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ڶ
KZλòͬΪҲ˸ݽĶê̸ͬο03G10113738ҳ һ
ݽȣ㾻Hnֽêֵôֽêֵοǵأ
êQLaeߣ㣫12d aڲֽê̳Ϊ ֱêRLaeߣ
R1.5Lae
bֽê̳Ϊ һ㣺Rߣ㣫㣫8d ڶ㣺Rߣ㣫 ע⣺GGJ V8.1Уڲֽê̳Ϊ êQLaeߣ㣫12d ֱêRLaeߣ ֽê̳ȣMax{1.5Lae ߣ㣫}
ݽȣ㾻Hnֽêֵôֽêֵοǵأ
ݽê̷Ϊڲֽêֽ̺ệ
aڲֽê̳Ϊ êQLaeߣ㣫12d ֱêRLaeߣ bֽê̳ΪR1.5Lae
ע⣺GGJ V8.1Уڲֽê̳Ϊ êQLaeߣ㣫12d ֱêRLaeߣ ֽê̳ȣMax{1.5Lae ߣ㣫}
ݽȣ㾻Hnֽêֵôֽêֵοǵأ
ݽê̳Ϊ êQLaeߣ㣫12d ֱêRLaeߣ ע⣺GGJ V8.1Уͬϡ
ʵʹУ֪ΪԤưֽ壬ҪֽIJ ҪУ (˫˫)ֲ֧ Ӹֽ (DzӷڸӸֽ)ŽŸֽ (˫ֽʱ֧²) һ
Уijġ
=߳ߴ+ê+ê+乳Ǣ ߳-ۼֵ/࣫1 ֲ
=++
Χ-ۼֵ/࣫1 ֲ=÷Χ-ۼֵ
ֲ=иij/ֲ+1
Ӹֽ(DzӷڸӸֽ)֧Ÿֽ(˫ֽʱ֧²) ʵֱӼֽijȡɣпֱ뷨㡣
ΪʲôֽУ135o乳мΪ11.9d
йʱȡ11.9Dʵ乳ȲֵĽ֪乳ƽֱγ10DôȲֵӦ1.9DƵһ1.9DȲֵ ƤĽ1000+300ôǣ
1000-D/2-d+135/360*3.14*D/2+d/2*2+300,Dȡǹ淶涨С뾶2.5dʱúʽӼǰʽӵĽǣ1.87d1.9d гֵʱδ
ڵϢá/ֲͬĵŵС2B22/2B25ĴȰһһӦȥ250/3002B22Ӧ2502B25Ӧ300
м֧ĸֽͬʱδģ
м֧ĸֽͬʱֱ뵱ǰ֧һ֧ĸֽԭ֧ĸֽͬͨͬệжԭʽͬͨͬê̡֧Ϊ5B22һ֧Ϊ5B222B20522ĸֽ֧ͨ220ê֧ δģ УıΪ֣
1߲>1/6ʱĸʽǷͬĸֽȫê̽м㡣۳Ϊ15d߲
2߲<1/6ʱ֧ĸֽͬжд Ļǿȵȼ仯δݽ Ļǿȵȼ仯ݽĴ 1ݽõѹĻǿȵȼã
2ݽðӣ12ΪC45310ΪC35ҪֿһΪC45Ϊ3㣬3ֻ빹ߴ缰ߣĿDz2Ϊệһ110㣬12ֻ빹ߴ缰ߣֽϢ3㿪ʼ룬ͿԽˡ
ÿԲֽȼ㹫ʽL=NP*P+(D-2b+do)^2*^2^0.5+乳 ʽУ
N=ȦN=L/PLΪԲ
P=ݾ D=ֱ do=ֱֽ b=. ⣺
ֽ=ֽ㳤*øֽÿ
ֽܺ=ֽ*[1+ֽ] ֽݾ
ֽ=ֱֽƽԺΪλ*0.00617