压型钢板组合楼板设计计算表格

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无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8@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Iscm4Wscm326.8976.381.2678969622651200HRB40020026Q345C3021-YX51-226-678-1.2开口型选择列表中的YX200183.5非住宅50.05.00845078002500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-YX51-226-678-0.820-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自定义闭口型147.9033.61123.2528.01110.9325.2198.6022.4166.7019.28缩口型14.6382.3023.96开口型53.50142.0136.98带刻痕119.3830.6191.6223.4676.3826.8920064.5520.691852.8016.453.591.4525.74116.7533.855.067.5218.3465.5620.5652.3916.2039.4511.96128.1935.96100.6427.3776.5720.31151.8439.39119.3029.9989.9021.95151.4836.01118.7627.4489.3120.10186.1547.32154.4239.47121.9331.53型号Iefcm4/mWefcm3/mblminmm3ApIs76.38W26.89d2.8405YX51-226-678-1.2519622623534.402119614.401401401769.914.4014017654.40140156915153.4612718183.4312712123.6612714017443.8414014533.909611633.9114017702.843.219614753.129611803.55110166720003.4511013513333.6811016003.1913513333.2313510673.305020003.565016673.683.855813333.775020004.105816673.985813338819134.218815944.338812754.448819133.938815943.9188形心至下表面的距离cm12753.87Amm2/m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=2.5m板垂直于肋方向的跨度：Ly=7.8m压型钢板顶面上砼厚度：hc=84mm楼板面层厚度：ha=0mm3、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：YX51-226-678-1.2压型钢板面积:Ap=1769.91mm²/m形心至上边缘的距离为：2.84mm截面惯性矩：Is=76.38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：5kN/mm²楼面活荷载：3.5kN/mm²施工荷载：50kN/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***不满足承载力要求压型钢板-混凝土组合楼盖设计25225274.2Q345300C3014.357.98.07工程名称：日期：2.5300001.43HRB400360B-14cmm连续板支座处M=QL²/10=kNmf·Wt=kNm***不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=13.9mm且20mm***不满足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=14.48×2.5²/8=kNm支座截面弯矩M=QLx²/10=14.48×2.5²/10=kNm支座截面剪力V=QLx/2=14.48×2.5/2=kNξb=β1/(1+f/Eε)=0.8/(1+300/(190000×0.0033))=对于跨中截面：x=(Aa·f+As·fy)/(fc·b)=(1769.9×300+252×360)/(14.3×1000)=mmξb·ho=mm，且hc=84mm取x=mmMu=fc·b·x(ho-x/2)=kNmM=11.31kNm满足抗弯要求对于支座截面：bmin=96×1000/226=mmx=As·fy/(fc·b)=(252×360)/(14.3×424.8)=mmξb·ho=mmMu=As·fy(ho-x/2)=kNmM=9.05kNm***不满足抗弯要求Vu=0.7ft·bmin·ho=kNV=18.1kNm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=12.5mm满足要求1.9713196.7160922413.89.7441.918987.70.016638.98.9845.36.3364.743.552.842514.957.718.100.541143.557.75317814.4811.3146.310.19.054cm4cm4cm