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A. S. Konorev ESTIMATION OF A DYNAMIC IMPACT OF TRANSPORT FACILITIES ON THE ROAD STRUCTURE FOR CALCULATING VALUES OF REDUCTION FACTORS

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Author(s): A. S. Konorev

Journal: Scientific Herald of the Voronezh State University of Architecture and Civil Engineering
ISSN 2075-0811

Volume: 4;
Issue: 4;
Start page: 45;
Date: 2012;
Original page

Keywords: dynamic impact | road structure | road surfacing | road | multi-axle vehicles | dynamic amplification factor | reduction factor

ABSTRACT
Statement of the problem. The purpose of this study is to obtain data on the level of dynamic im-pact of multi-axle vehicles on the road structure and to establish the dependence of its value on the level of evenness of highway surfacing, a fully loaded mass of vehicles and its rate of speed.Results. Multi-axle vehicle stock and their speed modes were analyzed. Computational models of various types of freight vehicles were developed in the program complex “Multiple-purpose gear”. A numerical experiment to evaluate a dynamic impact of a traffic flow of multi-axis freight vehi-cles on the road structure was carried out.Conclusions. The values of the dynamic amplification factor of 95 % and factors of reduction for the most common types of freight vehicles in the Russian Federation were defined. The dependences of their values on evenness of a road surfacing, speed rate and a fully loaded mass of a vehicle were established.
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