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1、鋼筋混凝土課程設(shè)計(jì)報(bào)告題 目:_先張法預(yù)應(yīng)力鋼筋混凝土_ _疊合式起重機(jī)軌道梁設(shè)計(jì)_學(xué)生姓名:_ _學(xué) 號(hào):_指導(dǎo)老師:_ _設(shè)計(jì)地點(diǎn):_ _交通學(xué)院港航系目錄一、設(shè)計(jì)遵循的主要規(guī)范標(biāo)準(zhǔn)3二、梁格布置及尺寸擬定3三、荷載標(biāo)準(zhǔn)值4四、材料性能5五、計(jì)算圖式及荷載計(jì)算5六、內(nèi)力計(jì)算6七.截面設(shè)計(jì)17一、設(shè)計(jì)遵循的主要規(guī)范標(biāo)準(zhǔn) 1.中華人民共和國行業(yè)標(biāo)準(zhǔn) 高樁碼頭設(shè)計(jì)與施工規(guī)范(jts16712010). 北京:人民交通出版社,20102.中華人民共和國行業(yè)標(biāo)準(zhǔn) 港口工程荷載規(guī)范(jtj21598). 北京:人民交通出版社,19983.中華人民共和國行業(yè)標(biāo)準(zhǔn) 港口工程混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范(jtj267

2、98). 北京:人民交通出版社,19984.中華人民共和國行業(yè)標(biāo)準(zhǔn) 港口工程制圖標(biāo)準(zhǔn)(jtj20696). 北京:人民交通出版社,1996二、梁格布置及尺寸擬定1.梁格布置原則梁格布置應(yīng)滿足以下原則: 滿足使用要求;技術(shù)及經(jīng)濟(jì)合理;盡量避免集中荷載直接作用在板上,板和梁盡量布置成等跨度;橫梁與面板是不可少的上部結(jié)構(gòu),縱梁設(shè)置(數(shù)量)則由具體受力決定。2.結(jié)構(gòu)型式某海港高樁板梁式碼頭,排架間距7.0m,下部樁基為600600mm2預(yù)應(yīng)力混凝土方樁。上部結(jié)構(gòu)為現(xiàn)澆倒t形橫梁、非預(yù)應(yīng)力鋼筋混凝土縱梁、預(yù)應(yīng)力鋼筋混凝土花籃形疊合式起重機(jī)軌道梁、非預(yù)應(yīng)力鋼筋混凝土疊合式面板。高樁板梁式碼頭斷面見圖1。圖

3、1 高樁板梁式碼頭斷面圖(尺寸單位:mm;高程單位:m) 橫梁上部寬度400mm,高度1950mm,橫梁下部寬度900mm,高度600mm.軌道梁寬度為500mm,其中牛腿寬度取150mm,高度為1800mm,簡支時(shí)擱置長度250mm。軌道梁為預(yù)應(yīng)力芯棒疊合梁結(jié)構(gòu),經(jīng)過兩次預(yù)制和一次現(xiàn)澆疊合后成型,芯棒高度取梁寬,現(xiàn)澆部分高度取200mm。鋼筋混凝土疊合式面板的厚度為預(yù)制部分厚200 mm,現(xiàn)澆部分150 mm。磨耗層厚50 mm(素混凝土)(縱、橫梁及面板示意圖見圖2)。圖2 縱、橫梁及面板示意圖三、荷載標(biāo)準(zhǔn)值施工期:均布荷載:q=2.5kpa。使用期:均布荷載:q=20.0kpa。門機(jī)國產(chǎn)

4、門座式起重機(jī)荷載代號(hào)mh-3-25標(biāo)準(zhǔn)值見表1,支腿豎向荷載標(biāo)準(zhǔn)值見表2,吊臂位置見圖3。兩臺(tái)mh-3-25門座式起重機(jī)同時(shí)作業(yè),工作狀態(tài)下的支腿最大豎向荷載,軌距10.5m,支腿縱向距離10.5m,按吊臂位置在狀態(tài)下的輪壓,在狀態(tài)下的輪壓。表1國產(chǎn)門座式起重機(jī)荷載代號(hào)mh-3-25標(biāo)準(zhǔn)值最大起重量(t)最大幅度(m)自重(t)軌距(m)支腿縱距(m)荷載p(kn)兩機(jī)最小距離(m)荷載計(jì)算圖式(間距單位:m)102514510.510.52501.5表2 國產(chǎn)門座式起重機(jī)在工作狀態(tài)下的支腿豎向荷載標(biāo)準(zhǔn)值(代號(hào)mh-3-25)吊臂位置1吊臂位置2吊臂位置3abcdabcdabcd660kn66

