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JL/G1A 50 һJL/G1A 50/8
䵼ṹΪ6/3.20(6ֱΪ3.20׵߽ʺ϶),Ϊ1/3.20(1ֱΪ3.20׵ĸ˿),
ɼһ½濴
=(3.14/4)*3.2*3.2*6=48.25ƽ
ֽ=(3.14/4)*3.2*3.2*1=8.04ƽ
ôÿ=48.25*2.7+8.04*7.8=193ǧ/ǧ
2.7Ϊأ7.8ΪֱأλΪ:/ףλΪǧ/ǧףDZ(һѵλ㣬ù)
֪ľṹôֱý㣺
ÿ=50*2.7+8*7.8=197.4ǧ/ǧ

ԲοGB/T1179-2008
ֱ͸ֵĵλһתΪֱ۸
=ߵλ/(ߵλ+ߵλ)ͬ
ֱ=ߵλ/(ߵλ+ߵλ)
JL/G1A 50/8
ֱΪ0.678:0.322
1JL/G1A 50/8
Ϊ0.678֣Ϊ0.322
ôԭܼ۸=0.678*߼۸+0.322*߼۸
ȻӹԼΪ10%
ͱ=ԭܼ*1.1
Ϊ10%dz=ͱ*1.1
ڣ2014-12-15 Ķ337
 

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