method and apparatus for sealing cracks in roads

US6619882B2 - Method and apparatus for sealing cracks in ...

Roadway crack sealing apparatus ( 20 ) which includes a mobile vehicle ( 26 ) with a forward crack sealing assembly ( 22 ) and a following finishing assembly ( 24 ). The assembly ( 22 ) includes laterally spaced apart fill and sealant hoppers ( 30, 36 ) each equipped with selectively openable outlets ( 32, 34, 38 ) and an elongated roadway crack sighting passageway ( 128 ) therebetween.

Cited by: 68

US20040062607A1 - Method and apparatus for sealing …

Improved roadway crack sealing apparatus ( 20 ) is provided which includes a mobile vehicle ( 26 ) with a forward crack sealing assembly ( 22 ) and a following finishing assembly ( 24 ). The assembly ( 22 ) includes laterally spaced apart fill and sealant hoppers ( 30, 36 ) each equipped with selectively openable outlets ( 32, 34, 38 ) and an elongated roadway crack sighting passageway ( 128 ...

Cited by: 68

| AsphaltPro Magazine | How to Crack Seal Right, Step By Step

Shapiro recommends routing on roads with less than 20 percent crack density. “When sealing cracks in pavement with greater than 20 percent crack density, simple cleaning and sealing of the cracks is recommended,” he said. Next, you’ll need to ensure the surface is clean and dry.

Method and apparatus for sealing cracks in roads - RH ...

Apr 25, 2006 · A roadway crack sealing apparatus ( 300, 314 ) which includes a crack sealing assembly having an emulsion container supported on a frame, wheels supporting the frame, a handle extending from the Method and apparatus for sealing cracks in roads - RH Group LLC

Cited by: 68

Preventing and repairing potholes and pavement cracks ...

The crack is then cleaned and sealed. If the cracks are more than 2 inches deep, a backer rod should be installed to conserve sealant. Cracks that are ½ inch to ¾ inch wide usually need only cleaning and sealing. Install a backer rod if cracks are more than 2 inches deep.

Asphalt Patching Techniques for Roads, Pavements and ...

Spray injection method: In this method, special truck-mounted equipment is used to first blow out water and debris from the crack or pothole, after which aggregate and emulsion will be injected into it. Since the injection is done at high-pressure, no compaction is required.

What are the Methods of Concrete Crack Repair?

Epoxy injection method is used for cracks as narrow as 0.002 inch (0.05 mm). The technique generally consists of establishing entry and venting ports at close intervals along the cracks, sealing the crack on exposed surfaces, and injecting the epoxy under pressure.

Pavement Crack Sealing | CRAFCO

Crack sealing as a pretreatment improves the effectiveness of other surface treatments in asphalt pavements. For example, a study showed that when crack sealing was completed as a pre-treatment to a chip seal, 100% less cracking developed after 2 years of observation in comparison to a chip seal …

Manual of Practice - Federal Highway Administration

charge of planning and overseeing many crack treatment projects, and managers in charge of establishing crack treatment policies and standards. MATERIALS AND PROCEDURES FOR SEALING AND FILLING CRACKS IN ASPHALT-SURFACED PAVEMENTS---MANUAL OF PRACTICE Asphalt pavement, pavement maintenance, cracks, crack sealing, crack filling, crack treatment,

The Difference between Crack Filling and Crack Sealing ...

Mar 09, 2016 · Crack sealing. Crack sealing is a method in which hot sealant is applied to working cracks to prevent water intrusion. Working cracks are horizontal and/or vertical movements in cracks greater than 0.1 inches. An example of working cracks is a transverse crack.

Crack Seals - Pavement Interactive

Crack seal products are used to fill individual pavement cracks to prevent entry of water or other non-compressible substances such as sand, dirt, rocks or weeds. Crack sealant is typically used on early stage longitudinal cracks, transverse cracks, reflection cracks and block cracks.

7 Different Types of Pavement Failure | Types of Cracks in ...

These are perpendicular cracks that occur due to a combination of things, mainly extremely low temperatures and overuse of the pavement. Transverse cracking usually happens on main roads or in high-traffic parking lots and plazas. Cold temperatures cause the aggregate to shrink, which starts the cracking process and the weight of all the vehicles constantly driving on the pavement widens the cracks …

Cracksealing Equipment & Materials

TruFlex is a highly rubberized crack sealant designed for sealing cracks in asphalt or pavements. TruFlex can also be mixed with sand for filling larger cracks and alligatored areas.

