先張法預(yù)應(yīng)力疊合式軌道梁設(shè)計(jì)_第1頁
先張法預(yù)應(yīng)力疊合式軌道梁設(shè)計(jì)_第2頁
先張法預(yù)應(yīng)力疊合式軌道梁設(shè)計(jì)_第3頁
先張法預(yù)應(yīng)力疊合式軌道梁設(shè)計(jì)_第4頁
先張法預(yù)應(yīng)力疊合式軌道梁設(shè)計(jì)_第5頁
已閱讀5頁,還剩29頁未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

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(guó)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(guó)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(guó)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(guó)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600×600mm2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

3、面見圖1。圖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(jiǎn)支時(shí)擱置長(zhǎng)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=3.0KPa。使用期:均布荷載:q=25.0kP

4、a。門機(jī)國(guó)產(chǎn)門座式起重機(jī)荷載代號(hào)Mh-2-25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-2-25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(guó)產(chǎn)門座式起重機(jī)荷載代號(hào)Mh-2-25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)53011510.510.52501.5表2 國(guó)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-2-25)吊臂位置1吊臂位置2吊臂位置3ABCDABCDABCD44

5、0KN440KN160KN160KN500KN300KN100KN300KN440KN160KN160KN440KN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。混凝土強(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C40272.4519.51.83.25×104預(yù)制部分C30202.0015.01.53.00

6、5;104現(xiàn)澆部分C25171.7512.51.32.80×104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)5004203601.8×105非預(yù)應(yīng)力鋼筋I(lǐng)I級(jí)3353103102.0×105構(gòu)造鋼筋I(lǐng)級(jí)2352102102.1×105五、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(jiǎn)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(jiǎn)支梁:剪力計(jì)算中:LoLn=6100mm彎矩

7、計(jì)算中:LoLn+e=6350mm式中:Lo計(jì)算跨度(m),不大于1.05 Ln Ln凈跨(m) e擱置長(zhǎng)度(m)2.剛性支承:剪力計(jì)算中:LoLn=6100mm彎矩計(jì)算中:B20.05L時(shí),取LoL B20.05L時(shí),取Lo1.05Ln因?yàn)锽2=900mm0.05L=350mm,故Lo=1.05×6100=6405mm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(zhǎng)度軌道梁承受的總自重標(biāo)準(zhǔn)值gg=25×1800×500+2×150+300×150÷2+2000-150+35002×200+15

8、0+50 =50.94KN/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=3.0×2.00-0.15+3.502=8.03KN/m (2)滿布堆貨荷載q產(chǎn)生的標(biāo)準(zhǔn)值q2q2=25.0×2.00-0.15+3.502=66.88KN/m (3)局布堆貨荷載產(chǎn)生的標(biāo)準(zhǔn)值q3q3=25.0×0.75=18.75KN/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(jiǎn)支梁計(jì)算,計(jì)算簡(jiǎn)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(jiǎn)支梁計(jì)算圖式表5 彎矩剪力設(shè)計(jì)值(施工期永

9、久荷載)截面彎矩(KN·m)支座剪力(KN)2164.32A186.444246.485308.108164.32BL-186.44B012164.32BR186.4415308.1018164.32CL-186.44C022164.32CR186.4425308.10 2. 施工均布荷載產(chǎn)生的標(biāo)準(zhǔn)值q1作用按簡(jiǎn)支梁計(jì)算,計(jì)算簡(jiǎn)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(jiǎn)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(KN·m)支座剪力(KN)236.26A34.29454.39556.66836.26BL-34.29B01236.26BR

10、34.291556.661836.26CL-34.29C02236.26CR34.292556.66 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(jiǎn)圖見圖6,內(nèi)力設(shè)計(jì)值M2Q1、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=1.5q2Lo2(i)max=0.0694×4115.53=285.62(KN·m)Mmin=1.5q2Lo2(i)min=-0.0105×

11、;4115.53=-43.21(KN·m)截面4: (i)max=0.0932+0.0053+0.0005=0.0990,(i)min=-0.0196-0.0014=-0.0210,Mmax=1.5q2Lo2(i)max=0.0932×4115.53=383.57(KN·m)Mmin=1.5q2Lo2(i)min=-0.0210×4115.53=-86.43(KN·m)截面5: (i)max=0.0915+0.0066+0.0006=0.0987,(i)min=-0.0245-0.0018=-0.0263,Mmax=1.5q2Lo2(i)max

