雷电灾害区域风险评估技术规范DB46／T 466-2018.pdf
ICS 07.060 A47 DB46 DB 46/T 4662018 Technical specifications for regional lightning disaster risk assessment 2018-10-23 2018-12-01 DB46/T 4662018 I GB/T 1.1-2009 DB46/T 4662018 1 1 1km2 2km 2 GB/T 21714.2-2015 GB 50058-2014 GB 50074-2014 GB 50156-2012 3 3.1 safety distance 3.2 relative height 3.3 personnel density 3.4 influence DB46/T 4662018 2 3.5 building density 3.6 equivalent height 3.7 regional lightning protection level 3.8 safety management of regional lightning protection 3.9 electrical system GB 50057-2010 2.0.26 3.10 electronic system GB 50057-2010 2.0.27 4 4.1 DB46/T 4662018 3 1 4.2 II III IV 5 5.1 5.2 DB46/T 4662018 4 2 6 6.1 6.1.1 DB46/T 4662018 5 6.1.2 6.1.3 6.1.2 1 1 2 3 4 0.25km2 1km 6.2 6.2.1 6.2.2 6.2.2.1 6.2.2.2 6.2.2.3 6.2.2.4 DB46/T 4662018 6 6.2.2.5 1km 6.2.2.6 6.2.2.7 6.2.2.8 6.2.2.9 6.2.3 6.2.3.1=1 6.2.3.2 6.2.4,),(5 4 3 2 15 2 125 22 2115 12 11m 2 1b b b b b w w w W Bm m m.(1)B W 6.2.5 123451*3*5*7*9*gbbbbb.(2)7 DB46/T 4662018 7 2 0,10 0g2 g4 g6 g8 g10 8 DB46/T 4662018 8 A A A A.1 A.1.1 A.1 km2a)2.5 2.5 7.5 7.5 10 10 31/(km2a)A.1.2 A.2 kA 10 10 20 20 35 35 50 50 2kA 200kA A.2 A.2.1 A.3(m)200 100 200 50 100 20 50 0 20 400(m)A.2.2 A.4 5 20%20%60%60%A.2.3 A.2.3.1 DB46/T 4662018 9 A.2.3.1.1 A.2.3.1.2 1000 20 1000 21 500 500 22 500 A.2.3.1.3 500 20 500 21 300 21 300 22 300 A.2.3.1.4 300 20 300 21 100 21 100 22 100 A.2.3.1.5 1000 100 20 100 21 20 21 22 GB 50058-2014 A.2.3.2 A.2.3.2.1 A.2.3.2.2 A.2.3.2.3 A.2.3.2.4 A.2.3.2.5 3H 3H GB 21714-2015 DB46/T 4662018 10 20%A.3 A.3.1 A.3.1.1 A.5 24m 100m 0.6 II 0.7 III 0.8 IV 0.9 1.0 A.3.1.2 A.6/km2 10000 10000 20000 20000 30000 30000 40000 40000 50000/km2 A.3.1.3 A.7 5000kg DB46/T 4662018 11 5000kg GB50074-2014 GB50156-2012 A.3.1.4 A.3.1.5 A.8 0,15%15%,30%30%,45%45%,60%60%,1 A.3.1.6 A.9(m)0,30 30,45 45,60 60,100 100,600m A.3.1.7 A.10 A.3.2 A.3.2.1 A.11 A.3.2.2 DB46/T 4662018 12 A.3.2.2.1 A.3.2.2.2 A.3.2.2.3 A.3.2.2.4 A.3.2.2.5 A.3.3 A.3.3.1 A.3.3.1.1 A.3.3.1.2 A.3.3.1.3 A.3.3.1.4 A.3.3.1.5 I 0.6 II 0.7 III 0.8 IV 0.9 1.0 A.3.3.2 A.12 A.12 DB46/T 4662018 13 DB46/T 4662018 14 B B B B.1 B.1.1 B.1.2 B.1.2.1 500m500m B.1.2.2 