埋地鑄鐵鋼管結(jié)構(gòu)計(jì)算

1、1.基本資料,一般無需修改參數(shù)1)材料性能,需要根據(jù)實(shí)際填寫參數(shù)管材彈性模量Ep(kN/m2),原狀土變形模量En(kN/m2),管側(cè)回填土變形模量Ee(kN/m2),Ee/En,管中心處槽寬Br(m),Br/D1,計(jì)算依據(jù),CECS142160000000.0000 ,5000.0000 ,3000.0000 ,0.6000 ,3.0000 ,4.7244 ,管側(cè)土綜合變形模量Ed(kN/m2),抗拉強(qiáng)度ftd(N/mm2),回填土重度rs(kN/m3),管材重度ri(kN/m3),水重度rw(kN/m3),1.0200 ,3060.0000 ,230.0000 ,18.9000 ,70.5

2、000 ,10.0000 ,2)幾何參數(shù),單車輪著地分布長(zhǎng)度a(m),單車輪著地分別寬度b(m),管壁計(jì)算寬度b0(m),管壁設(shè)計(jì)厚度t(m),管內(nèi)徑D(m),管外徑D1(m),0.2000 ,0.6000 ,1.0000 ,0.0131 ,0.6088 ,0.6350 ,管中心直徑D0(m),管中心半徑r0(m),管外壁半徑r1(m),管壁計(jì)算厚度t0(m),設(shè)計(jì)地面高程(m),管中心高程(m),0.6219 ,0.3110 ,0.3175 ,0.0113 ,18.6100 ,17.0000 ,管壁縱向截面單位長(zhǎng)度的截面慣性矩Ip(m4),管頂高程(m),管頂至地面覆土高度Hs(m),設(shè)計(jì)外

3、水位(m),0.0012 ,17.3175 ,1.2925 ,18.0000 ,3)計(jì)算系數(shù),自重分項(xiàng)系數(shù)rG1,豎向土壓分項(xiàng)系數(shù)rG,sv,水重分項(xiàng)系數(shù)rGw,管道構(gòu)件重要性系數(shù)0,內(nèi)水壓力、地面車載、堆積荷載分項(xiàng)系數(shù)rQ,抗浮穩(wěn)定性抗力系數(shù)Kf,1.2000 ,1.2700 ,1.2000 ,1.0000 ,1.4000 ,1.1000 ,土弧基礎(chǔ)包角,自重彎矩系數(shù)kgm,豎向土壓彎矩系數(shù)kvm,水重彎矩系數(shù)kwm,豎向壓力變形系數(shù)kb,變形滯后效應(yīng)系數(shù)DL,90.0000 ,0.1020 ,0.1570 ,0.1020 ,0.0960 ,1.5000 ,彎矩折減系數(shù),可變作用組合系數(shù)c,

4、0.8500 ,0.9000 ,2.荷載計(jì)算,1)鋼管自重G1k(kN/m),1.8035 ,2)豎向土壓力Fsv,k(kN/m),15.5119 ,3)管內(nèi)水重Gwk(kN/m),2.9095 ,4)設(shè)計(jì)內(nèi)水壓力Fwd,k(kN/m2),4500.0000 ,工作壓力標(biāo)準(zhǔn)值Fwk(kN/m2),4000.0000 ,5)地面堆荷載qmk(kN/m2),10.0000 ,準(zhǔn)永久值系數(shù)q,0.5000 ,6)地面車輛荷載qvk(kN/m2),15.4007 ,兩量汽-20,后輪著地,單個(gè)輪壓壓力標(biāo)準(zhǔn)值Qvk(kN),動(dòng)力系數(shù)d,車行地面至管頂距離z(m),n(輪總個(gè)數(shù)),65.0000 ,1.0

5、000 ,1.2000 ,4.0000 ,相鄰量輪壓的凈距d1(m),相鄰量輪壓的凈距d2(m),相鄰量輪壓的凈距d3(m),準(zhǔn)永久值系數(shù)q,1.8000 ,1.3000 ,1.8000 ,0.5000 ,7)地下水浮托壓力Ffw,k(kN/m2),13.1750 ,3.強(qiáng)度計(jì)算,工況1地面汽車荷載,設(shè)計(jì)內(nèi)水壓力下管壁截面上拉力設(shè)計(jì)值N(kN),分子,分母,M(kN.m),判別值(N/mm2),1763.0865 ,1.4813 ,1.2938 ,1.1449 ,210.4643 ,OK！,工況2地面堆積荷載,N(kN),分子,分母,M(kN.m),判別值(N/mm2),1763.0865 ,1.3020 ,1.2938 ,1.0063 ,203.9206 ,OK！,4.抗浮計(jì)算,各種抗浮作用標(biāo)準(zhǔn)值和FGK (kN/m),17.3154 ,8)地下水浮托力標(biāo)準(zhǔn)值Ffw,k(kN/m),8.3661 ,kf,2.0697 ,OK！,5.剛度（變形）驗(yàn)算,工況1地面汽