Analytical formula of trackdeformation under a single wheel load was derived by establishing the differential equation of track vibration.
通过建立轨道振动微分方程，得到了单轮作用下轨道变形的解析表达式。
2
The analytical formula of trackdeformation under a single wheel load has been deduced by establishing the track vibration differential equation.
本文通过建立轨道振动微分方程，得到单轮作用下轨道变形的解析表达式。
3
Urban rail transit adopts jointless track that has strict requirements on trackdeformation during its operation when a tunnel construction is underway under it.