Partial Depth Repair Concrete Pavement

In this article we study about need and in depth step wise procedure of partial depth repair of.

Partial depth repair concrete pavement.

1performing 1organization 1report 1no. 613 1 3 class b partial depth pavement repairs description. American association of state highway and transportation officals aashto. The mechanical property of patch material was mainly considered when selection the patch material.

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. 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. If the depth of repair is over half the thickness of the existing pavement then full depth pavement repair should be used.

Partial depth repair pdr is usually used to repair surface distresses of concrete pavement. 5 694 921 partial depth procedures. Guide for partial depth repair of concrete pavements i technical 1report 1documentation 1page 1. Asphalt and concrete pavement maintenance and repair.

1performing 1organization 1code 1 7. This is because the surface areas and depth of pdr are relatively small which makes the surface to volume ratio of the repair material applied higher than that of typical concrete pavement. 1report 1date 1 guide 1for 1partial depth 1repair 1of 1concrete 1pavements 1 april 12012 1 6. 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.

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. 1title 1and 1subtitle 1 5. Type b 2d and b 2e repairs include removal to the bottom of the pavement if necessary. 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.

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. 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.