Abstract: A system, apparatus, and method can control one or more screed extensions or extenders of a paving machine. Such control can include identifying a location of an undesirable surface condition of a mat paved on a base by the paving machine using data from one or more sensors associated with a screed extension; characterizing the undesirable surface condition of the mat; and adjusting a height and/or an angle of attack of an extension plate of the screed extension to prevent future occurrences of the undesirable surface condition responsive to the identification and characterization of the undesirable surface condition. The location of the undesirable surface condition can represent a start of the undesirable surface condition in a transverse direction of the paving machine and can be associated with either an interface between the screed extension and a main screed or outward of the interface, along a length of the extension plate of the screed extension.

Abstract: A paving mixture for application to a surface and a method for the same are provided. The mixture comprises a binding material layer applied to the surface to form a base layer on the surface, and an aggregate material layer applied on top of the binding material layer, wherein the binding material layer comprises at least 13% of the bitumen in the paving mixture by weight, the aggregate material layer contains an asphalt mixture that provides a road surface, and the aggregate material layer and the binding material layer are combined on the surface within 30 seconds of application of the binding material layer.

Abstract: A method of applying building a pavement structure using a polymer modified hot-applied tack coat is disclosed. This polymer modified tack coat is non-adhesive at ambient temperatures, and, thus, also non tracking. The tack is applied while hot, but cools quickly. The subsequent application of hot mix asphalt results in a superior bond between the asphalt layer and the tack layer. It is particularly well suited to bonded friction course applications since it removes the necessity of specialized spray paving machinery and allows the use of conventional asphalt distributors and pavers.

Abstract: Ketimines of benzylated polyamines and MEK are disclosed. The ketimines can be used as an epoxy curing agent and impart improved potlife, and enhanced blush and chemical resistance of cured epoxy coatings.

Abstract: An extendable screed has independent height and angle of attack adjustment for a lower extender frame. At least one post and cylinder assembly are used to couple the lower extender frame to an upper extender frame at a pin that allows rotation of the lower extender frame relative to the upper extender frame. A vertical adjuster uses a drive rod with a pivoting attachment at the lower extender frame. An axis of rotation of the pin and an axis of rotation of the pivoting attachment are co-linear. This arrangement allows lower extender frame to move vertically while allowing angle of attack adjustments to be made about the co-linear axes of rotation. Simple screw adjusters displaced from the axis of the pin and collet assemblies allow raising and lowering the back of the lower extender frame to adjust the angle of attack.

Abstract: A method of repairing cracks in a paved surface includes identifying at least one crack in the surface that needs to be repaired. The crack is then filled with an asphalt sealer including approximately 40-55% by weight of slag sand.

Abstract: A composition is provided for use in a pavement surface, comprising (a) asphalt in an amount of from 40 to 70 parts by weight; (b) an electrically neutral copolymer in an amount of from greater than 0 to 10 parts by weight; (c) an emulsifier in an amount of from 0.1 to 4 parts by weight; (d) an acid or a base in an amount of from 0.1 to 4 parts by weight; and (e) water in an amount of from 25 to 60 parts by weight. A method of making a composition, a method of applying a composition, and a paved surface is also disclosed.

Abstract: A method of forming architectural concrete in a quicker and more cost effective manner relative to conventional concrete formation methods. The method includes forming the architectural concrete without the use of a surface retarder, and using prescribed amounts of fine sand and aggregate to allow for creation of the desired aesthetic look of the architectural concrete.

Abstract: A water-impermeable grout containment sheet and a method for using the sheet, for example, during the construction of a roadway to support vehicular traffic. An excavation is first cut into a road bed, and a moisture (i.e., water) impermeable grout containment sheet is laid inside the excavation. A plurality of concrete panels are positioned adjacent one another to be coupled together within the excavation, such that at least one of the panels sits on top of the water-impermeable grout containment sheet. Grout is then pumped below the one panel to hold the panel in place within the excavation. The water-impermeable grout containment sheet lies between the grout and the road bed to establish a containment envelope to stop the grout from migrating away from the panel and prevent water from seeping outwardly from the grout into the road bed and into the grout from the excavation.