5、0kn240kn240kn750kn450kn150kn450kn660kn240kn240kn660kn圖3 吊臂位置四、材料性能1.軌道梁混凝土預(yù)應(yīng)力芯棒c40,第二次預(yù)制部分c30,現(xiàn)澆部分c25?;炷翉?qiáng)度及性能指標(biāo)見表3。2.軌道梁鋼筋預(yù)應(yīng)力鋼筋:冷拉級(jí);非預(yù)應(yīng)力鋼筋:級(jí);構(gòu)造鋼筋:級(jí)。鋼筋等級(jí)及性能指標(biāo)見表4。3.鋼筋混凝土重度25kn/m3。表3 混凝土強(qiáng)度及性能指標(biāo)(n/mm2)性能指標(biāo)mpa混凝土 強(qiáng)度等級(jí)標(biāo)準(zhǔn)值設(shè)計(jì)值彈性模量ecfckftkfcft芯棒c40272.4519.51.83.25104預(yù)制部分c30202.0015.01.53.00104現(xiàn)澆部分c25171.7

6、512.51.32.80104表4 鋼筋等級(jí)及性能指標(biāo)鋼筋種類標(biāo)準(zhǔn)值(mpa)設(shè)計(jì)值(mpa)彈性模量esfyk(fpk)fy(fpy)fy(fpy)預(yù)應(yīng)力鋼筋冷拉iii級(jí)5004203601.8105非預(yù)應(yīng)力鋼筋ii級(jí)3353103102.0105構(gòu)造鋼筋i級(jí)2352102102.1105五、計(jì)算圖式及荷載計(jì)算(1)計(jì)算圖式說明1.施工期支座處斷開,按簡支梁計(jì)算(具體圖示見后文)。2.使用期支座處整體連接,按五跨剛性支承連續(xù)梁計(jì)算(具體圖示見后文)。(2)計(jì)算跨度 簡支梁:剪力計(jì)算中:loln=6050mm彎矩計(jì)算中:loln+e=6300mm式中:lo計(jì)算跨度(m),不大于1.05 ln

7、ln凈跨(m) e擱置長度(m)2.剛性支承:剪力計(jì)算中:loln=6050mm彎矩計(jì)算中:b20.05l時(shí),取lol b20.05l時(shí),取lo1.05ln因?yàn)閎2=950mm0.05l=350mm,故lo=1.056050=6352.5mm式中:ln凈跨,l橫梁中心距 b2縱梁支座(下橫梁)寬度(3)荷載計(jì)算 1.長度軌道梁承受的總自重標(biāo)準(zhǔn)值gg=25ac=25(2-0.15+3.5)/20.35+(50110+1515+1580)=40.72(kn/m) 2.可變荷載標(biāo)準(zhǔn)值 (1)施工均布荷載q產(chǎn)生的標(biāo)準(zhǔn)值q1q1= qb1=2.5(2.000.153.50)2=6.69(kn/m) (2

8、)滿布堆貨荷載q產(chǎn)生的標(biāo)準(zhǔn)值q2 q2 = qb2 =20(2.000.153.50)2=107(kn/m) (3)局布堆貨荷載產(chǎn)生的標(biāo)準(zhǔn)值q3 q3= qb3 =200.75=15(kn/m) (4)門座式起重機(jī)產(chǎn)生的標(biāo)準(zhǔn)值q見表1和表2。六、內(nèi)力計(jì)算施工期間:1.軌道梁承受的總自重標(biāo)準(zhǔn)值g的作用按簡支梁計(jì)算,計(jì)算簡圖見圖4,彎矩設(shè)計(jì)值m1g、剪力設(shè)計(jì)值v1g計(jì)算結(jié)果見表5。圖4 簡支梁計(jì)算圖式表5 彎矩剪力設(shè)計(jì)值(施工期永久荷載)截面彎矩(knm)支座剪力(kn)2164.32a186.444246.485308.108164.32-186.44b012164.32186.4415308.

