某水池计算书(2)

2019-05-26 19:08

动土压力(地震时):

pc=C Kh Pa tgφ=0.5×0.2×[(0~2) ×0.4903×2]×0.364=0~0.2 e) 壁板内力计算(静止水压力+动水压力,即池内满水,池外无水土时):

X方向:Ly/Lx=4.3/15.4=0.28<0.3 按单向悬臂板计算 L=4.3 q = 3.8+(1.95×0.8×0.39) = 4.41 t/m2

不考虑地震:Mmax-x= 4.41×3.82/6 = 10.614 tm 考虑地震:Mmax-x= (10.614+0.25×4.32/3+0.247×4.32/6)×0.8 = 10.333 tm (300厚Φ20@100 )

Y方向:Ly/Lx=4/8.35=0.48 Lx=8.35 (顶自由 三边固定) q = 3.8+(1.95×0.8×0.39) = 4.41 t/m2

不考虑地震:Mmax-x = 0.004×4.41×8.352

= 1.23 tm

考虑地震:Mmax-x = (0.0116×0.0263×8.352+1.23)×0.8

= 1.0 tm (350厚 构造配筋Φ12@200)

不考虑地震:Mmax-y = 0.0038×4.41×8.352

= 1.17 tm

考虑地震:Mmax-y = (0.0034×0.0263×8.352+1.17)×0.8

= 1.78 tm (350厚 构造配筋Φ12@200)

不考虑地震:Mxo =.0.0124×4.41×8.352 = 3.813 tm 考虑地震:Mxo = (0.0322×0.0263×8.352+3.813)×0.8 = 3.1 tm (350厚 Φ12@100)

不考虑地震:Myo =.0.0215×4.41×8.352 = 6.611 tm 考虑地震:Myo = (0.0513×0.0263×8.352+6.611)×0.8 = 5.4 tm (350厚 Φ12@100)

不考虑地震:Mxzo =.0.0126×4.41×8.352 = 3.875 tm 考虑地震:Mxzo = (0.0607×0.0263×8.352+3.875)×0.8 = 3.19 tm (350厚 顶部锁口筋每边 3Φ25) M0x略

(350厚顶部锁口筋同上)

f) 壁板内力计算(静止土压水压力+动土压力,即池内无水,池外有水土时):

X方向:Ly/Lx=4.3/15.4=0.28<0.3 按单向悬臂板计算 L=3.78 (仅用于外壁板)

pc=C Kh Pa tgφ=0.5×0.2×[(0~4.56)]×0.364=0~0.17 考虑地震:Mmax-x=(10.644+0.167×3.782/6)×0.8=8.84 tm (350厚 构造配筋Φ16@100)

由以上计算可知抗震计算时按规范规定将静荷载与地震作用产生的总内力再乘以80%,将小于不考虑地震作用时静荷载单独产生的内力,其余壁板抗震计算略。

(4) 壁板计算:

q1=1×tg[45-(φ/2)] = 0.49 t/m q2= q1+1.98×2×tg2[45-(φ/2)] = 0.49+1.9404= 2.4304 t/m2

q3= q2+ 3.50×1×tg2[45-(φ/2)]+3.5×1 = 2.4304+1.715+3.5 = 7.65 t/m2 内力计算: 跨中:

Ra1=0.49×63×[4-(6/10.78)]/(8×10.782)=0.392 tm M1=Ra1×[a+Ra/(2×q)] =0.392×(4.78+0.392/0.98) =2.0306 tm

Ra2=7.16×63×[1-(6/10.78)/5]/(8×10.782)=1.4784 tm M2=Ra1×[a+(0.6666×6×0.26235)] =1.4784×(4.78+1.05) =8.62 tm

ΣM=2.0306+8.62= 10.651 tm 22壁板厚取:500mm,保护层厚:30mm,混凝土强度等级为:C25, 内侧通长配筋为:Φ14@100 [14.13 tm]或Φ18@150 [13.77 tm]

支座:

M1=(0.49×62)×(2-6/10.78)2/8 = 4.6 tm M2=10.74×(4-1.66976+0.186) = 27.03 tm

壁板厚取:500mm,保护层厚:30mm,混凝土强度等级为:C25, 外侧下支座配筋为:Φ25@100 [30.15 tm]

按悬臂计算:ΣM= 37.881 tm (仅按强度控制为Φ22@100 [38.57 tm])

q1= 4.56 t/m2 q2= 4.56+4.4×1×tg2[45-(φ/2)]+4.4 = 4.56+6.556= 11.116 t/m2 Lx/Ly=3/4.9=0.613

Mx_max = [0.0386+(1/6)×0.0105]×4.56×32 + [0.0197+(1/6)×0.0093]×6.556×32 = 1.656+1.254 = 2.91 tm 壁板厚取:350mm,保护层厚:30mm,混凝土强度等级为:C25, 内侧通长配筋为:Φ12@200 [3.59 tm]

My_max = [0.0116+(1/6)×0.0371]×4.56×32 + [0.0093+(1/6)×0.0197]×6.556×32 = 0.73+0.743 = 1.473 tm 壁板厚取:350mm,保护层厚:30mm,混凝土强度等级为:C25, 内侧通长配筋为:Φ12@200 [3.59 tm] Mox = 0.0814×4.56×32 + 0.0401×6.556×32 = 3.341+2.3661 = 5.71 tm 壁板厚取:350mm,保护层厚:30mm,混凝土强度等级为:C25, 外侧左右支座配筋为:Φ16@150 [6.33 tm]

Moy = 0.0572×4.56×32 + 0.0436×6.556×32 = 2.35+2.6 = 4.95 tm 壁板厚取:350mm,保护层厚:30mm,混凝土强度等级为:C25, 外侧下支座配筋为:Φ12@100 [6.10 tm]

q1= 4.56 t/m2

q2= 4.56+4.4×1×tg2[45-(φ/2)]+4.4 = 4.56+6.556= 11.116 t/m2 Lx/Ly=3/4.9=0.613

Mx_max = [0.0498+(1/6)×0.0169]×4.56×32 + [0.0335+(1/6)×0.0169]×6.556×32 = 2.16+2.143 = 4.303 tm 壁板厚取:350mm,保护层厚:30mm,混凝土强度等级为:C25, 内侧通长配筋为:Φ16@200 [5.14 tm]或Φ14@150 [5.42 tm] My_max = [0.0183+(1/6)×0.0465]×4.56×32 + [0.0173+(1/6)×0.0295]×6.556×32 = 1.07+1.311 = 2.381 tm 壁板厚取:350mm,保护层厚:30mm,混凝土强度等级为:C25, 内侧通长配筋为:Φ12@200 [3.59 tm] Mxo = 0.1095×4.56×32 + 0.0417×6.556×32 = 4.5+2.461 = 6.961 tm 壁板厚取:350mm,保护层厚:30mm,混凝土强度等级为:C25, 外侧左右支座配筋为:Φ14@100 [7.52 tm]或Φ18@150 [7.45 tm] Myo = 0.0782×4.56×32 + 0.0764×6.556×32 = 3.21+4.51 = 7.72 tm 壁板厚取:350mm,保护层厚:30mm,混凝土强度等级为:C25, 外侧下支座配筋为:Φ16@100 [9.31 tm]


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