Abstract: A method of slowing an aircraft overrunning a runway, including paving an area immediately beyond the end of a runway with foamed glass bodies to define a bed, covering the bed with a layer of cementitious material to define a composite bed, and crushing at least a portion of the composite bed with an oncoming aircraft, wherein crushing the at least a portion of the composite bed removes kinetic energy from the oncoming aircraft to slow the oncoming aircraft. The composite bed is generally resistant to fire.

Abstract: A unitary safety surface tile. The tile may interlock with at least one other tile. Each tile may be configured for disposing on a base of loose fill. Each tile may be configured for receiving a covering of loose fill. Each tile may include a plurality of hollow pockets. Each of the pockets may connect to at least one other pocket along a top edge of each pocket. Each of the pockets may engage the base of loose fill and/or receive the covering of loose fill. Each of the pockets may include one or more apertures for allowing passage of fluid through each of the pockets. Each tile may further include a plurality of edges. The edges may border the plurality of pockets. Each of one or more of the edges may be adapted for engaging at least one edge of at least one other unitary safety surface tile.

Abstract: A method for forming a concrete slab at a location subject to freezing temperatures is disclosed. Additionally, a method for forming a concrete slab with aggregate embedded at the exposed surface of the concrete slab is disclosed. The method contemplates utilization of a waterproof concrete mix.

Abstract: A process is disclosed which converts intractable, semi-solid drill cuttings into a free-flowing granular, soil-like SDC material, which, after appropriate compaction, can be beneficially used for a variety of engineering construction applications, thereby removing the need for disposal with its associated costs and environmental impact, and as a result improving the overall economics for gas well development, together with improving corporate sustainability and reducing liability.

Abstract: A tack film material comprises a carrier substrate comprising a polymer film having first and second major surfaces. A surface layer on the first and second major surfaces comprises a resinous non-asphaltic material or a material including about 50% or more resinous non-asphaltic component and about 50% of less of asphaltic component. the surface layer is capable of forming a bond with an adjacent layer of asphaltic paving material, when the surface layer is heated to a temperature of about 120° C. or more under a pressure that is applied to the tack film material by an overlying layer of the asphaltic paving material having a thickness of about 3.8 cm (1.5 inch) or more laid. The surface layer is not tacky at a temperature of about 20° C. and a pressure of about one atmosphere.

Abstract: A road overlay product for protecting a repaired road portion including repaired potholes and utility cuts. A pothole or utility cut is preliminarily repaired with asphalt fill and compacted per current standard practice. Thereafter, the overlay is placed upon the compacted top surface of the asphalt fill, overlapping onto the adjacent road surface and compressed. The overlay forms a water proof seal preventing water from seeping into the repaired area. The overlay also resists crack propagation and minimizes the potential of asphalt chipping and the breaking down of the asphalt fill and surrounding roadway.

Abstract: A synthetic putting green includes a crown, skirt and trough. The putting green includes a support surface shaped to define a crown, a skirt circumferentially positioned about the crown and a trough circumferentially positioned about the skirt. Landscape edging is applied to the support surface about a perimeter of the crown so as to define an interior space functioning as a putting surface. A containment layer is applied upon the support surface within the interior space and an open cell foam material applied over the containment layer within the interior space. A layer of synthetic turf is then applied to cover the containment layer and the open cell foam material within the interior space. A method for making the synthetic putting green is also disclosed.

Abstract: The invention concerns a method for covering parts of a rail (1) for railway vehicles which are not in contact with the vehicle wheels, said method comprising applying a rubber jacket (6) on said parts and fixing said jacket to the rail, said jacket having outer lateral sides which extend along the rail, and for a predetermined load exerted by the vehicle on the rail, a distribution of said load between a first fraction exerted on the rail head (3) and a second fraction of said load exerted on the rail base (4) is determined, the geometry of each lateral side being configured to form a non-rectilinear profile allowing said distribution between said first and second fraction.

