剪力墻構(gòu)造要求

剪力墻構(gòu)造要求,,,,,,,,,,

,項(xiàng)目,,,,抗震設(shè)計(jì),,,,非抗震設(shè)計(jì),備注

,,,,,一級,二級,三級,四級,,

一般剪力墻,混凝土強(qiáng)度,,,,≥C20,,,,≥C20,筒體、短肢墻≥C25

,最小墻厚,,底部加強(qiáng)區(qū),,H/16和200mm,,H/20和160mm,,H/25和160mm,1、(一、二級)一字型剪力墻底部≥H/12，其他部位≥H/15和180mm。2、電梯井、管道井≥160mm

,,,非底部加強(qiáng)區(qū),,H/20和160mm,,H/25和160mm,,,

,截面要求,,,,當(dāng)λ>2.5時V≤0.2fcbho/γRE，當(dāng)λ≤2.5時V≤0.15fcbho/γRE,,,,V≤0.25fcbho,

,底部加強(qiáng)區(qū)軸壓比,,,,"0.4(9度),0.5",0.6,0.7*,0.8*,－－,三、四級為推理結(jié)果，非規(guī)范要求。

,約束邊緣,沿墻肢方向長度lc,,暗柱,"0.25hw(9度),0.20hw",0.20hw,－－,－－,,lc為表中數(shù)值、1.5bw、450mm、翼墻或端柱截面高度+300mm的較大值

,,,,翼墻、端柱,"0.20hw(9度),0.15hw",0.15hw,－－,－－,,

,,體積配箍率,配箍特征值λv,,0.20,0.20,0.20,0.20,0.20,ρv≥λv.fc/fyv

,,,混凝土等級,,C25,C30,C35,C40,C45,

,,,混凝土強(qiáng)度,,11.9,14.3,16.7,19.1,21.1,

,,,HPB235,,1.13%,1.36%,1.59%,1.82%,2.01%,

,,,HRB335,HRB335,0.79%,0.95%,1.11%,1.27%,1.41%,

,,,HRB400,HRB335,0.66%,0.79%,0.93%,1.06%,1.17%,

,,底部加強(qiáng),最小縱筋,,1.2%和6ф16,1.0%和6ф14,－－,－－,1、端部4ф12，拉筋ф6@250,

,,,箍筋最小直徑,,8mm,8mm,－－,－－,,

,,,箍筋最大間距,,100mm,150mm,－－,－－,,

,,其他部位,最小縱筋,,－－,－－,－－,－－,,

,,,箍筋最小直徑,,－－,－－,－－,－－,,

,,,箍筋最大間距,,－－,－－,－－,－－,,

,構(gòu)造邊緣,配箍特征值λv,,,－－,－－,－－,－－,,ρv≥λv.fc/fyv

,,底部加強(qiáng),最小縱筋,,－－,－－,0.5%和4ф12,0.5%和4ф12,,

,,,箍筋最小直徑,,－－,－－,6mm,6mm,,

,,,箍筋最大間距,,－－,－－,150mm,200mm,,

,,其他部位,最小縱筋,,0.8%和6ф14,0.6%和6ф12,0.4%和4ф12,0.4%和4ф12,,

,,,箍筋最小直徑,,8mm,8mm,6mm,6mm,,

,,,箍筋最大間距,,150mm,200mm,200mm,250mm,,

,分布筋,最小配筋率,,,0.25%,,,0.2%,0.2%,"1、頂層和長矩形平面的樓梯間、電梯間、端開間縱向剪力墻、端山墻≥0.25%,s≤200mm。2、bw≤400雙排配筋,400<bw≤700三排配筋。3、拉筋≥ф6,s≤600mm"

,,最小直徑,,,8mm,,,,8mm,

,,最大間距,,,300mm,,,,300mm,

框支剪力墻,構(gòu)造邊緣,體積配箍率,配箍特征值λv,,0.10,0.10,0.10,0.10,0.10,ρv≥λv.fc/fyv

,,,混凝土等級,,C25,C30,C35,C40,C45,

,,,HPB235,,0.57%,0.68%,0.80%,0.91%,1.00%,

,,,HRB335,HRB335,0.40%,0.48%,0.56%,0.64%,0.70%,

,,,HRB400,HRB335,0.33%,0.40%,0.46%,0.53%,0.59%,

,,底部加強(qiáng),最小縱筋,,1.2%和6ф16,1.0%和6ф14,0.5%和4ф12,0.5%和4ф12,,"1、底部3層及以上，落地剪力墻抗震等級提高一級。2.落地剪力墻間距：底部1～2層L≤24m和1.5B,底部3層及以上L≤20m和2B"

,,,箍筋最小直徑,,8mm,8mm,6mm,6mm,,

,,,箍筋最大間距,,100mm,150mm,150mm,200mm,,

,,其他部位,最小縱筋,,1.0%和6ф14,0.8%和6ф12,0.5%和4ф12,0.5%和4ф12,,

,,,箍筋最小直徑,,8mm,8mm,6mm,6mm,,

,,,箍筋最大間距,,150mm,200mm,200mm,250mm,,

,分布筋,最小配筋率,,底部加強(qiáng),0.30%,,,,0.25%,"框支剪力墻結(jié)構(gòu),抗震設(shè)計(jì)應(yīng)設(shè)置約束邊緣構(gòu)件(即使三級)"

,,,,其他部位,0.25%,,,0.2%,0.2%,

,,最小直徑,,,8mm,,,,8mm,

,,最大間距,,,200mm,,,,300mm,

短肢剪力墻,最小墻厚,,,,≥200mm,,,,≥200mm,

,軸壓比,,,一般短肢墻,0.5,0.6,0.7,－－,－－,

,,,,一字短肢墻,0.4,0.5,0.6,－－,－－,

,全截面配筋率,,,底部加強(qiáng),1.2%,,,－－,－－,短肢剪力墻抗震等級提高一級

,,,,其他部位,1.0%,,,－－,－－,

弱短肢墻,軸壓比,,,一般短肢墻,0.4,0.5,0.6,－－,－－,3≤hw/bw<5

,,,,一字短肢墻,0.3,0.4,0.5,－－,