How Would You Perform A Partial Depth Concrete Repair On A Roadway

In this chapter portland cement concrete pcc pavement distress types that require full depth repair are discussed followed by the repair procedures.

How would you perform a partial depth concrete repair on a roadway.

Partial depth repair pdr is a concrete pavement rehabilitation method used to address surface spalling and top down deterioration at joints and cracks. Work began in march 2013 and was completed two months later. In concrete pavement contraction design cpcd the following distresses require fdr. 5 694 920 type b repairs partial depth repairs type b repairs generally consist of partial depth milling or chipping to remove deteriorated or delaminated concrete and preparation and placement of the repair.

1performing 1organization 1code 1 7. 5 694 921 partial depth procedures. But if used during the wrong conditions problems can occur. Transverse cracks due to temperature moisture variations and or wheel load stress that extend through the depth of a slab but not plastic shrinkage cracks which occur when the rate of evaporation from the surface exceeds the rate at which the bleed water is available the depth of plastic shrinkage.

In this article we study about need and in depth step wise procedure of partial depth repair of. I1004691 2 2 pavement distress types that require full depth repair fdr. If you pick the right techniques at the right time you can bring that roadway up to an excellent condition for example partial depth repair and diamond grinding can improve a concrete road s quality and extend its life many years at minimal cost. Partial depth repair involves removing an area of deteriorated concrete that is limited to the top one third of the slab thickness and replacing it with appropriate repair materials.

The purpose of partial depth repairs is to correct localised areas of concrete pavement distress. Type b 2d and b 2e repairs include removal to the bottom of the pavement if necessary. 1title 1and 1subtitle 1 5. 1report 1date 1 guide 1for 1partial depth 1repair 1of 1concrete 1pavements 1 april 12012 1 6.

Depending on the type of repair material used and the repair location a new joint sealant system may be placed as well. Diversified concrete cutting sparks nev was contracted to perform the 485 square feet of spall repairs. Full depth repair of jointed concrete pavement federal highway administration 1994 video vh 273c this video begins with a discussion of distresses requiring full depth repair. 1performing 1organization 1report 1no.

Repair of this type restores ride ability deters further deterioration reduces foreign object damage potential and provides proper edges so that joints can be effectively resealed. Cracking developed in the original partial depth repairs so another repair solution was needed.