02結(jié)構(gòu)板式樓梯計(jì)算書(shū)

1、板式樓梯計(jì)算項(xiàng)目名設(shè) 計(jì) 對(duì)一、構(gòu)二、示意圖=2860踏步數(shù): H板式樓梯計(jì)算項(xiàng)目名設(shè) 計(jì) 對(duì)一、構(gòu)二、示意圖=2860踏步數(shù): H=2000t120b1 上上=可變荷載：q欄桿荷載：qf 0.20kN/mG = 面層荷載Q = 準(zhǔn)= 2ft = 1.43 2ftk = 2.01 =14.303Rc=25.0=3.00*104 =360 Es =2.00*10 保護(hù)層厚度：c15 支座負(fù)筋系數(shù)： = 0.25四、計(jì)算過(guò)1.踏步高度：h0.1667m踏步寬度：b0.2600=25.00計(jì)算跨度：L0 L1b1/2b2.860.20/20.262.70支座負(fù)筋系數(shù)： = 0.25四、計(jì)算過(guò)1.踏步

2、高度：h0.1667m踏步寬度：b0.2600=25.00計(jì)算跨度：L0 L1b1/2b2.860.20/20.262.70m梯段板與水平方向夾角余弦值：cos = 0.8422.B1m(1)面層抹灰=(11*0.17/0.26)*1.70=2.79Rc*B*(t/cosh/2)=25*1*(0.12/0.8420.17/2)=5.65=20*1*0.02/0.842=0.48恒荷標(biāo)準(zhǔn)值：Pk gkmgktgksqf 2.795.650.480.209.11=1.35*9.111.40*0.7*1*3.50=15.73活荷控制：Pn(LG*PkQ*B*q1.20*9.111.40*1*3.50

3、荷載設(shè)計(jì)值= ,=15.83 3.Rl 21.38=21.38最大彎矩截面距左支座的距離: Lmax = 1.35 m x1.35m2Mmax =Rl*LmaxPn*x= =14.43相對(duì)受壓區(qū)高度：配筋率：=448.55=0.25*448.55=112.142As：448.55實(shí)配面積： 785 mm2采用方案：10150實(shí)配面積： 524 mm2采用方案： 10150實(shí)配面積： 524 mm2六、跨中撓度計(jì)25 =2k)*L0+(9.11+11.4922.=2qk)*L0+(9.11+=2k)*L0+(9.11+11.4922.=2qk)*L0+(9.11+9.898=177.042152

4、.4762Ate 0.5*b*h0.5*1000*120=60000=k=1.1-=1.1-= q=1.1-= E = ES/EC= = 5)= 6)=7)2Bsk =Es*As*h0/1.15*k+0.2+6*E*/(1+= 35 =12.356*102 2Es*As*h0/1.15*q+0.2+6*E*/(1+= =13.593*102 =12.356*102 2Es*As*h0/1.15*q+0.2+6*E*/(1+= =13.593*102 2)Bk=11.492/(9.898*(2.0-=6.638*102 Bq= =6.797*102 B= = =6.638*102 4qk)*L0=11.3226.f0=L0/200=2.70/200=13.5001.Mq =2(qgk + k)*L0 (9.11+9.8983.C=152.4762Ate 0.5*b*h0.5*