2、荷载:
永久荷载标准值:g = 4.10 kN/M2 可变荷载标准值:q = 2.00 kN/M2
计算跨度 Lx = 5400 mm ;计算跨度 Ly = 4225 mm 板厚 H = 120 mm;砼强度等级:C30;钢筋强度等级:HRB400 3、计算方法:弹性算法。 4、泊松比:μ=1/5. 二、计算结果:
平行于 Lx 方向的跨中弯矩 Mx
Mx=(0.01393+0.02794/5)×(1.20×4.1+1.40×1.0)×4.22= 2.20kN·M
考虑活载不利布置跨中X向应增加的弯矩:
Mxa =(0.03283+0.05809/5)×(1.4× 1.0)× 4.22 = 1.11kN·M Mx= 2.20 + 1.11 = 3.31kN·M Asx= 257.92mm2,实配
8@180 (As = 279.mm2)
ρmin = 0.215% , ρ = 0.233%
平行于 Ly 方向的跨中弯矩 My
My =(0.02794+0.01393/5)×(1.20× 4.1+1.40× 1.0)× 4.22= 3.47kN·M
考虑活载不利布置跨中Y向应增加的弯矩:
Mya =(0.05809+0.03283/5)×(1.4× 1.0)× 4.22 = 1.62kN·M My= 3.47 + 1.62 = 5.08kN·M Asy= 257.92mm2,实配
8@200 (As = 279.mm2)
ρmin = 0.215% , ρ = 0.233%
沿 Lx 方向的支座弯矩 Mx'
Mx' =0.05610×(1.20× 4.1+1.40× 2.0)× 4.22 = 7.73kN·M Asx'= 265.06mm2,实配8@200 (As = 279.mm2) ρmin = 0.215% , ρ = 0.233%
沿 Ly 方向的支座弯矩 My'
My' =0.06765×(1.20× 4.1+1.40× 2.0)× 4.22 = 9.32kN·M Asy'= 321.57mm2,实配
8@150 (As = 335.mm2)
ρmin = 0.215% , ρ = 0.279%
② 板B
一、 基本资料:
1、边界条件(左端/下端/右端/上端):固定/铰支/铰支/固定/固定/ 2、荷载:
永久荷载标准值:g = 4.10 kN/M2
可变荷载标准值:q = 2.00 kN/M2
计算跨度 Lx = 5400 mm ;计算跨度 Ly = 4225 mm 板厚 H = 120 mm;砼强度等级:C30;钢筋强度等级:HRB400 3、计算方法:弹性算法。 4、泊松比:μ=1/5. 二、计算结果:
平行于 Lx 方向的跨中弯矩 Mx
Mx =(0.02206+0.03255/5)×(1.20× 4.1+1.40× 1.0)× 4.22 = 3.22kN·M 考虑活载不利布置跨中X向应增加的弯矩:
Mxa =(0.03283+0.05809/5)×(1.4× 1.0)× 4.22 = 1.11kN·M Mx= 3.22 + 1.11 = 4.33kN·M Asx= 257.92mm2,实配
8@200 (As = 279.mm2)
ρmin = 0.215% , ρ = 0.233%
平行于 Ly 方向的跨中弯矩 My
My =(0.03255+0.02206/5)×(1.20× 4.1+1.40× 1.0)× 4.22= 4.17kN·M 考虑活载不利布置跨中Y向应增加的弯矩:
Mya =(0.05809+0.03283/5)×(1.4× 1.0)× 4.22 = 1.62kN·M My= 4.17 + 1.62 = 5.79kN·M Asy= 257.92mm2,实配
8@200 (As = 279.mm2)
ρmin = 0.215% , ρ = 0.233%
沿 Lx 方向的支座弯矩 Mx'
Mx' =0.07144×(1.20× 4.1+1.40× 2.0)× 4.22 = 9.85kN·M
Asx'= 340.29mm2,实配8@200 (As = 279.mm2) ρmin = 0.215% , ρ = 0.233%
沿 Ly 方向的支座弯矩 My'
My' =0.07939×(1.20× 4.1+1.40× 2.0)× 4.22 = 10.94kN·M Asy'= 379.79mm2,实配
8@150 (As = 335mm2)
ρmin = 0.215% , ρ = 0.279% ③ 板D
一、 基本资料:
1、边界条件(左端/下端/右端/上端):铰支/铰支/固定/固定/ 2、荷载:
永久荷载标准值:g = 4.10 kN/M2 可变荷载标准值:q = 2.00 kN/M2
计算跨度 Lx = 5400 mm ;计算跨度 Ly = 4225 mm 板厚 H = 120 mm;砼强度等级:C30;钢筋强度等级:HRB400
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