梁的內(nèi)力組合計算案例3100字

梁的內(nèi)力組合計算案例綜述框架結(jié)構(gòu)在恒荷載、活荷載、風(fēng)荷載以及地震荷載作用下的內(nèi)力求出后，要計算框架梁柱各控制截面上可能發(fā)生的最不利內(nèi)力，并以此作為計算梁柱配筋的依據(jù)，本工程的內(nèi)力組合形式按如下計算：（1）一般荷載組合1.3恒荷載+1.5×活荷載1.3恒荷載+1.5×(活荷載+0.6左風(fēng))1.3恒荷載+1.5×(活荷載-0.6右風(fēng))1.3恒荷載+1.5×(0.7活荷載+左風(fēng))1.3恒荷載+1.5×(0.7活荷載-右風(fēng))（2）考慮地震作用效應(yīng)組合1.2重力荷載+1.3左震1.2重力荷載-1.3右震表7.2框架梁內(nèi)力組合（一般組合）樓層截面

位置內(nèi)力恒載活載風(fēng)1.3恒+1.5×活1.3恒+1.5×(活+0.6風(fēng))1.3恒+1.5×(0.7活+風(fēng))|M|max及對應(yīng)VMmin及對應(yīng)V|V|max及對應(yīng)M左風(fēng)右風(fēng)左風(fēng)右風(fēng)6A支座M(kN·m)-36.62-3.755.04-53.23-48.70-57.77-43.98-59.11-59.11-59.11-57.77V(kN)49.844.55-1.3571.6270.4172.8467.5571.6071.6071.6072.84AB跨中M(kN·m)45.593.770.6964.9265.5464.3064.2662.1965.5462.19B支座左M(kN·m)-37.61-3.74-3.66-54.50-57.80-51.21-58.31-47.32-58.31-58.31-57.80V(kN)-50.19-4.55-1.35-72.08-73.29-70.86-72.06-68.01-72.06-72.06-73.29B支座右M(kN·m)-2.130.102.55-2.63-0.33-4.921.15-6.49-6.49-6.49-6.49V(kN)6.350.60-3.089.166.3911.934.2713.5113.5113.5113.51BC跨中M(kN·m)1.290.420.002.302.302.302.122.122.302.12C支座左M(kN·m)-2.130.10-2.55-2.63-4.92-0.33-6.491.15-6.49-6.49-6.49V(kN)-6.35-0.60-3.08-9.16-11.93-6.39-13.51-4.27-13.51-13.51-13.51C支座右M(kN·m)-37.61-3.743.66-54.50-51.21-57.80-47.32-58.31-58.31-58.31-57.80V(kN)50.194.55-1.3572.0870.8673.2968.0172.0672.0672.0673.29CD跨中M(kN·m)45.593.77-0.6964.9264.3065.5462.1964.2665.5462.19D支座M(kN·m)-36.62-3.75-5.04-53.23-57.77-48.70-59.11-43.98-59.11-59.11-57.77V(kN)-49.84-4.55-1.35-71.62-72.84-70.41-71.60-67.55-71.60-71.60-72.845A支座M(kN·m)-45.99-13.887.87-80.60-73.52-87.69-62.55-86.17-87.69-87.69-87.69V(kN)58.6018.13-2.31103.37101.29105.4591.7598.68105.45105.45105.45AB跨中M(kN·m)50.8816.080.4290.2690.6489.8983.6682.4090.6482.40B支座左M(kN·m)-46.03-14.01-7.03-80.85-87.18-74.52-85.10-63.99-87.18-87.18-87.18V(kN)-58.61-18.18-2.31-103.46-105.54-101.38-98.74-91.81-105.54-105.54-105.54B支座右M(kN·m)-0.27-0.374.82-0.913.43-5.256.49-7.97-7.97-7.97-7.97V(kN)3.853.52-5.8410.285.0215.53-0.0717.4517.4517.4517.45BC跨中M(kN·m)2.731.210.005.365.365.364.824.825.364.82C支座左M(kN·m)-0.27-0.37-4.82-0.91-5.253.43-7.976.49-7.97-7.97-7.97V(kN)-3.85-3.52-5.84-10.28-15.53-5.02-17.450.07-17.45-17.45-17.45C支座右M(kN·m)-46.03-14.017.03-80.85-74.52-87.18-63.99-85.10-87.18-87.18-87.18V(kN)58.6118.18-2.31103.46101.38105.5491.8198.74105.54105.54105.54CD跨中M(