1.Y(ji)(gu)
1(d)֧ͬr(sh)оdͼкdӛ(yn)֧̎ır75%Ӌ(j)㿹dr(sh)ܕúǂ(g)ʽ
2Ӌ(j)Ӌ(j)Ӱϵ(sh)r(sh)ҪY(ji)(gu)IJǻϽY(ji)(gu)߀䓽Y(ji)(gu)ȲͬõĹʽҲͬ
3Ӌ(j)ÃȣӋ(j)Ӌ(j)ɻ
4SСƫ(gu)䓽(qing)O(sh)Ӌ(j)ֵ300MPa
5Ť(gu)һŤ(gu)Ťdϵ(sh)Ɨlעȡֵ
6{(dio)ϵ(sh)@(g)һæ
7dMϕr(sh)(dng)dY(ji)(gu)ijdr(sh)(xing)ϵ(sh)ȡ1.0(dng)dY(ji)(gu)ijdr(sh)(xing)ϵ(sh)ȡ0
8Ӌ(j)we乿ʕr(sh)C35C35Ӌ(j)
9}ĿoO(sh)Ӌ(j)ֵ߀(bio)(zhn)ֵ
10Ӌ(j)F(xin)䓽S܉ƫ܉(gu)r(sh)L߅ֱС300mmtлď(qing)O(sh)Ӌ(j)ֵ(yng)ϵ(sh)0.8(dng)(gu)|(zh)Sߴȣ_бCr(sh)ɲܴ
11Ę(gu)䓽ÿ(c)v(gu)䓽ϡ²䓽䓽Ľe(yng)Сڸebhw0.1%g˴200mmעÿ(c)e
12Sdr(sh)3ϕr(sh)Ac(yng)۳䓽e
13ܵȽY(ji)(gu)ʩzd
14]_܇ˮƽdr(sh)οSÿ(g)żcMϵĵ܇_(sh)(yng)2_
15Ӌ(j)ω0r(sh)ֲڶB^(q)ֱӴL(fng)ACD^(q)(yng)(dng)?sh)صĻL(fng)քe1.380.620.32롣
16ֱӳܵ܇ĽY(ji)(gu)(gu)Ӌ(j)d(yn)ƣѕr(sh)(yng)]܇dĄϵ(sh)
17Ӌ(j)ұۘ(gu)ē϶ֵr(sh)Ӌ(j)Ȱ(sh)HұLȵ2ȡ
18wΌӷż¶܇͗Ӌ(j)Lе܇żżܷӋ(j)LHmHu/Hl≥0.3r(dng)Hu/Hl<0.3r(sh)Ӌ(j)L˲2.5Hu
19ĸ߶ȣνȡЧ߶ȣTνȡЧ߶Ȝpȥ߶IνȡߡTͽ(yn)ʕr(sh)Իܶ
20䓽^L(dng)(qing)ȵȼC40r(sh)C40ȡֵϵ(sh)
2.䓽Y(ji)(gu)
1ֱӳ܄dĽY(ji)(gu)܇(yn)㏊(qing)Ⱥͷ(wn)r(sh)]ϵ(sh)
2Ӌ(j)㘋(gu)L(x)ȕr(sh)Ҫע⸹ijƽ(ni)߀Ǵֱƽ
3(qing)ȵۜpϵ(sh)ڏ(qing)lr(sh)r(sh)ӛ
4бƽĸUӋ(j)Lϵ(sh)0.90.8
5pLӋ(j)r(sh)ӛσɱĺ_ߴe߀ҪעǷM㘋(gu)Ҫ
6Lۜp˨BLȳ^15d060d0r(sh)ӛóۜpϵ(sh)
7䓽Y(ji)(gu)S܉(gu)ķ(wn)ϵ(sh)ڲr(sh)ע̖(ni)fyҪֱӾ͎235M(jn)ȥ
3.wY(ji)(gu)
1sgࣩӋ(j)߶ȵxȡҪeС׳e(cu)
2ĿAкdֻ]dҪØ(bio)(zhn)ֵҪѻdҲM(jn)ȥ
3ע⏊(qing)ȵ{(dio)ϵ(sh)we<0.3w<0.2
4wֲ(qing)ϵ(sh)γ״uwKw(yng)γ≤1.5δKwγ≤1.0
5XpͨpƉҪ
6wLcL֮˴1.2(dng)ϟowr(sh)˴2
7W(wng)uwеwe(yng)С0.1%(yng)1%
4.ߌcY(ji)(gu)
1SֵxȡһҪС֣עጣ׳e(cu)
2ӷӋ(j)r(sh)ǰ0.9Ҫ0.9.