9、1018164.32-186.44c022164.32186.4425308.10 2. 施工均布荷載產(chǎn)生的標(biāo)準(zhǔn)值q1作用按簡支梁計(jì)算,計(jì)算簡圖見圖5,彎矩設(shè)計(jì)值m1q、剪力設(shè)計(jì)值v1q計(jì)算結(jié)果見表6。圖5 簡支梁計(jì)算圖式表6 彎矩剪力設(shè)計(jì)值(施工均布荷載)截面彎矩(knm)支座剪力(kn)236.26a34.29454.39556.66836.26-34.29b01236.2634.291556.661836.26-34.29c02236.2634.292556.66 使用期間: 1. 滿布堆貨荷載產(chǎn)生的標(biāo)準(zhǔn)值q2作用按五跨剛性支承連續(xù)梁計(jì)算,采用影響線法,計(jì)算簡圖見圖6,內(nèi)力設(shè)計(jì)值m2q1

10、、v2q1計(jì)算結(jié)果見表7。圖6連續(xù)梁計(jì)算圖式 彎矩計(jì)算:截面2: (i)max=0.0666+0.0026+0.0002=0.0694,(i)min=-0.0098-0.0007=-0.0105,mmax=1.5q2(i)max=0.06944115.53=285.62(knm)mmin=1.5q2(i)min=-0.01054115.53=-43.21(knm)截面4: (i)max=0.0932+0.0053+0.0005=0.0990,(i)min=-0.0196-0.0014=-0.0210,mmax=1.5q2(i)max=0.09324115.53=383.57(knm)mmin=

11、1.5q2(i)min=-0.02104115.53=-86.43(knm)截面5: (i)max=0.0915+0.0066+0.0006=0.0987,(i)min=-0.0245-0.0018=-0.0263,mmax=1.5q2(i)max=0.09874115.53=406.20(knm)mmin=1.5q2(i)min=-0.02634115.53=-108.24(knm)截面8: (i)max=0.0266+0.0105+0.0010=0.0381,(i)min=-0.0002-0.0392-0.0029=-0.0423,mmax=1.5q2(i)max=0.03814115.5

12、3=156.80(knm)mmin=1.5q2(i)min=-0.04234115.53=-174.09(knm)截面b: (i)max=0.0132+0.0012=0.0144,(i)min=-0.0670-0.0490-0.0036=-0.1196,mmax=1.5q2(i)max=0.01444115.53=59.26(knm)mmin=1.5q2(i)min=-0.11964115.53=-492.22(knm)截面12: (i)max=0.0300,(i)min=-0.0500,mmax=1.5q2(i)max=0.03004115.53=123.47(knm)mmin=1.5q2(

13、i)min=-0.05004115.53=-205.78(knm)截面15: (i)max=0.0735+0.0054=0.0789,(i)min=-0.0245-0.0197-0.0018=-0.0460,mmax=1.5q2(i)max=0.07894115.53=324.72(knm)mmin=1.5q2(i)min=-0.04604115.53=-189.31(knm)截面18: (i)max=0.0272+0.0108+0.0010=0.0390,(i)min=-0.0001-0.0395-0.0036=-0.0432,mmax=1.5q2(i)max=0.03904115.53=1

14、60.51(knm)mmin=1.5q2(i)min=-0.04324115.53=-177.79(knm)截面c: (i)max=0.0179+0.0144=0.0323, (i)min=-0.0538-0.0526-0.0048=-0.1112,mmax=1.5q2(i)max=0.03234115.53=132.93(knm)mmin=1.5q2(i)min=-0.11124115.53=-457.65(knm)截面22: (i)max=0.0134+0.0275+0.0007=0.0416, (i)min=-0.0402-0.0002-0.0002=-0.0406,mmax=1.5q2

15、(i)max=0.04164115.53=171.21(knm)mmin=1.5q2(i)min=-0.04064115.53=-167.09(knm)截面25:(i)max=0.0066+0.0724+0.0066=0.0856,(i)min=-0.0197-0.0197=-0.0394,mmax=1.5q2(i)max=0.08564115.53=352.29(knm)mmin=1.5q2(i)min=-0.03944115.53=-162.15(knm) 剪力計(jì)算:支座a:(i)max=0.4330+0.0132+0.0012=0.4474,(i)min=-0.0490-0.0036=-

