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毕业设计结构计算书 - 图文

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图9 第七层KL5所受荷载示意图

三、第六层框架梁KL5(2)A-D轴间的荷载

46

图10 第六层(KL5)导荷示意图

第六层板传荷载(见图8):

表12

板编号 板面载 (KN/㎡) l01?l02 (㎡) a p' (KN/m) 梯形荷载 (KN/m) 三角形荷载 (KN/m) 恒载 B1 B10 活载 3.49 3.9×6.3 2.0 0.310 3.49×3.9/2 =6.81 2.0×3.9/2 =3.9 6.81?(1?0.310?2?0.310) =5.71 236.81?58=4.26 3.9?(1?0.3102?2?0.3103) =3.27 3.9?5 85 8=2.44 B2 B11 恒载 3.55 2.6×3.9 0.333 3.55×2.6/2 =3.97 3.97?(1?0.3332?2?0.3333)=3.24 3.97?=2.48 47

2.5×2.6/2 =3.25 3.25?(1?0.3332?2?0.3333)=2.65 活载 2.5 3.25?5 85 8=2.03 恒载 B3 活载 2.0 3.49 3.9×6.6 0.295 3.49×3.9/2 =6.81 6.81?(1?0.2952?2?0.2953) =5.80 6.81?=4.26 2.0×3.9/2 =3.9 3.9?(1?0.2952?2?0.2953) =3.32 3.9?5 8=2.44 恒载 B4 B12 活载 2 3.49 3.9×4.2 0.464 2.0×3.9/2 =3.9 3.49×3.9/2 =6.81 6.81?(1?0.4642?2?0.4643) =4.56 6.81?5 8=4.26 3.9?3.9?(1?0.4642?2?0.4643)=2.61 5 85 8=3.66 恒载 B5 活载 10.66 1.8×2.4 2.0 0.375 10.66×1.8/2 =9.60 9.60?(1?0.3752?2?0.3753) =7.41 9.60?=6.00 32.0×1.8/2 =1.8 1.8?(1?0.375?2?0.375)=1.39 21.8?5 85 8=1.13 恒载 B6 活载 3.49 1.6×2.4 2.0 0.333 3.49×1.8/2 =2.80 2.80?(1?0.3332?2?0.3333) =2.28 2.28?=1.75 1.6?2.0×1.6/2 =1.6 1.6?(1?0.3332?2?0.3333)=1.30 5 85 8=0.38 恒载 B7 活载 10.66 1.8×2.3 2.0 0.391 10.66×1.8/2 =9.60 9.60?(1?0.3912?2?0.3913) =7.98 9.60?=6.00 1.8?2.0×1.8/2 =1.8 1.8?(1?0.3912?2?0.3913)=1.50 5 8=1.13 恒载 B8 活载 10.66 0.6×1.1 2.0 0.273 10.66×0.6/2 =3.20 3.20?(1?0.2732?2?0.2733) =2.77 3.20?5 8=2.00 0.6?2.0×0.6/2 =0.6 0.6?(1?0.2732?2?0.2733)=0.52 5 85 8=0.38 恒载 B9 活载 3.49 2.1×2.4 2.0 0.438 3.49×2.1/2 =3.66 2.0×2.1/2 =2.1 3.66?(1?0.4382?2?0.4383) =2.56 3.66?=2.29 2.1?2.1?(1?0.4382?2?0.4383)=1.47 5 8 48

=1.31 说明:1.表格中在板的“l01?l02”一栏中未注明的都为双向板

2.A交1/3-4轴间的横向板长为3.6m ,与A交3-1/3,4-1/4,1/4-5的3.9m同方向板长相差不多,且竖向板长相同,所以计算板面传递的荷载时A交1/3-4轴间的板面近似取与3.9m板一样。

荷载传导方式如以上两层,计算过程如下:

1/3交B-C轴KL4(3)两端的支座反力:

