L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+1.14-0.25+(0.1-0.02*2)×2 =(0.25-0.025+15*0.01)+1.14-0.25+(0.1-0.02*2)*2 =1.385m
根数:n=(3.6-0.25-0.2)/0.18+1=19根 重量:1.385*19*0.617=16.236kg 中间支座负筋B 8@100:
L1=伸入左跨内长度+中间支座宽度+伸入右跨内长度+弯折长度×2 =1.1+1.8+0.125+(板厚-保护层厚×2)×2 =1.03+0.15+1.2+(0.1-0.02*2)*2 =2.5m
根数:n=(3.9-0.25-0.2)/0.1+1=36根 L2=1.03*2+1.8+(0.1-0.02*2)*2 =3.98m
根数:n=(3.6-0.25-0.2)/0.1+1=33根 重量:(2.5*36+3.98*33)*0.395=87.429kg (3)负筋分布筋B 6@250
L1=y向板跨净长-y向负筋在跨内长度+搭接长度 =3.9-0.25-(1.14-0.25)-(1.03-0.125)+2*0.15 =2.155m
根数:n=(1.03-0.125)/0.25=4根 L2= L1=2.155m
根数:n=(1.1-0.125)/0.25=4根
L3= x向板跨净长-x向负筋在跨内长度+搭接长度 =3.6-0.25-(1.1-0.125)-(1.03-0.125)+2*0.15 =1.77m
根数:n=(1.14-0.25)/0.25=4根 L4= L3=1.77m
根数:(1.03-0.125)/0.25=4根 重量:(2.115*4*2+1.77*4*2)*0.222=6.90kg ⑦边轴雨棚:
(1)板底钢筋:YB 6@125
L=伸入左支座长度+净跨长+伸入右支座长度+末端弯钩增长值 = Max(5d,250/2)+1.2-0.25+Max(5d,250/2)+6.25d×2 =0.25+1.2-0.25+0.075=1.275m
根数:n=(3.9-0.25-0.125)/0.125+1=29根 板底钢筋:XB6@200
L=伸入左支座长度+净跨长+伸入右支座长度+末端弯钩增长值 = Max(5d,250/2)+3.9-0.25+Max(5d,250/2)+6.25d×2 =0.25+3.9-0.25+0.075
=3.975m
根数:n=(1.2-0.2)/0.2+1=6根 重量:(1.275*29+3.975*6)*0.222=13.503kg (2)支座负筋
端支座负筋B 8@200
L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+0.54-0.25+(0.1-0.02*2)×2 =(0.25-0.025+15*0.008)+0.54-0.25+(0.1-0.02*2)×2 =0.755m
根数:n=(1.2-0.125-0.2)/0.2+1=5根 中间支座负筋B 8@200:
L1=伸入左跨内长度+中间支座宽度+伸入右跨内长度+弯折长度×2 =0.43+0.58+(0.1-0.02*2)*2 =1.13m
根数:n=(1.2-0.125-0.2)/0.2+1=5根 重量:(0.755*5+1.13*5)*0.395=3.723kg (3)负筋分布筋(此处可不布置分布筋) ⑤-⑥和C-D轴:
(1)板底钢筋:YB8@200
L=伸入左支座长度+净跨长+伸入右支座长度+末端弯钩增长值 = Max(5d,250/2)+1.8-0.25+Max(5d,250/2)+6.25d×2 =0.25+1.8-0.25+0.1=1.9m
根数:n=(4.5-0.25-0.2)/0.2+1=21根 板底钢筋:XB8@200
L=伸入左支座长度+净跨长+伸入右支座长度+末端弯钩增长值 = Max(5d,250/2)+4.5-0.25+Max(5d,250/2)+6.25d×2 =0.25+4.5-0.25+0.1=4.6m
根数:n=(1.8-0.25-0.2)/0.2+1=8根 重量:(1.9*21+4.6*8)*0.395=30.297kg (2)支座负筋
中间支座负筋B 8@200:
L1=伸入左跨内长度+中间支座宽度+伸入右跨内长度+弯折长度×2 =0.58*2+(0.1-0.02*2)*2 =1.28m
根数:n=(1.8-0.25-0.2)/0.2+1=8根 L2= L1=1.28m,根数n=8根 重量:1.28*16*0.395=8.090kg
(3)此处可不布置支座负筋分布筋 ⑥-⑦和C-D轴:
(1)板底钢筋:YB8@200
L=伸入左支座长度+净跨长+伸入右支座长度+末端弯钩增长值 = Max(5d,250/2)+1.8-0.25+Max(5d,250/2)+6.25d×2 =0.25+1.8-0.25+0.1=1.9m
根数:n=(3.6-0.25-0.2)/0.2+1=17根 板底钢筋:XB8@200
L=伸入左支座长度+净跨长+伸入右支座长度+末端弯钩增长值 = Max(5d,250/2)+3.6-0.25+Max(5d,250/2)+6.25d×2 =0.25+3.6-0.25+0.1=3.7m
根数:n=(1.8-0.25-0.2)/0.2+1=8根 重量:(1.9*17+3.7*8)*0.395=24.451kg (2)支座负筋
中间支座负筋B 8@200:
L1=伸入左跨内长度+中间支座宽度+伸入右跨内长度+弯折长度×2 =0.58*2+(0.1-0.02*2)*2 =1.28m
根数:n=(1.8-0.25-0.2)/0.2+1=8根 重量:1.28*8*0.395=4.045kg
(3)同理,此处可不布置支座负筋分布筋 ⑦-⑧和C-D轴:
其中,板底钢筋与⑥-⑦和C-D轴相同。 右边梁中间支座负筋B 8@200:
