拌合站料仓大棚桁架验算

1、雨篷桁架结构验算1）施工活荷载：建筑屋面活荷载为水平投影面上荷载值，其均布活荷载的取值与屋面的使用性质、使用功能有关，按照荷载规范4.3.1查用项次类 别标准值kN/mf炬合值系数频谒值系数淮永久值系数-不上人屋面0.5130.5C2上人屋面2.0(|.70.50.43屋顶花园3.070.60. 按不上人屋顶考虑，施工活荷载标准值取0.5KN/m2，折合到梁上均布荷载为 0.5*6=3KN/m；按照钢结构设计规范可知作用在结构上的雪荷载为0.3 KN/m2；不考虑二者同时出现，取较大者只考虑施工活荷载。2）风荷载按照荷载规范要求，该结构矢跨比3.6/20=0.18，风压高度系数1.0，风振系数

2、1.2，结构体形系数0.8。基本风压0.35 KN/m2计算风荷载标准值0.336 KN/ m2，折合到梁上均布荷载为0.336*6=2KN/m；3）恒荷载（自重）屋面自重荷载按0.17KN/m2考虑，折合到梁上均布荷载为0.17*6=1KN/m；4）荷载组合在本次屋盖结构设计中，采用第种荷载效应组合：恒荷载+风荷载+活荷载/雪荷载竖向荷载作用 q竖=1.2* q恒荷载+1.4*q活=1.2*1+1.4*（ 3+2）=10.2KN/m5）结构验算横杆60*4.5钢管材料性质如下：EA=2.06*105N/mm2*7.037*102mm2*10-3=144962.2KNEI=2.06*105N/

3、mm2*27.73*104mm4*10-3*10-6=57.12KN m2腹杆30*2.5钢管材料性质如下：EA=2.06*105N/mm2*2.16*102mm2*10-3=44962.2KNEI=2.06*105N/mm2*2.06*104mm4*10-3*10-6=4.24KN m2建立荷载模型如下：1.桁架强度验算内力计算单位：力(kN),力矩(kN*m)杆端1单元码 轴力剪力弯矩杆端2轴力剪力弯矩10.000000000.000000000.000000000.000000000.000000000.00000000219.72336220.00000000-0.0000000019

4、.72336220.000000000.00000000336.20572800.00000000-0.0000000036.20572800.000000000.00000000447.0377752-0.00000000-0.0000000047.0377752-0.000000000.00000000566.91636830.00000000-0.0000000066.91636830.00000000-0.00000000674.51194620.00000000-0.0000000074.51194620.00000000-0.00000000779.12781410.0000000

5、0-0.0000000079.12781410.000000000.00000000892.9277296-0.000000000.0000000092.9277296-0.00000000-0.00000000992.9175920-0.000000000.0000000092.9175920-0.00000000-0.000000001080.99152030.00000000-0.0000000080.99152030.000000000.000000001177.12937810.00000000-0.0000000077.12937810.000000000.000000001268

6、.07457530.00000000-0.0000000068.07457530.000000000.000000001350.8733898-0.000000000.0000000050.8733898-0.00000000-0.000000001434.47600000.00000000-0.0000000034.47600000.000000000.000000001522.1358218-0.000000000.0000000022.1358218-0.00000000-0.0000000016-0.000000000.00000000-0.00000000-0.000000000.0

7、00000000.0000000017-10.2000000-0.000000000.00000000-10.2000000-0.00000000-0.0000000018-17.5265209-0.60527741-0.00000000-16.82846380.605277410.0000000019-34.0214892-0.554619370.00000000-33.43530610.554619370.0000000020-46.8949246-0.753311920.00000000-46.32278900.753311920.0000000021-63.9723194-0.6822

8、0074-0.00000000-63.62627550.682200740.0000000022-77.4699075-0.725139410.00000000-77.17985170.72513941-0.0000000023-81.8373221-0.77819801-0.00000000-81.62508630.778198010.0000000024-88.0604798-0.73906074-0.00000000-88.00951010.739060740.0000000025-87.6606935-0.77988367-0.00000000-87.71166630.77988367

9、0.0000000026-79.1834103-0.778198010.00000000-79.39564610.77819801-0.0000000027-75.3092925-0.70955411-0.00000000-75.59911040.709554110.0000000028-62.3458834-0.718854790.00000000-62.69291670.71885479-0.0000000029-45.2240627-0.64543391-0.00000000-45.78530960.645433910.0000000030-33.3922856-0.625798150.

10、00000000-33.99047500.62579815-0.0000000031-16.5886563-0.57765001-0.00000000-17.28008590.57765001-0.0000000032-10.2000000-0.000000000.00000000-10.2000000-0.00000000-0.00000000330.000000000.00000000-0.000000000.000000000.000000000.000000003414.55451190.00000000-0.0000000014.55451190.000000000.00000000

11、35-10.18333560.00000000-0.00000000-10.18333560.000000000.000000003613.0276477-0.000000000.0000000013.0276477-0.00000000-0.0000000037-8.138985350.00000000-0.00000000-8.138985350.000000000.00000000388.69097839-0.000000000.000000008.69097839-0.000000000.0000000039-5.658751450.00000000-0.00000000-5.6587

12、51450.000000000.000000004018.2279197-0.00000000-0.0000000018.2279197-0.000000000.0000000041-7.559854090.00000000-0.00000000-7.559854090.000000000.00000000429.845451840.00000000-0.000000009.845451840.000000000.00000000430.36514917-0.000000000.000000000.36514917-0.00000000-0.00000000445.506726180.0000

13、0000-0.000000005.506726180.000000000.0000000045-0.16380283-0.000000000.00000000-0.16380283-0.00000000-0.000000004611.02121410.00000000-0.0000000011.02121410.000000000.0000000047-6.48234163-0.00000000-0.00000000-6.48234163-0.000000000.000000004812.0445344-0.000000000.0000000012.0445344-0.00000000-0.0

14、000000049-5.98590331-0.000000000.00000000-5.98590331-0.00000000-0.00000000509.608970260.00000000-0.000000009.608970260.000000000.00000000510.575838140.00000000-0.000000000.575838140.000000000.00000000525.644090440.00000000-0.000000005.644090440.000000000.0000000053-0.58756901-0.000000000.00000000-0.

