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Design of Transportation Infrastructures

01RYCMX

A.A. 2021/22

2020/21

Design of Transportation Infrastructures

The predominant feature of the course is its “professionalizing” aspect and it aims to provide advanced knowledge in the field of transportation infrastructure design (i.e., roads, railways and airports). The course follows a sequential process that starts from knowledge of the various modeling techniques of the territory and ends with the design of horizontal and vertical alignments, edges and margins, slopes, and construction details. During the course certain key issues, relating to geometric and functional design, safety and economic analysis subject to compliance with rules and constraints, are presented. The topics covered deal with existing and planned transportation infrastructures. The official language of the course is English.

Design of Transportation Infrastructures

The predominant feature of the course is its “professionalizing” aspect and it aims to provide advanced knowledge in the field of transportation infrastructure design (i.e., roads, railways and airports). The course follows a sequential process that starts from the knowledge of the various modelling techniques of the territory and ends with the design of horizontal and vertical alignments, edges and margins, slopes, and construction details. During the course, certain key issues, relating to geometric and functional design, safety and economic analysis subject to compliance with rules and constraints, are presented. The topics covered deal with existing and planned transportation infrastructures. The official language of the course is English.

Design of Transportation Infrastructures

The course deals with the geometric and functional design (or re-design in the case of rehabilitation) of transportation infrastructures. The topics are introduced in such a way as to promote in each student the capacity to independently analyze problems from a professional point of view. Throughout the course, there will be opportunities to update students on the progress of scientific research in this specific field. In particular, the student will acquire the following skills: - ability to produce geometric drawings of infrastructures and their components, - ability to assess operational functionality and safety; - ability to estimate construction costs. For the final exams, the student needs to know: - the interactions between the various components of transportation infrastructures, - the models and methods useful for geometric and functional design; - the rules, regulations & standards currently in force. For the purposes of their judgment skills and ability to relate to other professionals, students have to be able to: - compile technical and descriptive reports, - adopt and motivate design choices, - draw tables of the project, - coordinate design groups; - communicate and engage with specialists from other civil engineering disciplines (structures, geotechnics, hydraulics, topography), - use the terminology specific to sector in an appropriate way.

Design of Transportation Infrastructures

The course deals with the geometric and functional design (or re-design in the case of rehabilitation) of transportation infrastructures. The topics are introduced in such a way as to promote in each student the capacity to independently analyze problems from a professional point of view. Throughout the course, there will be opportunities to update students on the progress of scientific research in this specific field. In particular, the student will acquire the following skills: - ability to produce geometric drawings of infrastructures and their components, - ability to assess operational functionality and safety; - ability to estimate construction costs. For the final exams, the student needs to know: - the interactions between the various components of transportation infrastructures, - the models and methods useful for geometric and functional design; - the rules, regulations & standards currently in force. For their judgment skills and ability to relate to other professionals, students have to be able to: - compile technical and descriptive reports, - adopt and motivate design choices, - draw tables of the project, - coordinate design groups; - communicate and engage with specialists from other civil engineering disciplines (structures, geotechnics, hydraulics, topography), - use the terminology specific to sector appropriately.

Design of Transportation Infrastructures

Knowledge of national and international regulations in various types of infrastructure courses (roads or infrastructure fundamentals) covered in the undergraduate courses. Students are required to attend the Construction of Roads, Railways and Airports course (graduate level). An understanding of written and spoken English is also mandatory.

Design of Transportation Infrastructures

Students are required to have fundamentals of Transportation Infrastructures from undergraduate programs, and to attend the Construction of Roads, Railways and Airports course (at the graduate level). An understanding of written and spoken English is also mandatory.

Design of Transportation Infrastructures

CONTENTS 1. Introduction 2. Aspects in common in the design of transportation infrastructures (40%) - Computer aided design - Terrain model formation - Horizontal and vertical alignment - Transition curves - Design levels - Computation and cost predictions 3. Roads (30%) - Principles and application of functional design - Geometric design rules - Safety analysis - Roadside hazards and protection - Intersections and interchanges 4. Railways (15%) - Technical characteristics of railways - Design principles of existing and planned lines - Track layout, switches and crossings 5. Airports (15%) - Organization - Runway design - Taxiway design

Design of Transportation Infrastructures

1. Introduction to transportation infrastructures in the world (5%) 2. Aspects in common in the design of transportation infrastructures (35%) - Computer-aided design - Terrain model formation - Horizontal and vertical alignment - Transition curves - Design levels - Quantity computation and cost estimation 3. Roads (30%) - Principles and application of functional design - Geometric design rules - Horizontal/vertical coordination - Safety and consistency analysis - Roadside hazards and protection - Intersections and interchanges 4. Railways (15%) - Technical characteristics of railways - Vehicle/railway interaction - Design principles of existing and planned lines - Track layout, switches and crossings 5. Airports (15%) - Airport organization - Aircraft performance - Aircraft/runway interaction - Runway design - Taxiway design

Design of Transportation Infrastructures

Video projector for slides during lectures and tutorials. No consumables. Lecture notes, handouts of the slides used in class, texts of design themes assigned and technical standards will be made available on the course webpage. Students will receive print credits for the printing of the book of exercises (A4 - A3 - A1 format).

Design of Transportation Infrastructures

Video projector for slides during lectures and tutorials. No consumables. Lecture notes, handouts of the slides used in class, texts of design themes assigned and technical standards will be made available on the course webpage. Students will receive print credits for the printing of the project.

