第二章-铁路路基设计总结

234¾4%¾¾34.2(m)20812-1:1.51:1.7520128-1:1.51:1.758--1:1.3--20--1:1.5--,5¾4%2‰8‰1/250.2m0.4m0.6m2501--1.5mq=220/1.5=146.67kN/m220kN92kN/m80kN/m30m1.5m-44-h0γ⋅=00lph-45-——„2.1„„„„„„22)100/3.01()100/5.01(VPPVPPsdsd+=+=2APPRr=2•••23135cm230cm1:215~25cm5m(m)20812-1:1.51:1.7520128-1:1.51:1.758--1:1.3--20--1:1.5--(8.012.0m)1•••2αsin⋅=WTαLNWβLcWT⋅+⋅=ϕαtancos'αϕαsintancos'WLcWTTFs⋅+⋅==THc=0αϕαϕαtantansintancos'=⋅==WWTTFsα=βFsFS=1β=ϕαFs1.251.15dWc11915K.E.PettersonϕFsdWRACcMMFsrs⋅⋅⋅===bi+1WiRo108976543211211WiNiTiEiEi+1θi22Ni=Wicosθi;Ti=Wisinθi1243T’T’=Nitanϕ+cli=Wicosθitanϕ+cli∑∑∑∑++⋅⋅=)'tan(TNlcRMiirϕ∑∑⋅=isTRM:∑∑∑∑∑∑∑∑∑∑++⋅=⋅++⋅⋅==iiiiiisrsTTNlcTRTNlcRMMF'tan)'tan(ϕϕW.FelleniusORbαβϕβαbβαb10.5632629304011.752945263510.7535182939122634253511452837131826253511.254830273530151119253711.533472635ϕ0hoh11:m4.5HKKminK2K3K1,K,K,3AAAB150mm•AB•ABCC500mm1232%•200mm2/3•ABCDEE,.•ABCD•••21.2