工程设计常用公式（常用力学公式）—工程力学—几种典型结构的静力计算公式及图表—拱 常用工程公式(常用力学公式)-工程力学-静力计算公式 几种典型结构的图表-拱:& nbsp；& nbsp& nbsp一、三铰拱(表1):1 & nbsp；三拱支撑反力及任意截面内力计算公式(需要明确资料的成员，请免费致电)& nbsp& nbsp& nbsp注:1。计算公式中的θ值和简支梁的内力值应带符号。 & nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp2.上述公式适用于所有满足这种类型的集中或分布荷载。 & nbsp& nbsp& nbsp& nbsp二。等截面双铰圆拱(表2):& nbsp；& nbsp& nbsp计算等截面双铰圆拱的支座反力和弯矩，将表中的系数乘以表中的乘数。 & nbsp& nbsp& nbsp& nbsp除图中所示外，其他符号为:& nbsp& nbsp& nbspVc、Hc和MC-C点的剪力、轴力和弯矩；& nbsp& nbsp& nbsp& nbspg——半跨拱的自重；& nbsp& nbsp& nbsp& nbspd——等截面拱的厚度；& nbsp& nbsp& nbsp& nbspg——拱形材料的堆积密度；& nbsp& nbsp& nbsp& nbspG1-拱背填充材料的堆积密度 & nbsp2 & nbsp项目f/ι乘数0.10.20.30.40.5VA = VB:等截面双铰圆拱支座反力及拱顶截面弯矩计算图；VC = 0；HA = HB = hcvahamc 0.500001.242980.000700.500000.610530.002890.500000.394640.006610.500000.282690.011920.5000000.212210.01890 qιqιqι2VA = 2VAHA = HB = hcvahbhamc 0 . 250000 . 750000 . 621490 . 0000350 . 250000 . 305270 . 0001450 . 2500000 . 19500325VC = 0；HA = HB = hcvahamcg 11.0000001.40393-0.016370.016401.000000005.685887-0.015880.03125.0000003605G1 G1ιG1ι2VA = VB；VC = 0；HA = HB = hcvahamcg 1.0000002.458350.0000870.513231.167144.0003765HA = HBHC = HA+qιvahamc 0-0.42976-0.007020-0.42787-0.014470-0.42659-0.022022-0.42549-0.029810-0.42441-0.03779 qf qf qfιVB =-VA；VC = VAHC = havahahbmc 0.050000.28510-0.71490-0.003510.1000000000.28616-0.71384-0.007230.15000000.28671-0.71329-0.0111010.20000005HA = HBHC = HA+qι/2 vahamc 0-0.62597-0.004070-0.60259-0.012820-0.60112-0.019660-0.59996-0.026680-0.59883-0.03392 qf/2qf/2qfι/2VB =-VA；VC = VAHC = havahahbmc 0.033330.18789-0.81211-0.002120.0666670.19871-0.80129-0.006410.1000000.19944-0.800056-0.009833.13333333.200999998-0.01 . 31HA = HB = hcvahamc 0.500001.937000.056300.500000.944390.061120.500000.604120.068760.500000.427960.078820.500000.318310.09085 PPPι& nbsp；& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp& nbsp(3)等截面无铰圆拱(表3):& nbsp；& nbsp& nbsp计算无铰拱段的支座反力和弯矩，将表中的系数乘以表中的乘数。 除图中所示外，其他符号为:& nbsp& nbsp& nbspVc、Hc和MC-C点的剪力、轴力和弯矩；& nbsp& nbsp& nbsp& nbspg——半跨拱的自重；& nbsp& nbsp& nbsp& nbspd——等截面拱的厚度；& nbsp& nbsp& nbsp& nbspg——拱形材料的堆积密度；& nbsp& nbsp& nbsp& nbspG1-拱背填充材料的堆积密度 & nbsp表3:工程f/ι乘数0.10.20.30.40.5VA = VB:无铰等截面圆拱支座反力及拱顶截面弯矩计算图；VC = 0；HA = HB = HCMA = mbvahamamc 0.500001.2600930.000110.0000000220.637804HA = HB = HCV VB hamambmc 0.188530.8111471.260930.03204-0.029439VC = 0；HA = HB = HCMA = mbvahamamcg 11.000001.09958-0.02641-0.010700.016401.000000005.55637-0.02206-0.010300.031241.0000000005.381119-0.00099.21008330.050901.000000.253080.00852-0.005990.05365 G1 G1ιG1ιG1ι2VA = VB；VC = 0；HA = HB = HCMA = mbvahamammcg 1.000002.484760.000186-0.0000000055.513231.000001.206 450.000585HA = HBHC = HA+qι；MA = mbvahamamc 0-0.57184-0.01151-0.004390-0.56746-0.02237-0.008880-0.56888-0.03383-0.013170-0.56350-0.04364-0.018240-0.55300-0.05044-0VC = VAHC =-havahahbmabmc 0.024860.21408-0.785920.00682-0.01832-0.002160.048550.21453-0.785460.01454-0.03691-0.004100.070630.21556-0.784440.020。HA = HBHC = HA+qι/2；MA = mbvahamamc 0-0.75989-0.01273-0.003780-0.75679-0.02502-0.006990-0.75857-0.03795-0.010380-0.75246-0.04919-0.014880-0.73600-0.05600-0VC = VAHC = havahahbmabmc 0.013110.12006-0.879940.00375-0.01647-0.001700.025610.12022-0.879800.00802-0.033304-0.00373220.037362-0.8797925.HA = HB = HCMA = mbvahamamc 0.500002.346060.0320478001.1677777744.0357517.10.507MB =-MA vahama 0.074440.500000.012780.145700.500000.027150.211050.500000.044520.269190.5000000.065400.319750.500000.09015 PPPι& nbsp； 免责声明：本网部分内容来自互联网媒体、机构或其他网站的信息转载以及网友自行发布，并不意味着赞同其观点或证实其内容的真实性。本网所有信息仅供参考，不做交易和服务的根据。本网内容如有侵权或其它问题请及时告之，本网将及时修改或删除。凡以任何方式登录本网站或直接、间接使用本网站资料者，视为自愿接受本网站声明的约束。
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