3ڽY(ji)(gu)(ni)cλӋ(j)F(xin)bwʽĄȿɿ]ϵ(sh)ɸ(j)rȡ1.32.0.gǰ(yng)2߅ܳ1.5.
4cMϕr(sh)עL(fng)dǷcM
5ײӋ(j)Õr(sh)Y(ji)(gu)䓽Y(ji)(gu)Եϵ(sh)ͬ0.85ߌ䓽Y(ji)(gu)0.8Ҏ(gu)䓽Y(ji)(gu)0.85.
6Ӌ(j)ˮƽӰϵ(sh)r(sh)Ҫ]T15TgP(gun)ϵ
7Ҏ(gu)еĿȼҪ巿A߀B߶ȣȻٿe֮ҪһһЄeһEС
8O(sh)Ӌ(j)r(sh)֫Ŀȼ(yng)һ
9ֿ֧Y(ji)(gu)(dng)D(zhun)QӵλO(sh)3Ӽ3ϕr(sh)֧ײӏ(qing)λĿȼ˰Ҏ(gu)һãѽ(jng)һr(sh)ɲ
10ڿ-Y(ji)(gu)Y(ji)(gu)ע⮔(dng)퉦LС3߶߅LС2r(sh)ҕo퉦o
11һ֧ɵa(chn)S(yng)քeϵ(sh)1.51.2.עǵa(chn)S{(dio)IJ
5.ػA(ch)
(jng)̎ĵػ(dng)ػd_A(ch)eҪҎ(gu)_ĵػdֵM(jn)r(sh)A(ch)ȵĵػdϵ(sh)(yng)ȡA(ch)ĵػdϵ(sh)(yng)ȡ1.0.(jng)̎ĵػ(dng)ӷ(ni)ԴܛPӕr(sh)Б(yng)(yn)Pӵĵػd
6.ľY(ji)(gu)
1һҪǷԭľԭľĘ(bio)עС^ֱӋ(j)϶͏(qing)ȣ(wn)вͬҪ
2{(dio)ϵ(sh)H{(dio)(qing)߀Џģ
ǰģM}+2A(y)yԇ}+ǰ_P(gun)
ֱ һһۙ̌W(xu)
(sh)(yn)ͨP(gun)ࣺ(dng)ڿԇY(ji)һP(gun)]
(sh)(yn)onࣺ(bo)ԇ(dng)ڲ^ڶM(fi)W(xu)
ǰģM}+3A(y)y}+_P(gun)+ǰc(din)
(sh)(j)С̌W(xu) ˽˶Ʒ(w)
ͨP(gun)ࣺ(dng)ڿԇY(ji)һP(gun)]
Ɵonࣺ(bo)ԇ(dng)ڲ^ڶM(fi)W(xu)
1W(wng)עԴO(sh)̽W(wng)Ʒ(qun)ٽO(sh)̽W(wng)δ(jng)W(wng)ڙ(qun)D(zhun)d朽D(zhun)Nʽʹѽ(jng)W(wng)ڙ(qun)ģ(yng)ڙ(qun)(ni)ʹұעԴO(sh)̽W(wng)`W(wng)䷨؟(z)Ρ
2W(wng)YϞW(wng)ѼD(zhun)dM(bio)ߺͳ̎ڱW(wng)dƷ漰(qun)Ȇ}ՈcW(wng)վ(lin)ϵW(wng)վˌ(sh)_J(rn)M̎
W(wng)D(zhun)d֮ƷζJ(rn)ͬԓƷ^c(din)挍(sh)ýwW(wng)վ(g)D(zhun)dʹãՈc(qun)(lin)ϵؓ(f)؟(z)Ρ
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