Road and Street Maintenance | Road and Street Repair

For more than 40 years, SealMaster has been an industry leader in Road and Street Maintenance and Repair with innovative road surface treatments, quality road repair products and equipment and leading road crack filling technologies. Road maintenance and repair professionals turn to SealMaster for quality road surfacing products, road crack ...

Asphalt Seal-Coat Treatments

California, Nevada, and Arizona DOTs have been using the scrub seal method with P.A.S.S.™ for the last 5 to 10 years successfully. The road superintendents from these States claim they save money and time by reducing or eliminating the need for sealing the cracks …

Routing and Sealing of Cracks in Concrete

Routing and sealing of cracks in can be used for dormant cracks not involving the restoration of tensile strength. In this method the crack is enlarged along its exposed face to form a V-shaped groove up to a minimum width of 6 mm and a depth of 6 to 25 mm.

Materials and Procedures for Sealing and Filling Cracks in ...

Materials and Procedures for Sealing and Filling Cracks in Asphalt-Surfaced Pavements Kelly L. Smith, A. Russell Romine Materials and Procedures for the Repair of Potholes in Asphalt-Surfaced Pavements Thomas P. Wilson, A. Russell Romine ERES Consultants, Inc., Savoy, Illinois Strategic Highway Research Program National Research Council

Asphalt Crack Filling and Sealing | Crack Filling

Sealcoating and crack filling is a fraction of the cost of repairing or replacing asphalt pavement. The key to effective crack filling and sealing is to repair and fill the cracks while they are small, as crack filling inhibits crack growth and keeps new cracks from forming.

Best Practices Handbook on Asphalt Pavement …

Slurry seal: A mixture of fine aggregate, asphalt emulsion, water, and mineral filler, used when the primary problem is excessive oxidation and hardening of the existing surface. Slurry seals are used to retard surface raveling, seal minor cracks, and improve surface friction.

5 Things You Need To Know About Crack Filling

Thankfully, asphalt crack filling and crack sealing can help you repair and preserve your asphalt parking lot or roadway. In order to treat asphalt damage, it's important to be aware of how the surface was impacted by distress, and which repair method is the correct treatment.

Road Cracks | Types of Road Cracks - Road Cracking Reasons

Identification of the road cracks at an early stage is essential as preventive road maintenance and effective remedial measures can be applied before the problem becomes too severe and the pavement fails. Pavement maintenance thus leads to enormous economic benefits in …

TECH BRIEF Sealing and Filling Cracks in Asphalt …

Sealing and Filling Cracks in Asphalt Pavements FHWA Contact: Monte Symons, 202-493-3144 Background Sealing and filling asphalt pavement cracks is a common road maintenance activity. Specialized materials are placed into or above cracks to prevent the intrusion of water and incompressible material

Field Manual for Crack Sealing in Asphalt Pavements (0 ...

and to extend the service life of our roads. TERMINOLOGY Crack repair consists of crack sealing and crack filling. Usually, crack sealing re- ... materials and the equipment involved can present safety hazards to both workers and ... Crack Treatment Method Crack Sealing w/Routing Crack Sealing Width (in.) 0.2 to 0.75 0.2 to 1.0

Method Statement for DBST Road Maintenance

2.3 Bitumen Works: The bituminous seal coat (12 mm) is 43500 m2, while sealing aggregate (12 mm) is 43500m2, bituminous seal coat (19.0 mm) is 32510 m2, while sealing aggregate (19.0 mm) is 33251m2. Others are the repair of cracks (5500 m), repair of potholes is 2000 m2, repair of edge break is 1950m; leveling with Bitumen surface

Technology Transfer Specialist - michiganltap

Crack Sealing Program Equipment Air Compressor zTo clean dust & debris zPressure: 100 psi min zFlow: 150 cfm min zVelocity: 3250 fps min


pavement along the crack lines provides a reservoir for sealant in smaller cracks and an intact sidewall for adhesion. Some industry professionals skip this step and move on to the cleaning process, a method known as "blow and go." However, routing and sawing cracks before sealant installation

How To Repair Cracks to Extend Asphalt Pavement Life

How To Repair Cracks to Extend Asphalt Pavement Life ... method need to be careful not to burn the asphalt and cause further damage. A heat lance can also allow a contractor to fill or seal cracks ...

How much does it cost to repair asphalt cracks?

