| Content: |
Road transport systems, Determining terrain conditions and extracting terrain cross-sections using a contour map, General definitions related to road elements, Content of the General Directorate of Highways Technical Specifications for Roads, Road classes and road geometric standards, Route alignment, Drawing the zero polygon, Horizontal and vertical curve applications, Longitudinal gradient, definition and standards, Longitudinal section characteristics and extraction technique, Definition and extraction of black level and red level, Design speed, Safe stopping and passing distance, Types of road cross-sections and extraction of cross-sections, Cross-section area calculation, Types of superelevation and calculation, Fill and cut works, Calculation of fill and cut using longitudinal and cross-sections and preparation of volume tables, Engineering structures, Retaining walls, Culverts, ditches, head ditches, Aqueduct and Viaduct concepts, Determination of road base levels, Determining layer thicknesses in the field, Levelling the road route, Spreading stabilised material on the road base, Types of compaction equipment (rollers), Road surface materials, Asphalt surfacing, Concrete surfacing, Determining the thickness of surfacing according to the class of the road and the bearing capacity of the subgrade. |