FIELD: construction.
SUBSTANCE: invention relates to road construction, in particular to protection of automotive and railway lines against snow, side wind, sand deposits on the flat area and in steppes, where of large areas "accelerating" the air flow, in order to protect the road surface in winter time-at transfer of snow mass with the blizzard flow, and in summer time at transfer of dust and sand at wind, having relative to a constant speed and direction. Result is achieved by the fact that the PD is movable platforms engaged between with one another each of which has a movable base with supports installed in seats of the protective shield with probe, the movable base is made with possibility of vertical movement relative to the platform by installed between lifting device.
EFFECT: simplified design of the protective device (PD) while ensuring high degree of protection of roads from action of wind, snow and sand deposits.
5 cl, 2 dwg
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