曲线加宽计算

单位数值附注速度Vm/s120输入曲线半径Rm2000输入W1＝4050/R+Hh/150W1＝4050/R+2.8h线间距Lcm492双线时W3＝L-400cm92双线时外侧超高h＝0.76V2/Rcm5.472外侧加宽W2＝4400/Rcm2.2总加宽W＝W1+W2+W3cm111.55偏距dcm7.58单线时内侧偏距d1=200-(W1-W2-W3)/2cm2.384外侧偏距d2=200+(W1-W2+W3)/2cm2.536数值附注-4里程CK487+700前点路肩高程1220.97轨面高程1222.071.1里程CK489+020路肩高程1215.69轨面高程1216.79z前点后点DK058+331.66DK058+741.2050DK058+309.00DK058+343.00前点后点DK021+031.16DK021+818.20140DK021+009.00DK021+088.00直缓点缓直点缓和曲线长半加宽范围1(d/2)cm17.35项目双线双线时加宽范围计算半加宽范围1(d/2)直缓点曲线加宽值计算变坡点内侧加宽缓直点缓和曲线长洞口坡度（‰)轨道高度隧道进出口路肩计算项目4.92前点后点前点后点DK58+730.00DK058+764.00DK058+343.00DK058+730.00前点后点前点后点DK21+762.00DK021+841.00DK021+088.00DK021+762.00全加宽长度(d)半加宽范围2(d/2)全加宽长度(d)加宽范围计算半加宽范围2(d/2)