Describe the effectiveness of pneumatic tire compaction.

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter21: Pavement Management
Section: Chapter Questions
Problem 10P
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Describe the effectiveness of pneumatic tire compaction.

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Step 1

Rubber tired rollers (pneumatic) exert equal compactive effort to the air pressure inside their tyres. Usually they are employed on asphalt pavement and sandy soils.

Rubber-tired, or pneumatic, rollers used in some applications with steel drum rollers enable contractors with a better foundation before paving, achieve better compaction or density and enhance the finished product look.

 

Step 2

Rubber-tired, or pneumatic, rollers used in some applications with steel drum rollers enable contractors with a better foundation before paving, achieve better compaction or density and enhance the finished product look.

 

Step 3

The pneumatic rollers can conform to the paved surface. 

Step 4

Regardless of the terrain contour on the surface of work, the pneumatic roller would be able to achieve a more uniform compaction density over the entire work surface. A pneumatic roller would remove the air and space voids in the asphalt mix, which would otherwise induce potholes to emerge.

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