Influence of the Load-Carrying Capacity of Vehicles when Performing Repair Works of Road Pavements by Means of the Jet-Injection Method
| Autor: | Piletskii, M.E., Andrianov, K.A., Zubkov, A.F. |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: | |
| DOI: | 10.25987/vstu.2020.45.1.004 |
| Popis: | Statement of the problem. Upon the completion of repair works to eliminate defects such as potholes on non-rigid surfacing, traffic flow starts with no consideration given to the properties of a bitumen-mineral mix and load-carrying capacity of a traffic flow, which leads to the failure of the material in a surfacing pothole when applying the jet-injection method. Results. The results of experimental studies on the effect of load on the rheological characteristics of bitumen-mineral mixtures are presented. The regularities between the strength and rheological characteristics of the bitumen-mineral mix taking into account the thickness of the mixture layer are established. According to the results of the experiment, the dependence of the compaction coefficient of the bitumen mineral mixture on the layer deformation under the action of the transport load was established. There are some restrictions on the carrying capacity of vehicles on the repair areas of a surfacing during the formation of the structure of the pothole material. Conclusions. It is proved that the use of the jet-injection method in pothole repairs of a non-rigid surfacing does not provide the required characteristics of the material after it has been laid. To improve the quality of repairs, an additional compaction of a laid mixture in a pothole using vibration plates or vehicles with axial load limitation during the formation of the material structure in a pothole is required taking into account the properties of the bituminous mineral mix. №1(45) (2020) |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|