烟道加固肋计算

算法一计算段：Inputdata:RedCalculateddata:Black1烟气量:1850238m3/h材料Q235-A.F2烟道尺寸:许用应力[σt]宽4.7m弹性模量E高7.4m3内压荷载：2.00kPa4道体厚度6mm5加固肋系数2.0内衬厚度6内衬材料密度:4g/cm3内衬材料厚度:0mm7保温容重:120kg/m3保温厚度:100mm8积灰密度ρF:4.000kN/m39雪载q4：0.400kPa10风载q5：0.400kPa11设计温度:150℃受力面烟气流速(m/s)截面宽度(mm)截面高度(mm)内压q0自重q1保温q2积灰q3顶面2.000-0.923-0.1290侧面2.000000底面2.0000.9230.1294.93顶Wa=4.70底Wa=面板设计荷载∑q(Kpa)强度条件加固肋净间距S0(m)刚度条件加固肋净间距S0(m)振动条件加固肋净间距S0(m)WaWa/2Wa/3WaWa/24.72.351.64.72.35强度条件计算Z值41.310.14.4157.938.6刚度条件计算I值114.013.84.01139.0137.828.51.70.328.51.714.7847007400项目烟道加固肋计算已知条件:基本数据设计荷载组合表kPa加固肋间距0.8278.2663.9401.2813.1361.483内压荷载2.000当量荷载∑qdl1.105S＝最小S0值1.105选定S(m)1.000β=2.63610.0751.904-1.1736.266横向加固肋α=1.574加固肋跨度L(m)振动条件计算I/G值见表T3.5Q=内撑竿根数n01201内撑竿长度W7.4007.4007.4001.9451.29619.425向内荷载（Kpa.m)∑q*S横向肋跨度L=W/(n+1)是否设加固肋纵向加固肋根数算法二顶Wa=4.70底Wa=WaWa/2Wa/3WaWa/24.702.351.574.702.35［10［200.001.002.000.001.00×3.062.04×30.58负压道体Qn正压道体Qn×2.351.57×2.35初选规格××内撑杆项目面板设计荷载∑q(Kpa)0.838.277.408.27内撑杆根数n内撑杆长度(m)内撑杆受力纵向加固肋向内荷载横向肋不失稳最大跨度Ls横向肋跨度L是否纵向肋纵向肋根数纵向肋规格/材质加固肋跨度L选定S(m)选定加固肋规格/材质选定规格/材质1.001.00加固肋设计荷载Q=∑qS应力控制初选肋规格频率控制初选肋规格修正加固肋规格1.081.00横向加固肋0.830.838.27加固肋间距加固肋净间距S0值选定内撑竿横向加固肋初选加固肋（T4）纵向肋0.827横向肋不失效最大跨度Ls(查表T3.6)选定加固肋I10内撑竿杆受力(KN)Pg内撑竿型式查表T3.7ProjectProj.-No.:preparedby:Date.:2020/5/18Revision:1115Mpa190Gpa雪载q4风载q5组合设计荷载当量荷载-0.400.280.83-1.17300.202.200.20000.288.2764.70侧Wb=7.4Wa/3WbWb/2Wb/31.67.43.702.4716.868.016.87.339.51197.2146.642.60.3178.010.82.1已知条件:设计荷载组合表kPa8.2662.2001.2812.4361.4832.2782.0001.1051.1051.0000.63510.0751.7371.9040.7686.2660.2001.57420127.4004.7004.70018.7368.1404.9984.70侧Wb=7.40按图T3.3-2选取取各面S0的最小值+0.05Wa/3WbWb/2Wb/31.577.403.702.47按图T3.4-6选取表T3.5综合应力频率要求平衡各面2.000.001.002.0020.39×5.173.45式T3.1-8按表T3.7选择均衡各面式T3.1-9式T3.1-10表T3.61.57×3.702.47LLs时设2.20××8.277.408.272.204.701.001.002.201.001.088.272.200I10