Abstract: A method for forming a concrete slab at a location subject to freezing temperatures is disclosed. Additionally, a method for forming a concrete slab with aggregate embedded at the exposed surface of the concrete slab is disclosed. The method contemplates utilization of a waterproof concrete mix.

Abstract: Photovoltaic devices and methods of making the same are disclosed herein. The cell comprises: a first electrically conductive layer; at least one photoelectrochemical layer comprising metal-oxide particles, an electrolyte solution, an asphaltene dye, and a second electrically conductive layer.

Abstract: The present invention relates to a process for repairing top layers for roads, tracks, and other areas used by traffic, by applying an amount of at least 20 g/m2 of a polymeric material to the damaged site, applying an amount of at least 80 g/m2 of a first polyurethane reaction mixture (which can comprise additives) to the polymeric material, and applying, to the first polyurethane reaction mixture, a mixture comprising mineral aggregate and a second polyurethane reaction mixture, and allowing the material to harden. The present invention further relates to a repair kit for repairing top layers for roads, tracks, and other areas used by traffic.

Abstract: A road patch for repair of potholes is disclosed. A pothole is preliminarily repaired with asphalt fill and compacted per current standard practice. Thereafter, a road patch is placed upon the compacted top surface of the asphalt fill, overlapping onto the adjacent road surface and compressed. The road patch forms a water proof seal over the surface area of the patch preventing water from seeping into the repaired pothole. The patch also resists crack propagation and minimizes the potential of asphalt chipping and the breaking down of the asphalt fill.

Abstract: A method and material for paving a surface, such as a dirt trail, is disclosed. The method includes obtaining raw chert material which is composed primarily of particles of gravel, sand, and clay obtained from a quarry or mine, and which has been screened to remove particles of a size of one inch or more. The screened chert is mixed to achieve consistency of the material, then mixed with a predetermined quantity of an aqueous enzyme solution. The aqueous enzyme solution contains an enzyme fluid mixed with water in the ratio of 0.02 to 5 gallons of enzyme fluid to 400 to 1000 gallons of water. The material-solution mix is than applied to a surface in layers and compacted to achieve a finished thickness of about 6 to 10 inches. After a delay of 48 hours, the paved surface is usable by equipment and vehicles.

Abstract: A method for installing artificial turf at an airport or airfield includes removing or milling a portion of an airport runway or taxiway to create a new surface of the runway or taxiway, adhering a section of artificial turf to the new surface of the runway or taxiway and applying an infill to at least a portion of the artificial turf. An artificial turf system for an airport includes an airport runway or taxiway having a removed or milled surface, an artificial turf is adhesively secured to the new, milled surface of the airport runway or taxiway and an infill layer installed on at least a portion of the artificial turf.

Abstract: Various embodiments of a system and method of forming a decorative pervious concrete system are generally described. In some embodiments, the pervious concrete system comprises a coarse pervious layer, a binder layer, a decorative pervious layer and a decorative layer sealer. In some embodiments, the decorative pervious layer comprises a decorative aggregate which may be at least partially exposed.

Abstract: A gravel spreader/paver apparatus and method for transporting and spreading gravel and other base materials, onto a surface, such as a roadway, including a hopper portion for receiving base material from a separate machine, such as a dump truck; attachment brackets for attaching the apparatus to machinery for providing movement to the apparatus; a roll of geo-textile fabric secured onto the apparatus; base material, such as gravel, in the hopper portion for being delivered on the geo-textile fabric as the fabric is unrolled from the apparatus while the apparatus is moving forward; an adjustable moldboard mounted on the apparatus for spreading the base material to a pre-determined, precise depth; the moldboard adjustable to multiple positions, to control the amount, depth, and width of the material being spread; adjustable plates for allowing the base material to be spread onto the sub-base at predetermined widths, depths and slopes.

Abstract: The product and the process for preparing a precast roadway slab that is pre-tensioned longitudinal y and transversely and which slab may be post tensioned. A new casting bed has the capability of permitting pre-tensioning of a concrete cast to be carried out within the casting bed in both the longitudinal direction and in the transverse direction. Slots are provided at regular intervals within the side walls and jacking heads of the casting bed for tensioning wires to pass there through for pre-tensioning. The process utilizes a multilayer grid of pre-tensioning wires disposed within the casting bed, prior to pouring of the concrete. The cast concrete product is also made with optional tubular ducts, laid parallel to the longitudinal wires for post-tensioning prior to the cast of the concrete. The post tensioning, if called for, of the hardened cast takes place at the job site.

