This document discusses different aspects of national highways in India. It outlines the different types of roads including national highways, state highways, and village roads. It describes the various elements that make up a road's cross section such as the pavement surface, width, and right of way. The document also discusses the different types of pavement, layers of a pavement, materials used in road construction such as bitumen and aggregate, and various tests used to evaluate the properties of aggregates, bitumen, soil and traffic signs.

1. A
SEMINAR
ON
NATIONAL HIGHWAY
SUBMITTED TO-
Mr. Manish Goyal
(H.O.D) Civil Engg
SUBMITTED BY
Pushpendra kumar meena
12ESBCE085

2. TYPES OF ROAD
 Nation highway
 State highway
 Major district road
 other district road
 village road

3. CROSS SECTION ELEMENT
 Pavement surface
 Cross slope (camber)
 Width of pavement (carriage way)
 Kerbs
 Right of way
 Width of road way

4. TYPES OF PAVEMENT
 Flexible pavement
 Rigid pavement

6. DIFFERENT LAYER OF PAVEMENT
 Soil subgrade
 Sub base course
 Base course
 Surface course

9. MATERIAL
 Bitumen
 Aggregate
 Sand
 Steel

10. TESTS OF AGGREGATE
 Strength
 Hardness
 Toughness
 Durability
 Shape of aggregate

11. TEST OF BITUMEN
 Penetration test
 Durability test
 Viscosity
 Softening point test
 Float test
 Specific gravity test
 Water content test

12. TEST OF SOIL
 Shear test
 Bearing test
 Penetration

13. TRAFFIC SIGNS
 Regulatory signs
 Warning signs
 Informatory signs