kN·m)50.8816.08-0.4290.2689.8990.6482.4083.6690.6482.40D支座M(kN·m)-45.99-13.88-7.87-80.60-87.69-73.52-86.17-62.55-87.69-87.69-87.69V(kN)-58.60-18.13-2.31-103.37-105.45-101.29-98.68-91.75-105.45-105.45-105.454A支座M(kN·m)-45.39-14.0411.43-80.06-69.78-90.35-56.60-90.89-90.89-90.89-90.35V(kN)58.5718.14-3.47103.34100.22106.4789.98100.39100.39100.39106.47AB跨中M(kN·m)51.4115.930.2590.7290.9490.4983.9383.1890.9483.18B支座左M(kN·m)-45.58-14.15-10.93-80.48-90.32-70.65-90.51-57.72-90.51-90.51-90.32V(kN)-58.64-18.18-3.47-103.50-106.62-100.37-100.52-90.11-100.52-100.52-106.62B支座右M(kN·m)-0.65-0.257.47-1.225.50-7.9410.09-12.31-12.31-12.31-12.31V(kN)3.853.52-9.0510.282.1318.42-4.8822.2722.2722.2722.27BC跨中M(kN·m)2.351.330.005.045.045.044.454.455.044.45C支座左M(kN·m)-0.65-0.25-7.47-1.22-7.945.50-12.3110.09-12.31-12.31-12.31V(kN)-3.85-3.52-9.05-10.28-18.42-2.13-22.274.88-22.27-22.27-22.27C支座右M(kN·m)-45.58-14.1510.93-80.48-70.65-90.32-57.72-90.51-90.51-90.51-90.32V(kN)58.6418.18-3.47103.50100.37106.6290.11100.52100.52100.52106.62CD跨中M(kN·m)51.4115.93-0.2590.7290.4990.9483.1883.9390.9483.18D支座M(kN·m)-45.39-14.04-11.43-80.06-90.35-69.78-90.89-56.60-90.89-90.89-90.35V(kN)-58.57-18.14-3.47-103.34-106.47-100.22-100.39-89.98-100.39-100.39-106.473A支座M(kN·m)-45.39-14.0414.39-80.06-67.12-93.01-52.16-95.33-95.33-95.33-93.01V(kN)58.5718.14-4.54103.3499.26107.4388.37101.99101.99101.99107.43AB跨中M(kN·m)51.4115.93-0.2790.7290.4890.9683.1583.9690.9683.15B支座左M(kN·m)-45.58-14.15-14.93-80.48-93.92-67.05-96.51-51.73-96.51-96.51-93.92V(kN)-58.64-18.18-4.54-103.50-107.58-99.41-102.12-88.50-102.12-102.12-107.58B支座右M(kN·m)-0.65-0.2510.15-1.227.91-10.3514.11-16.33-16.33-16.33-16.33V(kN)3.853.52-12.3010.28-0.7921.35-9.7627.1427.1427.1427.14BC跨中M(kN·m)2.351.330.005.045.045.044.454.455.044.45C支座左M(kN·m)-0.65-0.25-10.15-1.22-10.357.91-16.3314.11-16.33-16.33-16.33V(kN)-3.85-3.52-12.30-10.28-21.350.79-27.149.76-27.14-27.14-27.14C支座右M(kN·m)-45.58-14.1514.93-80.48-67.05-93.92-51.73-96.51-96.51-96.51-93.92V(kN)58.6418.18-4.54103.5099.41107.5888.50102.12102.12102.12107.58CD跨中M(kN·m)51.4115.930.2790.7290.9690.4883.9683.1590.9683.15D支座M(kN·m)-45.39-14.04-14.39-80.06-93.01-67.12-95.33-52.16-95.33-95.33-93.01V(kN)-58.57-18.14-4.54-103.34-107.43-99.26-101.99-88.37-101.99-101.99-107.432A支座M(kN·m)-45.63-14.1217.39-80.49-64.83