The objectives of this program can be summarized in the following main points:

• • Enhancing the skills of road construction engineers in their field
  • Introduction to road construction materials
  • Determination of engineering properties of road materials
  • Quality control and quality assurance in road construction

Road construction engineers working in road construction, construction supervision of road projects.

This interactive Training will be highly interactive, with opportunities to advance your opinions and ideas and will include;

• • Lectures
  • Workshop & Work Presentation
  • Case Studies and Practical Exercise
  • Videos and General Discussions

An introduction to road construction materials including but not limited to the following:

• • The used materials for road embankment, road pavement (gravel roads, surface dressed roads, paved roads, etc)
  • Material properties
    
    
    • Soil and subbase: Standard tests to determine the engineering properties of road materials such as; sieve analysis, liquid limit, plastic limit, plasticity index, soil classification according to AASHTO classification system, standard and modified proctor tests,, California bearing ratio (CBR), modulus of resilient of subgrade soil, relative compaction test, etc.
    • Base course: Standard tests to determine the engineering properties of road materials such as; sieve analysis, liquid limit, plastic limit, plasticity index, soil classification according to AASHTO classification system, standard and modified proctor tests,, California bearing ratio (CBR), modulus of resilient of subgrade soil, relative compaction test, Los Angeles (abrasion) test, absorption and disintegration test, etc.
    • Bitumen material:

• • • • • Ashalt cement
        • Cut back asphalt
        • Emulsified asphalt

All standard test on different types of bituminous materials will be illustrated including but not limited to; bitumen grade test, softening point, ductility, solubility of bituminous materials in organic solvents, etc.

Asphalt mixtures: types of asphalt mixtures;

• • Hot mix asphalt concrete
  • Worm mix asphalt concrete
  • Cold mix asphalt concrete

Properties of each mix will be discussed. Also, the components and method of manufacturing will be illustrated

Design of Asphalt concrete mixture:

• • Testing of materials used in the asphalt mix (course aggregate, fine aggregate, mineral filler, binder etc)
  • Specification requirements
  • Blinding of aggregate
  • Graduation of blinded aggregates
  • Marshal method for design of asphalt mixtures; volumetric relationships, optimum bitumen content, tolerance, job mix formula.
    
    

Quality control and quality assurance in road construction:

• • The importance of quality control in road construction processes
    • Selecting of materials sources
    • Testing of materials
    • Inspection of the executed work
    • Testing the executed work
    • Filling the test result for quality assurance process
      
      
  • Quality assurance in road construction processes
    
    

Road construction technology:

• • Introduction to the new technologies in road construction
  • New equipments, new techniques used in road construction

CDGA attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration