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CROSS SECTION ELEMENTS
OF ROAD
(DEFINITION AND SIGNIFICANCE)
HIGHWAY CROSS SECTION ELEMENTS
1. Pavement Surface Characteristics
2. Pavement Unevenness
3. Cross slope (or) Camber
4. Carriage way
5. Traffic Separators
6. Kerbs
7. Road margin
8. Right of ways
Pavement Surface Characteristics
• Usually camber is provided on straight roads by raising the centre of
the carriage way with respect to the edges, forming a crown (or)
highest point on the centre line.
• The rate of camber (or) cross slope is usually represented by 1 in n
which means that the transverse slope is in ratio 1 vertical to n
horizontal.
• A flat camber of 1.7% to 2% is sufficient on relatively impervious
pavement surface like cement concrete (or) bituminous concrete.
• Too steep cross slope is not desireable,because it will cause
discomfort to the driver.
Cross section elements of road

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Cross section elements of road

  • 1. CROSS SECTION ELEMENTS OF ROAD (DEFINITION AND SIGNIFICANCE)
  • 2. HIGHWAY CROSS SECTION ELEMENTS 1. Pavement Surface Characteristics 2. Pavement Unevenness 3. Cross slope (or) Camber 4. Carriage way 5. Traffic Separators 6. Kerbs 7. Road margin 8. Right of ways
  • 4.
  • 5. • Usually camber is provided on straight roads by raising the centre of the carriage way with respect to the edges, forming a crown (or) highest point on the centre line. • The rate of camber (or) cross slope is usually represented by 1 in n which means that the transverse slope is in ratio 1 vertical to n horizontal. • A flat camber of 1.7% to 2% is sufficient on relatively impervious pavement surface like cement concrete (or) bituminous concrete. • Too steep cross slope is not desireable,because it will cause discomfort to the driver.