-96.14-48.05-100.23-100.23-100.23-96.14V(kN)58.5718.14-5.43103.3498.46108.2387.04103.33103.33103.33108.23AB跨中M(kN·m)51.1915.86-0.1290.3490.2390.4583.0283.3890.4583.02B支座左M(kN·m)-45.78-14.21-17.62-80.83-96.69-64.96-100.87-48.00-100.87-100.87-96.69V(kN)-58.63-18.17-5.43-103.47-108.35-98.58-103.44-87.15-103.44-103.44-108.35B支座右M(kN·m)-0.48-0.2012.00-0.939.88-11.7317.17-18.84-18.84-18.84-18.84V(kN)3.853.52-14.5510.28-2.8223.37-13.1330.5230.5230.5230.52BC跨中M(kN·m)2.521.380.005.345.345.344.724.725.344.72C支座左M(kN·m)-0.48-0.20-12.00-0.93-11.739.88-18.8417.17-18.84-18.84-18.84V(kN)-3.85-3.52-14.55-10.28-23.372.82-30.5213.13-30.52-30.52-30.52C支座右M(kN·m)-45.78-14.2117.62-80.83-64.96-96.69-48.00-100.87-100.87-100.87-96.69V(kN)58.6318.17-5.43103.4798.58108.3587.15103.44103.44103.44108.35CD跨中M(kN·m)51.1915.860.1290.3490.4590.2383.3883.0290.4583.02D支座M(kN·m)-45.63-14.12-17.39-80.49-96.14-64.83-100.23-48.05-100.23-100.23-96.14V(kN)-58.57-18.14-5.43-103.34-108.23-98.46-103.33-87.04-103.33-103.33-108.231A支座M(kN·m)-43.91-13.5821.28-77.45-58.30-96.61-39.42-103.26-103.26-103.26-96.61V(kN)58.5018.11-6.58103.2197.29109.1385.19104.93104.93104.93109.13AB跨中M(kN·m)52.7116.320.0593.0093.0492.9585.7385.5893.0485.58B支座左M(kN·m)-44.46-13.82-21.17-78.53-97.59-59.48-104.07-40.55-104.07-104.07-97.59V(kN)-58.70-18.20-6.58-103.60-109.53-97.68-105.28-85.54-105.28-105.28-109.53B支座右M(kN·m)-1.75-0.5814.44-3.149.85-16.1418.77-24.54-24.54-24.54-24.54V(kN)3.853.52-17.5010.28-5.4726.03-17.5634.9434.9434.9434.94BC跨中M(kN·m)1.241.010.003.123.123.122.672.673.122.67C支座左M(kN·m)-1.75-0.58-14.44-3.14-16.149.85-24.5418.77-24.54-24.54-24.54V(kN)-3.85-3.52-17.50-10.28-26.035.47-34.9417.56-34.94-34.94-34.94C支座右M(kN·m)-44.46-13.8221.17-78.53-59.48-97.59-40.55-104.07-104.07-104.07-97.59V(kN)58.7018.20-6.58103.6097.68109.5385.54105.28105.28105.28109.53CD跨中M(kN·m)52.7116.32-0.0593.0092.9593.0485.5885.7393.0485.58D支座M(kN·m)-43.91-13.58-21.28-77.45-96.61-58.30-103.26-39.42-103.26-103.26-96.61V(kN)-58.50-18.11-6.58-103.21-109.13-97.29-104.93-85.19-104.93-104.93-109.13考慮地震效應(yīng)的荷載組合首先需計算其重力荷載代表值，其計算公式為：在設(shè)計時對框架梁提出了梁端的斜截面受剪承載力應(yīng)高于正截面受彎承載力的要求，即“強剪弱彎”的設(shè)計概念。《建筑抗震設(shè)計規(guī)范》（GB50011-2012）的第6.2.4條對此作出了規(guī)定，對于一、二、三級的框架梁和抗震墻的連梁，其梁端截面組合的剪力設(shè)計值應(yīng)按下式調(diào)整：表7.3框架梁內(nèi)力組合（考慮地震效應(yīng)）樓層截面

