Partial Depth Repair Concrete Pavement

Partial depth repair pdr is usually used to repair surface distresses of concrete pavement.

Partial depth repair concrete pavement.

Asphalt and concrete pavement maintenance and repair. Class b partial depth pavement repair is similar to class a but it is used on projects that include resurfacing in excess of 3 in. 5 694 921 partial depth procedures. Materials and procedures for rapid repair of partial depth spalls in concrete pavements shrp h 349 strategic highway research program transportation research board washington dc.

1performing 1organization 1code 1 7. 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. Guide for partial depth repair of concrete pavements i technical 1report 1documentation 1page 1. This high surface to volume ratio makes the repair material subject to larger volume changes due to drying shrinkage if moisture is not retained by good.

1 1 1 1 4. 1title 1and 1subtitle 1 5. American association of state highway and transportation officals aashto. Type b 2d and b 2e repairs include removal to the bottom of the pavement if necessary.

In this article we study about need and in depth step wise procedure of partial depth repair of. If the depth of repair is over half the thickness of the existing pavement then full depth pavement repair should be used. 1report 1date 1 guide 1for 1partial depth 1repair 1of 1concrete 1pavements 1 april 12012 1 6. The purpose of partial depth repairs is to correct localised areas of concrete pavement distress.

Depending on the type of repair material used and the repair location a new joint sealant system may be placed as well. 613 1 3 class b partial depth pavement repairs description. Home department of defense unified facilities criteria ufc ufc 3 270 03 concrete crack and partial depth spall repair replaced by ufc 3 270 01 o m manual. 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.

The mechanical property of patch material was mainly considered when selection the patch material. However the stress state in the patch material or surrounding concrete varies depending on patch location and depth.