栏杆计算H

武汉嘉茂购物中心____________________________________________________________________________________________________________________栏杆计算栏杆计算6+6mm安全玻璃(透明)不锈钢立柱15x80x1.5mm200X200X10mm预埋钢板20x20mm不锈钢卡片直径30mm不锈钢驳接爪不锈钢扶手30x80x2mm1.荷载计算栏杆水平荷载:水平荷载标准值：qk0.5kNm1−⋅:=水平荷载设计值：q1.4qk0.7mkPa⋅=:=2.栏杆扶手计算栏杆扶手计算跨度：Lc1100mm:=扶手受到的弯矩：MqLc2⋅80.106kNm⋅=:=80x30x2mm不锈钢通截面尺寸：B80mm:=D30mm:=t2mm:=截面面积：ABD⋅B2t−()D2t−()−424mm2⋅=:=截面惯性矩：IBD3⋅12112B2t−()D2t−()3−68685.333mm4⋅=:=截面抵抗矩：W2ID4579.022mm3⋅=:=弹性模量：Es206000Nmm2−⋅:=抗弯强度设计值：fy220Nmm2−⋅:=立柱强度验算：σMW23.122Nmm2−⋅⋅=:=__________________________________________________________________________________________________________________________________________________________________第1页，共5页武汉嘉茂购物中心____________________________________________________________________________________________________________________栏杆计算σfy0.105=强度验算σfy1⎛⎝⎞⎠满足规范要求！=立柱挠度验算：fmax5qk⋅Lc4⋅384Es⋅I⋅0.674mm⋅=:=允许挠度：fallowLc2404.583mm⋅=:=fmaxfallow0.147=挠度验算fmaxfallow1⎛⎜⎝⎞⎟⎠满足规范要求！=3.立柱计算：玻璃栏杆立柱计算：立柱受到的集中荷载标准值：FkqkLc⋅0.55kN⋅=:=立柱受到的集中荷载标准值：F1.4Fk0.77kN⋅=:=扶手高度：a950mm:=立柱受到的弯矩：MFa⋅0.732kNm⋅⋅=:=2)80x15x1.5mm钢方通立柱截面尺寸：B15mm:=D80mm:=t1.5mm:=截面面积：ABD⋅B2t−()D2t−()−276mm2⋅=:=截面惯性矩：IBD3⋅12112B2t−()D2t−()3−1.835105×mm4⋅=:=截面抵抗矩：W2ID4586.675mm3⋅=:=弹性模量：Es206000Nmm2−⋅:=抗弯强度设计值：fy215Nmm2−⋅:=立柱强度验算：σM1.05W151.889Nmm2−⋅⋅=:=σfy0.706=强度验算σfy1⎛⎝⎞⎠满足规范要求！=立柱挠度验算：fmaxFka3⋅3EsI⋅4.159mm⋅=:=允许挠度：fallow2a2407.917mm⋅=:=fmaxfallow0.525=挠度验算fmaxfallow1⎛⎜⎝⎞⎟⎠满足规范要求！=__________________________________________________________________________________________________________________________________________________________________第2页，共5页武汉嘉茂购物中心____________________________________________________________________________________________________________________栏杆计算4.膨胀锚栓后置埋件计算4.1.荷载计算剪力设计值：Vx0kN:=VyqLc⋅0.77kN=:=VVy2Vx2+0.77kN⋅=:=拉力设计值：Nz0:=弯矩设计值：MxM0.732kNm⋅=:=锚栓直径锚栓直径M12=锚栓强度等级锚栓强度等级5.8级=锚栓数量:n4:=i03..:=x向边距：c1130mm:=c12600mm:=y向边距：c21145mm:=c22145mm:=x向间距：s1140mm:=y向间距：s2140mm:=__________________________________________________________________________________________________________________________________________________________________第3页，共5页武汉嘉茂购物中心____________________________________________________________________________________________________________________栏杆计算最小边距cminc11c12,c21,c22,()30mm⋅=:=最小间距smins1s2,()140mm⋅=:=锚栓坐标x0mm⋅s10mm⋅s1⎛⎜⎜⎜⎝⎞⎟⎟⎟⎠00.1400.14⎛⎜⎜⎜⎝⎞⎟⎟⎟⎠m⋅=:=y0m⋅0mms2s2⎛⎜⎜⎜⎝⎞⎟⎟⎟⎠000.140.14⎛⎜⎜⎜⎝⎞⎟⎟⎟⎠m⋅=:=锚栓群坐标形心xc0n1−ixi∑=n70mm⋅=:=yc0n1−iyi∑=n70mm⋅=:=锚栓群中心至受压一侧最外排锚栓的垂直距离：L0xyc70mm⋅=:=每个锚栓承受拉力分别为Nb_1NznMxyyc−()⋅0n1−iyiyc−()2∑=+2612.5−2612.5−2612.52612.5⎛⎜⎜⎜⎝⎞⎟⎟⎟⎠N⋅=:=NSd_hNznMxyn1−yc−()⋅0n1−iyiyc−()2∑=+2.612kN⋅=:=锚栓承受最大拉力受剪方向边距c22145mm⋅=hef110mm⋅=有效埋深锚栓排数nl2:=受剪锚栓个数nvifc2210hef≥n,nnl,⎛⎝⎞⎠2=:=锚栓承受的最大剪力设计值：VSd_hVnv385N=:=总剪力设计值：VSd_gV770N=:=4.2.锚栓校核4.2.1拉力承载力计算fstk500Nmm2⋅=极限抗拉强度标准值：屈服抗拉强度标准值：fyk400Nmm2⋅=__________________________________________________________________________________________________________________________________________________________________第4页，共5页武汉嘉茂购物中心____________________________________________________________________________________________________________________栏杆计算钢材破坏受拉承载力分项系数：γRS.Nmax1.2fstkfyk1.4,⎛⎜⎝⎞⎟⎠1.5=:=锚栓应力截面积：AS84.3mm2⋅=NRk.sASfstk⋅42.15kN⋅=:=NRk.s38.1kN⋅:=锚栓受拉承载力标准值：NRd.sNRk.sγRS.N25.4kN⋅=:=锚栓受拉承载力设计值：因此NSd_hNRd.s1≤⎛⎜⎝⎞⎟⎠满足要求！=4.2.2剪力承载力计算fstk500Nmm2⋅=极限抗拉强度标准值：屈服抗拉强度标准值：fyk400Nmm2⋅=钢材破坏受拉承载力分项系数：γRS.Vmax1.2fstkfyk1.25,⎛⎜⎝⎞⎟⎠1.5=:=锚栓应力截面积：AS84.3mm2⋅=锚栓受剪承载力标准值：VRk.s0.5ASfstk⋅21.075kN⋅=:=锚栓受拉承载力设计值：VRd.sVRk.sγRS.V14.05kN⋅=:=受剪承载力设计值：VRd.s14.05kN⋅=VSd_hVRd.s0.027=因此VSd_hVRd.s1≤⎛⎜⎝⎞⎟⎠满足要求！=__________________________________________________________________________________________________________________________________________________________________第5页，共5页