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一、双线半自动闭塞不是发展方向 目前我国的线半自动闭塞区段有2100多公里,其中武昌—衡阳和郑州—宝鸡两段最为集中,其平图能力N=1440/T。(T=t+τ连,T是双线半自动闭塞区段的运行图周期,t是区间走行时分,τ_连是连发间隔时分,一般为5分钟,线路所为4分钟)。 按4‰坡度长10公里的区间,前进型牵引3000吨的t约15分钟,(T=20,N=72对),
First, the two-lane semi-automatic occlusion is not the direction of development At present, China’s line of semi-automatic block section has more than 2100 km, of which Wuchang - Hengyang and Zhengzhou - Baoji two sections are most concentrated, and its planar ability N = 1440 / T. (T = t + τ, where T is the cycle diagram of the semi-automatic block of double line, t is the interval of travel, τ_ is continuous intervals, usually 5 minutes, the line is 4 minutes). By 4 ‰ gradient 10 km long range, forward-type traction 3000 tons of t for about 15 minutes, (T = 20, N = 72 pairs),