ASTM C150
ASTM C150
ASTM C150
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Concrete Pavement<br />
Pavement Smoothness<br />
• Performance spec regarding pavement smoothness<br />
• Devices for measuring smoothness include:<br />
– 10’ straight edge<br />
– rolling straight edge<br />
– computerized California type Profilograph<br />
• Profilograph measures the cumulative bumps per<br />
tenth of a mile (528’) and provides a Profile Ride Index<br />
(PRI) in bumps per mile
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