位置內(nèi)力恒載活載地震重力荷載VGb1.2重力荷載+1.3地震強剪弱彎調(diào)整|M|max及對應(yīng)VMmin及對應(yīng)V|V|max及對應(yīng)M左震右震6A支座M(kN·m)-36.62-3.7573.23-36.6251.24-139.14-139.14-139.14-139.14V(kN)49.844.55-19.6449.8462.7534.2885.3491.0585.3485.3485.34AB跨中M(kN·m)45.593.779.8745.5967.5441.8867.5441.88B支座左M(kN·m)-37.61-3.74-53.49-37.61-114.6624.40-114.66-114.66-114.66V(kN)-50.19-4.55-19.64-50.1962.75-85.76-34.7091.05-85.76-85.76-85.76B支座右M(kN·m)-2.130.1037.15-2.1345.74-50.86-50.86-50.86-50.86V(kN)6.350.60-45.036.3510.50-50.9166.1674.9066.1666.1666.16BC跨中M(kN·m)1.290.420.001.291.551.551.551.55C支座左M(kN·m)-2.130.10-37.15-2.13-50.8645.74-50.86-50.86-50.86V(kN)-6.35-0.60-45.03-6.3510.50-66.1650.9174.90-66.16-66.16-66.16C支座右M(kN·m)-37.61-3.7453.49-37.6124.40-114.66-114.66-114.66-114.66V(kN)50.194.55-19.6450.1962.7534.7085.7691.0585.7685.7685.76CD跨中M(kN·m)45.593.77-9.8745.5941.8867.5467.5441.88D支座M(kN·m)-36.62-3.75-73.23-36.62-139.1451.24-139.14-139.14-139.14V(kN)-49.84-4.55-19.64-49.8462.75-85.34-34.2891.05-85.34-85.34-85.345A支座M(kN·m)-45.99-13.88108.23-52.9377.18-204.22-204.22-204.22-204.22V(kN)58.6018.13-31.8967.6681.2139.74122.65126.84122.65122.65122.65AB跨中M(kN·m)50.8816.085.3758.9277.6863.7277.6863.72B支座左M(kN·m)-46.03-14.01-97.49-53.03-190.3863.10-190.38-190.38-190.38V(kN)-58.61-18.18-31.89-67.7081.21-122.69-39.78126.84-122.69-122.69-122.69B支座右M(kN·m)-0.27-0.3766.82-0.4586.32-87.41-87.41-87.41-87.41V(kN)3.853.52-80.995.6111.11-98.56112.01126.93112.01112.01112.01BC跨中M(kN·m)2.731.210.003.334.004.004.004.00C支座左M(kN·m)-0.27-0.37-66.82-0.45-87.4186.32-87.41-87.41-87.41V(kN)-3.85-3.52-80.99-5.6111.11-112.0198.56126.93-112.01-112.01-112.01C支座右M(kN·m)-46.03-14.0197.49-53.0363.10-190.38-190.38-190.38-190.38V(kN)58.6118.18-31.8967.7081.2139.78122.69126.84122.69122.69122.69CD跨中M(kN·m)50.8816.08-5.3758.9263.7277.6877.6863.72D支座M(kN·m)-45.99-13.88-108.23-52.93-204.2277.18-204.22-204.22-204.22V(kN)-58.60-18.13-31.89-67.6681.21-122.65-39.74126.84-122.65-122.65-122.654A支座M(kN·m)-45.39-14.04149.98-52.41132.08-257.86-257.86-257.86-257.86V(kN)58.5718.14-45.6667.6481.2121.80140.52146.56140.52140.52140.52AB跨中M(kN·m)51.4115.932.7259.3774.7867.7174.7867.71B支座左M(kN·m)-45.58-14.15-144.53-52.66-251.08124.70-251.08-251.08-251.08V(kN)-58.64-18.18-45.66-67.7381.21-140.63-21.91146.56-140.63-140.63-140.63B支座右M(kN·m)-0.65-0.