Abstract: A method of applying a new surface to an existing surface. The method comprises applying a bituminous emulsion bonding layer to the existing surface; destabilizing the bituminous emulsion bonding layer; and applying a bituminous mixture to the bituminous emulsion bonding layer.

Abstract: A traffic bearing structure with a permeable pavement includes a subgrade, a base positioned on top of the subgrade, and a wear surface positioned on top of the base. The base includes aggregate compacted in a single lift, where the aggregate in the base includes different sized particles mixed together. The wear surface includes a permeable pavement. The particle size distribution of the aggregate in the base is selected to provide adequate stability and permeability for the permeable pavement.

Abstract: A system and method for building and renovating golf course paths to provide an alternate golf cart path with a drainage system and durable natural path for golf. A drainage system and a layer of gravel is installed over the entire sub grade of the path. A layer of crumb rubber is placed over the gravel. A pre-polymer is sprayed onto the layer of crumb rubber and gravel to secure it in place. The polymer sprayed is permitted to cure for approximately 24-48 hours.

Abstract: Provided is a method for manufacturing artificial paving that helps improving global warming. A water permeable paving layer is provided under which a drain layer, which includes gravels or sand, is selectively formed, and an interfacing layer is formed under the drain layer. An ecological gradation layer is set and rammed.

Abstract: Self-compressing asphalt mixtures, in particular according to the mastic asphalt principle, and in particular mastic asphalt mixtures for roadway topcoats, asphalt intermediate layers, asphalt binder layers and/or asphalt sealing layers used in road construction. Roadway topcoats, asphalt intermediate layers, asphalt binder layers, and/or asphalt sealing layers containing such asphalt mixtures, methods for forming the same, and methods for transporting the asphalt mixtures, such as to an installation site, are also disclosed.

Abstract: A method produces a composite material using a mixing system. The composite material comprises at least one aggregate, e.g. rock and/or glass, and the reaction product of a two-component polymeric binder composition comprising a first component, e.g. an isocyanate component, and a second component, e.g. an isocyanate-reactive component. The mixing system includes a mixing apparatus. The method includes the step of providing the aggregate, the first component and the second component into the mixing apparatus. The method further includes the step of mixing the first and second components to produce the reaction product of the two-component polymeric binder composition, and the step of applying the reaction product of the two-component polymeric binder composition to the aggregate within the mixing apparatus to produce the composite material. The composite material can be used for forming a paved structure, such as a sidewalk or a roadway.

Abstract: The invention is a foamed bituminous emulsion comprising a bituminous emulsion and vapor entrained within the bituminous emulsion, such that the foamed bituminous emulsion is a frothy mass of foam. The temperature of the foamed bituminous emulsion may be less than 100° C., less than 75° C., or less than 50° C. The vapor entrained within the bituminous emulsion may have a volume greater than 5%, 25%, or 50% by volume of the volume of the bituminous emulsion. The foamed bituminous emulsion may be combined with paving materials to produce a foamed bituminous emulsion paving mixture. A layer may by produced by forming a bituminous emulsion; foaming the bituminous emulsion to produce a foamed bituminous emulsion, where foaming the bituminous emulsion comprises causing vapor to become entrained within the bituminous emulsion; combining the foamed bituminous emulsion with paving materials to produce a paving mixture; and applying the paving mixture to an existing surface to form a new surface.

Abstract: Disclosed is a method for constructing an asphalt-paved gutter, the gutter being of the type having a trough-shaped base and an asphalt layer defining the gutter which overlies the base. The method comprises screeding a surface with a shaping screed having the shaping profile of said trough-shaped base to form said trough-shaped base. The gutter is formed with an asphalt laydown machine, of the type used in road construction to spread asphalt over a base course and which screeds and compacts the asphalt using a floating screed, by providing a protuberance underneath the floating screed which protuberance is shaped and dimensioned to screed and compact the asphalt layer in use.

