Fig 1.
Roadway bending forming principle.
Fig 2.
Curve simplified model.
Fig 3.
Roadway curve contour simulation.
Fig 4.
The influence of different variables on the radius of roadway curve.
Fig 5.
RBF interpolation model establishment process.
Fig 6.
Theoretical calculation data and RBF interpolation model calculation data.
(a) Theoretical value. (b) Interpolation calculated value. (c) The difference between the theoretical value and the predicted value.