JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. Being able to recognize and use current pavement design procedures.
• 2. Understanding common design and construction features important to the performance of both asphalt and concrete pavements.
• 3. The ability to design and recognize specification and construction activities that can improve the performance of pavements.
• 4. Evaluating the condition of pavements through surface condition surveys, smoothness, friction, load/deflection and other evaluation techniques.
• 5. Understanding the basic components of pavement management systems and how they can be used to optimize funding expenditures.

Course Outcomes

At the end of the course, students will be able to:

• 1. Understand the concepts of PMS and evaluate strategies for pavement maintenance.
• 2. Evaluate the pavements based on the functional and structural characteristics.
• 3. Understand constructions of Construction methods of Base, Subbase, Shoulders and drains.
• 4. Understand constructions of bituminous pavements.
• 5. Understand the concepts of construction and maintenance of cement concrete pavements.

UNIT - I

Pavement management system: Components of PMS and their activities; Major steps in implementing PMS; Inputs; Design, Construction and Maintenance; Rehabilitation and Feedback systems; Examples of HDM and RTIM packages; Highway financing; Fund generation; Evaluating alternate strategies and Decision criteria ; Pavement Maintenance Management Components of Maintenance Management and Related Activities – Network and Project Level Analysis; Prioritization Techniques and Formulation of Maintenance Strategies.

UNIT - II

Pavement Inventories, Quality Control and Evaluation: Serviceability Concepts; Visual Rating; Pavement Serviceability Index; Roughness Measurements; Distress Modes – Cracking Rutting Etc; Pavement Deflection – Different Methods and BBD, Skid Resistance, Roughness, Safety – Aspects; Inventory System. Causes of Deterioration, Traffic and Environmental Factors, Pavement Performance Modeling Approaches and Methods of Maintaining WBM, Bitumen and Cement Concrete Roads, Quality Assurance; Quality Control – ISO 9000, Sampling Techniques – Tolerances and Controls related to Profile and Compaction.

UNIT - III

Construction of Base, Subbase, Shoulders and Drain: Roadway and Drain Excavation, Excavation and Blasting, Embankment Construction, Construction of Gravel Base, Cement Stabilised Sub- Bases, WBM Bases, Wet Mix Construction; Crushed Cement Bases, Shoulder Construction; Drainage Surface, Turfing Sand Drains; Sand Wicks; Rope Drains, Geo- Textile Drainage; Preloading Techniques.

R19 M.TECH HIGHWAY ENGG.

UNIT - IV

Bituminous Construction and Maintenance: Preparation and Laying of Tack Coat; Bituminous Macadam, Penetration Macadam, Built up Spray Grout, Open Graded Premix, Mix Seal, Semi-Dense Asphalt Concrete-Interface Treatments and Overlay Construction, IRC Specifications.

UNIT - V

Cement Concrete pavement Construction and Maintenance: Cement Concrete Pavement Analysis - Construction of Cement Roads, Manual and Mechanical Methods, Joints in Concrete and Reinforced Concrete Pavement and Overlay Construction.

REFERENCES:

• 1. Haas and Hudson, W. R. Pavement management systems –McGraw Hill publications.
• 2. Sargious, M. A. – Pavements and surfacing for highways and airports – Applied Science Publishers ltd.
• 3. Bridge and Pavement maintenance- Transportation Research Record no.800, TRB.
• 4. Shahin M.Y, 1994- Pavement management for airports, roads and parking lots.
• 5. Bent Thagesan, 1996- Highway and Traffic engineering for developing countries.
• 6. MORTH - Specifications. R19 M.TECH HIGHWAY ENGG. M.TECH.- II YEAR- I SEMESTER HIGHWAY ENGINEERING