L1=伸入左跨内长度+中间支座宽度+伸入右跨内长度+弯折长度×2 =0.58*2+(0.1-0.02*2)*2 =1.28m
根数:n=(1.8-0.25-0.2)/0.2+1=8根 重量:1.28*8*0.395=4.045kg 端支座负筋B 8@100:
L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+1.8-0.125+1.03+(0.1-0.02*2)*2 =(0.25-0.025+15*0.008)+1.8-0.125+1.03+(0.1-0.02*2)*2 =3.17m
根数:n=(3.6-0.25-0.2)/0.1+1=33根 重量:3.17*33*0.395=41.32kg 此处可不布置支座负筋分布筋 ⑧-⑨和C-D轴:
其中,板底钢筋及端支座负筋(y向)与⑦-⑧和C-D轴相同。 X向端支座负筋B 8@200:
L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+0.69-0.25+(0.1-0.02*2)*2 =(0.25-0.025+15*0.008)+0.69-0.25+(0.1-0.02*2)*2 =0.905m
根数:n=(1.8-0.25-0.2)/0.2+1=8根 重量:0.905*8*0.395=2.860kg
由于y向分布筋的作用,可不布置支座负筋分布筋 ⑥-⑦和D-E轴:
(1)板底钢筋:YB8@200
L=伸入左支座长度+净跨长+伸入右支座长度+末端弯钩增长值 = Max(5d,250/2)+5.1-0.25+Max(5d,250/2)+6.25d×2 =0.25+5.1-0.25+0.1=5.2m
根数:n=(3.6-0.25-0.2)/0.2+1=17根 板底钢筋:XB8@150
L=伸入左支座长度+净跨长+伸入右支座长度+末端弯钩增长值 = Max(5d,250/2)+3.6-0.25+Max(5d,250/2)+6.25d×2 =0.25+3.6-0.25+0.1=3.7m
根数:n=(5.1-0.25-0.15)/0.15+1=32根 重量:(5.2*17+3.7*32)*0.395=81.686kg 支座负筋:
端支座负筋B 12@180
L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+1.14-0.25+(0.1-0.02*2)×2 =(0.25-0.025+15*0.012)+1.14-0.25+(0.1-0.02*2)*2 =1.415m
根数:n=(5.1-0.25-0.15)/0.18+1=27根 重量:1.415*27*0.888=33.926kg 端支座负筋B 8@100
L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+1.14-0.25+(0.1-0.02*2)×2 =(0.25-0.025+15*0.008)+1.14-0.25+(0.1-0.02*2)*2 =1.355m
根数:n=(3.6-0.25-0.2)/0.1+1=33根 重量:1.355*33*0.395=17.662kg 中间支座负筋B 12@180:
L1=伸入左跨内长度+中间支座宽度+伸入右跨内长度+弯折长度×2 =1.03*2+(板厚-保护层厚×2)×2 =1.03*2+(0.1-0.02*2)*2 =2.18m
根数:n=(5.1-0.25-0.15)/0.18+1=27根 重量:2.18*27*0.888=52.268kg (3)负筋分布筋B 6@250
L1=y向板跨净长-y向负筋在跨内长度+搭接长度 =5.1-0.25-(1.14-0.25)-(1.03-0.125)+2*0.15 =3.355m
根数n=(1.03-0.125)/0.25=4根 L2= L1=3.355m
根数n=(1.14-0.25)/0.25=4根
L3=x向板跨净长-x向负筋在跨内长度+搭接长度 =3.6-0.25-(1.14-0.25)-(1.03-0.125)+2*0.15 =1.885m
L4= L3=1.885,根数各4根,共8根 重量:(3.355*8+1.885*8)*0.222=9.306kg ⑦-⑧和D-E:
(1)板底钢筋与中间支座钢筋计算与⑥-⑦和D-E轴相同。 (2)端支座负筋B 8@100
L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+1.14-0.25+(0.1-0.02*2)×2 =(0.25-0.025+15*0.008)+1.14-0.25+(0.1-0.02*2)*2 =1.355m
根数:n=(3.6-0.25-0.2)/0.1+1=33根 重量:1.355*33*0.395=17.662kg
(3)负筋分布筋B 6@250计算与⑥-⑦和D-E轴相同。 ⑧-⑨和D-E轴:
(1)板底钢筋计算与⑥-⑦和D-E轴相同。 (2)端支座负筋B 8@100
L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+1.09-0.25+(0.1-0.02*2)×2 =(0.25-0.025+15*0.008)+1.09-0.25+(0.1-0.02*2)*2 =1.305m
根数:n=(3.6-0.25-0.2)/0.1+1=33根 重量:1.305*33*0.395=17.011kg 端支座负筋B 12@180
L=伸入支座长度+伸入跨内长度+弯折长度×2
=(支座宽-保护层+15d)+1.09-0.25+(0.1-0.02*2)×2 = =(0.25-0.025+15*0.008)+1.09-0.25+(0.1-0.02*2)*2 =1.305m
根数:n=(5.1-0.25-0.15)/0.18+1=27根