Road Engineering

Teacher

Sagarika Panda

Category

Core Courses

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Course Name : Road Engineering

Code(Credit) : ABC01(1-1-1)

  • To introduce transportation engineering principles with emphasis on designing principal element of highways along with the safe and efficient operation of highways.

Course Objectives

Learning Outcomes

  • Students will gain knowledge on planning, material selection for construction, Economics and finance and designing of elements on highway.
  • Acquire the skill of designing the geometric elements of highway using CIVIL 3D software.

Course Syllabus

THE CLASSES WILL BE DELIVERED IN FLIP CLASS MOD

Module I: Highway introduction planning and development (1 hr)

Highway planning in India, development, rural and urban roads, road departments in India, road classification, road authorities i.e. IRC, NHAI, CRRI, NHDP etc.

Module II: Materials Characteristics and  construction (6 hrs)

Introduction, physical and engineering properties of materials of pavement surfaces: Pavement quality concrete (PQC), Plain cement concrete(PCC), Hot Mix Asphalt (HMA), wearing courses, base, sub-base treated layers, types of bitumen, cutback bitumen, bitumen emulsion, tar, types of tar, bituminous mix design.

Practice Sessions: 

Test on aggregate

  1. Los angeles abrasion test.
  2. Aggregate crushing test
  3. Aggregate Impact value test
  4. Specific gravity, water absorption, and bulk density

Test on bitumen

  1. Penetration test of bitumen
  2. Ductility value test of bitumen
  3. Softening point test of bitumen
  4. Flash and Fire point test of bitumen
  5. Specific gravity of bitumen
  6. Flakiness index and elongation index test of Aggregate

Test on mix design

  1. Marshall Stability Test of bitumen

Test on subgrade

  1. California bearing ratio test

Module III: Geometric design of roads   (12 hrs)

Theory

Introduction to geometry design: Objective of geometric design, Design speed, cross-section elements, pavement surface characteristics-skid resistance, traffic volume, number of lanes, level of services, sight distance, horizontal alignment, vertical alignment, Superelevation, camber, cross-section, lane width. 

Practice Sessions:

  1. Design of Horizontal Alignment using CIVIL 3D software.
  2. Design of Vertical Alignment using CIVIL 3D software.
  3. Design of Superelevation using CIVIL 3D software.
  4. Create a profile using CIVIL 3D software.

Module IV: Pavement Engineering (8 hrs)

Design of Flexiblepavements and Rigid pavements according to standards.

Practice Sessions:

  1. Design of flexible pavements
  2. Design of rigid pavement

Module V:   Traffic Engineering(4 hrs)

Introduction to traffic engineering, road user characteristics, vehicular characteristics, various traffic studies and their application (field study), traffic signals, traffic signs and road marking, parking studies, traffic operations-accident prevention and safety methods, rotary intersection, ITS (intelligent transportation system)Various types of intersection and their design concept

Practice Sessions:

  1. Junction design using civil 3d software
  2. Vehicle volume counts (field study)

Module VI: Construction methodologies (3 hrs)

Cement Concrete Roads: Joints in pavements, Arrangement of joints, joint filler and sealer, Introduction, Components, I-Girder, Box culvert, VUP(Vehicle underpasses), PUP (Pedestrian underpasses), Road construction equipment, Machines used, Estimate a road project, PPP model.

Practice Sessions:

  1. Estimate a road project

Module VII: Pavement evaluation and rehabilitation   (1 hr)

Pavement failures, quality control causing deterioration and environmental factors, types of maintenance, maintenance of bituminous and concrete surfaces, roughness measurement, special repairs in pavements, strengthening and widening of an existing road.

Text Books:

  1. k.khanna and C.E.G JUSTO, Highway engineering.
  2. R Kadiyali, Traffic engineering and N B Lal, Principles and practice of highway engineering, Khanna Publications, 2005

 

Course outline                                       Prepared by Sagarika Panda                    Date:

 

Session Plan

Session 1

Highway planning in India, development, rural and urban roads, road departments in India, road classification , road authorities i.e. IRC, NHAI, CRRI, NHDP etc.

https://www.youtube.com/watch?v=t-qE6ZlSV9Y https://www.youtube.com/watch?v=IbiJw08px0A

Session 2

Introduction, physical and engineering properties of materials of Rigid pavement surfaces: Pavement quality concrete (PQC), Plain cement concrete(PCC).