2598.69-0.78127.36-129.23-129.23-129.23-129.23V(kN)3.853.52-119.635.6111.11-148.79162.25182.17162.25162.25162.25BC跨中M(kN·m)2.351.330.003.013.613.613.613.61C支座左M(kN·m)-0.65-0.25-98.69-0.78-129.23127.36-129.23-129.23-129.23V(kN)-3.85-3.52-119.63-5.6111.11-162.25148.79182.17-162.25-162.25-162.25C支座右M(kN·m)-45.58-14.15144.53-52.66124.70-251.08-251.08-251.08-251.08V(kN)58.6418.18-45.6667.7381.2121.91140.63146.56140.63140.63140.63CD跨中M(kN·m)51.4115.93-2.7259.3767.7174.7874.7867.71D支座M(kN·m)-45.39-14.04-149.98-52.41-257.86132.08-257.86-257.86-257.86V(kN)-58.57-18.14-45.66-67.6481.21-140.52-21.80146.56-140.52-140.52-140.523A支座M(kN·m)-45.39-14.04179.69-52.41170.71-296.49-296.49-296.49-296.49V(kN)58.5718.14-56.8767.6481.217.23155.09162.59155.09155.09155.09AB跨中M(kN·m)51.4115.93-3.7159.3766.4276.0776.0766.42B支座左M(kN·m)-45.58-14.15-187.11-52.66-306.44180.06-306.44-306.44-306.44V(kN)-58.64-18.18-56.87-67.7381.21-155.20-7.34162.59-155.20-155.20-155.20B支座右M(kN·m)-0.65-0.25127.26-0.78164.50-166.37-166.37-166.37-166.37V(kN)3.853.52-154.255.6111.11-193.80207.25231.69207.25207.25207.25BC跨中M(kN·m)2.351.330.003.013.613.613.613.61C支座左M(kN·m)-0.65-0.25-127.26-0.78-166.37164.50-166.37-166.37-166.37V(kN)-3.85-3.52-154.25-5.6111.11-207.25193.80231.69-207.25-207.25-207.25C支座右M(kN·m)-45.58-14.15187.11-52.66180.06-306.44-306.44-306.44-306.44V(kN)58.6418.18-56.8767.7381.217.34155.20162.59155.20155.20155.20CD跨中M(kN·m)51.4115.933.7159.3776.0766.4276.0766.42D支座M(kN·m)-45.39-14.04-179.69-52.41-296.49170.71-296.49-296.49-296.49V(kN)-58.57-18.14-56.87-67.6481.21-155.09-7.23162.59-155.09-155.09-155.092A支座M(kN·m)-45.63-14.12204.23-52.68202.28-328.72-328.72-328.72-328.72V(kN)58.5718.14-63.6867.6481.21-1.62163.95172.31163.95163.95163.95AB跨中M(kN·m)51.1915.86-1.1259.1269.4972.4072.4069.49B支座左M(kN·m)-45.78-14.21-206.47-52.88-331.87204.95-331.87-331.87-331.87V(kN)-58.63-18.17-63.68-67.7181.21-164.041.53172.31-164.04-164.04-164.04B支座右M(kN·m)-0.48-0.20140.63-0.58182.12-183.52-183.52-183.52-183.52V(kN)3.853.52-170.475.6111.11-214.88228.34254.88228.34228.34228.34BC跨中M(kN·m)2.521.380.003.213.853.853.853.85C支座左M(kN·m)-0.48-0.20-140.63-0.58-183.52182.12-183.52-183.52-183.52V(kN)-3.85-3.52-170.47-5.6111.11-228.34214.88254.88-228.34-228.34-228.34C支座右M(kN·m)-45.78-14.21206.47-52.88204.95-331.87-331.87-331.87-33