Abstract
Existing experience of unpaved road constructions reinforced by geogrids is described in the article, amended by own practical experience of reinforcement usage in unpaved road constructions. The Object of the research is reinforced and non-reinforced unpaved road constructions. The Purpose of the research is to determine influence of unpaved constructions reinforcement by rigid geogrids on overall bearing capacity and its deviation. The Methods of the research are field bearing capacity dynamic testing and statistic data analysis. The article is a long-term study generalization of unpaved road constructions with grained layers reinforced by rigid geogrids. The study was performed within the period of 2017-2019, and it covers both the construction and operation stages within the period of moisture accumulation and during the drainage period. The results of the study can be used for design and calculation for road constructions by geogrids and geotextile. Forecast assumptions about the object of the research are expansion of the experimental base, taking into account different test methods, different reinforcing materials and different construction conditions.
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