Abstract: A method for the production of a roadway structure, the method including: (i) applying a primer to a support structure; (ii) applying a plastic membrane to the support structure that is primed according to step (i); and then (iii) applying an adhesive composition that includes a) at least one solid epoxide resin, and b) at least one thermoplastic polymer that is solid at room temperature, and (iv) applying a bitumen-based support layer.

Abstract: A sorptive-filtration system for removing at least one of negatively or positively charged ions, complexes or particulates from an aqueous stream. The system includes a) flow formed substantially from at least one of rainfall-runoff or snowmelt-runoff; b) a filter containment communicating with the runoff stream such that at least part of the stream passes through the filter containment; and c) a granular filter media disposed within the filter containment, the filter media having an amphoteric material applied thereto, wherein the amphoteric material comprises a metal selected from at least one of Fe, Al, Mn, or Si.

Abstract: Provided is a method for manufacturing artificial paving that helps improving global warming. A water permeable paving layer is provided under which a drain layer, which includes gravels or sand, is selectively formed, and an interfacing layer is formed under the drain layer. An ecological gradation layer is set and rammed.

Abstract: A paving system comprises an upper paving layer (1) permeable to liquid, and a substrate layer (7) of load bearing particulate material. Particles (10) of a non-load bearing, non-degradable porous foamed polymeric material are distributed in the interstitial spaces between particles (9) of the load bearing particulate material. The porous material may be an open celled phenolyic foam such as foamed phenol formaldehyde resin. The porous material absorbs water and also serves to retain microorganisms to break down pollutants. The system can be in fluid communication with the surrounding soil. Elements of the porous material may be used in lumps, which crumble under load into particles, which settle into the substrate layer.

Abstract: A method for designing a haul road based on machine performance comprises receiving one or more haul road parameters and identifying at least one type of machine to be operated on the haul road. The method also includes selecting at least one target operating parameter associated with the at least one type of machine and simulating performance of the at least one type of machine to predict an operating value corresponding with the at least one target operating parameter. If the predicted operating value is not within a threshold range of the corresponding target operating parameter, one or more haul road parameters are adjusted.

Abstract: Methods and compositions for improving the strength and longevity of secondary roadways through environmentally sound practices are disclosed herein. A composition for road sealing includes an aqueous emulsion of acrylic and vinyl acetate polymer, water, and a resin-modified emulsion, wherein the resin-modified emulsion includes a mixture of pitch and rosin, an emulsifying agent, and water.

Abstract: In order to provide a pavement body that is well drained and that keeps a part of water at a time of rain so as to avoid generation of a large amount of discharging water, that supplies the kept water to a surface layer at a time of drought and that soaks up the water of the roadbed so as to lower the temperature of the surface layer, a middle layer part (12) is formed by laying a porous aggregate mixture (a) made by mixing a porous material with a solidification material of a cement system, and a surface layer part (11) is formed by laying an asphalt mixture (b) having a water permeable function on the middle layer (12) so that a base course (1a) comprising a pavement body (1) is formed.

Abstract: The cover layer is applied as an asphalt cover layer (5, 5?, 5?) to avoid significant restrictions of the running traffic and for shortening the construction time. Also, this asphalt cover layer is arranged above the upper face (OK) of the runway or roadway in need of renewal and an asphalt base coarse layer (4, 4?, 4?, 4??, 4??, 4???) is disposed between the base layer (2, 2?) and the asphalt cover layer (5, 5?, 5?). A method subdivides the roadway or runway in the direction of travel into a primary lane (7) and at least one secondary lane (8, 9). First, the work subzones (10) to (14) of the primary lane (7) are processed and then the work effort is transferred to subzones (15) to (20) of the secondary lanes (8, 9) for processing. At least the frost-protective layer (1) remains in the earth and at least an asphalt base layer (4, 4?, 4?, 4??, 4??, 4???) and an asphalt cover layer (5, 5?, 5?) are applied thereon.

