铁路隧道曲线加宽

单位数值附注速度Vm/s120输入曲线半径Rm300输入W1＝4050/R+Hh/150W1＝4050/R+2.8h线间距Lcm400双线时W3＝L-400cm0双线时外侧超高h＝0.76V2/Rcm15外侧加宽W2＝4400/Rcm14.67总加宽W＝W1+W2+W3cm70.17偏距dcm20.42单线时内侧偏距d1=200-(W1-W2-W3)/2cm179.59外侧偏距d2=200+(W1-W2+W3)/2cm220.42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1216.79前点后点前点CK475+168.40CK476+159.12190CK475+146.00CK475+250.00CK476+078.00变坡点内侧加宽cm55.5项目双线双线时洞口坡度（‰)轨道高度隧道进出口路肩计算项目曲线加宽值计算加宽范围计算半加宽范围1(d/2)半加宽范围2(d/2)直缓点缓直点缓和曲线长后点前点后点CK476+182.00CK475+250.00CK476+078.00全加宽长度(d)加宽范围计算半加宽范围2(d/2)