Full depth concrete patching is often necessary to repair failures in portland cement concrete pavement. Stabilization of areas of roadways where full depth repair is to be done to minimize the need for additional cutout of poor basesubbasesubgrade once the roadway surface has been removed. Fulldepth patching removal and replacement of a segment of pavement to the level of the subgrade in order to restore areas of deterioration. Rigid pavement patches are used to treat localized slab problems such as spalling, scaling e. This specification describes installation of concrete patching compounds. Structural repair material for concrete roadways, parking structures, bridges, dams and ramps.
Section 451patching portland cement concrete pavement spall repair 451. Fiber reinforcement allows fixitall to be sawed, drilled, filed or sanded after drying. Dap 58505 presto patch multi purpose patching compound, 4pound. Akona instant patching cement selfbonds to all properlyprepared concrete surfaces. This epoxy patching compound supplied in the correct proportions of resin and cure which must be mixed together before use. Evaluation and selection guide of method of repair for routine. The recommended method for patching a tree hole is to use a thin metal flap or screening covered with plaster over the tree hole.
Apply a tack coat of asphalt to the vertical sides of the hole to assure a good bond and seal between old and new pavements. Then use it full strength or slightly thinned for the top layers. Fulldepth replacement of potholes is expensive and timeconsuming. Full depth repairs can improve pave ment rideabil ty and structural integrity and can extend. Drywall joint compound is not an acceptable patching material. Th e pavement structure is inadequate for the current or future tra. Patches that abut working joints or cracks that penetrate the fulldepth of the slab require a compressible insert or other bondbreaking medium to reform the joint or crack. Therefore, apply the curing compound and insulation as soon as possible. A patch started according to the details for joint and crack patching partial depth and completed as a full depth patch is measured and paid as joint and crack patching full depth.
Generally, partial depth patches are sounded after the initial removal operation to assure that all unsound concrete has been removed. Do not mix more material than can be used within working time. The existing pavement distress requires fulldepth patching over more than 15 to 20 percent of the surface area. Removal of existing asphalt pavement before patching.
Durable in wet environments, onepass does not promote mold and mildew growth. Maintenance manual m 5101 chapter 3 pavement patching. Concrete batching and mixing in cold and hot weather. Full depth repairs should be used for rigid pavements with deterioration limited to.
The formulation of onepass includes premium grade hydraulic cement, high performance polymers and quality, finely ground aggregate. Full depth repair or full depth 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. Patching and repairing compounds grainger industrial supply. Tb002p the national center for pavement preservation.
This work shall consist of replacing portland cement concrete pavement slabs, full or partial length, removed in accordance with plans or as directed by the engineer. Fulldepth patching provides a smoother ride and can increase the life of the pavement, delaying the need for costly replacements and overlays. Westpac fast set, drywall patching compound is the westpac fast set, drywall patching compound is the benchmark of the industry. Step 5b spread and texture the concrete patch to match the surrounding concrete. Full depth pcc patch with dowels existing noncomposite pavement, standard. Devcon metal patch and fill repairs broken, rusted or corroded metal.
Compatible with sikafloor, sikabond, and sika acoubond systems. Specification for liquid membraneforming compounds for curing concrete, astm c 309, american. This work also includes removing asphaltic concrete patches from. One form of patching, pothole patching, probably receives the greatest amount of public attention. Wherever the words approved by, equivalent or similar phrases are used in this specification, they shall be understood to mean that the material, process or item referred to shall require the written approval of the patching system manufacturer. Resistant to oil, gasoline and most chemicals, this product is a flammable viscous paste with an aromatic solvent odor. This will prevent animals and water from entering the hole and create a surface that the bark and outer living layers can eventually grow back over. This section covers the recommended methods and requirements for full depth. Guide to fulldepth reclamation fdr with cement by david r.
B, 4 for temperature requirements of full depth portland cement concrete patching. The 20192020 pcc full depth patching construction project consists of constructing portland cement p. Fulldepth repairs appendix a generic guide specifications. Try to avoid ridges and bumps with all purpose joint compound. Any deviations will inhibit curing and alter final physical properties. This procedure is for patching full depth deterioration of pccp at joints. Patching and repairing compounds are used to improve the finished appearance of surfaces by filling small cracks, holes, and imperfections in a variety of materials, including drywall. Ready patch spackling and patching compound is designed to combine the workability of spackling paste with the strength of plaster to provide longlasting results.