12、=0.0987×4115.53=406.20(KN·m)Mmin=1.5q2Lo2(i)min=-0.0263×4115.53=-108.24(KN·m)截面8: (i)max=0.0266+0.0105+0.0010=0.0381,(i)min=-0.0002-0.0392-0.0029=-0.0423,Mmax=1.5q2Lo2(i)max=0.0381×4115.53=156.80(KN·m)Mmin=1.5q2Lo2(i)min=-0.0423×4115.53=-174.09(KN·m)截面B: (i)ma

13、x=0.0132+0.0012=0.0144,(i)min=-0.0=-0.1196,Mmax=1.5q2Lo2(i)max=0.0144×4115.53=59.26(KN·m)Mmin=1.5q2Lo2(i)min=-0.1196×4115.53=-492.22(KN·m)截面12: (i)max=0.0300,(i)min=-0.0500,Mmax=1.5q2Lo2(i)max=0.0300×4115.53=123.47(KN·m)Mmin=1.5q2Lo2(i)min=-0.0500×4115.53=-205.78(K

14、N·m)截面15: (i)max=0.0735+0.0054=0.0789,(i)min=-0.0=-0.0460,Mmax=1.5q2Lo2(i)max=0.0789×4115.53=324.72(KN·m)Mmin=1.5q2Lo2(i)min=-0.0460×4115.53=-189.31(KN·m)截面18: (i)max=0.0272+0.0108+0.0010=0.0390,(i)min=-0.000136=-0.0432,Mmax=1.5q2Lo2(i)max=0.0390×4115.53=160.51(KN·

15、m)Mmin=1.5q2Lo2(i)min=-0.0432×4115.53=-177.79(KN·m)截面C: (i)max=0.0179+0.0144=0.0323, (i)min=-0.0=-0.1112,Mmax=1.5q2Lo2(i)max=0.0323×4115.53=132.93(KN·m)Mmin=1.5q2Lo2(i)min=-0.1112×4115.53=-457.65(KN·m)截面22: (i)max=0.0134+0.0275+0.0007=0.0416, (i)min=-0.0402-0.0002-0.000

16、2=-0.0406,Mmax=1.5q2Lo2(i)max=0.0416×4115.53=171.21(KN·m)Mmin=1.5q2Lo2(i)min=-0.0406×4115.53=-167.09(KN·m)截面25:(i)max=0.0066+0.0724+0.0066=0.0856,(i)min=-0.0197-0.0197=-0.0394,Mmax=1.5q2Lo2(i)max=0.0856×4115.53=352.29(KN·m)Mmin=1.5q2Lo2(i)min=-0.0394×4115.53=-162.1

17、5(KN·m) 剪力計(jì)算:支座A:(i)max=0.4330+0.0132+0.0012=0.4474,(i)min=-0.0490-0.0036=-0.0526,Vmax=1.5q2 Lo(i)max=0.4474×611.95=273.79(KN)Vmin=1.5q2Lo(i)min=-0.0526×611.95=-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 Lo(i)max=0.0144×611.95=8.81(K

18、N)Vmin=1.5q2Lo(i)min=-0.6196×611.95=-379.16(KN)支座BR:(i)max=0.0849+0.4952+0.0178=0.5979,(i)min=-0.0718,Vmax=1.5q2 Lo(i)max=0.5979×611.95=365.88(KN)Vmin=1.5q2Lo(i)min=-0.0718×611.95=-43.94(KN)支座CL:(i)max=0.0849+0.0179=0.1028,(i)min=-=-0.5766,Vmax=1.5q2 Lo(i)max=0.1028×611.95=62.91(

19、KN)Vmin=1.5q2Lo(i)min=-0.5766×611.95=-352.85(KN)支座CR:(i)max=0.0682+0.5000+0.0227=0.5909,(i)min=-0.0909,Vmax=1.5q2 Lo(i)max=0.5909×611.95=361.60(KN)Vmin=1.5q2Lo(i)min=-0.0909×611.95=-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)min1.5q2Lo2Mmax(KN·m)Mmin(KN·m)支座截面(i)max(i)min1.5q2LoVm

20、ax(KN)Vmin(KN)20.0694-0.01051.5×66.88×6.4052=4115.53285.62-43.21A0.4474-0.05261.5×66.88×6.1=611.95273.79-32.1940.0990-0.0210383.57-86.4350.0987-0.0263406.20-108.2480.0381-0.0423156.80-174.09B0.0144-0.119659.26-492.22BL0.0144-0.61968.81-379.16120.0300-0.0500123.47-205.78150.0789-0

