混凝土课设03

荷载类型 荷载编号 内 力 设 计 值 内力组合 荷载组合 ?Mmax及相应N 恒荷载 ①屋面恒荷载 M N V ②柱、吊车梁自重 M N ③屋面均布活荷载 M N V V控 制 截 面 N,V 恒荷载+0.9（任意两种或两种以上活荷载） 组合项目 ①+②+0 .9 M ?Mmax??4.67?0?0.9?[?1.11?62.13? 26.39?37.87]??111.31?Mmax及相应N N?278.9?18.24?0.9?[70.56?0?0?0]?328.74?[③+④+⑥+⑧] ①+②+0 .9? I-I Nmax及相应M [③+④+⑥+⑧] M??4.67?0?0.9?[?1.21?61.13? 28.89?37.87]??111.31Nmax?259.2?18.24?0.9?[70.56?0?0?0]?336.74 Nmin及相应M ①+②+0 .9? [④+⑥+⑧] ①+?Mmax及相应N M??4.67?0?0.9?[?61.13? 28.39?37.87]??111.12Nmin?261.2? 18.24?0.9?[0?0?0]?281.44②+0 .9? [④+⑥+⑦] ①+②+0 .9? ?Mmax??4.67?17.43?0.9?[178.44?24.39?29.42]?224.75 N?268.2?78.48?0.9?[697.34?0?0]?969.59N?78.48?258.2?0.9? II-II ?Mmax及相应N ?Mmax??4.67?16.43?0.9?[?1.21?30.47?28.39?37.87]??20.74[③+⑤+⑥+⑧] [70.56?270.27 ?0?0]?648.43 12

①+②+0 .9? Nmax及相应M ?Mmax??4.67?17.43?0.9?[?1.21?184.4?28.39?29.42]??171.56Nmax?256.2?[③+④+⑥+⑦] 78.48?0.9?[70.56?704.34?0?0]?1032.09 Nmin及相应M ①+ N?268.2?118.85?0.9?[70.56?704.34?Mmax及相应N、V②+0 .9? [③+④+⑥+⑦] ①+?Mmax?13.54?17.43?0.9?[3.55?56.86?166.58?217.34]?442.87 ?0?0]?1074.46V??2.3?0?0.9?[?0.61?16.35?20.28?34.8??36.71 N?268.2?118.85?Mmax及相应N、V②+0 .9? ?0.9?[268.27?0?0]0.9?[?95.06?166.58?189.48]?628.29?Mmax?13.54?17.43???407III-III [⑤+⑥+⑧] V??2.3?0?0.9?[?16.35?20.28?34.8]??62.29N?268.2?118.85?0.9?[70.56?0 ①+②+0 .9? Nmax及相应M、V [③+④+⑥+⑦] M?13.54?17.43?0.9?[3.55?56.86?176.58?211.34]?446.87 ?0?704.34]?1076.46V??2.3?0?0.9?[0.61?16.35?20.28?34.8?36.88 Nmin及相应M、V

活荷载 ④Dmax在A柱 M N V ⑤Dmin在A柱 M N V ⑥Tmax M V ⑦左风 M V ⑧右风 MV 13

组合项目 恒荷载+任一种活荷载 M N、V ①+②+⑦ ?Mmax??4.67?0?29.42?23.75 N?268.2?18.24?0?278.44 ①+②+③ M??4.67?0 ?1.21??5.28 Nmax?257.2?18.24?70.56?351 ①+②+⑧ M??4.17?0 ?37.87??42.04Nmin?257.?18.24?0?275.44 ①+②+④ ?Mmax??4.67?0?178.4?170.73 N?261.2?17.24?704.34?982.78 、 ①+②+⑧ ?Mmax??4.67?0?36.87??41.54 N?262.2?18.24?0?280.44 14

①+②+④ M??4.67?174.44 ??171.73Nmax?266.2?18.24?700.34?985.78 ①+②+⑦ M??4.67?29.42 ??24.75Nmin?264.2?18.24?0?282.44 ①+②+⑦ N?262.2?18.24?Mmax??13.54?17.43?0?280.44 ?213.34?244.31V?2.3?0?34.8?37.1 ①+②+⑧ ?Mmax??13.54?17.43?189.88??158.91 N?266.2?112.85?0?379.05V??2.3?0?26.75??24.45 ①+②+④ M?13.54?17.43 ?51.86?82.83 Nmax?261.2?115.85?704.34?795.34V?2.3?0?16.35??14.05 M ??13.54?17.43 ①+②+⑦ ?214.34??245.31Nmin?264.2?112.85?0?378.05V??2.3?0?34.8?37.71 （1）控制截面I-I在以?Mmax及相应N为目标进行恒荷载?0.9?（任意两种或两种以上活荷载）的内力组合时，由于“由Tmax产生的是正弯矩?29.83kN?m而在Dmax或Dmin作用下产生的是负弯矩?37.63kN?m，如果把它们组合起来，得到的是负弯矩，与要得到?Mmax的目标不符，故不予组合。

（2）控制截面I-I在以Nmax及相应M为目标进行恒荷载?0.9?（任意两种

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