Abstract
The reduction of the current road repair costs is possible to be ensured by reducing its labour intensity and increasing interrepair periods. To achieve these goals, it is proposed to create a system of the road planned preventive maintenance (RPPM) based on the automated road stress-strain state diagnostics with constant measurement of the surface deformation by using the GLONASS and GPS navigation satellite systems operating in real time mode. The RPPM system will be based on the Global Navigation Network of permanently operating base stations, which allow to continuously monitor the dynamics of changes in the stress-strain state of roads and effectively plan any repair works thereupon. A preliminary economic analysis showed that by using of permanent geonavigation base stations the road repair costs will be annually reduced by 18.57% for the first five years, and then by half in the following two years. In this case, the payback period will be 5.4 years. In order to adapt the existing geo-navigation control systems of road building machines to the Solution of the problem of road repairing it is necessary to make an appropriate experimental and design engineering development. The use of satellite measurements in the diagnosis of road conditions is the basis of the system of preventive maintenance in the road sector and the stage of development of the domestic intelligent transport system.
Highlights
For the reconstruction of existing and construction of new roads without an increase in funding, it is important to reduce their current repair and normative state maintenance cost components
It is necessary to create a system of the road planned preventive maintenance (RPPM) based on the automated road stress-strain state (SSS) diagnostics with the round-the-clock measurement of the surface deformation by the satellite signals of the GLONASS and GPS systems operating in real time mode (RTK)
Summarizing the existing positive experience of using Global Navigation Satellite System (GNSS) to control the operating tools of road-building machines by means of field base stations, it can be concluded that the transition to the use of permanent base stations (PBS) for the road SSS diagnostics will not require significant software changes, since the control task is replaced by a simpler control and signaling task
Summary
For the reconstruction of existing and construction of new roads without an increase in funding, it is important to reduce their current repair and normative state maintenance cost components. The "Safe and high-quality roads" national project’s implementation cost analysis shows that the project's goal – to make 80% of all the national roads corresponding to standards by 2026 – can be achieved only through a radical change in repair planning to be based on the full utilization of the road resource with the consequent workscope reduction This is possible only with the use of a preventive repair system, which is absent in the road sector. The reduction of the current repair costs without an increase in funding is possible by reducing the labour intensity and increasing interrepair periods To achieve these goals, it is necessary to create a system of the road planned preventive maintenance (RPPM) based on the automated road stress-strain state (SSS) diagnostics with the round-the-clock measurement of the surface deformation by the satellite signals of the GLONASS and GPS systems operating in real time mode (RTK). The actual problem is the RPPM system creation, based on the continuous roadnet stress-strain state monitoring and the timely minimum volume repair measures
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