1.Y(ji)(gu)
1֧ͬrоdͼкdӛ֧̎ır75%Ӌ㿹drܕúǂʽ
2ӋӋӰϵ(sh)rҪY(ji)(gu)IJǻϽY(ji)(gu)߀䓽Y(ji)(gu)ȲͬõĹʽҲͬ
3ӋÃӋӋȣɻ
4SСƫ(gu)У䓽O(sh)Ӌֵ300MPa
5Ť(gu)һŤ(gu)Ťdϵ(sh)Ɨlעȡֵ
6{(dio)ϵ(sh)@һæ
7dMϕrdY(ji)(gu)ijdrϵ(sh)ȡ1.0dY(ji)(gu)ijdrϵ(sh)ȡ0
8Ӌwe乿ʕrC35C35Ӌ
9}ĿoO(sh)Ӌֵ߀˜ֵ
10ӋF(xin)䓽S܉ƫ܉(gu)rL߅ֱС300mmtлďO(sh)Ӌֵ(yng)ϵ(sh)0.8(gu)|(zh)ͣSߴȣ_бCrɲܴơ
11Ę(gu)䓽ÿ(c)v(gu)䓽²䓽䓽Ľe(yng)Сڸebhw0.1%g˴200mmעÿ(c)e
12Sdr3ϕrAc(yng)۳䓽e
13ܵȽY(ji)(gu)ʩzd
14]_܇ˮƽdrοSÿżcMϵĵ܇_(sh)(yng)2_
15Ӌω0rֲڶB^(q)ֱӴLACD^(q)(yng)?sh)صĻLքe1.380.620.32
16ֱӳܵ܇ĽY(ji)(gu)(gu)Ӌdƣѕr(yng)]܇dĄϵ(sh)
17Ӌұۘ(gu)ē϶ֵrӋȰHұLȵ2ȡ
18wΌӷż¶܇͗ӋLе܇żżܷӋLȣHmHu/Hl≥0.3rHu/Hl<0.3rӋL˲2.5Hu
19ĸ߶ȣν棬ȡЧ߶TνȡЧ߶Ȝpȥ߶ȣIνȡTͽʕrԻܶ
20䓽^LȵȼC40rC40ȡֵϵ(sh)
2.䓽Y(ji)(gu)
1ֱӳ܄dĽY(ji)(gu)܇㏊Ⱥͷ(wn)r]ϵ(sh)
2Ӌ㘋(gu)LȕrҪע⸹ijƽ(ni)߀Ǵֱƽ
3ȵۜpϵ(sh)ڏlrrӛ
4бƽĸUӋLϵ(sh)0.90.8
5pLӋrӛσɱĺ_ߴe߀ҪעǷM㘋(gu)Ҫ
6Lۜp˨BLȳ^15d060d0rӛóۜpϵ(sh)
7䓽Y(ji)(gu)S܉(gu)ķ(wn)ϵ(sh)ڲrע̖(ni)fyҪֱӾ͎235Mȥ
3.wY(ji)(gu)
1sgࣩӋ߶ȵxȡҪeСģ׳e
2ĿAкdֻ]dҪֵؘҪѻdҲMȥˡ
3ע⏊ȵ{(dio)ϵ(sh)we<0.3w<0.2
4wֲϵ(sh)γ״uwKw(yng)γ≤1.5δKwγ≤1.0
5XpͨpƉҪ
6wLcL֮˴1.2ϟowr˴2
7W(wng)uwеwe(yng)С0.1%(yng)1%
4.ߌcY(ji)(gu)
1SֵxȡһҪС֣עጣ֣׳e
2ӷӋrǰ0.9Ҫ0.9.
3ڽY(ji)(gu)(ni)cλӋF(xin)bwʽĄȿɿ]ϵ(sh)ɸ(j)rȡ1.32.0.gǰ(yng)2߅ܳ1.5.
4cMϕrעLdǷcMϡ
5ײӋÕrY(ji)(gu)䓽Y(ji)(gu)Եϵ(sh)ͬ0.85ߌ䓽Y(ji)(gu)0.8Ҏ(gu)䓽Y(ji)(gu)0.85.
6ӋˮƽӰϵ(sh)rҪ]T15TgP(gun)ϵ
7Ҏ(gu)еĿȼҪ巿A߀B߶ȣȻٿe֮ҪһһЄeһE
8O(sh)Ӌr֫Ŀȼ(yng)һá
9ֿ֧Y(ji)(gu)D(zhun)QӵλO(sh)3Ӽ3ϕr֧ײӏλĿȼ˰Ҏ(gu)һѽ(jng)һrɲ
10ڿ-Y(ji)(gu)Y(ji)(gu)ע⮔퉦LС3߶߅LС2rҕo퉦o
11һ֧ɵa(chn)S(yng)քeϵ(sh)1.51.2.עǵa(chn)S{(dio)IJ
5.ػA(ch)
(jng)̎ĵػػd_A(ch)eҪҎ(gu)_ĵػdֵMrA(ch)ȵĵػdϵ(sh)(yng)ȡ㣻A(ch)ĵػdϵ(sh)(yng)ȡ1.0.(jng)̎ĵػӷ(ni)ԴܛPӕrБ(yng)Pӵĵػd
6.ľY(ji)(gu)
1һҪǷԭľԭľĘעС^ֱӋ϶ȣ͏(wn)вͬҪ
2{(dio)ϵ(sh)H{(dio)߀Џģ
1W(wng)עԴO(sh)̽W(wng)Ʒ(qun)ٽO(sh)̽W(wng)δ(jng)W(wng)ڙ(qun)D(zhun)d朽D(zhun)Nʽʹãѽ(jng)W(wng)ڙ(qun)(yng)ڙ(qun)(ni)ʹұעԴO(sh)̽W(wng)`W(wng)䷨؟
2W(wng)YϞW(wng)ѼD(zhun)dMߺͳ̎ڱW(wng)dƷ漰(qun)Ȇ}ՈcW(wng)վ(lin)ϵW(wng)վˌ_JM̎
W(wng)D(zhun)d֮ƷζJͬԓƷ^c挍ýwW(wng)վD(zhun)dʹՈc(qun)(lin)ϵؓ؟Ρ
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