毕业设计计算书参考样板

导读:某某学院2014届本科生毕业论文(设计),(1)按“强柱弱梁”原则调整柱端组合弯矩设计值:边柱A柱,根据《建筑抗震设计规范GB50011-2010》6.2.2条规定,M1下?1.5?271.27?406.91kN?m(根据《建筑抗震设计规范GB5,底层柱底组合弯矩设计值应乘以增大系数,调整后的柱净高上、下两端的弯矩设计值为:,某某学院2014届本科生毕业论文(设计)REvcccn87(1)按“

毕业设计计算书参考样板

某某学院2014届本科生毕业论文(设计)

REvcccn 87

(1)按“强柱弱梁”原则调整柱端组合弯矩设计值: 边柱A柱

?RE??Mc??c?Mb?

根据《建筑抗震设计规范 GB50011-2010》6.2.2条规定,顶层和轴压比小于0.15者可不调整,本框架10层柱的轴压比小于0.15,不予调整。ηc为柱端弯矩增大系数,二级抗震ηc=1.5,偏压柱γRE=0.8。

?M

c

??c?Mb,再按上下柱的刚度比分配到上下柱端。由梁的内

130.88

?209.41kN?m 0.75158.97

?0.8?1.5??254.35kN?m

0.75177.28

?0.8?1.5??283.65kN?m

0.75214.29

?0.8?1.5??342.86kN?m

0.75225.49

?0.8?1.5??360.78kN?m

0.75225.71

?0.8?1.5??361.14kN?m

0.75275.6

?0.8?1.5??440.96kN?m

0.75277.07

?0.8?1.5??443.31kN?m

0.75270.52

?0.8?1.5??432.83kN?m

0.75

力组合表可查得:

9层 ?RE?Mc?0.8?1.5?8层 ?RE?Mc7层 ?RE?Mc6层 ?RE?Mc5层 ?RE?Mc4层 ?RE?Mc3层 ?RE?Mc2层 ?RE?Mc1层 ?RE?Mc

按刚度分配到各节点的上下柱端:

上M9?下M9

4.34

?209.41?104.71kN?m

4.34?2

4.34

?M8上??254.35?127.18kN?m

4.34?2

88

下上M8?M7?下M7?上M6下M6下M5下M4上M3下M3下M2

4.34

?283.65?141.83kN?m

4.34?2

M1上

4.34

?342.86?111.55kN?m

4.34?9.09.0??342.86?231.31kN?m 9.0?4.34

9.0上

?M5??360.78?180.39kN?m

9.0?29.0上

?M4??361.14?180.57kN?m

9.0?29.0??440.96?170.38kN?m 9.0?14.29314.293??440.96?270.58kN?m 14.293?9.0

14.293上

?M2??443.31?221.66kN?m

14.293?214.293??432.83?233.17kN?m 14.293?12.239

12.239??432.83?199.66kN?m 12.239?14.293

M1下?1.5?271.27?406.91kN?m(根据《建筑抗震设计规范 GB50011-2010》6.2.3条规定,底层柱底组合弯矩设计值应乘以增大系数,二级抗震取1.5)

考虑梁高和板厚对上述弯矩值进行调整,1~3层横梁尺寸为350mm×600mm,4~10层横梁尺寸为300mm×600mm,板厚为120mm。则反弯点高度h’的确定:

127.18

?3.6?1.97m

127.18?104.71

141.83

?3.6?1.90m 8层 h'?

141.83?127.18

111.55

?3.6?1.58m 7层 h'?

111.55?141.83

180.39

?3.6?1.58m 6层 h'?

180.39?231.31

9层 h'?

89

5层 h'?4层 h'3层 h'2层 h'1层 h'

180.57

?3.6?1.80m

180.57?180.39

170.38??3.6?1.75m 170.38?180.57

221.66??4.2?1.89m 221.66?270.58

233.17??4.2?2.15m 233.17?221.66

406.91??5.15?3.45m 406.91?199.66

调整后的柱净高上、下两端的弯矩设计值为:

上'M9?下'M9上'M8下'M8上'M7下'M7上'M6下'M6上'M5下'M5上'M4下'M4上'M3

104.71

??3.6?1.97?0.48??73.88kN?m

3.6?1.97127.18???1.97?0.12??119.43kN?m 1.97127.18???3.6?1.90?0.48??91.27kN?m 3.6?1.90141.83???1.90?0.12??132.87kN?m 1.90141.83???3.6?1.58?0.48??108.13kN?m 3.6?1.58111.55???1.58?0.12??103.08kN?m 1.58231.31???3.6?1.58?0.48??176.35kN?m 3.6?1.58180.39???1.58?0.12??166.69kN?m 1.58180.39???3.6?1.8?0.48??132.29kN?m 3.6?1.8180.57???1.8?0.12??168.53kN?m

1.8180.57???3.6?1.75?0.48??133.72kN?m 3.6?1.75170.38???1.75?0.12??158.70kN?m 1.75270.58???4.2?1.89?0.48??214.36kN?m 4.2?1.89

90

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