Abstract: A traffic bearing structure with a permeable pavement includes a subgrade, a base positioned on top of the subgrade, and a wear surface positioned on top of the base. The base includes aggregate compacted in a single lift, where the aggregate in the base includes different sized particles mixed together. The wear surface includes a permeable pavement. The particle size distribution of the aggregate in the base is selected to provide adequate stability and permeability for the permeable pavement.

Abstract: The present invention relates to a method for applying a crack resistant coating on a surface, where the crack resistant coating increases resistance to high vertical and horizontal movements and high shear stresses on the surface. The method comprises the steps of applying a binding material to the surface, applying an aggregate mixture within 15 seconds of applying the binding material to the surface, and allowing the binding material to fill some of the air voids in the aggregate mixture to form a substantially voidless layer with a height of at least 0.38 cm.

Abstract: A method for bonding together an existing substrate layer and a pavement layer, such that a strong adhesive bond is formed by using a tack coat, provided by an asphalt emulsion, in between the layers as the bond coat. The tack coat layer is a low-tracking coating which cures quickly such that the pavement layer may be applied to the substrate, hours to days after the emulsion is applied to the substrate. The asphalt emulsion comprises at least a first phase of from about 30% to about 70% of an asphalt composition, about 30% to about 70% water, and about 0.1% to about 3.0% emulsifying agent, stabilizer and/or additives, or 0.1% to about 30% if polymeric or other additives are also included.

Abstract: A pavement such as a road, driveway, sidewalk, parking lot or the like, formed with pervious concrete material and one or more basalt reinforcing members embedded in or positioned below the pervious concrete material. The one or more basalt reinforcing members add structural rigidity to the pervious concrete, making the pervious concrete capable or supporting loads as normally experienced on pavements. The one or more basalt reinforcing members may be basalt rebar rods, or basalt rebar rods having a Figure-Eight shape, or a mesh made of basalt strands. In one example, the pavement may also include a layer of filtration fabric positioned below the basalt reinforcing members. Various methods are described for forming pavements, roads, driveways, sidewalks, parking lots or the like. Such a pavement allows water or moisture to pass through the surface of the pavement and be filtered. Such a pavement reduces flooding and the need for complex storm drainage systems adjacent to the pavement.

Abstract: The present invention relates to a method for applying a crack resistant coating on a surface, where the crack resistant coating increases resistance to high vertical and horizontal movements and high shear stresses on the surface. The method comprises the steps of applying a binding material to the surface and applying an aggregate mixture within 15 seconds of applying the binding material to the surface, where the aggregate mixture comprises aggregate particles and an asphalt solution and where the aggregate mixture has a plurality of air voids, and where the binding material fills at least 15% of the air voids in the aggregate mixture (AVFA).

Abstract: A paving system for paving or flooring includes a top layer of a plurality of paving elements, and an underlayment support layer of a polymeric material configured into panels. The panels are suitable to support the paving elements, the panels having a generally planar support surface and a recovery characteristic such that a deformation from a concentrated compressive load applied for a short duration returns the support surface to a generally planar condition.

Abstract: The present invention is directed to a rut resistant coating and a method for applying the rut resistant coating on an existing surface for increasing resistance to high vertical and horizontal strains and high shear stresses. The method includes applying a binding material layer of the rut resistant coating on the existing surface to provide a substantially impermeable moisture barrier to the existing surface, the binding material layer containing less than about 11% of the total binding material of the rut resistant coating. After applying the binding material layer, an aggregate mixture layer is applied on the binding material layer to provide the wear surface of the rut resistant coating and support and structure to the rut resistant coating to resist rutting, the aggregate mixture layer containing an asphalt solution.

Abstract: This invention relates to a novel seal coat process and equipment for applying the seal coat to improve the reliability of seal coat aggregate retention to the surface of the pavement by increasing the surface area of aggregate covered with binder and interlocking the aggregate with finer gradation material such as choke stone. It also relates to the use of lower amounts of asphalt binder, lower amounts of aggregate application, lower quality of aggregates, use of softer binders, and faster release to traffic times.