1gA?gB?(2.48?2?2.43)?2.6=9.61 KN

21 qA?qB??2.03?2?2.6=5.28 KN

21/3交 C-D轴KL4(3)两端的支座反力:

1gA?gB?(5.71?2?2.43)?6.3=43.63 KN

21 qA?qB??3.27?2?6.3=20.6 KN

2La两端的支座反力:

gA?gB?2.77?1.1?7.66?2.3?1.74?2.3?0.147?2?25.5

1.122.32?MA?2.77?2?(7.66?1.74)?2?0.417?(1.1?1.6)?gB2.3?0

得gA=13.47 KN gB=12.03 KN

qA?qB?0.52?1.1?1.44?2.3?3.88

1.122.32?MA?0.52?2?1.44?2?0.417?qB2.3?0

得qA=2.08 KN qB=1.8 KN La传至KL5(2)的集中荷载: G6恒=12.03 KN G6活=1.8 KN 1/4交A-BKL4(3)两端的支座反力:

gA?gB?2.28?2.4?2?0.6?7.98?1.8?(2.08?13.5)?2.4?13.47?71.90

2.420.622.42?MA?2.28?2?2?2?7.98?1.8?1.5?(2.08?13.5)?2?13.47?0.6?gB2.4?0得gA=37.97 KN gB=33.93 KN

qA?qB?1.3?2.4?0.38?0.6?1.5?1.8?2.08?8.13

2.420.62?MA?1.3?2?0.38?2?1.5?1.8?1.5?2.08?0.6?2.4qB?0

得qA=4.33 KN qB=3.8 KN

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Lb两端的支座反力:

gA?gB?1.75?1.6?7.66?2.3?16.5?2.3?(4.56?2.08)?3.9?33.93?118.20

1.623.92?MA?1.75?2?7.66?2.3?2.75?16.5?2.3?2.75?(4.56?2.08)?2?33.93?1.6?3.9gB?0

得gA=51.58 KN gB=66.62 KN

qA?qB?0.38?1.6?1.44?2.3?2.61?3.9?3.8?17.90

1.623.92?MA?0.38?2?1.44?2.3?2.75?2.61?2?3.8?1.6?3.9qB?0

得qA=8.79 KN qB=9.11 KN Lb传至KL5(2)的集中荷载: G4恒=8.79 KN G4活=9.11 KN

1/4交 A-B轴KL4(3)两端的支座反力:

?gA?gB?2.28?2.4?4.26?4.2?5.8?6.6?(2.43?15)?6.6?37.97?214.65??2.424.226.62?4.26??(2.43?15?5.8)??37.97?2.4?6.6gB?0 ??MA?2.28??222得gA=117.5 KN gB=97.15 KN

?qA?qB?1.3?2.4?2.44?4.2?3.32?6.6?4.33?39.61??2.424.226.62?2.44??3.32??4.33?2.4?6.6qB?0 ??MA?1.3??222得qA=23.25 KN qB=16.36 KN

A交3-4轴KL4(3)传至KL5(2)的集中荷载:

?gA?gB?(4.26?4.56?9.8?7.57)?3.9?4.16?7.8?97.15?231.74??3.92?(4.56?7.57)?3.9?5.85?97.15?3.9?7.8gB?0 ??MA?(4.26?9.8)??2得gA=133.98 KN gB=97.76 KN

?qA?qB?(4.26?2.61)?3.9?16.36?43.15? ?3.92M?4.26??2.61?3.9?5.85?16.36?3.9?7.8q?0??AB?2得qA=23.18 KN qB=19.97 KN

A交3-4轴KL4(3)传至KL5(2)的集中荷载: G5恒=8.79 KN G5活=9.11 KN

B交3-4轴KL3(2)传至KL5(2)的集中荷载:

50

毕业设计结构计算书 - 图文

图9第七层KL5所受荷载示意图三、第六层框架梁KL5(2)A-D轴间的荷载46图10第六层(KL5)导荷示意图第六层板传荷载(见图8):表12板编号板面载(KN
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