21、.0460324.72-189.31BR0.5979-0.0718365.88-43.94180.0390-0.0432160.51-177.79C0.0323-0.1112132.93-457.65CL0.1028-0.576662.91-352.85220.0416-0.0406171.21-167.09250.0856-0.0394352.29-162.15CR0.5909-0.0909361.60-55.63 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(jiǎn)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:

22、(i)max=0.0666+0.0026+0.0002=0.0694,(i)min=-0.0098-0.0007=-0.0105,Mmax=1.5q3Lo2(i)max=0.0694×1153.80=80.07(KN·m)Mmin=1.5q3Lo2(i)min=-0.0105×1153.80=-12.11(KN·m)截面4: (i)max=0.0932+0.0053+0.0005=0.0990,(i)min=-0.0196-0.0014=-0.0210,Mmax=1.5q3Lo2(i)max=0.0932×1153.80=107.53(KN&#

23、183;m)Mmin=1.5q3Lo2(i)min=-0.0210×1153.80=-24.23(KN·m)截面5: (i)max=0.0915+0.0066+0.0006=0.0987,(i)min=-0.0245-0.0018=-0.0263,Mmax=1.5q3Lo2(i)max=0.0987×1153.80=113.88(KN·m)Mmin=1.5q3Lo2(i)min=-0.0263×1153.80=-30.34(KN·m)截面8: (i)max=0.0266+0.0105+0.0010=0.0381,(i)min=-0.0

24、002-0.0392-0.0029=-0.0423,Mmax=1.5q3Lo2(i)max=0.0381×1153.80=43.96(KN·m)Mmin=1.5q3Lo2(i)min=-0.0423×1153.80=-48.81(KN·m)截面B: (i)max=0.0132+0.0012=0.0144,(i)min=-0.0=-0.1196,Mmax=1.5q3Lo2(i)max=0.0144×1153.80=16.61(KN·m)Mmin=1.5q3Lo2(i)min=-0.1196×1153.80=-138.00(KN

25、·m)截面12:(i)max=0.0300,(i)min=-0.0500,Mmax=1.5q3Lo2(i)max=0.0300×1153.80=34.61(KN·m)Mmin=1.5q3Lo2(i)min=-0.0500×1153.80=-57.69(KN·m)截面15:(i)max=0.0735+0.0054=0.0789,(i)min=-0.0=-0.0460,Mmax=1.5q3Lo2(i)max=0.0789×1153.80=91.03(KN·m)Mmin=1.5q3Lo2(i)min=-0.0460×11

26、53.80=-53.07(KN·m)截面18: (i)max=0.0272+0.0108+0.0010=0.0390,(i)min=-0.0432,Mmax=1.5q3Lo2(i)max=0.0390×1153.80=45.00(KN·m)Mmin=1.5q3Lo2(i)min=-0.0432×1153.80=-49.84(KN·m)截面C:(i)max=0.0179+0.0144=0.0323, (i)min=-0.0=-0.1112,Mmax=1.5q3Lo2(i)max=0.0323×1153.80=37.27(KN·

27、m)Mmin=1.5q3Lo2(i)min=-0.1112×1153.80=-128.30(KN·m)截面22: (i)max=0.0134+0.0275+0.0007=0.0416, (i)min=-0.0=-0.0406,Mmax=1.5q3Lo2(i)max=0.0416×1153.80=48.00(KN·m)Mmin=1.5q3Lo2(i)min=-0.0406×1153.80=-46.84(KN·m)截面25:(i)max=0.0066+0.0724+0.0066=0.0856,(i)min=-0.0197-0.0197=-

28、0.0394,Mmax=1.5q3Lo2(i)max=0.0856×1153.80=98.77(KN·m)Mmin=1.5q3Lo2(i)min=-0.0394×1153.80=-45.46(KN·m) 剪力計(jì)算:支座A:(i)max=0.4330+0.0132+0.0012=0.4474,(i)min=-0.0490-0.0036=-0.0526,Vmax=1.5q3 Lo(i)max=0.4474×171.56=76.76(KN)Vmin=1.5q3Lo(i)min=-0.0526×171.56=-9.02(KN)支座BL:(i)

29、max=0.0132+0.0012=0.0144,(i)min=-0.5670-0.0490-0.0036=-0.6196,Vmax=1.5q3 Lo(i)max=0.0144×171.56=2.47(KN)Vmin=1.5q3Lo(i)min=-0.6196×171.56=-106.30(KN)支座BR:(i)max=0.0849+0.4952+0.0178=0.5979,(i)min=-0.0718,Vmax=1.5q3 Lo(i)max=0.5979×171.56=102.58(KN)Vmin=1.5q3Lo(i)min=-0.0718×171.5