Fuel resistant sealant a joint or crack sealant compound that is resistant to and maintains serviceability after being exposed to fuel or other petrole. Th e reasons for pavement failure can be determined by observing the types of distress that are visible. 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. Two general patching procedures are described next. Patching and repairing compounds caulks, sealants and. Materials to be used in fulldepth repairs shall conform to the following specifications. The construction and installation of fulldepth repairs involve the following steps. If the problem is limited in depth, then a partial depth patch may be appropriate, otherwise a full depth patch is recommended. Speed crete red line is a fast setting, cement based concrete and masonry patching compound which when combined with the correct amount of water, undergoes a chemical hyper hydration and produces a stable,low permeability, cementitious matrix. Full depth patching project muscatine, ia official website. For example, alligator crack ing, numerous potholes, excessive patching. Can be used with sikacem accelerator for cold conditions, increased early strengths and reduced curing time. It mixes quickly in water and sets hard in 30 minutes. The engineer will measure a patch started as partial depth patch, but completed as a full depth patch, as a full depth patch.
This full bodied product is durable enough for your most heavyduty repairs, indoors or out. In general, a liquidmembraneforming curing compound is adequate as long as it. 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. Here are a couple other services often requested with fulldepth patching. As as restoration carpenter i do a lot of wood filling and patching and all of these products have been invaluable to me at one time or another. New pothole patching techniques lead to repairs that last. Full depth patches full depth patches are first saw cut through the entire depth of. It is smooth, easy to apply and sand and very hard when cured. Specifically suited for hot weather applications when extended working time is required. Our patching compounds are easy mixing and have the most accurate setting times. Construct full depth and partial depth patches to the dimensions specified in the contract. In this post, ill give you my take on the 7 best products to patch wood on the market today. These may be caused by complete failure or disintegration of the concrete by cracking and breaking or by blowups.
Spread in a thin layer, this waterproof formula builds up worn surfaces and fixes gutter, grates, fencing, duct work, tanks, aluminum boats, etc. Full depth pavement patch stabilization of foundation. The first approach is a fastsetting, taconitebased compound, which was found to be especially wellsuited for rigid and relatively deep repairs in concrete pavements. When placing a partialdepth patch adjacent to any joint, there must be no bond of the repair patch to the face of the adjacent concrete. Pothole patching procedures cover a wide range of methods and intentions from permanent fulldepth patches to temporary partial depth patches. The failure of the pavement surface is often caused by weak or insufficient support in the foundation soils. New pothole patching techniques lead to repairs that last university. Full depth pavement patch stabilization of foundation soils composite. Semipermanent pothole patch figures 3 and 4 from fhwa, 1998 1. Repair and resurfacing of concrete sika canada inc.
Figure 26 precast concrete slabs as fulldepth repairs. Apply curing compound immediately after concrete placement. Use westpac fast set compounds for prefilling joints, embedding joint tape and concealing joints, fasteners and corner bead. Section 451 patching portland cement concrete pavement. Internal curing of concrete pavement applications patching and fulldepth panel repair lesson progress 0% complete while the vast majority of field trials have focused on the use of internal curing for bridge decks 5, field trials performed in indiana 9 in 2014 used internal curing with expanded slag aggregate in high earlystrength, fulldepth concrete pavement. Bridge expansion joint repair is the resealing of the joint where the road meets the bridge deck. Tower sealants ts00096 gallon category 5 elastomeric patching compound, smooth knife grade. Patching plaster walls is not too difficult depending upon the size of the holes being patched. Fulldepth reclamation of asphalt pavements with cement. Full depth pcc finish patches, continuously reinforced, composite section. Patching and repairing compounds are used to improve the finished appearance of surfaces by filling small cracks, holes, and imperfections in a variety of materials, including drywall, masonry, wood, and metal. Choose from our selection of wall patching compounds, including drywall joint compounds, drywall crack fillers, and more.
Apply it full strength across the joints and at corners for bedding the tape. Additional dimension details for fulldepth repairs transverse joints. Guidelines for fulldepth repair national center for pavement. Fulldepth repair fdr is a concrete pavement restoration technique that.
For best results in a patch of this nature, back fill the hole with a hot plantmix material. Fulldepth repairs can improve pave ment rideabil ty and structural integrity and can extend. Patching compound is applied using a spatula, directly from a container, or from a roll. Before patching a tree hole, it is a good idea to remove any water.
This survey should be conducted as close to the contract schedule as possible. The object is to prolong the life of existing asphalt pavements by removing and replacing the damaged asphalt. All streets are within the corporate city limits of muscatine, iowa. Stabilization of areas of roadways where full depth repair is to be done to minimize. The existing pavement distress requires full depth patching over more than 15 to 20 percent of the surface area. Repair boundaries can be determined by making a field survey utilizing data from initial project survey. Foundation soils are sufficiently stiffened to support the load on the new patch.