16、0.0526,vmax=1.5q2(i)max=0.4474611.95=273.79(kn)vmin=1.5q2(i)min=-0.0526611.95=-32.19(kn)支座bl:(i)max=0.0132+0.0012=0.0144,(i)min=-0.5670-0.0490-0.0036=-0.6196,vmax=1.5q2(i)max=0.0144611.95=8.81(kn)vmin=1.5q2(i)min=-0.6196611.95=-379.16(kn)支座br:(i)max=0.0849+0.4952+0.0178=0.5979,(i)min=-0.0658-0.0060=

17、-0.0718,vmax=1.5q2(i)max=0.5979611.95=365.88(kn)vmin=1.5q2(i)min=-0.0718611.95=-43.94(kn)支座cl:(i)max=0.0849+0.0179=0.1028,(i)min=-0.5048-0.0658-0.0060=-0.5766,vmax=1.5q2(i)max=0.1028611.95=62.91(kn)vmin=1.5q2(i)min=-0.5766611.95=-352.85(kn)支座cr:(i)max=0.0682+0.5000+0.0227=0.5909,(i)min=-0.0227-0.068

18、2=-0.0909,vmax=1.5q2(i)max=0.5909611.95=361.60(kn)vmin=1.5q2(i)min=-0.0909611.95=-55.63(kn)表7彎矩剪力設(shè)計(jì)值(滿布堆貨荷載)截面(i)max(i)min1.5q2mmax(knm)mmin(knm)支座截面(i)max(i)min1.5q2lovmax(kn)vmin(kn)20.0694-0.0105285.62-43.21a0.4474-0.0526273.79-32.1940.0990-0.0210383.57-86.4350.0987-0.0263406.20-108.2480.0381-0.0

19、423156.80-174.09b0.0144-0.119659.26-492.220.0144-0.61968.81-379.16120.0300-0.0500123.47-205.78150.0789-0.0460324.72-189.310.5979-0.0718365.88-43.94180.0390-0.0432160.51-177.79c0.0323-0.1112132.93-457.650.1028-0.576662.91-352.85220.0416-0.0406171.21-167.09250.0856-0.0394352.29-162.150.5909-0.0909361.

20、60-55.63 2. 局部堆貨荷載產(chǎn)生的標(biāo)準(zhǔn)值q3作用按五跨剛性支承連續(xù)梁計(jì)算,采用影響線法,計(jì)算簡圖見圖7,內(nèi)力設(shè)計(jì)值m2q2、v2q2計(jì)算結(jié)果見表8。圖7連續(xù)梁計(jì)算圖式 彎矩計(jì)算:截面2: (i)max=0.0666+0.0026+0.0002=0.0694,(i)min=-0.0098-0.0007=-0.0105,mmax=1.5q3(i)max=0.06941153.80=80.07(knm)mmin=1.5q3(i)min=-0.01051153.80=-12.11(knm)截面4: (i)max=0.0932+0.0053+0.0005=0.0990,(i)min=-0.019

21、6-0.0014=-0.0210,mmax=1.5q3(i)max=0.09321153.80=107.53(knm)mmin=1.5q3(i)min=-0.02101153.80=-24.23(knm)截面5: (i)max=0.0915+0.0066+0.0006=0.0987,(i)min=-0.0245-0.0018=-0.0263,mmax=1.5q3(i)max=0.09871153.80=113.88(knm)mmin=1.5q3(i)min=-0.02631153.80=-30.34(knm)截面8: (i)max=0.0266+0.0105+0.0010=0.0381,(i)

22、min=-0.0002-0.0392-0.0029=-0.0423,mmax=1.5q3(i)max=0.03811153.80=43.96(knm)mmin=1.5q3(i)min=-0.04231153.80=-48.81(knm)截面b: (i)max=0.0132+0.0012=0.0144,(i)min=-0.0670-0.0490-0.0036=-0.1196,mmax=1.5q3(i)max=0.01441153.80=16.61(knm)mmin=1.5q3(i)min=-0.11961153.80=-138.00(knm)截面12:(i)max=0.0300,(i)min=-

23、0.0500,mmax=1.5q3(i)max=0.03001153.80=34.61(knm)mmin=1.5q3(i)min=-0.05001153.80=-57.69(knm)截面15:(i)max=0.0735+0.0054=0.0789,(i)min=-0.0245-0.0197-0.0018=-0.0460,mmax=1.5q3(i)max=0.07891153.80=91.03(knm)mmin=1.5q3(i)min=-0.04601153.80=-53.07(knm)截面18: (i)max=0.0272+0.0108+0.0010=0.0390,(i)min=-0.0001

