钢漏斗仓计算.xls
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1、钢漏斗仓计算1.设计数据:(1)贮料种类:煤(2)贮料物理特性:密度9kN/m3内摩擦角30K0.333333333(tg2(45-/2)(3)工作条件结构重要性系数0:1贮料冲击影响系数C1贮料顶面为水平面(4)材料钢材Q235焊条E43f215N/mm2E206kN/mm22.钢仓几何特性an4m bn4m hh3ma00.7m b00.7m hn3m(1)仓容积上部V148m3下部V219.29m3(2)斜壁斜高及斜壁与水平面夹角斜高H3.423813663倾角61.18920626(3)相邻斜壁交肋与水平面夹角52.12359976+5=353.结构布置与荷载计算(1)一肢水平放置的角
2、钢,底部附加一道钢板垂直加劲肋水平加劲肋间距0.75m(2)贮料压力计算=0.488163788斜壁法向压力标准值斜壁顶部Pnt=13.180kN/m2斜壁底部Pnb=26.361kN/m2中间各段法向压力见下图V1V2a0anb0bnhhhn水平加劲肋斜壁法向压力跨度an编号标准值中间平均值4m0 13.180kN/m23.175m1 16.476kN/m214.8279752.35m2 19.771kN/m2 18.12308061.525m3 23.066kN/m2 21.41818620.7m4 26.361kN/m2 24.7132917(3)钢仓自重估算Gk=67.29kN-1.0
3、*(V1+V2)(4)卸料口设备重g=7.2kN4.钢仓内力计算(1)斜壁斜向拉力设计值斜壁顶部Gt=876.681kNNt=62.53317471kN/m斜壁底部Gb=43.038kNNb=17.54215386kN/m(2)斜壁弯矩设计值3-4梯形板折算矩形板b=1.336516854ma=0.655758427ma/b=0.490647331查表=0.0829=0.0276Mmax=1.145292033kN.m2-3梯形板折算矩形板b=2.183225806ma=0.666612903ma/b=0.305333924查表=0.1=0.09Mmax=1.237295614kN.m1-2梯
4、形板折算矩形板b=3.016968326ma=0.670984163ma/b=0.22240345查表=0.1=0.09Mmax=1.06071794kN.m0-1梯形板折算矩形板b=3.846689895ma=0.673344948ma/b=0.17504529查表=0.1=0.09Mmax=0.873977819kN.m(3)水平加劲肋内力计算1)1号加劲肋框架加劲肋承受水平荷载标准值qb=10.82708969kN/m加劲肋水平拉力设计值Nhb=Nha=22.34440635kN加劲肋弯矩设计值c=bh/ah=1支座:M0=11.82391503kN.m跨中:Mb=Ma=5.911957
5、514kN.m2)2号加劲肋框架qb=qa=12.99250763kN/mNhb=Nha=19.84605541kNM0=7.773038367kN.mMb=Ma=3.886519184kN.m其余加劲肋框架内力计算重略(4)垂直加劲肋弯矩设计值2-3号水平加劲肋间的垂直加劲肋承受如图所示荷载近似取值q=16.06363964kN/m跨中弯矩:M=0.97887804kN.m5.钢仓构件设计(1)斜壁壁板1)壁板强度,壁板两组最大内力设计值如下:MN34板1.145292033kN.m17.54215386kN/m01板0.873977819kN.m62.53317471kN/m根据最大弯矩初
6、选截面:WMmax/0.9f=5918.821875mm3板厚t(6W/b)0.5=5.959272712 取t=10mmW=16666.66667mm3斜壁强度:34板N/A+M/(W)=70.472N/mm201板N/A+M/(W)=58.692N/mm22)壁板刚度,斜壁壁板最大挠度在23板跨中=2.960758822mm232.505257465mm12=a/150=5mmvv满足(2)水平加劲肋1)水平加劲肋强度,1号加劲肋框架内力设计值如下:Nh=22.34440635kN M0=11.8239kN.m Mb=Ma=5.912kN.m根据最大弯矩初选截面:WMmax/0.9f=61
7、105.50402mm3查表选用L75X50X8I=840cm4 W1=124cm3 W2=91cm3A=39.47cm2加劲肋强度Nb/A+M/(W)=129.4069515N/mm22)水平加劲肋刚度,对1号水平加劲肋:=12查表=1=1.65580398mm=ah/250=12.7mm满足(3)垂直加劲肋1)垂直加劲肋强度M=0.97887804kN.mWM/(f)=3794.100931mm3构造选用-60X6钢板加劲肋t=10mma=300mmb=60mmtw=6mmd1=8.75mmd=61.25mmI=526750mm4Wh=8600mm41)垂直加劲肋刚度=0.39033365