Design of Transportation Infrastructures

With the sole exception of the introductory part of the course, for each topic there is a corresponding number of hours of exercise which serve to help students learn about computational tools and methods. The exercises will be assigned to distinct groups of no more than three students. They will include elaborated plans, longitudinal profiles and cross sections (typological and for computation purposes). Exercise on the functional design of roads have to be solved and included, together with the project, in the book of exercise. The book of exercises that will be checked during the final examination. Material for the exercises is provided on the website page of the course. Specific software for the design of infrastructure facilities will be available. As a rule, the group must include a self-completed work in order to complete each assignment. The lecturer and the instructor will provide continuous assistance in the lab.

Design of Transportation Infrastructures

With the sole exception of the introductory part of the course, there is a corresponding number of hours of exercise which serve to help students learn about computational and design methods and tools. A road project is assigned to distinct groups composed of no more than four students. It will include: - a technical and descriptive report (including operational analysis, speed profiles, sight analysis, geometric assessment, design of safety barriers, and cost estimation); - plans and longitudinal profiles, - cross sections (typological and for computation purposes). As a tutorial, exercises on the operational analysis and design of roads will be presented and solved, to support students in the project development. The project is checked at least three times during the course. It is expected to be delivered to the teacher within the week following the end of the course. The electronic copy of the project must be in a pdf format. The delivery must be processed via POLITOApp. Material for the project is provided on the website page of the course. Specific software for the design of infrastructure facilities will be available (OpenRoad ConceptStation and OpenRoad Designer from Bentley). It will be presented in the class and used by students as a design tool. As a rule, the group must include a self-completed work to complete each assignment. The lecturer and the instructor will provide continuous assistance in the lab and with tutoring meetings. Lectures: 40 hrs. Practice and tutorials: 20 hrs. (in the first two months) Tutoring (optional): 3 hrs. per group Seminars (optional): 6 hrs.

Design of Transportation Infrastructures

AA.VV., Strade. Teoria e Tecnica delle Costruzioni Stradali. Vol. I – Progettazione. Pearson ed. Wright, P., Highway Engineering, Ed. Whiley. Profillidis, V.A., Railway Management and Engineering, Ashgate ed. Horonjeff, R., McKelvey, F.X., Planning and Design of Airports, McGraw Hill. The following will be made available on the course webpage: - Teaching material (slides) presented during the lectures, - Exercise texts, - Design manuals, - Technical standards.

Design of Transportation Infrastructures

Suggested readings: AA.VV., Strade. Teoria e Tecnica delle Costruzioni Stradali. Vol. I – Progettazione. Pearson ed. Wright, P., Highway Engineering, Ed. Whiley. Profillidis, V.A., Railway Management and Engineering, Ashgate ed. Horonjeff, R., McKelvey, F.X., Planning and Design of Airports, McGraw Hill. The following will be made available on the course webpage: - Teaching material (slides) presented during the lectures, - Exercise texts, - Design manuals, - Technical standards.

Design of Transportation Infrastructures

Modalità di esame: Prova orale obbligatoria; Elaborato progettuale in gruppo;

Design of Transportation Infrastructures

An individual oral examination, lasting 45 minutes, will be held via the BBB Virtual Classroom platform. To be admitted to the oral exam it is necessary to obtain a positive evaluation in the project. The oral exam consists of at least three questions. The examination has the objective to assess if the student has acquired sufficient autonomy and ability to understand and solve the proposed design problem, in compliance with mandatory and non-mandatory design rules. The final evaluation is based on both the evaluation of the oral (50%) and the project (50%).

Design of Transportation Infrastructures

Exam: Compulsory oral exam; Group project;

Design of Transportation Infrastructures

An individual oral examination, lasting 45 minutes, will be held via the BBB Virtual Classroom platform. To be admitted to the oral exam it is necessary to obtain a positive evaluation in the project. The oral exam consists of at least three questions. The examination has the objective to assess if the student has acquired sufficient autonomy and ability to understand and solve the proposed design problem, in compliance with mandatory and non-mandatory design rules. The final evaluation is based on both the evaluation of the oral (50%) and the project (50%).

Design of Transportation Infrastructures

Modalità di esame: Prova orale obbligatoria; Elaborato progettuale in gruppo;

Design of Transportation Infrastructures

An individual oral examination, lasting 45 minutes, will be held via the BBB Virtual Classroom platform. To be admitted to the oral exam it is necessary to obtain a positive evaluation in the project. The oral exam consists of at least three questions. The examination has the objective to assess if the student has acquired sufficient autonomy and ability to understand and solve the proposed design problem, in compliance with mandatory and non-mandatory design rules. The final evaluation is based on both the evaluation of the oral (50%) and the project (50%).

Design of Transportation Infrastructures

Exam: Compulsory oral exam; Group project;

Design of Transportation Infrastructures

An individual oral examination, lasting 45 minutes, will be held via the BBB Virtual Classroom platform. To be admitted to the oral exam it is necessary to obtain a positive evaluation in the project. The oral exam consists of at least three questions. The examination has the objective to assess if the student has acquired sufficient autonomy and ability to understand and solve the proposed design problem, in compliance with mandatory and non-mandatory design rules. The final evaluation is based on both the evaluation of the oral (50%) and the project (50%).



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