CSE430. Road Construction I (ects: 5)

The course's intention is the comprehension of the theoretical background, the guidelines and the other necessary essentials for road designing as well as performing all the required calculations
Introduction. Designing and carrying out a road project. Polygonal of the alignment. Design speed, operational speed V85, permissible speed. Design elements for plan view. Tangent, circular curve, spiral curve. Spiral curve patterns. Design elements for longitudinal profile. Longitudinal grades. Crest and sag vertical curves. The zero (cuts - embankments) vertical profile. Design elements for cross sections. Cross slopes. Pavement rotation methodologies. Pavement edge line slope. Pavement edge line / cross slope diagrams. Basic elements of road cross section. Cross section formation. Road classification. Typical road cross sections. Widening. Stopping sight distance. Passing Sight distance. Sight distance in road design. Sight distance in horizontal and vertical profile. Sight distance diagrams.
Earthworks of road projects. Earthworks calculations. Surface definition. Earthworks volume assessment. Applied length and intermediate surface methods. Earthworks table. Mass haul diagram. Distribution lines. Defining optimized distribution line. Calculation of the intermediate distance and cost of cut carriage. Pavement design principles and pavement types. Ground classification. Traffic volumes. Construction and layer materials of asphalt pavements. Traffic engineering elements. Road design in 3D. Basic principles for the design of horizontal and vertical profile as well as their combinations