15、58756901-0.00000000-0.000000005411.04728620.00000000-0.0000000011.04728620.000000000.0000000055-7.37251468-0.000000000.00000000-7.37251468-0.00000000-0.000000005615.2811606-0.000000000.0000000015.2811606-0.00000000-0.0000000057-8.352654570.000000000.00000000-8.352654570.000000000.000000005812.246485

16、70.00000000-0.0000000012.24648570.000000000.0000000059-6.019658620.00000000-0.00000000-6.019658620.000000000.000000006010.1598389-0.000000000.0000000010.1598389-0.00000000-0.0000000061-11.7593183-0.000000000.00000000-11.7593183-0.00000000-0.000000006214.9091448-0.000000000.0000000014.9091448-0.00000

17、000-0.00000000使用有限元分析软件进行分析从计算结果中可见，杆件受力最大的杆件所受轴力为88KNa =N/A=88*103N/703.7mm2=125N/mm2215N/mm2，满足要求，2.桁架变形验算位移计算单位：位移(mm)杆端1杆端2单元码u -水平位移v -竖直位移?转角u -水平位移v -竖直位移?转角10.000000000.00000000-1.922168821.24940975-2.01827725-1.9221688221.24940975-2.01827725-1.849140212.47679400-4.39084800-1.8491402132.4767

18、9400-4.39084800-1.697371893.45814000-6.61146550-1.6973718943.45814000-6.61146550-1.518234264.27981750-8.60719800-1.5182342654.27981750-8.60719800-1.225202954.77647900-10.2758960-1.2252029564.77647900-10.2758960-0.849804055.07371350-11.5172130-0.8498040575.07371350-11.5172130-0.484840185.25642750-12.

19、1792720-0.4848401885.25642750-12.1792720-0.179721665.33603850-12.3112140-0.1797216695.33603850-12.31121400.140455195.41553700-12.2063050041553700-12.20630500.454995355.60041400-11.56326000.45499535115.60041400-11.56326000.845708485.89599350-10.37932300.84570848125.89599350-10.37932301.2

20、25942356.39041300-8.783544001.22594235136.39041300-8.783544001.525039717.22517300-6.643424001.52503971147.22517300-6.643424001.727680738.22090600-4.381847001.72768073158.22090600-4.381847001.875579569.46947300-1.901714501.87557956169.46947300-1.901714501.9605304510.74381800.000000001.960530451710.74

21、381800.000000001.939452769.36680700-0.007242001.93945276189.36680700-0.007242001.933889237.86266700-2.670067751.93363693197.86266700-2.670067751.806432156.73003000-4.913792501.80625325206.73003000-4.913792501.636390155.82194550-7.526971001.63603152215.82194550-7.526971001.385394655.42514050-9.460986

22、001.38516420225.42514050-9.460986001.034398215.23732450-10.98309601.03413395235.23732450-10.98309600.628923085.23115000-11.96856000.62860976245.23115000-11.96856000.228838355.34736500-12.30459000.22857907255.34736500-12.3045900-0.283605515.46733700-11.8660560-0.28391010265.46733700-11.8660560-0.6784

23、97015.44692550-10.8042780-0.67881033275.44692550-10.8042780-1.052698545.24875200-9.28738800-1.05294694285.24875200-9.28738800-1.399559304.84951250-7.23595250-1.39982588294.84951250-7.23595250-1.610027793.94621950-4.98664300-1.61027138303.94621950-4.98664300-1.790688862.82801500-2.52924575-1.79092584

24、312.82801500-2.52924575-1.900360041.34899388-0.00724200-1.90058787321.34899388-0.00724200-1.899991410.000000000.00000000-1.89999141330.000000000.00000000-1.922168821.24940975-2.01827725-1.92216882341.34899388-0.00724200-1.914439991.24940975-2.01827725-1.91443999351.24940975-2.01827725-1.860417322.82

25、801500-2.52924575-1.86041732362.82801500-2.52924575-1.822545732.47679400-4.39084800-1.82254573372.47679400-4.39084800-1.731991413.94621950-4.98664300-1.73199141383.94621950-4.98664300-1.655321673.45814000-6.61146550-1.65532167393.45814000-6.61146550-1.548484594.84951250-7.23595250-1.54848459404.8495

26、1250-7.23595250-1.466618064.27981750-8.60719800-1.46661806414.27981750-8.60719800-1.297154215.24875200-9.28738800-1.29715421425.24875200-9.28738800-1.144619194.77647900-10.2758960-177647900-10.2758960-0.944002985.44692550-10.8042780-0.94400298445.44692550-10.8042780-0.771996365.07371350

27、-11.5172130-0.77199636455.07371350-11.5172130-0.562464265.46733700-11.8660560-0.56246426465.46733700-11.8660560-0.398901955.25642750-12.1792720-0.39890195475.25642750-12.1792720-0.159773925.34736500-12.3045900-034736500-12.3045900-0.020593845.33603850-12.3112140-0.02059384495.34736500-12.30459000.121401455.41553700-12.20630500.12140145505.41553700-12.20630500.346954885.23115000-11.96856000.34695488515.23115000-11.96856000.526886965.60041400-11.56326000.52688696525.60041400-11.5632600