In the near future, Slovenia will require a thorough reconstruction of the road network. Recent assessments of the condition of our roads have shown an alarming deterioration of our current public roads network. This is also an opportunity to increase the volume of construction of concrete pavement. Foreign experiences point to a number of advantages of concrete pavement in comparison to asphalt.
The objective of this work is to show an overview of the current requirements in the field of design for concrete pavement in Slovenia and their comparison with the requirements of foreign regulations. Therefore we have to acknowledge that concrete pavements abroad are designed for a life span of 30 years, which is something we want to achieve. In the first part of the thesis we present the construction and design bases for the implementation of concrete pavements. Currently known systems of pavement structures and types of joints are studied in detail. Requirements for the installing and materials used in subbase and base courses are also given. We pointed out the shortcomings of the procedure for dimensioning of pavement structures used in Slovenia and suggested another one.
In the second part we focus on the preparation of concrete mixture. The requirements of Slovenian regulations for components and concrete mixture were gathered and compared against foreign regulations. Due to the result, we suggest an update of Slovenian requirements. An overview of cements showed that we do not produce a cement whose primary purpose is to prepare the wearing course of pavement structures. A decision was made to develop a laboratory cement CEM II/B-S 42,5N. Developed cement was used for the preparation of a concrete mixture that meets the requirements for the wearing course of pavement structures. Through investigations of fresh and hardened concrete, we evaluated the adequacy of the components used, mainly cement and concrete mixtures.
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