24、-0.0395-0.0036=-0.0432,mmax=1.5q3(i)max=0.03901153.80=45.00(knm)mmin=1.5q3(i)min=-0.04321153.80=-49.84(knm)截面c:(i)max=0.0179+0.0144=0.0323, (i)min=-0.0538-0.0526-0.0048=-0.1112,mmax=1.5q3(i)max=0.03231153.80=37.27(knm)mmin=1.5q3(i)min=-0.11121153.80=-128.30(knm)截面22: (i)max=0.0134+0.0275+0.0007=0.04

25、16, (i)min=-0.0402-0.0002-0.0002=-0.0406,mmax=1.5q3(i)max=0.04161153.80=48.00(knm)mmin=1.5q3(i)min=-0.04061153.80=-46.84(knm)截面25:(i)max=0.0066+0.0724+0.0066=0.0856,(i)min=-0.0197-0.0197=-0.0394,mmax=1.5q3(i)max=0.08561153.80=98.77(knm)mmin=1.5q3(i)min=-0.03941153.80=-45.46(knm) 剪力計(jì)算:支座a:(i)max=0.43

26、30+0.0132+0.0012=0.4474,(i)min=-0.0490-0.0036=-0.0526,vmax=1.5q3(i)max=0.4474171.56=76.76(kn)vmin=1.5q3(i)min=-0.0526171.56=-9.02(kn)支座bl:(i)max=0.0132+0.0012=0.0144,(i)min=-0.5670-0.0490-0.0036=-0.6196,vmax=1.5q3(i)max=0.0144171.56=2.47(kn)vmin=1.5q3(i)min=-0.6196171.56=-106.30(kn)支座br:(i)max=0.084

27、9+0.4952+0.0178=0.5979,(i)min=-0.0658-0.0060=-0.0718,vmax=1.5q3(i)max=0.5979171.56=102.58(kn)vmin=1.5q3(i)min=-0.0718171.56=-12.32(kn)支座cl:(i)max=0.0849+0.0179=0.1028,(i)min=-0.5048-0.0658-0.0060=-0.5766,vmax=1.5q3(i)max=0.1028171.56=17.64(kn)vmin=1.5q3(i)min=-0.5766171.56=-98.92(kn)支座cr:(i)max=0.06

28、82+0.5000+0.0227=0.5909,(i)min=-0.0227-0.0682=-0.0909,vmax=1.5q3(i)max=0.5909171.56=101.37(kn)vmin=1.5q3(i)min=-0.0909171.56=-15.59(kn)表8 彎矩剪力設(shè)計(jì)值(局部堆貨荷載)截面(i)max(i)min1.5q3mmax(knm)mmin(knm)支座截面(i)max(i)min1.5q3lovmax(kn)vmin(kn)20.0694-0.010580.07-12.11a0.4474-0.052676.76-9.0240.0990-0.0210107.53-2

29、4.2350.0987-0.0263113.88-30.3480.0381-0.042343.96-48.81b0.0144-0.119616.61-138.000.0144-0.61962.47-106.30120.0300-0.050034.61-57.69150.0789-0.046091.03-53.070.5979-0.0718102.58-12.32180.0390-0.043245.00-49.84c0.0323-0.111237.27-128.300.1028-0.576617.64-98.92220.0416-0.040648.00-46.84250.0856-0.03949

30、8.77-45.460.5909-0.0909101.37-15.59 3. 門座式起重機(jī)荷載標(biāo)準(zhǔn)值q作用按五跨剛性支承連續(xù)梁計(jì)算,采用影響線法,風(fēng)荷載與沖擊作用不考慮同時(shí)發(fā)生,起重機(jī)自重大,操作平穩(wěn),只考慮0.4kpa的風(fēng)荷載。1.單門機(jī)(狀態(tài))計(jì)算簡圖見圖8,內(nèi)力設(shè)計(jì)值、見表9。圖8 連續(xù)梁計(jì)算圖式(單門機(jī)狀態(tài)) 彎矩計(jì)算:截面2:mmax=1.5(250(0.1497+0.1207)6.405=649.47knmmmin=1.5(250(-0.0158-0.0147)6.405=-73.26knm截面4:mmax=1.5250(0.2040+0.1516)6.405=854.11knmm