Asphalt crack repair by filling is a common approach to improving the appearance and/or functionality of damaged asphalt surfaces like driveways. The cost to apply average asphalt crack repair depends upon the area and condition of the surface and cracks, the type …

The importance of preserving pavements | Asphalt magazine

The importance of preserving pavements by Dwight Walker, P.E. Pavement preservation is a major consideration of owners and managers of streets, highways, parking lots and all types of pavements.

Slurry Seal Treatment Types

Slurry seal is applied in order to help preserve and protect the underlying pavement structure and provide a new driving surface. Roads chosen for slurry seal applications generally have low to moderate distress and narrow crack width. Slurry seal applications serve to seal the cracks, restore lost flexibility to...


Abstract: Crack sealing is a routine and necessary operation of paveme nt maintenance. Manual observation of road surfaces has been the most common method for evaluating road surface cracks around the world. However it is difficult to objectively and accurately assess the road cracks based on human visual perception.

Evaluation of Asphalt Pavement Crack Sealing

The crack sealing work on Runway 08-26 consisted of removing the existing sealant by routing, routing new cracks, and then sealing the cracks with a low modulus crack sealant. Prior to placing the sealant, the routed cracks were blown clean with compressed air and then heated with a hot, compressed air lance to remove moisture.

How to Seal or Repair Cracks in Concrete Walls, Floors or ...

We list all of the current methods used to seal control joints or cracks that occur in those building surfaces, giving the properties, general procedure, and pros and cons of each method: control joint inserts, masonry caulks, radon crack sealants, semi rigid epoxy resin crack fillers, special poly urea caulks designed as a joint filler - polyurethane foam injection to seal cracks, grouts including portland …

Concrete Crack Repair Methods - Applied Technologies

Concrete Crack Repair Methods Use this section as a guide to determine which product you should use. Applied Technologies has been supplying the waterproofing industry since 1998 with quality crack repair materials and equipment. This includes cracks in …

5 Different Methods of Pothole Repair - The News Wheel

Apr 29, 2014 · Known as the most basic pothole repair method, the throw-and-roll repair is a temporary solution to fix your pothole problems. All you need to do is place your asphaltic patch materials into the...

Asphalt Patching and Crack Repair | Family Handyman

Cleaning and filling hairline cracks are more time consuming for asphalt repair, and the fix won't last unless you widen them with an angle grinder and diamond wheel (Photo 1). Once you finish digging out all the cracks, blow the dust and debris out of the cracks and off the driveway using a leaf blower or compressed air gun.

Chapter 3 Pavement Patching and Repair

A smooth surface with good skid resistance, free of alligator cracks, pumping, pushing, wheel rutting, raveling, frost heaving, and pot holing, is desirable for safe travel by the people we serve.

Asphalt Crack Filling Machines

Sealing cracks in asphalt will prevent water from getting down into the asphalt foundation and causing potholes and depressions. We’ve spent more than 20 years engineering and listening to our customers' feedback so that we could offer equipment that you can count on. Get the job done right with our industry-leading asphalt crack filling equipment.


Secion 687 - VicRoads

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Cold curing, two component, solvent free, epoxy or polyurethane sealants or silicones, polysulphides or asphaltic materials may be used to seal cracks. Cement grouts shall not be used for this type of crack repair. Sealants shall be able to withstand cyclic deformations and shall not be brittle.

ASTM D5329 - 16 Standard Test Methods for Sealants and ...

1.1 These test methods cover tests for hot-applied types of joint and crack sealants and fillers for portland cement and asphaltic pavements. There are numerous standard material specifications that use these test methods. Refer to the respective standard material specification of interest to determine which of the following test methods to use.

The Basics of Crack Filling | pavemanpro

Regardless of how it gets done, crack sealing/filling of asphalt pavement – driveways, parking lots and roads – is necessary structurally, and can yield long-term financial savings. This article was written by Greg Walters of Sealmaster – Manufacturer of high quality asphalt maintenance materials and equipment.

Pavement Solutions for Cracks and Joints (Less than 1.5 ...

Crafco Crack Sealing Materials For cracks in pavement less than 1.5” (38 mm) wide, Crafco recommends crack sealing to extend the life of the pavement. Contact one of our representatives today at sales@crafco for more information.