1m 6m B.1.2.3 B.1.3 B.1.3.1 B.1/m 1 2 3 0.5 0.8 3 2 1.5 0.8 3 2 1.5 1.4 0 2 2.4 1.36 1.2 0 2 1.8 1.2 1.1 0 3/1.32 1.2 0 2 2.4 1.56 1.2 0 2 1.5 1.3 1.2 0 2 1.4 1.1 1.0 0 2 2.5 1.51 1.2 B.1.3.2 1m 6m a(DB46/T 4662018 15 B.2 3H GB 21714-2015 DB46/T 4662018 16 C C C C.1 C.1.1 C.1.2 C.2 C.2.1 C.2.2 30 C.2.3 10km C.3 C.3.1 C.3.1.1 C.3.1.2 C.3.1.3 C.3.2 DB46/T 4662018 17 C.3.2.1 3km3km C.3.2.2 C.3.2.1 C.3.2.3 3km3km C.3.2.4 10km C.3.2.5 10km 2km 10km 10km DB46/T 4662018 18 D D D.1 gaN d gaT N 1.0.(D.1)gaN km2a dT 30 D.2 R gfN D.3 D.1 D.2 gaN gfN gN gf ga gN k N k N 2 1.(D.2)gN 1 k 1 y y DB46/T 4662018 19 2 k 2 y y DB46/T 4662018 20 D E E E.1 a)(j=1)22 11 22101)(v rv r vv vr vv rrj ij ij ij ij i.(E.1)ijr i)(ijr i j b)II III IV(j=2,3,4)11111111010)(j j ij j i jj jj i jj j ij j i jj jj j ij ij iv rv r vv vr vv rv r vv vv rv rr.(E.2)c)(j=5)45 44 54501)(v rv r vv vv rv rrj ij iijj ij i.(E.3)1v,2v,3v,4v,5v,E.2 a)(j=1)DB46/T 4662018 21 45 44 54501)(v rv r vv vv rv rrj ij iijj ij i.(E.4)b)II III IV(j=2,3,4)11111111010)(j j ij j i jj jj i jj j ij j i jj jj j ij j ij iv rv r vv vr vv rv r vv vv rv rr.(E.5)c)(j=5)44 55 44501)(v rv r vv vr vv rrj ij iijj ij i.(E.6)DB46/T 4662018 22 E F F F.1 F.1 1v 2v 3v 4v 5v km2a 1.25 3.75 6.25 8.75 20.5/km2 5000 15000 25000 35000 45000/7.5%22.5%37.5%52.5%80%m 15 37.5 52.5 80 350 m 300 150 75 35 10 DB46/T 4662018 23 F G G G.1 G.1.1 G.1 G.1 1 ija Ai Aj 3 ija Ai Aj 5 ija Ai Aj 7 ija Ai Aj 9 ija Ai Aj 8 6 4 2 ija Ai Aj ij jia a/1 1 iia A mm 2 m 1 mm 2 22 21m 1 12 11m m)(a a aa a aa a aa Aj i.(G.1)m G.1.2 DB46/T 4662018 24 max W G.1.3.I C 1.maxmmI C.(G.2).I R G.2 1 2 3 4 5 6 7.IR 0 0 0.52 0.9 1.12 1.26 1.36 8 9 10 11 12 13 14.IR 1.41 1.46 1.49 1.52 1.54 1.56 1.58.IC.I R.R C.I RI CR C.(G.3)1.0.R C A A.R C G.2 G.2.1 G.3 3:1:2 2:1 1:1:3 1:1:1:2 1:3 3:3:1 3:3:1 1:3 3:1 G.2.2 DB46/T 4662018 25 G.4 3:1:2 2:1 1:1:3 1:1:1:2 1:1 3:3:1 1:3:1 1:2:3:1 G.2.3 G.5 3:1:2 3:1 1:1:3 1:1:1:2 1:1 3:3:1 1:1:1 1:1:1:1 G.2.4 G.6 3:2:2 3:1 1:1:1 2:1:2:2 1:1 3:3:2 1:1:1 1:2:3:1 G.2.5 G.7 DB46/T 4662018 26 3:1:2 3:1 1:1:3 1:1:1:1 1:1 3:3:1 3:3:1 1:1:1:1 DB46/T 4662018 27 1 GB 50057-2010 2 DB 31/T 910-2015 3.J.2009,30 68-70 _
