FIELD: railway transport; testing.
SUBSTANCE: according to proposed method of measuring vertical rigidities of rail lines by track testing car forces are measured by which track testing car acts on wheels when wheel-sets pass each fixed point. At initially different static loads on axle, vertical irregularities of rail lines are measured by means of two wheel-sets using cordless method. Values of vertical rigidities of rail lines are found as ratio of difference of forces acting onto corresponding (left-hand or right-hand) rail line to difference of vertical irregularities of corresponding rail line in fixed point. Mean rigidity of rail track in each fixed point is determined as mean arithmetic value of vertical rigidities of each rail line.
EFFECT: improved accuracy of measurement of rigidity of rail lines.
3 cl
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