8弯矩分配法分配系数计算过程及结果8_secret.docx

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1、弯矩分配法分配系数计算过程及结果:第6层各节点的弯矩分配系数/节点卜=0.0004i卜4x15.784i下+4，415.78+420.42=0.4364z4x20.42z,-4i+4i下420.42+415.78=0.564。节点上=0.000415.784A+4i+2i415.78420.42+228.58=0.313右=420.424Z+4z+2z4x15.78+420.42+228.584x28.584b-+4z+2z415.78+420.42+228.58=0.000下二4i卜415.784i下+4i415.78+428.58=0.3564z428.58A)IJ-4i+4i下-4x28

2、.58+4x15.78=0.644=0.404=0.283第5、4层各节点的弯矩分配系数H、G节点也41.+4+4f4x15.78415.78+415.78+420.42=0.304%4i+4i下+4,4x15.78415.78+415.78+420.42=0.3044/41.+4Z+4/4x20.424x15.78+4x15.78+4x20.42=0.392N、M节点415.784i+4b-+4z+2415.78+415.78+420.42+228.58=0.238415.784/,+4+4/+2/415.78+415.78+420.42228.58=0.2384/420.42MG4zt.+

3、4z+4z+2z-4x15.78+4x15.78+4x20.42+2x28.58=0.3084Z228.58配4，卜+4i下+4i+2i-4x15.78+4x15.78+4x20.42+2x28.58=0.216T、S节点上=415.784z1+4z+4z415.78+415.78428.58=0.262下=415.7841.+4b-+4z415.78+415.78+428.58=0.2624/4x28.58sm_4Z+4一4x15.78+4x15.78+4x28.580.476第3层各节点的弯矩分配系数F节点4zi,+4f+4-415.78+423.11+420.42-4i下=423.114

4、i+4+4i4x15.78+4x23.11+4x20.424i=4x20.42二4x15.78下=0.3904i上+4i下+4i423.11+415.78+420.420.266/r1=0.3441节点_%4x15.784z1.+4zb-+4z+2/4x15.78+4x23.11+4x20.42+2x28.584x23.11=4i上+4i下+4i+2i-4x15.78+4x23.11+4x20.42+2x28.584/4x20.424i上+4i下+4i+万-415.78+423.11+420.42+228.58=0.215A1fM下=0.3144Z228.58MR=4zt.+4z+4z+2z4

5、15.78+423.11+420.42+228.58=0.194R节点上=0.234415.7841.+4+4z415.78423.11+4x28.58下二4i卜423.1141.+4z+4z415.78+423.11+428.58=0.3434Z428.58从4+4z423.11+415.78+428.580.423第2、1层各节点的弯矩分配系数E、D节点4上423.114,卜+4i423.11+423.11+420.42=0.347Af=4x23.114z1+4G+4z423.11+423.11+420.42=0.3474Z4x20.42ERDJ-4z1+4zf+4z-423.11+423

6、.11+420.42=0.306K、J节点可上4x23.114zi+4zb-+4z+2z423.11+423.11+420.42+228.58=0.2864h-4x23.114t+4f+4z+2/423.11+423.11+420.42+228.58=0.286A,jd4/4x20.4241+4Z+4z+2z423.11+423.11+420.42+228.58=0.252=0,1764zt,+4+4z+2z423.11+423.11+420.42+2x28.58Q、P节点*4z1.+4z+4i4x23.114x23.11+4x23.11+4x28.58=0.309下=4z1.+4+4z423

7、.11+423.11+428.58=0.3094z4x28.584i+4i下-4x23.11+4x23.11+4x28.58A柱B柱C柱结点单元A下柱A上柱AB端BA端B下柱B上柱BC端CB端C上柱C下柱分配系数60.4360.0000.5640.4040.3130.0000.2830.6440.0000.356503040.3040.3920.3080.2380.2380.2160.4760.2620.262403040.3040.3920.3080.2380.2380.2160.4760.2620.26230.3900.2660.3440.2770.3140.2150.1940.4230.2340.34320.3470.3470.3060.2520.2860.2860.1760.3820.3090.30910.3470.3470.3060.2520.2860.2860.1760.3820.3090.309