30、6=-12.32(KN)支座CL:(i)max=0.0849+0.0179=0.1028,(i)min=-=-0.5766,Vmax=1.5q3 Lo(i)max=0.1028×171.56=17.64(KN)Vmin=1.5q3Lo(i)min=-0.5766×171.56=-98.92(KN)支座CR:(i)max=0.0682+0.5000+0.0227=0.5909,(i)min=-0.0909,Vmax=1.5q3 Lo(i)max=0.5909×171.56=101.37(KN)Vmin=1.5q3Lo(i)min=-0.0909×171.5

31、6=-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)min1.5q3Lo2Mmax(KN·m)Mmin(KN·m)支座截面(i)max(i)min1.5q3LoVmax(KN)Vmin(KN)20.0694-0.01051.5×18.75×6.4052=1153.8080.07-12.11A0.4474-0.05261.5×18.75×6.1=171.5676.76-9.0240.0990-0.0210107.53-24.2350.0987-0.0263113.88-30.3480.0381-0.0423

32、43.96-48.81B0.0144-0.119616.61-138.00BL0.0144-0.61962.47-106.30120.0300-0.050034.61-57.69150.0789-0.046091.03-53.07BR0.5979-0.0718102.58-12.32180.0390-0.043245.00-49.84C0.0323-0.111237.27-128.30CL0.1028-0.576617.64-98.92220.0416-0.040648.00-46.84250.0856-0.039498.77-45.46CR0.5909-0.0909101.37-15.59

33、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(jiǎn)圖見圖8,內(nèi)力設(shè)計(jì)值M2Q31、V2Q31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=Q×i=14i×Qimax×L0=1.5×(250×(0.1497+0.1207)×6.405=649.47KN·mMmin=Q×i=14i×Qimin×L0=1.5×(250×(-0

34、.0158-0.0147)×6.405=-73.26KN·m截面4:Mmax=Q×i=14i×Qimax×L0=1.5×250×(0.2040+0.1516)×6.405=854.11KN·mMmin=Q×i=14i×Qimin×L0=1.5×(250×(-0.0315-0.0294)×6.405=-146.27KN·m截面5:Mmax=Q×i=14i×Qimax×L0=1.5×250×

35、(0.1998+0.1467)×6.405=832.25KN·mMmin=Q×i=14i×Qimin×L0=1.5×250×(-0.0394-0.0367)×6.405=-182.78KN·m截面8:Mmax=Q×i=14i×Qimax×L0=1.5×(250×(0.0983+0.0583)+150×(0.0120+0.0163)×6.405=416.97KN·mMmin=Q×i=14i×Qimin

36、5;L0=1.5×250×(-0.0630-0.0587)×6.405=-292.31KN·m截面B:Mmax=Q×i=14i×Qimax×L0=1.5×(250×(0.0211+0.0191)+150×(0.0000-0.0015)×6.405=94.39KN·mMmin=Q×i=14i×Qimin×L0=1.5×250×(-0.1029-0.0984)×6.405=-483.50KN·m截面12:Mma

37、x=Q×i=14i×Qimax×L0=1.5×250×(0.1024+0.0635)×6.405=398.47KN·mMmin=Q×i=14i×Qimin×L0=1.5×250×(-0.0768-0.0734)×6.405=-360.76KN·m截面15:Mmax=Q×i=14i×Qimax×L0=1.5×(250×(0.1728+0.1175)+150×(-0.0010+0.0042)×

38、;6.405=701.88KN·mMmin=Q×i=14i×Qimin×L0=1.5×(250×(-0.0377-0.0336)+150×(-0.0156-0.0266)×6.405=-232.07KN·m截面18:Mmax=Q×i=14i×Qimax×L0=1.5×(250×(0.0987+0.0591)+150×(0.0160+0.0111)×6.405=418.07KN·mMmin=Q×i=14i×Q

39、imin×L0=1.5×(250×(-0.0634-0.0602)+150×(0.0011+0.0004)×6.405=-294.71KN·m截面C:Mmax=Q×i=14i×Qimax×L0=1.5×250×(0.0276+0.0262)×6.405=129.22KN·mMmin=Q×i=14i×Qimin×L0=1.5×(250×(-0.0861-0.0783)+150×(0.0012-0.0051)&

