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1、左平台:12.400kN/m斜梯段:15.537kN/m右平台:12.400kN/m准永久值(qe):左平台:7.250kN/m斜梯段:9.663kN/m右平台:7.250kN/n内力计算:乩楼梯板:矩阵位移法求解。3计算结果I计算说明:(a)简化方法:取板沿着宽度方向单位长度的板带(b)计算方法:矩阵位移法单位说明:弯矩:kN.m/m剪力:kN/m挠度:mm纵筋面枳:mg截面尺寸:rXnn裂i:Imn板段配筋计算结果:计算板段-1(左内延长):截面BXH=1000X160截面:左中右弯矩(V):-0.00016.58816.588剪力(V):31.36627.64623.926截面验算:Vm
2、ax=31.37kN0.70hftbh0=140.14kN截面满足上部计算纵筋(As):0.0000.0000.000下部计算纵筋(s):320.000339.487339.487上纵实配:E8200(251,0.16%)E88200(251,0.16%)下纵实配:E12150(754,0.47%)E12015O(754,0.47%)E12150(754,0.47%)裂缝(w):0.0000.0290.029裂缝限值:=0.3Oran验算结论:3z=0.029mm=0.30mm:,满足。计算板段-2(斜梯段):截面BXH=1000X160截面:左中右弯矩W:16.58835.01116.588
3、剪力(V):20.6570.000-20.657截面验算:Vmax=20.66kN0.7hftbhO=14O.14kN截面满足上部计算纵筋(As):0.0000.0000.000下部计算纵筋(As):339.487744,504339.487上级实配:E8200(251,0.16%)E8200(251,0.16%)下纵实配:E12150(754,0.47%)E129150(754,0.47%)E12e150(754,0.47%)挠度限值:f=23.84g验算结论:f-x=0.90*23.93=21.54mmf=23.84(4767/200),满足。裂缝(w):0.0290.1670.029裂缝
4、限值:3=0.3Oran现浇板式普通楼梯设计(TBM)项目名称构件编号日期设计校对审核执行规范:混凝土结构设计规范(GB50010-2010)(2015版)、本文简称混凝土规范建筑结构荷载规范(GB500092012).本文简称荷载规能钢筋:d-HPB300;E-HRB400I已知条件:几何信息:左标鬲=O.00Om;右标高=1.80Om平台长度(左)=0In1n;平台长度(右)=0Inm平台厚度(左)=16On1n;平台厚度(右)=160mm内延长(左)-500mm;内延长(右)=500mm平台梁尺寸:Bj=200mm:压=40OmmB产20Omm;Hi=400梯段长度=4080mm;踏步数
5、=12梯板厚度-160mm;梯跨长度1O=2900nm,梯井宽:10Omm平面类型:双跑荷旗信息:附加恒荷载=1.500kNm2活荷载:3.500kNm2恒载分项系数:1.3;活载分项系数:1.5;活载调整系数:=I.00活载准永久值系数:05混凝上等级:C30,f=14.30N2混凝土容垂:25.00kNm配筋调整系数:1.00:纵筋保护以厚度:c-15mn板纵筋等级:HRB400;fy=360Nmm梁纵筋等级:HRB400:r=360NZmmj梁箍筋等级:HRB400:fy=360NZmm2验算信息:挠度限值:200;裂缝限值:0.30mm计算要求:D楼梯板计算:2)平台梁计算;3)板裂缝
6、验算:4)板挠度验算2荷载与内力计算:(1)有载计算标准值(qk):左平台:9.000kN/m斜梯段:11.413kN/右平台:9.000kN/m设计值(q):酰峨用性位移图:验算结论:m,=0.i67mn=0.30ran,满足。计算板段-3(右内延长):截面BXH=1000X160截面:左中右弯矩(M):剪力(V):截面验算:16.58816.588-Q.OOO-23.926-27.646-31.366Vmax=31.37kNOJBhftbhO=MSMkN截面满足上部计算纵筋(As):0.0000.OOO0.OOO下部计算纵筋(As):339.487339.487320.OOO上纵实配:网200(251,0.16%)ES200(251,0.16%)下纵实配:裂缝(w):裂缝限值:验算结论:E1Oe230(341,0.21%)E109230(341.0.21%)E109230(341,0.21%)0.1570.1570.000=0.30mmw,=0.157n=0.30mm,满足O弯矩和剪力图:挠度、裂缝图:配筋筒图:【理正结构设计工具箱软件7.0PB4SP21计算日期:2023-08-1720:36:33