New I-5 surface will be built to last 40 years
STOCKTON - Not all roads are created equal, and the $122.1 million project to improve Interstate 5 is building a type of surface that is rare in California and expected to last a long time.
Made from concrete reinforced with steel, the new pavement is estimated to last 40 years, according to the California Department of Transportation.
It's a concrete road, not asphalt, but that's not what makes it different.
Concrete roads in the state are more commonly built with breaks - called joints - that help keep the surface from cracking as the concrete changes shape. Using reinforcing steel makes this project different.
"It's one, continuous smooth pour," said Martha Dadala, design manager with Rajappan and Meyer, a San Jose engineering company working on the project. "There are no joints, so it is a smooth ride."
http://www.recordnet.com/apps/pbcs.dll/article?AID=/20110919/A_NEWS/109190308
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