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

I1004691 2 2 pavement distress types that require full depth repair fdr.

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

Work began in march 2013 and was completed two months later. 1performing 1organization 1report 1no. The purpose of partial depth repairs is to correct localised areas of concrete pavement distress. 1performing 1organization 1code 1 7.

1report 1date 1 guide 1for 1partial depth 1repair 1of 1concrete 1pavements 1 april 12012 1 6. In this chapter portland cement concrete pcc pavement distress types that require full depth repair are discussed followed by the repair procedures. But if used during the wrong conditions problems can occur. Depending on the type of repair material used and the repair location a new joint sealant system may be placed as well.

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. In concrete pavement contraction design cpcd the following distresses require 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 pdr is a concrete pavement rehabilitation method used to address surface spalling and top down deterioration at joints and cracks. 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. Cracking developed in the original partial depth repairs so another repair solution was needed. 5 694 921 partial depth procedures.

Type b 2d and b 2e repairs include removal to the bottom of the pavement if necessary. Guide for partial depth repair of concrete pavements i technical 1report 1documentation 1page 1. During the repair deteriorated concrete is removed and replaced in the top half of the slab. 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.

1 1 1 1 4. 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.