《橫向風(fēng)荷載計(jì)算案例》1000字

II橫向風(fēng)荷載計(jì)算案例綜述1.1自然情況：該地區(qū)的基本風(fēng)壓為W0=0。30kN/m2，地面粗糙度為B級。1.2風(fēng)荷載計(jì)算：(5-1)表5-1風(fēng)荷載標(biāo)準(zhǔn)值層數(shù)βZ_μS__微子W0維基_FWki我_510.8+0.51.260.550.931.6231.6241.180.84429.6161.2331.080.77227.188.3321.000.71521.1113.4311.000.71531.53144.96注：（1）實(shí)際工程中，高度不大于30M，縱橫比小于1.5對于單層建筑結(jié)構(gòu)，取風(fēng)振系數(shù)βZ=1.0。(2)(5-2)1.3風(fēng)荷載作用下的框架柱剪力與柱彎矩（D值法，?、廨S橫向中間框架計(jì)算）1.3.1反向彎曲點(diǎn)高度校正：(5-3)1.3.2柱端彎矩計(jì)算：側(cè)柱（中框）表5-2中框邊柱柱端彎矩計(jì)算表層高（米）∑迪D(KNm)D/∑DiVi(KN)維克(KN)低于M(KNm)開米(KNm)53.9661OO0134000.020331.620.640.30.751.7543.9661OO0134000.020361.231.240.41.942.9133.9661OO0134000.020388.331.790.453.153.8523.9661OO0134000.0203113.432.300.504.494.4914.9563800122000.0216144.962.940.659.371.05表5-2中框邊柱柱端彎矩計(jì)算表層高（米）∑迪D(KNm)D/∑DiVi(KN)維克(KN)低于M(KNm)開米(KNm)53.9661OO0144000.021831.620.690.350.941.7543.9661OO0144000.021861.231.330.42.083.1233.9661OO0144000.021888.331.930.453.384.1323.9661OO0144000.0218113.432.470.504.824.8214.9563800125000.0222144.963.160.6510.071.42中柱（中框）表5-2、框架中柱端彎矩計(jì)算表層高（米）∑迪D(KNm)D/∑DiVi(KN)維克(KN)低于M(KNm)開米(KNm)53.9661OO0168000.025431.620.800.351.102.0443.9661OO0168000.025461.231.560.402.433.6433.9661OO0168000.025488.332.240.453.944.8123.9661OO0168000.0254113.432.880.501.621.6214.9563800135000.0239144.963.460.6510.196.79表5-2、框架中柱端彎矩計(jì)算表層高（米）∑迪D(KNm)D/∑DiVi(KN)維克(KN)低于M(KNm)開米(KNm)53.9661OO0176000.026631.620.840.351.152.1343.9661OO0176000.026661.231.630.402.543.8133.9661OO0176000.026688.332.350.454.121.0423.9661OO0176000.0266113.433.020.501.881.8814.9563800140000.0248144.963.600.6510.577.051.4風(fēng)荷載作用下梁端彎矩計(jì)算梁軸彎矩由柱端彎矩根據(jù)節(jié)點(diǎn)平衡求得圖5-2風(fēng)引起的下框架μ1=K1/K1+K2μ2=K2/K1+K2MFH=(M上+M下)μ1MHF=(M上+M下)μ2表5-3風(fēng)荷載作用下的梁端彎矩層D軸C軸在MC上中號B1甲乙_在MC上中號μB1μB2工商管理碩士_公元前_51.750.7511.752.041.100.720.281.470.5742.911.9413.663.642.430.720.283.411.3333.853.1511.294.813.940.720.281.212.0324.494.4917.641.621.620.720.286.882.6811.059.3719.546.7910.190.720.288.943.47層A軸B軸在MC上中號B1甲乙_在MC上中號μB1μB2工商管理碩士_公元前_51.750.9411.752.131.150.730.271.550.5843.122.0814.063.812.540.730.273.621.3434.133.3816.211.044.120.730.271.532.0524.824.8218.201.881.880.730.277.302.7011.4210.07110.247.0510.570.730.279.443.491.5風(fēng)荷載作用下梁端剪力與柱軸力標(biāo)準(zhǔn)值(5-4)_表5-4風(fēng)荷載作用下的梁端剪力與柱軸力層直流跨梁端剪BC跨梁端部剪力立柱軸向力長（米）長（米）側(cè)柱D(千牛)中心柱C(千牛)57.51.751.470.433.00.570.580.380.430.0547.53.663.410.943.01.331.340.891.370.1037.51.291.211.473.02.032.051.362.840.2127.57.646.881.943.02.682.701.794.780.3617.59.548.942.463.03.473.492.327.240.50AB跨梁端