A rough potholed pavement is hard on vehicles and uncomfortable to the motorist. If the area to be patched is too close to an existing joint or crack, the patch area should be extended as follows. Crossstitchinga new repair procedure for pcc pavements, concrete pavement progress special report. The bottom of the full depth patch is required to be located at the bottom of the existing pccp subbase or 6 in. Construct full depth pcc, hma, and composite patches. In fact, once the area of full depth patching exceeds 15 to 20 percent, simple math proves it less expensive to use fdr than to perform the patching. Because of the depth of this hole, it will require two or more applications of patching plaster. The volume of material required for a partial depth repair is usually less, therefore patching material should be mixed on site in a small mobile drum or paddle mixer. Fiber reinforcement allows quikfix to be drilled, filed or nailed.
Fulldepth repairs can improve pave ment rideabil ty and structural integrity and can extend pavement service life. Ready patch spackling and patching compound is designed to combine the workability of spackling paste with the strength of plaster to provide longlasting results. The plaster is troweled onto the wall surface wet, and when it dries, it forms a very hard, durable surface. Section 451 patching portland cement concrete pavement. Patches less than 2 square yards in area will be considered 2 square yards. The maximum size of any full depth patch in area 2 shall be limited to 4 ft. Various conventional and modified cementitious cast. Use nonreinforced jpc pavement24 for full depth replacement of concrete pavement. Figure 26 precast concrete slabs as fulldepth repairs. Allpurpose joint compound is a building material drywall finishers use to spackle, or mud, a drywall installation. Click the link below and get directions to your closest sherwinwilliams store.
If a high early strength pcc mix that will obtain a flexural strength of 600 psi 4150 kpa or a compressive strength of 3200 psi 22,100 kpa in 16 hours is used, the patches shall be opened to traffic when the flexural strength reaches 300 psi 4150 kpa or the compressive strength reaches 1600 psi 11,000 kpa. Full depth repair of jointed concrete pavement federal highway administration 1994 video vh273c this video begins with a discussion of distresses requiring full depth repair. Supplemental specifications south carolina department of. My husband and i are trying to restore our apartment in an old prewar building. T17 can be used as a neat mortar for grouting or thin patches, it can be filled with prepackaged coarse aggregate and used for partial or full depth patching in a single pour. The pavement is the portion of the road that vehicles come in direct contact with. Section 451 patching portland cement concrete pavement spall repair page 2 451. If removal extends to middepth of the slab, do a fulldepth repair. The first two steps are the same as those used when patching with portland cement concrete. Full depth patching provides a smoother ride and can increase the life of the pavement, delaying the need for costly replacements and overlays. Payment will be made at the unit price per square yard for each type of full depth patch. For full depth patches or slab removal and replacement of airfield pavements, use section 32 14.
Removing and preparing the repair area prepare to perform partial patching of spalled joints and potholes as follows. Labmetal readytouse repair compound spreads like paste and hardens quickly into metal. The results have the potential to change the method of portland cement concrete pavement patch construction in iowa. Fulldepth repair is a cpr technique that restores the structural integrity and rideability to concrete pavements having certain types of distresses, reports the federal highway administration office of pavement technology. The rapid curing time assures a quick return to service. Unbonded pcc overlay 73 bonded pcc overlay 73 environmental considerations 73 temperature 74 rain 74 wind 74 opening to traffi c 74 chapter 7 field inspection and testing 75.
Fulldepth patching provides a smoother ride and can increase the life of the pavement, delaying the need for costly replacements and overlays. Compact the patching material using the patching truck tires usually 4 to 8 passes. T17 methyl methacrylate mma polymer concrete patching material is designed for use on new construction and rehabilitation of bridge decks, expansion joints, bearing pads, and other concrete structures and is a 100% reactive, prepackaged, two component solventfree material system. The work shall consist of the partial depth patching of spalls, potholes and corner breaks in portland concrete pavement by removing the broken, damaged, or disintegrated concrete pavement, including any asphaltic concrete patches, from spalled or.
Ocal pvc patching compound dark grey sds us 9362 revision. Speedfinish finishing compound custom building products. This area will be measured in accordance to section 414. Patches, fulldepth finish, by area 50 feet or greater patches, fulldepth finish, by area patches, fulldepth repair patches, fulldepth finish, by count patches by count repair possible contract items. Where to buy not all products are sold at all stores. Transpo t17 can be used as a neat mortar for grouting or. Checklist series 10 fulldepth repair of portland cement. A fastcuring, cementbased patching and skim coating compound that provides a smooth finish to a variety of substrates prior to the installation of floor coverings.