31、min=1.5(250(-0.0315-0.0294)6.405=-146.27knm截面5:mmax=1.5250(0.1998+0.1467)6.405=832.25knmmmin=1.5250(-0.0394-0.0367)6.405=-182.78knm截面8:mmax=1.5(250(0.0983+0.0583)+150(0.0120+0.0163)6.405=416.97knmmmin=1.5250(-0.0630-0.0587)6.405=-292.31knm截面b:mmax=1.5(250(0.0211+0.0191)+150(0.0000-0.0015)6.405=94.39

32、knmmmin=1.5250(-0.1029-0.0984)6.405=-483.50knm截面12:mmax=1.5250(0.1024+0.0635)6.405=398.47knmmmin=1.5250(-0.0768-0.0734)6.405=-360.76knm截面15:mmax=1.5(250(0.1728+0.1175)+150(-0.0010+0.0042)6.405=701.88knmmmin=1.5(250(-0.0377-0.0336)+150(-0.0156-0.0266)6.405=-232.07knm截面18:mmax=1.5(250(0.0987+0.0591)+1

33、50(0.0160+0.0111)6.405=418.07knmmmin=1.5(250(-0.0634-0.0602)+150(0.0011+0.0004)6.405=-294.71knm截面c:mmax=1.5250(0.0276+0.0262)6.405=129.22knmmmin=1.5(250(-0.0861-0.0783)+150(0.0012-0.0051)6.405=-400.49knm截面22:mmax=1.5(250(0.0990+0.0594)+150(0.0191+0.0142)6.405=428.45knmmmin=1.5(250(-0.0643-0.0598)+15

34、0(0.0009+0.0004)6.405=-296.20knm截面25:mmax=1.5(250(0.1711+0.1161)+150(0.0045-0.0012)6.405=694.57knmmmin=1.5(250(-0.0316-0.0294)+150(-0.0154-0.0263)6.405=-206.61knm 剪力計(jì)算:支座a:vmax=1.5250(1.0000+0.8485)=693.19knvmin=1.5(250(-0.0788 -0.0714)+150(0.0083+0.0030)=-53.78kn支座bl:vmax=1.5(250(0.0211+0.0191)+150

35、(-0.0002-0.0017)=14.65knvmin=1.5250(-1.0000-0.9321)=-724.54kn支座br:vmax=1.5250(1.0000+0.9039)=713.96knvmin=1.5(250(-0.1056-0.0917)+150(0.0115+0.0043)=-70.43kn支座cl:vmax=1.5250(0.1304+0.1247)=95.66knvmin=1.5(250(-1.0000-0.9098)+150(0.0282+0.0273)=-703.69kn支座cr:vmax=1.5(250(1.0000+0.9079)+150(-0.0330-0.

36、0345)=700.28knvmin=1.5(250(-0.1091-0.0993)+150(0.0158+0.0018)=-74.19kn表9彎矩剪力設(shè)計(jì)值(單門機(jī)狀態(tài))截面mmax(knm)mmin(knm)支座截面vmax(kn)vmin(kn)2649.47-73.26a693.19-53.784854.11-146.275832.25-182.788416.97-292.3114.65-724.54b94.39-483.5012398.47-360.76713.96-70.4315701.88-232.0718418.07-294.7195.66-703.69c129.22-400.

37、4922428.45-296.20700.28-74.1925694.57-206.61 2.雙門機(jī)(狀態(tài))計(jì)算簡圖見圖9,內(nèi)力設(shè)計(jì)值、見表10。圖9 連續(xù)梁計(jì)算圖式(雙門機(jī)(狀態(tài))) 彎矩計(jì)算:截面2:mmax=1.5220(0.1497+0.1207+0.0635+0.0409+0.0004+0.0029)6.405=799.17knmmmin=1.5220(-0.0158-0.0147-0.0113-0.0075-0.0006-0.0010)6.405=-107.59knm截面4:mmax =1.5220(0.2040+0.1516+0.0556+0.0217+0.0074+0.0084

38、)6.405=948.39knmmmin=1.5220(-0.0315-0.0294-0.0226-0.0036-0.0011-0.0019)6.405=-190.44knm截面5:mmax =1.5220(0.1998+0.1467+0.0859+0.0477+0.0085+0.0103)6.405=1054.50knmmmin=1.5220(-0.0394-0.0367-0.0286-0.0204-0.0014-0.0024)6.405=-272.45knm截面8:mmax =1.5220(0.0983+0.0583+0.0125+0.0148+0.0163+0.0108+0.0009)6

