Highway and Airport Pavement design, maintenance and rehabilitation

YONA performs highways, airports and railroad pavement design using the most updated models and software available.

Pavement design is supported by a comprehensive exploration and analysis of the soils parameters along the infrastructure facilities.

<< Back to Fields of Expertise List

Hot and Cold Pavement Recycling and Reclamation

YONA specializes in modern techniques for pavement rehabilitation based on the Hot-in-place and the Cold-in-place pavement recycling and reclamation techniques using Dustrol, ARTEC, WIRTGEN, and other equipment.

YONA has done extensive work in the area of clay stabilization using high calcium Fly Ash.

<< Back to Fields of Expertise List

Structural Pavement Evaluation and Overlay Design

YONA implements updated NDT schemes and procedures to perform pavement evaluation analysis and overlay design. Some of the tools, like the recently developed YONAPAVE, are based on the latest state-of-the-practice methods available worldwide.

<< Back to Fields of Expertise List

Highway Engineering Surveys and Special Studies

YONA performs engineering surveys and practical research in many fields associated with transportation facilities and paving materials.

<< Back to Fields of Expertise List

AC Mixtures and Paving Materials

YONA provides consulting services in the design, implementation, and optimization of regular and special asphalt concrete mixtures (SMA, "silent" AC, drain asphalt, colored asphalt, etc.), hot and cold pavement recycling and reclamation, uses of Fly Ash, quarry materials production, etc.

<< Back to Fields of Expertise List

Quality Assurance - Quality Control

YONA implements modern techniques of QA/QC in paving projects and material production for many clients in the public sector.

<< Back to Fields of Expertise List

Specifications Writing

YONA specializes in specification writing at the general and special provision level. Specification writing comprises all aspects of paving operations and material production at the plant or in the field.

<< Back to Fields of Expertise List

Pavement Management Systems

YONA developed and implements different models and tools for the establishment of pavement management systems or for the execution of optimum investment plans at the national and municipal network levels.

Some of these systems incorporated GIS for the presentation and handling of the network data.

<< Back to Fields of Expertise List

Construction Supervision and Project Management

YONA personnel participate in project supervision and management of paving projects at the national or the local levels.

<< Back to Fields of Expertise List

Measurement of Performance Indicators

YONA operates its own equipment to measure performance indicators:

• The ARRB Walking Profiler for the determination of the International Roughness Index (IRI) and the lateral and longitudinal surface profiles before and after overlay.
  
  
• The British Pendulum together with the sand patch to determine skid and microstructure pavement surface parameters.

<< Back to Fields of Expertise List