Subject
Year
: S0012 / Introduction to Civil Engineering
: 2009
HIGWAY ENGINEERING
Session 05
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Definition
Highway engineering is the branch of civil engineering 
concerned with
of
design of pavement structure, design
geometric alingment for safe highways and road.
Highway engineering became popular after the World War in 20th
Century
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Scope of Work
•
•
•
•
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Pavement Engineering Design
Asphalt Testing Material
Geometric for Alignment Design
Road Construction
Pavement Engineering
Classification :
1. Flexible Pavement
2.Rigid Pavement
3.Composite
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Flexible Pavement
•
Flexible pavements. Those which are surfaced with
bituminous / asphalt materials. These types of
pavements are called "flexible" since the total pavement structure
bends or deflects due to traffic loads. A flexible pavement
structure is generally composed of several layers of materials
which can accommodate this "flexing".
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Flexible Pavement
P ( Load )
Surface
Base
Subbase
Subgrade
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Rigid Pavement
•
Rigid pavements. Those which are surfaced with
portland
cement concrete (PCC). These types of
pavements are called "rigid" because they are substantially
stiffer than flexible pavements due to PCC's high stiffness.
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Rigid Pavement
P ( Load )
Surface
Subbase or base
Subgrade
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Rigid Pavement
JOINT
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Composite
•
Composite. Those which are surfaced with portland cement
concrete (PCC) and bituminous / asphalt materials as
construction
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overlay
Asphalt Testing material
Using for Testing asphalt material
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Geometric Design
Vertical and Horizontal Alignment
basic geometric elements of road design, including: chainage,
profile grades, vertical curves, circular and spiral curves, and
superelevation.
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Road Construction – flexible pavement
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Road Construction – rigid pavement
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Subjects
• Highway Engineering
Learn about :
– Pavement design
– Geometric Design
– Material design & testing (for Lab. activities )
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Projects
Brazil
USA
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Failure Construction
Cracking Distress-USA
Norwegia
West Sumatra - Earthquake
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Social and environmental effects
• Community cohesion: Where highways are created through existing
communities, there can be reduced community cohesion and more
difficult local access. Consequently property values have decreased
in many cutoff neighborhoods, leading to decreased housing quality
over time.
• Noise Pollution  Highways generate more roadway noise
thanarterial streets due to the higher operating speeds.
• Air Pollution issues  Highways may contribute fewer emission than
arterials carrying the same vehicle volumes.
• HOV ( high Occupancy vehicle ) lanes
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