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Roller Compacted Concrete Shoulders

Project Details
STATE

IA

SOURCE

RIP

START DATE

01/01/24

END DATE

12/31/27

RESEARCHERS

Halil Ceylan

SPONSORS

Iowa DOT; Iowa Highway Research Board

KEYWORDS

Paving, Road shoulders, Roller compacted concrete

LINKS

Project Page

Project Page

Project description

The use of Roller Compacted Concrete (RCC) for the paving of granular shoulders. While there is nothing new about RCC, its use as a material for paved shoulders would be new here in Iowa. This project proposes to pave 8.5 miles of shoulders, both sides of the road, 5 foot wide and 7" thick with RCC. The project would be in Washington County on G36 from the intersection of Hwy1/92 east to the intersection with Hwy 218. Not only would it demonstrate another material for paving of the shoulders, it would improve roadside safety by eliminating the edge rut develops along the edge of a pavement with granular shoulders.
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