几何信息平行肋方向跨度(次梁间距)Lx[mm]垂直肋方向跨度(主梁间距)Ly[mm]压型钢板的支撑长度L2[mm]钢板顶面以上浇筑砼厚度hc[mm]楼面找平层厚度[mm]荷载信息施工阶段使用阶段施工荷载标准值[kN/m²]面层及吊顶荷载标准值[kN/m²]施工时临时支撑设置无支撑活载标准值[kN/m²]组合楼板使用环境有无局部荷载线荷载局部线荷载标准值[kN/m]bp=材料信息砼强度等级压型钢板截面砼容重[kN/m3]钢材牌号钢筋型号板上钢筋直径、间距无@板下钢筋直径、间距8@板高mm肋距mm槽宽mm肋宽mm板宽mm板厚mm惯性矩Iscm4Wscm3240030006550204.01.5住宅102.5200选择列表中的YXC308-YX75-200-600-1.0开口型HRB40020026Q23520051962266789676.381.226.89组合楼板设计1-YX75-230-690(Ⅰ)-0.8Ⅰ有刻痕2-YX75-230-690(Ⅰ)-1.0Ⅱ无刻痕3-YX75-230-690(Ⅰ)-1.24-YX75-230-690(Ⅱ)-0.85-YX75-230-690(Ⅱ)-1.06-YX75-230-690(Ⅱ)-1.27-YX75-200-600-0.88-YX75-200-600-1.09-YX75-200-600-1.210-YX70-200-600-0.811-YX70-200-600-1.012-YX70-200-600-1.213-YX51-250-750-0.814-YX51-250-750-1.015-YX51-250-750-1.216-YX60-200-600-0.817-YX60-200-600-1.018-YX60-200-600-1.219-YX51-226-678-0.8mm20-YX51-226-678-1.021-YX51-226-678-1.222-YX76-344-688-0.823-YX76-344-688-1.024-YX76-344-688-1.225-YX51-165-660-0.826-YX51-165-660-1.027-YX51-165-660-1.228-BD65-170-510-0.829-BD65-170-510-0.930-BD65-170-510-1.031-BD65-170-510-1.2自定义121.9331.53型号Iefcm4/mWefcm3/m154.4239.4789.3120.10186.1547.32151.4836.01118.7627.4489.9021.95151.8439.39119.3029.9976.5720.31128.1935.96100.6427.3752.3916.2039.4511.961.567.5218.3465.5620.56116.7533.851052.8016.452.591.4525.7420064.5520.6991.6223.4676.3826.89142.0136.98带刻痕119.3830.61开口型53.5082.3023.9698.6022.4166.7019.28缩口型14.63110.9325.21123.2528.01闭口型147.9033.61blminmm2ApIs119.3W29.99d3.978YX75-200-600-1.07558200形心至下表面的距离cm12753.87Amm2/m3.938815943.91884.338812754.448819138819134.218815943.9858133320004.1058166716673.683.855813333.775010673.305020003.565016003.1913513333.2313513513333.6811020003.4511011803.55110166717702.843.219614753.129614533.909611633.9114014017443.8414012123.6612712718183.43127156915153.464.4014017654.4014023534.40819614.401401401666.67一、构件编号:二、示意图:三、基本资料:1、设计依据《建筑结构荷载规范》GB50009-2012《混凝土结构设计规范》GB50010-2010《钢结构设计规范》GB50017-2003《组合结构设计规范》JGJ138-20162、几何参数板顺肋方向的跨度:Lx=2.4m板垂直于肋方向的跨度:Ly=3m压型钢板顶面上砼厚度:hc=65mm楼板面层厚度:ha=20mm3、材料信息压型钢板材料:压型钢板强度设计值:f=N/mm²混凝土强度等级:混凝土抗压强度:fc=N/mm²Ec=N/mm²混凝土抗压强度:ft=N/mm²钢筋强度等级:钢筋强度设计值:fy=N/mm²保护层厚度:c=15mm4、压型钢板及钢筋截面信息压型钢板型号:YX75-200-600-1.0压型钢板面积:Ap=1666.67mm²/m形心至上边缘的距离为:3.98mm截面惯性矩:Is=119.3板下部钢筋面积:As=mm²板上部钢筋面积:As=mm²5、荷载信息面层及吊顶荷载:1.5kN/mm²楼面活荷载:2.5kN/mm²施工荷载:4kN/mm²四、计算过程:1、施工阶段验算荷载设计值Q=1.2g+1.4q=kN/m²计算跨度L=Lx=m跨中截面弯矩M=QL²/8=kNmf·Wb=kNm***不满足承载力要求工程名称:日期:2.4300001.43HRB400360B-1Q235205C3014.36.836.1525209.49压型钢板-混凝土组合楼盖设计4cmm连续板支座处M=QL²/10=kNmf·Wt=kNm满足承载力要求荷载标准值Q=g+q=kN/m²跨中挠度f=M·L²/10EI=mmL/180=13.3mm且20mm满足2、组合板使用阶段设计1承载力验算计算宽度取1m荷载设计值Q=max{1.2g+1.4q;1.35g+1.0q}=kN/m²跨中截面弯矩M=QLx²/8=8.66×2.4²/8=kNm支座截面弯矩M=QLx²/10=8.66×2.4²/10=kNm支座截面剪力V=QLx/2=8.66×2.4/2=kNξb=β1/(1+f/Eε)=0.8/(1+205/(190000×0.0033))=对于跨中截面:x=(Aa·f+As·fy)/(fc·b)=(1666.7×205+252×360)/(14.3×1000)=mmξb·ho=mm,且hc=65mm取x=mmMu=fc·b·x(ho-x/2)=kNmM=6.23kNm满足抗弯要求对于支座截面:bmin=58×1000/200=mmx=As·fy/(fc·b)=(0×360)/(14.3×290)=mmξb·ho=mmMu=As·fy(ho-x/2)=kNmM=4.99kNm***不满足抗弯要求Vu=0.7ft·bmin·ho=kNV=10.39kNm满足抗剪要求2挠度验算不应大于L/200α=Es/Ec=ycc=mmycs=mmIu=ρs=ycc=mmIc=Ieq=B=0.5EcIeq=kNm²荷载准永久值Q=g+0.5q=kN/m²挠度f=M·Lx²/10B=mmLx/200=12mm满足要求3、局部荷载下承载力验算局部荷载的有效工作宽度be=bw+0.5Lx=mm有效宽度范围内荷载设计值Q=kN/m²有效宽度跨中弯矩M=QLx²/8=kNm有效高度ho=mm受压区高度x=mmξb·ho=mm所需钢筋面积As=mm²0无需另外配置钢筋5.476.944.9910.390.602930.260.46.812.48.666.23029.16.3359.930.236.8290060.4143822157.35.5540.417078.30.016636.61008.5560.4-609.31.07157016.311.711685.14cm4cm4cm