Guidelines for fulldepth repair national center for pavement. Repairs and fills spalls surface imperfections and cracks up to. Rigid forms are required at the outside edge of the full depth repair. T17 is easy to handle and requires no special tools or equipment. The object is to prolong the life of existing asphalt pavements by removing and replacing the damaged asphalt. Partial depth portland cement concrete pavement repair spall repair which becomes full depth repair because the depth of repair exceeds 4 inches shall be measured by the square yard as full depth pcc pavement repair. Maintenance manual m 5101 chapter 3 pavement patching. Fulldepth repair or fulldepth patching entails remov ing and replacing at least a portion of a slab to the bottom of the concrete, in order to restore areas of deterioration. Full depth portland cement concrete pavement repair shall be measured by the cubic yard in accordance with section 109.
Full depth repair is a cpr technique that restores the structural integrity and rideability to concrete pavements having certain types of distresses, reports the federal highway administration office of pavement technology. Full depth repairs should be made with one of the fine quikrete concrete mixes. From small dents to larger holes, theres a perfect patching compound for every type of surface situation. Sam tyson office of preconstruction, construction and pavements 20236626 email sam. Portland cement concrete pcc patching at various locations including approximately 1,518 lf of pcc curb and gutter replacement, 888 sy of reinforced 7 pcc full depth patching, 1,124 sy of reinforced 8 pcc full depth patching, 2,049 sy of reinforced 9 pcc full depth patching, 1,767 sy of reinforced 10 pcc full depth patching, 642. The distance depends on the method of lapping used to connect reinforcement. Patchingdefinitions fulldepth patches vdot types i and ii. Full depth pcc patch with dowels existing noncomposite pavement, standard.
All patching and overlay concrete shall be cured according to. At contractors optionwith no additional cost to the department, use other high early strength rapid setting concrete. Here are a couple other services often requested with fulldepth patching. Materials and procedures for rapid repair of partialdepth. Portland cement concrete pcc patching at various locations including approximately 1,816 sy of reinforced 7 pcc full depth patching, 723 sy of reinforced 8 pcc full depth patching, 5,430 sy of reinforced 9 pcc full depth patching, 58 sy of reinforced 7 pcc full depth patching ia dot 5 hr. Smooth dowels must be coated with new light form oil before concrete is placed. Can allpurpose joint compound be used on plaster walls. For full depth repairs of pcc pavements for roads and streets only, use section 32. A pcc full depth patching process proceeds as follows acpa, 1995 1. The recommended distance is 610 mm 24inches for tied laps, and 200 mm 8 inches for mechanical connections or welded laps. Read on for more information on how to select the right patching compound. Allpurpose joint compound adheres well to most surfaces, so you can use it to make repairs on plaster walls. After the partial depth cuts, two full depth sawcuts are then made at a specified distance in from partial depth cuts. Maintenance manual m 5101 chapter 3 pavement patching and repair.
The minimum patch size for partial depth patches is 4 inches by 12 inches. This section covers the recommended methods and requirements for full depth. These may be caused by complete failure or disintegration of the concrete by cracking and breaking or by blowups. This full bodied product is durable enough for your most heavyduty repairs, indoors or out. Delineate the limits of partial depth patches a minimum of 2 inches beyond the area of deteriorated pavement. Full depth repair of portland cement concrete pavements checklist. Partial depth repair 2 note that some partial depth repairs may become full depth repairs if deterioration extends below the top third of the slab see checklist no.
Key words early opening to traffic patch depth patch strength gainportland cement concrete pavement patching 18. Excessive patching although patching is often necessary to keep a road serviceable, it can be expensive. It mixes quickly in water and sets hard in 30 minutes. If steel is in the upper third of slab, remove the steel to the edges of the patch and continue. Customs fixitall allpurpose patching compound is a fastsetting, nonshrinking patching compound in a powdered form. B, 4 for temperature requirements of full depth portland cement concrete patching. In this chapter, portland cement concrete pcc pavement distress types that require full depth repair are discussed, followed by the repair procedures. Fulldepth repair involves making lanewidth, fulldepth saw cuts to remove the deteriorated concrete down to the.
Uses n quikfix is widely used for molds, models and wood repair. Patching compound to fill in cracks and holes in a variety of surfaces. Security classification of this report unclassified. The compound dries to the touch in just 30 minutes.
