! JJ: ir!i ifig ,fQ Jn :f:Jj: 1 fr t B“J l:l 1t ff (Jl 11A1 JE Jf rJI fie J;f if A fil t$ tB m B“J -it -h rt; nfft 5E -i-1- *fr “-H /.-“-1-t +er :f r-.-IY-J-“t :AA Jl 1T JLl )( ,%.“ E L.:t. 1 Yi 0 5. 1. 4 Jil!E ti it Jr. m t l1Tft:*t!i1% D. 1 11 BJt,m5Et$ o 5. I. 5 xt!t( 71 I Ji 8“1Jn,1i * ffl :ffJJ1! xtJtI :f1t 1Vl :f/F if J: , f. 5E to fF HJ 1JJ tP-*U 5E , Fo ! ffl If !JI 2 () 8011$: ill 1ii-t-31=0 s. 2. 3 JtI J:Bl WJi tf t J: f iJ wz # JtI w r;y_ + ttt ;t1 :fJ! f1t 1 lfil BJ: !Jf-rm 11!. J9i fff ft ?R E Jm fr r * t1f 1l ( 1-i f;fil lfil Ji iJ LK -Q1J fl c ; B 1 8 3 o 6 a 1f 1:. ti ;, o 5. 2. 6 xt ff fr N1 M * J: TIX $ i 11t iJ ITU EI Jt1 :lJJl FM ft 5JIJ x11t Ifft PT n 80 * J: TIX iW iJ llir ill fr Jt t-H. Jl fill J)J ;J 97:. * tt 1t -JJ Jll #! 97:. * 0 s. 2. 1 ,-mt JtI :lJJl - rnJ ,1 mt 80 f fi +t1 mr -tJL -gg 5lil JJ 11 m m zq # T J“U tQ: 1 M tt fi t2g rm He WI 5lil Ji J_L 11- rni m 51Ii Jf JW: J fil 80 f-) ftr ; 2 x 1 *= M m B 3 MttNW*o 5. 2. s :r:;-f*rfi t oo s0 He Jr1 IR fft r * m , r*1.:f Ji t illf m v1 t.Lt flh. rm +z !Et-1-L .-:P TIA !n * m -H !l!i (“ 1 1 !:?. -C-:+ 1“?. A ft I:_ .-i: !?-11-I: :.iIL A:. iJJ .VJ, Ji i.1, :i /f 1-l /-f J/L ilL -17 . .y-J J z;: JJ n 1inj JE a /u ;J. n s. 2. 9 -f* :tJL m 1.ffi J t fl) m J=tJ rk1 iJ fiL J)t i i ti )f 1t rlfft 5E , :JC fk 14 ill fr i:tl: _t1 :iJ! , f* fI mt JZ1 :l:JJL , - W1 tf t 11 J 5JR Jf5 W1 uJ , 1l :*HJ rm 1t 14 !Mr- , m wr t11_ -l irD1 wr rt it! 1-i t J tt it- : -i filZ tf fj J: -A !I ft filZ HJ , A- HJ J if Xf Tm Ik .r-ij gEl _ t_ fi ttJ f -lJ 1J 1f3 JJX: El 1f3 J/F f :i: ill J;Jl , * m f$: 1* Ht r1-f.% J 1ti tt 11: 0 s. 2. 12 Fzl !# f* Jn. 8“1 Mi if !HJ Itx rm Jill flf , rL _Tl Jfil ft JE )l 0 s. 2. 14 i nfU ill J1Z iE 80 3: lEl # , jt ;ft t=iJ N fEl # , J_Lit! 1-J x ti7ttrr 0 5. 3. 1 J21 #5 f,-g .) ti: if 1fr J_Z TI!. tili f lj J : 1 ill #1 5E t 8“1 JE Jt1 *J JT ; 2 J21 f)Jl .f,% ti it-Jf ; 3 :ill #l f,% t- fr if 1fr tiL/Z R A Y, Jt ffr ; 4 fifft JE 5t lX. Nt 17t J21 #5 Jtl o xJ 7C flt lt1 :lJJl 1# JI T f , J0!_ tlf: tI t m B T. r ttt tfil f!J -ll , jt Effl IE rjJ.1 Ji -J B 1li 1:Jt ill :IJJl 1ft rliL * jtJ :fJ! m k t1 vv 1fr f tfl 1:#, .r- -n 7f: Wfl IE o 5. 3. 4 it 1Jt Jt1 tiz ifJ EJ“J 1iftt i fel -t!f: :ill :fJJl T l 1fr J_IP: t 1Ifil xtj tlf: j Ji1 :lJJl it tE 8-J fr Hi J-t-?t trr illl rl T. t iW 1iUi 1m ik 17t J21 :fJJl ff 8“1 rJJ tt 0 s. 3. s