39、.405=447.88knmmmin=1.5220(-0.0630-0.0588-0.0452-0.0300-0.0025-0.0040)6.405=-430.13knm截面b:mmax =1.5220(0.0211+0.0185-0.0013+0.0018+0.0018)6.405=88.56knmmmin=1.5220(-0.1029-0.0984-0.0788-0.0736+0.0008+0.0056)6.405=-734.07knm截面12:mmax =1.5220(0.1024+0.0367+0.0360+0.0177)6.405=407.51knmmmin=1.5220(-0.04

40、49-0.0622-0.0768-0.0686)6.405=-533.70knm截面15:mmax =1.5220(0.1728+0.1183+0.0779+0.0386+0.0084+0.0069)6.405=893.86knmmmin=1.5220(-0.0377-0.0336-0.0156-0.0265-0.0304-0.0260-0.0008+0.0008)6.405=-358.90knm截面18:mmax =1.5220(0.0004+0.0137+0.0350+0.0987+0.0291+0.0172+0.0160)6.405=444.08knmmmin=1.5220(0.0014

41、+0.0015-0.0124-0.0430-0.0634-0.0574+0.0047)6.405=-356.36knm截面c:mmax =1.5220(0.0276+0.0263+0.0230+0.0209)6.405=206.72knmmmin=1.5220(0.0014+0.0099-0.0861-0.0783-0.0845-0.0765+0.0053)6.405=-652.70knm截面22:mmax =1.5220(0.0206+0.0197+0.0990+0.0594+0.0002+0.0005)6.405=421.46knmmmin=1.5220(-0.0312-0.0466-0.

42、0643-0.0598+0.0009+0.0004)6.405=-424.00knm截面25:mmax =1.5220(0.0080+0.0097+0.0700+0.0328+0.1711+0.1161+0.0045-0.0012)6.405=868.71knmmmin=1.5220(-0.0316-0.0294-0.0253-0.0123-0.0308-0.0270+0.0013)6.405=-327.83knm 剪力計(jì)算:支座a:vmax=1.5220(1.0000+0.8485+0.4216+0.5568-0.0375-0.0176)=914.69knvmin=1.5220(-0.078

43、8-0.0710-0.0565-0.0408-0.0035)=-82.70kn支座bl:vmax=1.5220(0.0211+0.0191-0.0021+0.0018+0.0018)=13.76knvmin=1.5220(-1.0000-0.9321-0.7214-0.6005+0.0206+0.0205)=-1060.26kn支座br:vmax=1.5220(1.0000+0.9039+0.6326+0.4928-0.0115-0.0413)=982.25knvmin=1.5220(-0.1056-0.0917+0.0103+0.0011-0.0092-0.0088)=-67.29kn支座c

44、l:vmax=1.5220(0.1304+0.1247+0.0287+0.0261-0.0028)=101.34knvmin=1.5220(-1.0000-0.9098-0.6684-0.5305+0.0134+0.0526+0.0280+0.0276)=-985.74kn支座cr:vmax=1.5220(1.0000+0.9079+0.5000+0.6401-0.0335-0.0344-0.0123-0.0390)=966.80knvmin=1.5220(0.060-0.1058-0.1064-0.0750-0.0436)=-89.36kn表10 彎矩剪力設(shè)計(jì)值(雙門機(jī)狀態(tài))截面mmax(k

45、nm)mmin(knm)支座截面vmax(kn)vmin(kn)2799.17-107.59a914.69-82.704948.39-190.4451054.50-272.458447.88-430.1313.76-1060.26b88.56-734.0712407.51-533.70982.25-67.2915893.86-358.9018444.08-356.36101.34-985.74c206.72-652.7022421.46-424.00580.93-89.3625868.71-327.83最不利荷載組合見表11。表11 最不利荷載組合計(jì)算截面的彎矩設(shè)計(jì)值(knm)支座截面剪力設(shè)計(jì)值(kn)2458b121518c2225am1g、v1g(自重)164.32246.48308.10164.320164.32308.10164.320164.32308.10186.44-186.44186.44-186.44186.44m1q、v1q(施工均載)36.2654.3956.6636.2

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