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板厚(mm)抹灰层面载(kN/m2)装修层面载(kN/m2)板恒载(kN/m2)900.341.23.791000.341.24.041100.341.24.291200.341.24.541300.341.24.791400.341.25.041500.341.25.291600.341.25.541700.341.25.791800.341.26.041000.341.84.641100.341.84.891200.341.85.141300.341.85.391400.341.85.641500.341.85.891600.341.86.141700.341.86.391800.341.86.64层高(m)梁高(mm)墙体面载(kN/m2)梁上实墙荷载(kN/m)梁上开窗荷载(kN/m)梁上开门并开窗2.82003.28.325.824.992.83003.285.604.802.83503.27.845.494.702.84003.27.685.384.612.84503.27.525.264.51楼屋面荷载、梁墙荷载计算:活载荷q:本工程楼屋面设计活载根据使用要求确定,除特殊说明外均按《建筑结构荷载规范》(GBJ9-87)采用,楼屋面设计活载为:卧室、厅:1.5kN/m2,厨房、卫生间、梯间:2.0kN/m2,阳台:2.5kN/m2夹层:2.5kN/m2,上人屋面:1.5kN/m2,不上人屋面:0.7kN/m2恒载荷g:楼面按方块大理石面层:1.2kN/m2屋面按预制混凝土架空隔热层:1.8kN/m220厚空心砖砌体:3.2kN/m2层高3.0m,梁上开窗荷载按70%实墙荷载计算。楼屋面恒载g屋面楼面梁墙恒载g2.85003.27.365.154.422.85503.27.25.044.322.86003.27.044.934.222.86503.26.884.824.132.87003.26.724.704.03梯板踏步宽b(mm)踏步高h(mm)踏步数n板厚δ(mm)夹角α(度)cos(α)恒载标准值(kN/m2)活载标准值(kN/m2)荷载设计值(kN/m2)水平跨度(m)梯梁线载标准值(kN/m)跨中弯距(kN.m)钢筋强度等级配筋面积(mm2)实配钢筋(面积)TB130015010100270.8946.03.512.12.7013.612.36300610φ14@110(1399)TB228016010100300.8686.33.512.52.5213.111.38300562φ10@130(604)TB1w30015017170270.8948.03.514.54.8029.046.623001191φ14@125(1232)TB2w30015012120270.8946.63.512.83.3017.619.48300760φ10@100(785)梯板面荷载恒载标准值:(ι=n*b)+水磨石面层:n*(b+h)*δ0*ρ0/ι=0.65*(b+h)/b+踏步:n*0.5*b*h*25/ι=12.5*h+斜板:n*δ*25*b/cosα/ι=25*δ/cosα+板底抹灰:n*δ1*17*b/cosα/ι=0.34/cosα跨中弯距M=q*ι*ι/8/cosα配筋M/0.9/fy/(h-25)梯板荷载及配筋计算计算(按水磨石面层0.65kN/m2)
本文标题:楼屋面荷载、梁墙荷载计算计算
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