1、Lz T 1 P_ A 1_潘俊峰1, 2, 能昌信1, 张 1, 2, 管绍朋1, 2, 董 路1*1.S S%8l e/ , 1000122.S yS10 A 1rHDPE 1 PTV ,v /. 1rHDPE Sa oZE1 p1 p.? “ ,E?CHDPE i d.r f /, P21 6 S Research of Environmental SciencesVol.21,No.6,2008DOI：10.13198/j.res.2008.06.45.panjf.022 1 P,9E . 1 P_E S= _ZE,9 1r 1 PK V LarE, r 1 rA/ . Tr ,5r
2、, ,_|; Tr 5 P ,V7 V_|,_|s? p P11 (nm1) .1 P_E A 1 f 1s _ _12 .3S S1?Lz T 1 P_N 0_N, i 3 A 1 F f /,HDPE _,i L=2_ !1 .m1 Lz T 1 P_“d_ Fig.1 Principle of portable leakage detection system1 k#_ i 3 A 1 ,HDPE x F , I n Vr V ?$ #N A W PL,iKvKh V ? 1 P,1 1HDPE _.1. 1 _ !WDZ-10200 800V ;S S1?Lz T 1 P_N;_ #_
3、( i%- e/ ); #s q.Lz T 1 P_N u v 02 !. , 0 1 P_N_E, u v 1 P_NEE13-14.1. 2 _!Hqa. Hq. _ !_T ,A V LZ V Hq, rS =Y.b._ u x F A . x F 1 2,_ - x F , P A , _ z.c. !. # -4/, =sY ba ._V,b ), ! A5 .| = P YZ 7, ._VC , _ u A .1. 3 _V1. 3. 1 0_Hq._ u1 mM 0,YVs 0“ P#P. T_ u P, 0M P H,“| AJ,YVVZ_M 0, Pv15 (nm2) .m2
4、 0_Fig. 2 Dipole leakage detection procdure1. 3. 2 u v 1 P_|_ CsB_ u, u180m2,MW(115 m)_10a:_10 !_(nm3) ._ ui P H, P_ | A _, O Z_ Z_MQ,YV_ u m, L “ P .N H, P$115 m 115 m u =, P , V| P u_W l,_a.2 T) 2. 1 P_2. 1. 1 0_44 S 21 m3 u v_sFig.3 Portable regional fast detection_ u v(14 000 m2 ),3 n5 V/ 1 u 1
5、P_._ u 6 v(sY /5 / u) ,v1315 m, 1216 m z!_ u. 01 m._ V1 U.V1 HDPE 0_ Table 1 HDPE integrality inspection by dipole detection system_ uLPmLPH M? p1 15 122 15 123 15 12L4lM4 15 125 15 126 15 123| u u_V,?CL40 iM,yNHL lMS = ,_ nV2.V2 V, 0 PM H, V- 1. 76 VM+ 1. 68 V, Al,yN lM40 cm u=i P15.V2 0 _ Table 2
6、Supplement inspect using dipole detection system0 P Pm - 1. 0 - 0. 5 - 0. 2 0.2 0. 5 1. 0 PV - 0. 54 - 0. 83 - 1. 76 1. 68 0.89 0. 612. 1. 2 u v 1 P_YV 0_?C ilM,B P M P,? uv 1 P_“d P.m43| uVP sLm.m4 VP sLmFig.4 Potential distribution in doubtful point 1HDPE /A u,. HDPE _ u P,.HDPE P H,_u s ,?5L_9, .
7、 MUS(512, 613), VK-4. 56V_? p9F; L=_,_ u/MUS(1110, 114)C, 7 V. P +,N) V?B P,yNM u s? p.YV qmUS_ L=US1, P L=US. 0_ lM u.VC !,B1cm z?5 P(nm5) . P f , U ,w V ? x F !V P / .m5 ?5 P(C !)Fig. 5 Abnormal hole founded by portable leakagedetection system2. 2 u_TV36 u_T9.456 .:Lz T 1 P_ A 1_V3 HDPE Lz T 1 P_T
8、Table 3 HDPE integrality inspection using portableleakage detection system_ u_ Pm2Lz T 1 P_ 0 u v1 170 P P2 170 P P3 170lM?5 P, 1 cm4 170 P P5 170 P P6 170 P P3 a. E 1 P_/ ?r?C 1HDPE P,i? P .b.E 0_EE u v_1 cm P ( zQ, u v_SyS, W, !,.A 1 / 1 rA# P J. bv:1 S, 2004, 44( 12) :1684-1687.11 ,/, ,. A 1 PE_J
9、. S, 2004, 17(4) : 63-66.12 ASTM 6747-04 Standard guide for selection of techiques for electricaldetection of potential leak paths in geomembranes S . WestConshohocken, U. S.A:ASTM International, 2004.13 ?,J,/,.A +J.S S, 2004, 24( 6) : 758-760.14 ?, ,/,.r 1 PZEJ.S, 2006, 19( 2) : 93-97.15 , ?,.A 1 P_ E 1 J. Zv:, 2007( 3) : 304-308.(责任编辑: 孙彩萍)46 S 21