 

https://www.youtube.com/watch?v=lQ9CJTc9yps https://www.slideshare.net/MDMOZAFFARMASUD/unit-5-76718845

Session 3

Materials for flexible pavement  - Hot Mix Asphalt (HMA),wearing courses, base, sub base treated layers, types of bitumen, cutback bitumen, bitumen emulsion, tar, types of tar, bituminous mix design.

https://www.youtube.com/watch?v=lQ9CJTc9yps https://www.slideshare.net/MDMOZAFFARMASUD/unit-5-76718845

Session 5

  1. Specific gravity, water absorption and bulk density
  2. Penetration test of bitumen
  3. Ductility value test of bitumen
  4. Softening point test of bitumen

http://vlabs.iitb.ac.in/vlabs-dev/labs/nitk_labs/Transportation_Engineering_Lab/experimentlist.html https://www.civil.iitb.ac.in/~kvkrao/uploads/5/9/3/7/59372049/ce742lec_25_26.pdf

Session 6

  1. Flash and Fire point test of bitumen
  2. Specific gravity of bitumen
  3. Flakiness index and elongation index test of Aggregate

http://vlabs.iitb.ac.in/vlabs-dev/labs/nitk_labs/Transportation_Engineering_Lab/experimentlist.html https://www.civil.iitb.ac.in/~kvkrao/uploads/5/9/3/7/59372049/ce742lec_25_26.pdf

Session 8

Introduction to geometry design:Objective of geometric design, Design speed, cross section elements, pavement surface characteristics-skid resistance.

https://www.youtube.com/watch?v=T36Tg77Y_Ww https://www.youtube.com/watch?v=g7HW6apnh3g

Session 9

Traffic volume, number of lanes, level of services, sight distance, horizontal alignment, vertical alignment, Super-elevation, camber, cross section, lane width.

https://www.youtube.com/watch?v=T36Tg77Y_Ww https://www.youtube.com/watch?v=g7HW6apnh3g

Session 10-11

  1. Importing survey point
  2. Surface creation
  3. Triangulation
  4. Slope detection
  5. Contour Mapping

Session 12-13

  1. Design of Horizontal Alignment using CIVIL 3D software.

Session 14-15

  1. Design of Vertical Alignment using CIVIL 3D software.

Session 16-17

  1. Design of Super elevation using CIVIL 3D software.

Session 18-19

  1. Create profile using CIVIL 3D software.

Session 20

Design of Flexible pavements  according to standards.

Session 21

Design of  Rigid pavements according to standards.

Session 22-23-24

  1. Design of flexible pavements

Funtion of load carrying capacity, layer of roads, CBR , Vehicle wheel load, Axle load, Configuration of vehicle wheels or track, Design life

Session 25-26-27

  1. Design of rigid pavements

Wheel  load distribution, combination of load stress, frictional stress, warping stress

Session 28

Introduction to traffic engineering, road user characteristics, vehicular characteristics, various traffic studies and their application (field study), traffic signals, traffic signs and road marking, parking studies

Session 29

Traffic operations-accident prevention and safety methods, rotary intersection, ITS (intelligent transportation system)Various types of intersection and their design concept

Session 30

  1. Junction design using civil 3d software

Session 31

  1. Vehicle volume counts (field study)

Session 32

Cement Concrete Roads: Joints in pavements, Arrangement of joints,joint filler and sealer,Introduction, Components, I-Girder, Box culvert, VUP(Vehicle underpasses), PUP (Pedestrian underpasses), Road construction equipments, Machines used, Estimate a road project, PPP model.

Session 33-34

  1. Estimate a road project

Session 35

Pavement failures, quality control causing deterioration and environmental factors, types of maintenance, maintenance of bituminous and concrete surfaces, roughness measurement, special repairs in pavements, strengthening and widening of an existing road.

Case Studies

Case Studies

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