Dowel bar or reinforcing steel is exposed during concrete removal. Fixitall patching compound custom building products. Quikfix allpurpose patching compound is a fastsetting, nonshrinking, interior patching compound used to repair cracks and holes in plaster, wallboard and wood surfaces. For patches 8 feet to 40 feet, no intermediate lap lap bars 25 diameters of steel or 24 inch minimum for slab and support at approximately 4 foot intervals.
Rockcotes patching and jointing compounds assist professionals to prepare just about any substrate including blueboard and fibre cement sheet. Full depth pcc finish patches, continuously reinforced, composite section. Removal of existing asphalt pavement before patching. The minimum recommended distance from the fulldepth repair joints to the nearest transverse crack or joint is 1. Correcting problem concrete pavements deery american. Full depth pcc patches will be measured in square yards of the n ominal su rface are a of the p atches. Quikfix repairs cracks and holes in wood, drywall and. Lap lengths necessary for welded splices depend on the size and number of welds.
Full depth removal continues until sound concrete, sufficient to anchor dowel bars, is present. Here are a couple other services often requested with full depth patching. Pavement preservation checklist series 9 partialdepth. Full depth repair involves making lanewidth, full depth saw cuts to remove the deteriorated concrete down to the. The roadway surface is normally classified as rigid consisting of portland cement concrete or flexible consisting of asphaltic materials. Properly prepping a surface for painting is essential to a paint jobs success. Full depth concrete patching is often necessary to repair failures in portland cement concrete pavement. Chapter 3 pavement patching and repair general the roadway is the paved or otherwise improved portion of a public highway ordinarily used for vehicular travel. The 20192020 pcc full depth patching construction project consists of constructing portland cement p. For hazardous materials or dangerous goods incident. State road 3 pccp overlay indiana concrete pavement. If areas defined for partial depth patches are less than 12 inches apart, include the areas into a single patch. Placement of pcc the repair area should be slightly overfilled to compensate for consolidation. A boundary that would fall at an existing doweled transverse joint should be extended 0.
Fiber reinforcement allows fixitall to be sawed, drilled, filed or sanded after drying. Patching log development for full and partial depth patching. Plaster sets quickly and is generally more difficult to work than joint compound or patching compound. Saw fulldepth through the joints so base of blade reaches boundary except where aggregate interlock needed isolate transverse, longitudinal and shoulder provide pressurerelief cut within patch if saws bind. Our masonry and concrete patching compounds are used to patch and repair concrete on walls and ceilings prior to painting or refurbishing. Full depth patching project muscatine, ia official website. Tb002p the national center for pavement preservation. Fix it all can be sawed, sanded and drilled when hard. Additional dimension details for fulldepth repairs transverse joints. Jul 17, 2017 the plaster itself consists of a mixture of lime or gypsum, an aggregate such as sand, and water. Subgrade shall be removed to obtain a minimum depth of 10 in. Evaluation and selection guide of method of repair for routine. Gina ahlstrom office of preconstruction, construction and pavements 2023664612 email gina.
Readytouse metal repair putty, dent filler and patching compound. When deciding between a partial and full depth patch for spalling and slab cracking, realize that joint spalls extending more than about 75 150 mm 3 6 inches. This product can be placed very thin down to less than 18 thick and can be applied using a squeegee and broom. For repairs from about 38 to 2 quikrete sand mix is the most common choice.
Resistant to oil, gasoline and most chemicals, this product is a flammable viscous paste with an aromatic solvent odor. Devcon metal patch and fill repairs broken, rusted or corroded metal. Spread in a thin layer, this waterproof formula builds up worn surfaces and fixes gutter, grates, fencing, duct work, tanks, aluminum boats, etc. The walls have small to mediumsized areas where some of the plaster is missing and there are numerous jagged cracks in the walls. Place longitudinal bars at approximately midpoint of the possible subdrain patch, see. Measurement will be in square yards for each type of full depth patch. Fulldepth repair or fulldepth patching entails remov ing and. Most mechanical couplers require about 2550 mm 12 in overlap 21. Fulldepth repair of jointed concrete pavement youtube.
Throwandroll from, 1998 1 place the patching material into the pothole without any preparation or waterdebris removal. Of course, the final product achieved with fdr is far superior to a road that is severely. Patching definitions full depth patches vdot types i and ii. Fine and coarse aggregate for portland cement concrete. Bridge expansion joint repair is the resealing of the joint where the road meets the bridge deck.
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