The Most Common Road Resurfacing Methods - Arthur …

Mar 24, 2015 · The Most Common Road Resurfacing Methods. ... method is used when there are minimal cracks on the surface and the asphalt binder is soft enough to accept the new asphalt. Specialized equipment ...


Methods and Standard Practices (ATM) are hereby made a part of these Specifications. Additionally, the Western Alliance for Quality Transportation Construction (WAQTC) Test Methods and Procedures are hereby incorporated into these Specifications. The test designations listed below are those that are currently specified for use in this Division.

Road maintenance and construction equipment | TM TICAB …

Sprayers for water based bitumen emulsion are used for patching repairs, asphalting of the roads, the adjacent areas, crack and joint sealing. CRACK SEALING MACHINE A crack sealing machine produced for melting and pouring the bitumen-elastomeric sealing compounds order to seal crack/seams and provide waterproofing for repait and construction work on highways, airfields, bridges.

Chip Seal Fact Sheet

Chip seals provide an effective moisture barrier for the underlying pavement against water intrusion by sealing cracks in the pavement. Chip seals prevent deterioration of the asphalt surface from the effects of aging and oxidation due to water and sun.

Crack Sealing Tools, Crack Filler Products | Sealcoating

Crack Sealing Tools for filling and sealing Pavement Cracks.. Our tools are used by those performing Parking Lot Crack Sealing, Crack Sealing of Roadways or Concrete Joints.. Our tools are constructed of the finest materials and ship to your door quickly.

Pothole Repair and Asphalt Patching Equipment – Asphalt ...

Eliminate potholes and other road and street problems rather than just cover them up. A pothole is most often a reflection of insufficient or deteriorated base. However, most asphalt patching and pothole repair methods simply fill in the potholes, seal the cracks or cover with an overlay.

road crack sealing machine, road crack sealing machine ...

Nanjing Roadsky Traffic Facility Co., Ltd. It’s also suitable of sealing joints of plates and sealing after road excavation works. Liquefied gas heating, easy to operate, road crack sealing machine. 1.Q:Are you a factory or trading company9 A:We are factory which in …

Auto inspection system using a mobile robot for detecting ...

These methods have been applied in practical settings including roads, bridges, fatigues, and sewer-pipes , , , , . The particular purpose of this study is to suggest an integrated system of a crack detection module and mobile robot for application to the tunnel environment.

UFGS 32 01 17.61 Sealing Cracks in Asphalt Paving

SEALING CRACKS IN ASPHALT PAVING 05/17 ***** NOTE: This guide specification covers the requirements for sealing cracks in bituminous pavements. Adhere to UFC 1-300-02 Unified Facilities Guide Specifications (UFGS) Format Standard when editing this guide specification or preparing new project specification sections. Edit this guide

Crack & Joint Filler Sealing Equipment, Melters, Parts ...

Our crack sealing equipment includes hot pour melters and pour pots for applying crack filling and sealing materials. You will find V and U-shaped crack squeegees in for smoothing rubber and cold pour crack sealants and the cleaning a preparation tools for proper joint cleaning prior to material application.

Pavement Distress Summary - Asphalt InstituteAsphalt Institute

Re-seal surface using proper procedure and adjustment of equipment. Moisture Damage (stripping) Identified by pavement shoving, bleeding or rutting Moisture in pavement by high voids/low density, usually trapped in lower or intermediate layer

County of Georgetown, South Carolina

volume roads. For high volume roads, the County seeks to retain the selected vendor/contractor to apply sealer. These specifications request rates for furnishing of all materials, appliances, and equipment, and also labor rates for performing all work and operations in connection with the application of sealer


Preface This book contains two pavement maintenance manuals intended for use by highway maintenance agencies and contracted maintenance firms in the field and in the office.

UFC 3-270-01 O&M Manual: Asphalt and Concrete …

ufc 3-270-01 21 february 2018. unified facilities criteria (ufc) o&m manual: asphalt and pavement maintenance and repair . approved for public release; distribution unlimited

Sealcoating Equipment - Asphalt Kingdom

Contractor grade sealcoating equipment and crack repair equipment for all types of asphalt repairs. All our asphalt sealing equipment ships free to your door.



Asphalt Pavement Crack Repair - University of Minnesota

Asphalt Pavement Crack Repair. Submitted by Ann Johnson, Instructor. Many Minnesota airports include crack sealing as part of their pavement maintenance program. Sealing cracks in asphalt-surfaced taxiways and runways is an effective means of preventing moisture from infiltrating the pavement structure.