PPT: Pavement Design | Transportation Engineering - Civil Engineering (CE) PDF Download

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TOPIC:- PAVEMENT 
DESIGN
  
           
        
Page 2


TOPIC:- PAVEMENT 
DESIGN
  
           
        
What is a Pavement?
?
A multi layer system that distributes the vehicular loads over a 
larger area
2
Page 3


TOPIC:- PAVEMENT 
DESIGN
  
           
        
What is a Pavement?
?
A multi layer system that distributes the vehicular loads over a 
larger area
2
What is a Pavement?
OR
?
Highway pavement is a structure 
consisting of superimposed layers of 
selected and processed materials whose 
primary function is to distribute the 
applied vehicle load to the sub grade.
OR
?
It can also be defined as “structure 
which separates the tires of vehicles 
from the under lying foundation.”
3
Page 4


TOPIC:- PAVEMENT 
DESIGN
  
           
        
What is a Pavement?
?
A multi layer system that distributes the vehicular loads over a 
larger area
2
What is a Pavement?
OR
?
Highway pavement is a structure 
consisting of superimposed layers of 
selected and processed materials whose 
primary function is to distribute the 
applied vehicle load to the sub grade.
OR
?
It can also be defined as “structure 
which separates the tires of vehicles 
from the under lying foundation.”
3
What is a Pavement?
?
Pavement is the upper part of roadway, 
airport or parking area structure 
?
It includes all layers resting on the 
original ground
?
– It consists of all structural elements or 
layers, including shoulders
4
Page 5


TOPIC:- PAVEMENT 
DESIGN
  
           
        
What is a Pavement?
?
A multi layer system that distributes the vehicular loads over a 
larger area
2
What is a Pavement?
OR
?
Highway pavement is a structure 
consisting of superimposed layers of 
selected and processed materials whose 
primary function is to distribute the 
applied vehicle load to the sub grade.
OR
?
It can also be defined as “structure 
which separates the tires of vehicles 
from the under lying foundation.”
3
What is a Pavement?
?
Pavement is the upper part of roadway, 
airport or parking area structure 
?
It includes all layers resting on the 
original ground
?
– It consists of all structural elements or 
layers, including shoulders
4
Functions of the Pavement
?
Reduce and distribute the traffic loading so 
as not to damage the subgrade
?
– Provide vehicle access between two 
points under all-weather conditions
?
– Provide safe, smooth and comfortable 
ride to road users without undue delays and 
excessive wear & tear
?
– Meet environmental and aesthetics 
requirement
?
– Limited noise and air pollution
?
– Reasonable economy
5
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FAQs on PPT: Pavement Design - Transportation Engineering - Civil Engineering (CE)

1. What is pavement design in civil engineering?
Ans. Pavement design in civil engineering refers to the process of designing and constructing road pavements to ensure their stability, durability, and safety. It involves analyzing the traffic load, soil conditions, climate, and materials to determine the appropriate thickness and composition for the pavement layers.
2. What factors are considered in pavement design?
Ans. Several factors are considered in pavement design, including traffic volume and type, soil conditions, climate, and materials. The design process takes into account the anticipated traffic load, the strength and stiffness of the underlying soil, the expected environmental conditions, and the properties of the available construction materials.
3. How is pavement thickness determined in pavement design?
Ans. Pavement thickness is determined based on the anticipated traffic load and the properties of the underlying soil. Design methods, such as the American Association of State Highway and Transportation Officials (AASHTO) design guide, use empirical equations to calculate the required thickness for each pavement layer, taking into account factors such as traffic volume, vehicle type, and soil strength.
4. What are the different pavement layers in pavement design?
Ans. In pavement design, the pavement structure typically consists of multiple layers. These include the subgrade, which is the natural soil beneath the pavement, the subbase, base, and surface layers. The subbase and base layers provide support and distribute the traffic load, while the surface layer provides a smooth and durable riding surface.
5. How does pavement design consider climate conditions?
Ans. Pavement design takes into account climate conditions, such as temperature variations and precipitation. Different regions may require different pavement material specifications and design considerations to withstand extreme weather conditions. For example, in cold climates, special asphalt mixtures or additional layers may be used to prevent cracking due to freezing and thawing cycles. In hot climates, materials with higher resistance to temperature-induced deformation may be selected.
26 videos|91 docs|58 tests
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