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Politecnico di Torino
Academic Year 2009/10
01FMRAY
Highway Geometric Design
Master of science-level of the Bologna process in Civil Engineering - Vercelli
Teacher Status SSD Les Ex Lab Tut Years teaching
Bassani Marco ORARIO RICEVIMENTO AC ICAR/04 22 32 0 0 7
SSD CFU Activities Area context
ICAR/04 5 D - A scelta dello studente A scelta dello studente
Objectives of the course
The course of Highway Geometric Design deals with road project advanced methodologies with reference to the recent cultural and norm innovation. After a first hint to basic concepts acquired during the Highways, Railways and Airports Construction course (recently called Theory of Transportation Infrastructures course), geometric design classical themes will be illustrated with particular attention to the ambient and other infrastructure relationship and to traffic components different aspects.
The course is divided into three sessions and in laboratory activities within LADISPE. In particular, during the laboratory workshops, students will learn how to use design software in order to solve their assignment.
The first session will be an overview of the fundamentals which students have been thought during the basic course: roads classification and section functional tests of both sections and road intersections.
The second session will illustrate the dimensioning methods and alignment tests within the comfort and safety boundaries established by norms. Topics will be presented according to the classical design practice flow, starting from horizontal and vertical alignment definition, through the cross section building, up to the surface and preparatory volume for work cost computation.
The third session will concentrate on road infrastructure renewing problems in terms of active and passive safety for the different users categories, according to what the legislator will establish within the new laws definition.
Workshops allows to turn the theoretical lesson topics into practice. Students will be divided into workgroups of two people and they will have the duty to design a road section and, starting from a 3D model, they will elaborate graphs, relationships, metric computation estimates.
Expected skills
Lessons attendance will allow the student to acquire independence in order to design any kind of road regarding the dimensioning and cost analysis of the infrastructure.
Prerequisites
The student would know the civil engineering basics, with particular reference to the Theory of Transportation Infrastructures and to the Highways, Railways and Airport Construction.
Syllabus
1st Session - Hints
Road-land relationship, functional classification of road network, infrastructure renewing, norm framework and road design level. Methods of road section functional design (sections, intersection with traffic lights, ramps and exchange areas)
2nd Session ' Highway design calculation
Alignment design (horizontal and vertical alignment, representation techniques, plan and tables of the alignment, vertical profile, alignment analysis). Cross section design (carriageway and platforms, roadside marginal elements design, structures and drainage systems). Intersections (types, organization and access to the road network). Earthwork calculation (evaluation methods of the different design levels, cross sections, areas and volumes computation, costs estimate).
3rd Session ' Elements of road safety and road rehabilitation
General problems (vehicle dynamic balance, users, road space visibility, information technology and road lighting). Safety analysis, passive safety devices, outline geometric consistency. Renewing and functional adaptation, norm framework, restoration and rehabilitations of highways.
Laboratories and/or exercises
1. String modelling
2. Digital Terrain Model
3. Horizontal and vertical alignment
4. Alignment tests
5. Platform
6. Roadside design
7. Earthwork calculation
8. Costs estimate
Bibliography
Esposito T., Mauro R., La Geometria Stradale, vol.I e II, Hevelius Edizioni

During the course the teacher, through the didactic portal, will make the following documents available:
1. lesson slides;
2. workshops handouts;
3. norms;
4. software user manuals.
Revisions / Exam
There will be an oral exam regarding lessons' contents and the presentation of the design project.

Programma definitivo per l'A.A.2009/10
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