FIELD: construction of sportive and entertainment structures, in particular, covered roads for carting.
SUBSTANCE: ramp for connecting horizontal road parts arranged at different levels is made as road part consisting of three portions continuously joined with one another so that longitudinal axis of first portion ensuring continuous joining of ramp with higher horizontal road part is made as portion with vertical section made as convex transition part; longitudinal axis of second portion has vertical section inclined toward horizontal plane at an angle of 11-19 deg; longitudinal axis of third portion providing continuous joining of ramp with lower horizontal road part has vertical section made in the form of concave transition curved part. Radius of convex transition portion is 13-15 m and radius of concave transition curved part is 50-52 m. Longitudinal axis of three portions is made in the form of curved line in plan having curvature radius of 13-21 m. Ramp road bed has transverse gradient of 1-3%. Closed racing road consists of parts arranged one above another at different levels relative to ground. Road is positioned within covered premise. Each horizontal part of road arranged at one level has in plan the shape of loop, so that carts move in opposite directions along adjacent portions of surface of said level. Turning portion of loop and other turning portions of road are arranged adjacent to walls and constructional parts of building. Unused parts are occupied with constructional parts of building and auxiliary premises. Horizontal parts of road arranged at different levels are connected with one another through ramps making road part consisting of three continuously joined portions. Longitudinal axis of first portion ensuring continuous joining of ramp with lower horizontal part of road is formed as convex transition curved line in vertical section. Longitudinal axis of second portion in vertical section is inclined toward horizontal plane at an angle of 11-19 deg. Longitudinal axis of third portion ensuring continuous joining of ramp with lower horizontal road part is concave transition curved line in vertical section. Safety guard is positioned along edges of road.
EFFECT: reduced area of covered premise for road and safe movement of carts.
10 cl, 5 dwg
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