Transportantion-Engineering-Notes - www.alljntuworld.in JNTU World or ld LECTURE NOTES ON TRANSPORTATION ENGINEERING JN TU W Department of Civil

Transportantion-Engineering-Notes - www.alljntuworld.in...

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LECTURE NOTES ON TRANSPORTATION ENGINEERING Department of Civil Engineering JNTU World JNTU World Downloaded From JNTU World ()
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II CONTENTS CHAPTER 1 HIGHWAY DEVELOPMENT AND PLANNING Highway development in india Necessity for highway planning Different road development plans Classification of roads Road network patterns Highway Alignment Factors affecting alignment Engineering surveys Drawing and reports Highway project. CHAPTER 2 HIGHWAY GEOMETRIC DESIGN Importance of Geometric Design factors affecting highway geometric design Design controls and Criteria- Highway Cross Section Elements- Sight Distance Elements- Stopping sight Distance, Overtaking Sight Distance Intermediate Sight Distance Design of Horizontal Alignment Design of Super elevation Extra widening Design of Transition Curves Design of Vertical alignment Gradients- Vertical curves CHAPTER 3 TRAFFIC ENGINEERING AND REGULATION Basic Parameters of Traffic Volume, Speed and density Traffic volume studies-Data collection and presentation Speed studies Data collection and presentation- Origin and Destinations studies, Parking Studies Onstreet and offstreet parking Road Accidents Causes and Preventive measures Accident Data Recording Condition Diagram and Collision Diagrams Traffic Signs Types and Specifications Road markings-Need for Road Markings Types of Road Markings- Design of Traffic Signals- Webster method. JNTU World JNTU World Downloaded From JNTU World ()
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II CHAPTER 4 INTERSECTION DESIGN Types of Intersections Conflicts at Intersections Requirements of At Grade intersection- Types of at-Grade Intersections- Chanalization -Traffic Islands Types of Grade Separated Intersections Rotary Intersection concept of Rotary Design factors of rotary Advantages and limitations of rotary intersections. CHAPTER 5 HIGHWAY MATERIAL, CONSTRUCTION ANDMAINTENANCE: Highway material characterization Subgrade soil Stone aggregate Bitumen materials Construction of gravel road Construction of water bound macadam road Construction of bituminous pavements Surface dressing Bitumen bound macadam Bituminous concrete Construction of cement concrete pavements Construction of joints in cement concrete pavements Joint filter and seal Pavement failures Maintenance of highways Highway Drainage. JNTU World JNTU World Downloaded From JNTU World ()
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4 CHAPTER 1 HIGHWAY DEVELOPMENT AND PLANNING Overview Road transport is one of the most common mode of transport. Roads in the form of trackways, human pathways etc. were used even from the pre-historic times. Since then many experiments were going on to make the riding safe and comfort. Thus road construction became an inseparable part of many civilizations and empires. In this chapter we will see the di erent generations of road and their characteristic features.
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