40、#215;6.405=-400.49KN·m截面22:Mmax=Q×i=14i×Qimax×L0=1.5×(250×(0.0990+0.0594)+150×(0.0191+0.0142)×6.405=428.45KN·mMmin=Q×i=14i×Qimin×L0=1.5×(250×(-0.0643-0.0598)+150×(0.0009+0.0004)×6.405=-296.20KN·m截面25:Mmax=Q×i=1

41、4i×Qimax×L0=1.5×(250×(0.1711+0.1161)+150×(0.0045-0.0012)×6.405=694.57KN·mMmin=Q×i=14i×Qimin×L0=1.5×(250×(-0.0316-0.0294)+150×(-0.0154-0.0263)×6.405=-206.61KN·m 剪力計(jì)算:支座A:Vmax=Q×i=14i×Qimax=1.5×250×(1.0000+0

42、.8485)=693.19KNVmin=Q×i=14i×Qimin=1.5×(250×(-0.0788 -0.0714)+150×(0.0083+0.0030)=-53.78KN支座BL:Vmax=Q×i=14i×Qimax=1.5×(250×(0.0211+0.0191)+150×()=14.65KNVmin=Q×i=14i×Qimin=1.5×250×(-1.0000-0.9321)=-724.54KN支座BR:Vmax=Q×i=14i

43、15;Qimax=1.5×250×(1.0000+0.9039)=713.96KNVmin=Q×i=14i×Qimin=1.5×(250×(-0.1056-0.0917)+150×(0.0115+0.0043)=-70.43KN支座CL:Vmax=Q×i=14i×Qimax=1.5×250×(0.1304+0.1247)=95.66KNVmin=Q×i=14i×Qimin=1.5×(250×()+150×(0.0282+0.0273)=

44、-703.69KN支座CR:Vmax=Q×i=14i×Qimax=1.5×(250×(1.0000+0.9079)+150×()=700.28KNVmin=Q×i=14i×Qimin=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(KN·m)Mmin(KN·m)支座截面Vmax(KN)Vmin(KN)2649.47-73.26A693.19-53.784854.11-14

45、6.275832.25-182.788416.97-292.31BL14.65-724.54B94.39-483.5012398.47-360.76BR713.96-70.4315701.88-232.0718418.07-294.71CL95.66-703.69C129.22-400.4922428.45-296.20CR700.28-74.1925694.57-206.61 2.雙門機(jī)(狀態(tài))計(jì)算簡(jiǎn)圖見圖9,內(nèi)力設(shè)計(jì)值M2Q32、V2Q32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=Q×i=18i×Qimin×L0=1.5&#

46、215;220×(0.1497+0.1207+0.0635+0.0409+0.0004+0.0029)×6.405=799.17KN·mMmin=Q×i=18i×Qimin×L0=1.5×220×(-0.0158-0.0147-0.0113-0.0075-0.0006-0.0010)×6.405=-107.59KN·m截面4:Mmax =Q×i=18i×Qimin×L0=1.5×220×(0.2040+0.1516+0.0556+0.0217+0

47、.0074+0.0084)×6.405=948.39KN·mMmin=Q×i=18i×Qimin×L0=1.5×220×(-0.0315-0.0294-0.0226-0.0036-0.0011-0.0019)×6.405=-190.44KN·m截面5:Mmax =Q×i=18i×Qimin×L0=1.5×220×(0.1998+0.1467+0.0859+0.0477+0.0085+0.0103)×6.405=1054.50KN·mMm

48、in=Q×i=18i×Qimin×L0=1.5×220×(-0.0394-0.0367-0.0286-0.0204-0.0014-0.0024)×6.405=-272.45KN·m截面8:Mmax =Q×i=18i×Qimin×L0=1.5×220×(0.0983+0.0583+0.0125+0.0148+0.0163+0.0108+0.0009)×6.405=447.88KN·mMmin=Q×i=18i×Qimin×L0=1

49、.5×220×(-0.0630-0.0588-0.0452-0.0300-0.0025-0.0040)×6.405=-430.13KN·m截面B:Mmax =Q×i=18i×Qimin×L0=1.5×220×(0.0211+0.0185-0.0013+0.0018+0.0018)×6.405=88.56KN·mMmin=Q×i=18i×Qimin×L0=1.5×220×(-0.1029-0.0984-0.0788-0.0736+0.00

