煙道加固筋計(jì)算表

,,,煙道加固肋計(jì)算,,,,,,,Project,,

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

算法一,,,計(jì)算段：,,,,,,,preparedby:,,

Inputdata:Red,,,,,,,,,,Date.:,2011/10/18,

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

已知條件:,,,,,,,,,,,,

1,煙氣量:,,1850238,m3/h,,材料,Q235-A.F,,,,,

2,煙道尺寸:,,,,,許用應(yīng)力,[σt],115,Mpa,,,

,寬,,4.7,m,,彈性模量,E,190,Gpa,,,

,高,,7.4,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:,,4.000,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,

14.78,4700,7400,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,2.000,0.923,0.129,4.93,0,0.28,8.27,6,

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項(xiàng)目,,,頂,Wa=,4.70,底,Wa=,4.70,側(cè),Wb=,7.4,

"加固肋

間距",面板設(shè)計(jì)荷載∑q(Kpa),,0.827,,,8.266,,,2.200,,,

,強(qiáng)度條件加固肋凈間距S0(m),,3.940,,,1.281,,,2.436,,,

,剛度條件加固肋凈間距S0(m),,3.136,,,1.483,,,2.278,,,

,振動條件加固肋凈間距S0(m),,1.105,,,,,,,,,

,S＝最小S0值,,1.105,,,,,,,,,

,選定S(m),,1.000,,,,,,,,,

"橫

向

加

固

肋",α=,,1.574,,,,,,0.635,,,

,β=,,1.904,,,,,,0.768,,,

,內(nèi)壓荷載,,2.000,,,,,,,,,

,當(dāng)量荷載∑qdl,,-1.173,,,6.266,,,0.200,,,

,Q=,,2.636,,,10.075,,,1.737,,,

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

,,,4.7,2.35,1.6,4.7,2.35,1.6,7.4,3.70,2.47,

,強(qiáng)度條件計(jì)算Z值,,41.3,10.1,4.4,157.9,38.6,16.8,68.0,16.8,7.3,

,剛度條件計(jì)算I值,,114.0,13.8,4.0,1139.0,137.8,39.5,1197.2,146.6,42.6,

,振動條件計(jì)算I/G值見表T3.5,,28.5,1.7,0.3,28.5,1.7,0.3,178.0,10.8,2.1,

,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)撐竿長度W,,,7.400,7.400,,7.400,7.400,,4.700,4.700,

,桿受力(KN)Pg,,,1.945,1.296,,19.425,18.736,,8.140,4.998,

,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",,0.827,,,,,,2.200,,,

,"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),,,,,,,,,,,

算法二,,,,,,,,,,,,

項(xiàng)目,,,頂,Wa=,4.70,底,Wa=,4.70,側(cè),Wb=,7.40,

"加固肋

間距",面板設(shè)計(jì)荷載∑q(Kpa),,0.83,,,8.27,,,2.20,,,

,加固肋凈間距S0值,,1.08,,,1.00,,,1.08,,,按圖T3.3-2選取

,選定S(m),,1.00,,,1.00,,,1.00,,,取各面S0的最小值+0.05

橫向加固肋,加固肋設(shè)計(jì)荷載Q=∑qS,,0.83,,,8.27,,,2.20,,,

,加固肋跨度L,,Wa,Wa/2,Wa/3,Wa,Wa/2,Wa/3,Wb,Wb/2,Wb/3,

,,,4.70,2.35,1.57,4.70,2.35,1.57,7.40,3.70,2.47,

,應(yīng)力控制初選肋規(guī)格,,［10,,,［20,,,,,,按圖T3.4-6選取

,頻率控制初選肋規(guī)格,,,,,,,,,,,表T3.5

,修正加固肋規(guī)格,,,,,,,,,,,綜合應(yīng)力頻率要求

,選定加固肋規(guī)格/材質(zhì),,,,,,,,,,,平衡各面

內(nèi)撐桿,內(nèi)撐桿根數(shù)n,,0.00,1.00,2.00,0.00,1.00,2.00,0.00,1.00,2.00,

,內(nèi)撐桿長度(m),,7.40,,,,,,4.70,,,

,內(nèi)撐桿受力,,×,3.06,2.04,×,30.58,20.39,×,5.17,3.45,式T3.1-8

,初選規(guī)格,,,,,,,,,,,按表T3.7選擇

,選定規(guī)格/材質(zhì),,,,,,,,,,,均衡各面

縱向加固肋,向內(nèi)荷載,負(fù)壓道體Qn,0.83,,,8.27,,,2.20,,,式T3.1-9

,,正壓道體Qn,×,,,×,,,×,,,式T3.1-10

,橫向肋不失穩(wěn)最大跨度Ls,,,,,,,,,,,表T3.6

,橫向肋跨度L,,×,2.35,1.57,×,2.35,1.57,×,3.70,2.47,

,是否縱向肋,,,,,,,,,,,L>Ls時(shí)設(shè)

,縱向肋根數(shù),,,,,,,,,,,

,縱向肋規(guī)格/材質(zhì),,,,,,,,,,,

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