8、3mm=ah/250=3mm满足注:本表格按建工出版社贮仓结构设计手册第一版编制,查表均按该手册t30tVVtbatbatdbatd1batw钢漏斗仓计算1.设计数据:(1)贮料种类:煤(4)材料(2)贮料物理特性:钢材Q235密度9kN/m3f215N/mm2内摩擦角30E206kN/mm2K0.333333(tg2(45-/2)(3)工作条件结构重要性系数0:1贮料冲击影响系数C1anbnhh上部V14m4m3m48m33.175m3.175m2.35m2.35m1.525m1.525m0.7m0.7m3m19.29m34.钢仓内力计算(1)斜壁斜向拉力设计值(2)斜壁弯矩设计值Gt=Nt
9、=b=1 876.68kN 62.5kN/m3.84669m23.016968m32.183226m4 43.038kN 17.5kN/m1.336517m(3)钢仓自重估算Gk=67.29kN-1.0*(V1+V2)(4)卸料口设备重g=7.2kN(4)垂直加劲肋弯矩设计值q=M12 16.1kN/m 0.98kN.m34根据最大弯矩初选截面:WMmax/0.9f=5919mm3板厚t(6W/b)0.5=5.959273 取t=10mmW=16667mm3(2)水平加劲肋1)水平加劲肋强度,1号加劲肋框架内力设计值如下:Nh=22.344kN M0=11.8kN.m Mb=Ma=5.91kN
10、.m根据最大弯矩初选截面:WMmax/0.9f=61106mm3查表选用 L75X50X8I=840cm4 W1=124cm3 W2=91cm3A=39.47cm2加劲肋强度Nb/A+M/(W)=129N/mm2(3)垂直加劲肋1)垂直加劲肋强度2)水平加劲肋刚度,对1号水平加劲肋:M=12W查表=1构造选用-60X6钢板加劲肋=1.6558mmt=a=ah/250=12.7mmb=满足tw=d1=d=I=Wh=1)垂直加劲肋刚度=注:本表格按建工出版社贮仓结构设计手册第一版编制,查表均按该手册焊条E43下部V2斜高H倾角 水平加劲肋间距=斜壁顶部Pnt=3.42381 61.20.48816
11、413.180kN/m216.476kN/m2 14.8279819.771kN/m2 18.1230823.066kN/m2 21.4181924.7132952.120.75m26.361kN/m2(3)水平加劲肋内力计算加劲肋承受水平荷载标准值a=a/b=Mmax=qb=Nhb=Nha=0.75m 0.194970.10.09 1.084kN.m10.82709kN/m 22.344kN0.67098416m0.22240.10.09 1.061kN.m12.99251kN/m 19.846kN0.6666129m 0.305330.10.09 1.237kN.mhn(2)斜壁弯矩设计值
12、0.65575843m 0.4906m 0.08290.0276 1.145kN.m5.钢仓构件设计(1)斜壁壁板斜壁挠度MNN/A+M/(W)=1.0843kN.m63kN/m71N/mm22.5053mm2.9608mm1.14529kN.m18kN/m70N/mm2=a/150=5mmvv满足1.0*(V1+V2)0.97888kN.mM/(f)=3794mm310mm300mm606mm8.75mm61.25mm526750mm48600mm40.3903337mmah/250=3mm满足(3)垂直加劲肋1)垂直加劲肋强度构造选用-60X6钢板加劲肋1)垂直加劲肋刚度注:本表格按建工出
13、版社贮仓结构设计手册第一版编制,查表均按该手册支座:跨中:c=bh/ah=M0=Mb=Ma=1 11.8kN.m 5.91kN.m7.77kN.m 3.89kN.m钢漏斗仓计算1.设计数据:(1)贮料种类:煤(3)工作条件(4)材料(2)贮料物理特性:结构重要性系数0:1钢材Q235焊条E43密度9kN/m3贮料冲击影响系数C1f215N/mm2内摩擦角30E206kN/mm2K0.333333333(tg2(45-/2)卸料口设备重g=10kN2.几何参数及重力特征截面下仓自重anbnhhVi斗重gkic=bh/ahXciYci倾角1倾角32=4 13mmmm3kNmm04.85.61.23
14、2.25614.85.61.2 15.2592121 83.1990.3010 66.485490 75.5 63.2 75.5224.5389313 5.2900151.8 13.5863779 67.9391.1654760.2150 66.485490 75.5 63.2 75.5234.2778626 4.9800312.4 12.0106566 54.353 1.16413990.1430 66.485490 75.5 63.2 75.5244.0167939 4.6700463 8.87526654 42.342 1.16263020.0810 66.485490 75.5 63.
