截面面积及惯性矩计算

分块截面Ai分块面积形心至上缘距离yi分块面积对上缘静矩Si=Aiyi全截面重心到上缘距离yjs(yos)分块面积的自身惯性矩Iicm2cmcm3cmcm4毛截面13338.7582.59721101743.4069140983.01扣除管道面积-352.57177.8-62686.95忽略∑12986.18—1039056.4669140983.01毛面积14238.7577.94531109843.6473588944.31钢筋换算面积455.70177.881023.46忽略∑14694.45—1190867.1073588944.31分块截面Ai分块面积形心至上缘距离yi分块面积对上缘静矩Si=Aiyi全截面重心到上缘距离yjs(yos)分块面积的自身惯性矩Iicm2cmcm3cmcm4毛截面13338.7582.59721101743.4069140983.01扣除管道面积-352.57177.2765-62502.38忽略∑12986.18—1039241.0369140983.01毛面积14238.7577.94531109843.6473588944.31钢筋换算面积455.70177.276580784.90忽略∑14694.45—1190628.5473588944.31分块截面Ai分块面积形心至上缘距离yi分块面积对上缘静矩Si=Aiyi全截面重心到上缘距离yjs(yos)分块面积的自身惯性矩Iicm2cmcm3cmcm4毛截面17459.2586.47151509727.5476726860.48跨中截面四分点截面支点截面截面b1=250cmb1=300cm截面b1=250cmb1=300cm80.01285.8363截面b1=250cm分块名称分块名称分块名称81.042080.026781.0257扣除管道面积-352.75117.2774-41369.60忽略∑17106.50—1468357.9476726860.48毛面积18359.2582.66721517707.8081890256.92钢筋换算面积455.70117.277453443.31忽略∑18814.95—1571151.1181890256.9285.8363b1=250cmb1=300cm83.5055di=yjs-yi分块面积对截面形心的惯性矩Ip=Aidi2I=∑Ip+∑Iicmcm4cm4-2.585289146.32-97.788-3371448.14—-3282301.823.0967136569.67-96.75804266313.78—4402883.45di=yjs-yi分块面积对截面形心的惯性矩Ip=Aidi2I=∑Ip+∑Iicmcm4cm4-2.570288114.82-97.2495-3334418.52—-3246303.703.0807135135.88-96.25054221677.14—4356813.02di=yjs-yi分块面积对截面形心的惯性矩Ip=Aidi2I=∑Ip+∑Iicmcm4cm4-0.63547048.88跨中截面四分点截面支点截面65858681.1977991827.7665894679.3177945757.3376385196.46-31.4413-348712.90—-341664.020.838512908.06-33.7717519738.48—532646.5476385196.4682422903.46