| 摘要 |
FIELD: construction, road engineering. ^ SUBSTANCE: indicator for determination of ice crust creation start and development dynamics is related to the field of safety of movement on road surfaces in wheel transport vehicles in winter time and low season period. "Indicator" comprises body, disk, drive, sliding roller, yoke, two coils, alarm device AC power supply source. ^ EFFECT: provision of forecast and timely warning of transport vehicles drivers on unfavourable icy condition both by stationary and mobile indicators. ^ 1 cl, 1 dwg |