15、2 75.5253.7992366 4.4117253.5 9.13362665 33.467 1.16121360.03660 66.485490 75.5 63.2 75.5263.3475797 4.1017414.1 7.39945983 24.334 1.22528540.02710 66.485472.3777 75.5 63.2 67.7372.8959228 3.7917564.7 5.83330099 16.934 1.30934280.01950 66.485472.3777 75.5 63.2 67.7382.4442658 3.4817715.3 4.43515034
16、11.1011.4244650.01330 66.485472.3777 75.5 63.2 67.7391.9926089 3.1717865.9 3.20500783 6.6656 1.59177560.00830 66.485472.3777 75.5 63.2 67.73101.540952 2.8618026.5 2.14287333 3.4606 1.85716460.0040 66.485472.3777 75.5 63.2 67.73111.089295 2.5518177.1 1.31771579 1.3177 2.34263150.00050 66.485472.3777
17、75.5 63.2 67.73120.62.2167.753.69333330 66.485472.3777 75.5 63.2 67.73115.4546m33.斜壁斜向拉力设计值Gi=Gi/(2a+2b)txtyNv1Nv2Nv3Nv4N1N2N3N40kNkN/mkN/mkN/mkN/mkN/mkN/mkN/mkN/mkN/m11462.657758 70.320085 1.18115741 83.05909 57.58108 57.5810803 83.059 90.581084 85.78561 57.5810803 85.78560521394.09072 70.917606 1.
18、1368743180.6244 61.21081 61.2108098 80.624 87.92590683.271 61.2108098 83.27099731311.367572 70.824299 1.09661971 77.66732 63.98128 63.9812796 77.667 84.701023 80.21684 63.9812796 80.21684341216.64424 70.028013 1.05830381 74.11091 65.94511 65.9451146 74.111 80.822541 76.54369 65.9451146 76.5436925113
19、0.09668168.81634 1.02786141 70.73366 66.89902 66.8990209 70.734 77.139439 73.05558 66.8990209 73.0555796984.5736827 66.084801 1.02311611 67.61242 64.55718 64.5571792 67.612 73.735537 69.83188 67.7358243 69.8318837834.2741647 62.373974 1.01893281 63.55489 61.19306 61.1930617 63.555 69.310541 65.64115
20、 64.2060655 65.6411538682.9279181 57.6209651.015011 58.48585 56.75608 56.7560755 58.486 63.782449 60.40572 59.5506124 60.4057249534.2647477 51.725781 1.01121571 52.30592 51.14564 51.1456376 52.306 57.042851 54.02293 53.663929654.0229310392.0143992 44.519231 1.0067716144.8207 44.21776 44.2177631 44.8
21、2148.87975 46.29199 46.3949427 46.29199311259.9066577 35.690563 1.00114671 35.73149 35.64964 35.6496351 35.731 38.967404 36.90442 37.404940136.9044212132.56148 23.53719511 23.53719 23.53719 23.5371946 23.537 25.668769 24.30983 24.6961112 24.3098324.斜壁计算钢板厚度设定WMmax/0.9f钢板厚取t=10mm9602.3mm3W=16667mm3加劲
22、肋选取W=Mmax/0.9f=78025.5mm3查表选用 L125X80X10A=49.71cm265时 I=1659cm4 W1=174cm3 W2=161cm375时 I=1419cm4 W1=149cm3 W2=180cm390时 I=1248cm4 W1=131cm3 W2=312cm34.1 1#侧壁(1)壁板计算水平肋间距a1 1=斜壁Pn1baa/bMmaxNN/A+M/(W)=a/150/mkN/m2mmkN.mkN/mN/mm2mmmm10.6 0.43945824.74614820.654337183 0.43945827.119222 5.546865260.62924
23、 0.1134410.10.09 0.3664453 87.92591 30.77930770.570183 4.36224789 0.130730.654337183 0.4394582 9.4922961 5.23679177 0.629285 0.1201660.10.09 0.4886626 84.70102 37.7898604 0.7602439 4.36224789 0.174340.654337183 0.439458211.865374.9267068 0.629335 0.1277390.10.09 0.6109256 80.82254 44.7377876 0.95030
24、49 4.36224789 0.217850.545280986 0.4394582 13.842932 4.62576776 0.524367 0.1133580.10.09 0.4948134 77.13944 37.4027461 0.5346687 3.63520657 0.147160.654337183 0.4394582 16.216006 4.35817994 0.629446 0.1444290.10.09 0.8352256 73.7355457.487088 1.2987501 4.36224789 0.297770.654337183 0.439458218.58908
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