GOMACO World Index
GOMACO World 37.2 - September 2009

Polymer Paving on a Project in Sacramento, CA

C.C. Myers Inc., based out of Rancho Cordova, California, took on the challenge of rebuilding a portion of Interstate 5 through downtown Sacramento. The two mile (3.2 km) section of roadway was expected to take 305 days to rebuild. Myers accomplished the task in only 35 work days.

Part of the project’s early completion was due to the use of polymer concrete overlay slipformed with a GOMACO four-track Commander III. Polymer concrete has a higher strength and faster curing rate than regular concrete, which allowed Myers to schedule pours closer together while still being able to move equipment on the new polymer roadway.

Work was carried out through the I-5’s “Boat Section,” which was built below the water level of the nearby Sacramento River. Water had started leaking through the old roadway and was causing major cracking that needed to be repaired.

I-5 is a critical artery through the city of Sacramento. It carries an average of 190,000 drivers daily, or an average of 9000 vehicles per hour during commute hours.


-- Select Any Photo To Enlarge --

Polymer concrete is part of a group of concretes that use polymers to supplement or replace cement as the binder.


The polymer concrete is mixed on site by a specially-designed truck to assure the mix achieves maximum performance.


The Commander III was equipped with a 5000 series mold with pan vibrators mounted inside the mold to vibrate the polymer mix.


 

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