柱、梁、板最小配筋面积.doc

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1、板最小配筋面积（2）fy=210N/2板厚()C20C25C30C35C40as=20as=20as=20as=20as=20min=0.2357%min=0.2722%min=0.3064%min=0.3364%min=0.3664%6094.28108.88122.56134.56146.5670117.85136.10153.20168.20183.2080141.42163.32183.84201.84219.8490165.0190.54214.48235.48256.48100188.6217.76245.12269.12293.12110212.13244.98275.76302

2、.76329.76120235.7272.20306.40336.40366.40130259.3299.42337.04370.04403.04140283.0326.64367.68403.68439.68150306.4353.86398.32437.32476.32160329.98381.08428.96470.96512.96170353.55408.30459.60504.60549.60180377.12435.52490.24538.24586.24190400.69462.74520.88571.88622.88200424.26489.96551.52605.52659.

3、52250542.11626.06704.72773.72842.72300659.96762.16857.92941.921025.92板最小配筋面积（2）fy=300N/2板厚()C20C25C30C35C40as=20as=20as=20as=20as=20min=0.2%min=0.2%min=0.2145%min=0.2355%min=0.2565%60808085.8094.2102.6070100100107.25117.75128.2580120120128.70141.30153.9090140140150.15164.85179.55100160160171.6188.40

4、205.20110180180193.05211.95230.85120200200214.50235.50256.50130220220235.95259.05282.15140240240257.40282.60307.80150260260278.85306.15333.45160280280300.30329.70359.10170300300321.75353.25384.75180320320343.20376.80410.40190340340364.65400.35436.05200360360386.10423.90461.70250460460493.35541.65589

5、.95300560560600.60659.40718.20min=45ft/fy(%) =As/b*h0梁最小配筋率 fy=210N/2C20C25C30C35C40as=35as=35as=35as=35as=35min=0.2357%min=0.2722%min=0.3064%min=0.3364%min=0.3664%双排筋as=60 =As/b*h0梁最小配筋率 fy=300N/2C20C25C30C35C40as=35as=35as=35as=35as=35min=0.2%min=0.2%min=0.2145%min=0.2355%min=0.2565%双排筋as=60 =As/b

6、*h0梁最小配箍率（%） =As/b*h0混凝土标号HPB235（Q235） fyv=210N/2HRB335 fyv=300N/2一般梁三四级框架梁受弯剪扭梁一般梁三四级框架梁受弯剪扭梁0.24*ft/ fyv0.26*ft/ fyv0.28*ft/ fyv0.24*ft/ fyv0.26*ft/ fyv0.28*ft/ fyvC200.1260.13630.1470.0880.09550.103C250.14520.15730.1700.1020.1100.119C300.16350.17710.1910.11450.1240.1336C350.1800.1950.2100.1260.1360.147C400.1960.2120.2280.1370.1480.160柱全部纵筋最小配筋率（%）柱类型抗震等级一级二级三级四级框架中边柱1.00.80.70.6框架角柱1.21.00.90.8非框架柱0.6柱每一侧的配筋百分率0.2% 当柱主筋配筋率3%时柱筋直径8柱箍筋加密区最小体积配箍率（%）抗震等级一级二级三级四级0.80.60.40.4vvfc/fyv柱筋非加密区配箍率不小于加密区的一半，箍筋间距对一二级抗震等级10d, 箍筋间距对三四级抗震等级15d，d为柱中主筋直径较小者