50、08+0.0056)×6.405=-734.07KN·m截面12:Mmax =Q×i=18i×Qimin×L0=1.5×220×(0.1024+0.0367+0.0360+0.0177)×6.405=407.51KN·mMmin=Q×i=18i×Qimin×L0=1.5×220×(-0.0449-0.0622-0.0768-0.0686)×6.405=-533.70KN·m截面15:Mmax =Q×i=18i×Qim

51、in×L0=1.5×220×(0.1728+0.1183+0.0779+0.0386+0.0084+0.0069)×6.405=893.86KN·mMmin=Q×i=18i×Qimin×L0=1.5×220×(-0.0377-0.0336-0.0156-0.0265-0.0304-0.0260-0.0008+0.0008)×6.405=-358.90KN·m截面18:Mmax =Q×i=18i×Qimin×L0=1.5×220×

52、;(0.0004+0.0137+0.0350+0.0987+0.0291+0.0172+0.0160)×6.405=444.08KN·mMmin=Q×i=18i×Qimin×L0=1.5×220×(0.0014+0.0015-0.0124-0.0430-0.0634-0.0574+0.0047)×6.405=-356.36KN·m截面C:Mmax =Q×i=18i×Qimin×L0=1.5×220×(0.0276+0.0263+0.0230+0.0209)

53、×6.405=206.72KN·mMmin=Q×i=18i×Qimin×L0=1.5×220×(0.0014+0.0099-0.0861-0.0783-0.0845-0.0765+0.0053)×6.405=-652.70KN·m截面22:Mmax =Q×i=18i×Qimin×L0=1.5×220×(0.0206+0.0197+0.0990+0.0594+0.0002+0.0005)×6.405=421.46KN·mMmin=Q

54、15;i=18i×Qimin×L0=1.5×220×(-0.0312-0.0466-0.0643-0.0598+0.0009+0.0004)×6.405=-424.00KN·m截面25:Mmax =Q×i=18i×Qimin×L0=1.5×220×(0.0080+0.0097+0.0700+0.0328+0.1711+0.1161)×6.405=868.71KN·mMmin=Q×i=18i×Qimin×L0=1.5×220&#

55、215;(-0.0316-0.0294-0.0253-0.0123-0.0308-0.0270+0.0013)×6.405=-327.83KN·m 剪力計(jì)算:支座A:Vmax=Q×i=18i×Qimax=1.5×220×(1.0000+0.8485+0.4216+0.5568-)=914.69KNVmin=Q×i=18i×Qimin=1.5×220×(-0.0788-0.0710-0.0565-0.0408-0.0035)=-82.70KN支座BL:Vmax=Q×i=18i×

56、Qimax=1.5×220×(0.0211+0.0191-0.0021+0.0018+0.0018)=13.76KNVmin=Q×i=18i×Qimin=1.5×220×(-0.7214-0.6005+0.0206+0.0205)=-1060.26KN支座BR:Vmax=Q×i=18i×Qimax=1.5×220×(1.0000+0.9039+0.6326+0.4928-0.0115-0.0413)=982.25KNVmin=Q×i=18i×Qimin=1.5×22

57、0×(-0.1056-0.0917+0.0103+0.0011-0.0092-0.0088)=-67.29KN支座CL:Vmax=Q×i=18i×Qimax=1.5×220×(0.1304+0.1247+0.0287+0.0261-0.0028)=101.34KNVmin=Q×i=18i×Qimin=1.5×220×(-1.0000-0.9098-0.6684-0.5305+0.0134+0.0526+0.0280+0.0276)=-985.74KN支座CR:Vmax=Q×i=18i×

58、Qimax=1.5×220×(1.0000+0.9079+0.5000+0.6401-0.0335-0.0344)=966.80KNVmin=Q×i=18i×Qimin=1.5×220×(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(KN·m)Mmin(KN·m)支座截面Vmax(KN)Vmin(KN)2799.17-107.59A914.69-82.704948.39-190.4451054.50-272.458447.88

59、-430.13BL13.76-1060.26B88.56-734.0712407.51-533.70BR982.25-67.2915893.86-358.9018444.08-356.36CL101.34-985.74C206.72-652.7022421.46-424.00CR580.93-89.3625868.71-327.83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(KN·m)支座截面剪力設(shè)計(jì)值(KN)2458B121518C2225ABLBRCLCRM1G、V1G(自重)164.32246.48308.10164.320164.32308.10164.320164.32308.10186.44-186.44186.44-186.44186.44M

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫網(wǎng)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

評(píng)論

0/150

提交評(píng)論