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joints for concrete pavement

joints for concrete pavement

joints for concrete pavement

(OP)
For concrete pavement design, what the the typical spacing for expansion joint and contraction joint?

RE: joints for concrete pavement

It will depends on the works youmake. Where I have worked, mainly for car parking use, 6 m or about the spans between columns have been used.

Read on these things at the American Concrete Pavement Association site

http://www.pavement.com/

a pdf document is downloadable therein...

Proper Use of Isolation and Expansion
Joints in Concrete Pavements

RE: joints for concrete pavement

You rarely need expansion joints, so you can go a couple of hundred feet between expansion joints.  For control joints, space them at about 30 times the pavement thickness.  For example, if the pavement is 6 inches thick, the joint spacing would be 180 inches or about 15 feet.  Keep in mind that the jointed area should have a length to width ratio of no more than 1.2:1, so for a 12-foot wide pavement, the joints should not exceed 15 feet as well.

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