交通运输驼峰课程设计数据

一 、画调车场头部难行线展开图由平面展开图可计算出自驼峰顶至各点p的长度，见下表：P0.000P121.819P180.271P266.8P33.5P127.999P195.671P291.392P5

一、画调车场头部难行线展开图 p 由平面展开图可计算出自驼峰顶至各点的长度，见下表： 0.000 121.819 180.271 266.8 P P P P 33.5 127.999 195.671 291.392 P P P P 54.68 147.198 214.270 370.226 P P P P 63.982 155.045 224.626 383.723 P P P P 93.982 165.45 230.153 408.723 P P P P 107.419 175.631 237.979 537.323 P P P P 二、计算峰高 L=L=L== 根据调车场头部计算得：538.723408.723130m67.71152781° n=5.5Q=34t (1)计算单位总阻力 r=1.529+2.023[e-e]-0.0107Q+(0.428-0.0037Q)v 1.28σ+(1-k)0.4 =1.529+2.023[e-e]-0.010734)4.5 1.280.77+0.4 =5.0723N/KN =arctan==31.741 ) r=( =) ( =1.4275N/KN L()+L()+8+24n H=[r+rr+r]10+ 408.723(1.4275)+1301.4275)+8+24 =[*5.0723+*(4.6723+*67.71152781*5.5]10+0 =4.2746m