,,,煙道加固肋計(jì)算,,,,,,,Project,

,,,,,,,,,,Proj.-No.:,

,,,計(jì)算段：,,,,,,,preparedby:,

Inputdata:Red,,,,,,,,,,Date.:,2007/10/22

Calculateddata:Black,,,,,,,,,,Revision:,1

已知條件:,,,,,,,,,,,

1,煙氣量:,,4804820,m3/h,,材料,Q235-A.F,,,,

2,煙道尺寸:,,,,,許用應(yīng)力,[σt],112,Mpa,,

,寬,,11.7,m,,彈性模量,E,192,Gpa,,

,高,,7.5,m,,,,,,,

3,內(nèi)壓荷載：,,2.00,kPa,,,,,,,

4,道體厚度,,6,mm,,,,,,,

5,加固肋系數(shù),,2.0,,,,,,,,

,內(nèi)襯厚度,,,,,,,,,,

6,內(nèi)襯材料密度:,,4,g/cm3,,,,,,,

,內(nèi)襯材料厚度:,,0,mm,,,,,,,

7,保溫容重:,,120,kg/m3,,,,,,,

,保溫厚度:,,100,mm,,,,,,,

8,積灰密度ρF:,,10.000,kN/m3,,,,,,,

9,雪載q4：,,0.400,kPa,,,,,,,

10,風(fēng)載q5：,,0.400,kPa,,,,,,,

11,設(shè)計(jì)溫度:,,150,℃,,,,,,,

基本數(shù)據(jù),,,受力面,設(shè)計(jì)荷載組合表kPa,,,,,,,

煙氣流速(m/s),截面寬度(mm),截面高度(mm),,內(nèi)壓q0,自重q1,保溫q2,積灰q3,雪載q4,風(fēng)載q5,組合設(shè)計(jì)荷載,當(dāng)量荷載

15.21,11700,7500,頂面,2.000,-0.923,-0.129,0,-0.40,0.28,0.83,-1.173

,,,側(cè)面,2.000,0,0,0,0,0.20,2.20,0.200

,,,底面,2.000,0.923,0.129,12.50,0,0.28,15.83,14

,,,,,,,,,,,,

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項(xiàng)目,,,頂,Wa=,11.70,底,Wa=,11.70,側(cè),Wb=,7.5

"加固肋

間距",面板設(shè)計(jì)荷載∑q(Kpa),,0.827,,,15.833,,,2.200,,

,強(qiáng)度條件加固肋凈間距S0(m),,3.889,,,0.928,,,2.405,,

,剛度條件加固肋凈間距S0(m),,3.147,,,1.208,,,2.286,,

,振動(dòng)條件加固肋凈間距S0(m),,1.108,,,,,,,,

,S＝最小S0值,,0.928,,,,,,,,

,選定S(m),,0.900,,,,,,,,

"橫

向

加

固

肋",α=,,0.641,,,,,,1.560,,

,β=,,0.770,,,,,,1.874,,

,內(nèi)壓荷載,,2.000,,,,,,,,

,當(dāng)量荷載∑qdl,,-1.173,,,13.833,,,0.200,,

,Q=,,0.331,,,13.835,,,3.552,,

,加固肋跨度L(m),,Wa,Wa/2,Wa/3,Wa,Wa/2,Wa/3,Wb,Wb/2,Wb/3

,,,11.7,5.85,3.9,11.7,5.85,3.9,7.5,3.75,2.50

,強(qiáng)度條件計(jì)算Z值,,33.4,8.3,3.6,1397.2,346.3,152.6,146.7,36.2,15.9

,剛度條件計(jì)算I值,,1597.0,197.1,57.6,30555.8,3770.5,1102.8,1110.3,136.0,39.5

,振動(dòng)條件計(jì)算I/G值見表T3.5,,1111.7,68.3,13.3,1111.7,68.3,13.3,185.9,11.3,2.2

,初選加固肋（T4）,,,,,,,,,,

,選定加固肋,,I10,,,,,,,,

"內(nèi)

撐

竿",內(nèi)撐竿根數(shù)n,,0,1,2,0,1,2,0,1,2

,內(nèi)撐竿長(zhǎng)度W,,,7.500,7.500,,7.500,7.500,,11.700,11.700

,桿受力(KN)Pg,,,4.357,2.904,,83.358,32.298,,7.425,4.559

,內(nèi)撐竿型式查表T3.7,,,,,,,,,,

,選定內(nèi)撐竿,,,,,,,,,,

"縱

向

肋","向內(nèi)荷載（Kpa.m)

∑q*S",,0.745,,,,,,1.980,,

,"橫向肋不失效最大跨度

Ls(查表T3.6)",,,,,,,,,,

,"橫向肋跨度

L=W/(n+1)",,,,,,,,,,

,是否設(shè)加固肋,,,,,,,,,,

,縱向加固肋根數(shù),,,,,,,,,,

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