Abstract: A control and switchover system is provided for controlling milling depth and/or slope of a milling drum of a road construction machine during a milling operation to create a milled surface. The system controls the milling depth and/or slope at least in part on a measurement made with a first sensor. Without interrupting the milling operation the system switches over the control of the milling depth and/or slope to control based at least in part on a measurement made with a second sensor.

Abstract: An improved casting for a road marker having a reflector and a method of installation for the road marker are disclosed. The method of installation includes forming a groove that has a rectangular geometry when view from above and is longitudinal oriented parallel to the direction of the road. The groove can also have a deeper section at the center with the same geometry of the groove but with a bigger radius to receive one or more legs from the road marker of the present invention.

Abstract: Provided is an asphalt composition that includes a sulfur modified polymer composition and method of making same. The inclusion of 50% by weight sulfur, or greater, into the polymer composition results in a composition that is softer and having an increased melting point, relative to the unmodified polymer composition.

Abstract: The present disclosure generally relates to formulations of, and methods of making and using, recycled reclaimed asphalt pavement.

Abstract: A soil stabilizer containing a carbonaceous material is disclosed, together with methods for preparing and using the soil stabilizer.

Abstract: The present disclosure generally relates to formulations for, and methods of making and using, an asphalt aggregate paving material without heating the material.

Abstract: There is provided a material management system for continuous cold in-place recycling of pavement, the system comprising a crusher vehicle for crushing pavement on the ground surface, the crusher vehicle comprising a first conveyor for evacuating crushed pavement material rearwardly from the crusher vehicle; a paver vehicle located rearwardly of the crusher vehicle for repaving the ground surface using the crushed pavement material; and a material feeder located between the crusher vehicle and the paver vehicle, the material feeder comprising: a container for receiving the crushed pavement material; and a second conveyor for moving the crushed pavement material rearwardly from the front container end towards the rear container end of the container in order to enable the paver vehicle to repave the ground surface using the crushed pavement material. There is also provided a method for performing cold in-place recycling of pavement and a method for manufacturing the material feeder.

Abstract: A concrete paver system with a reconfigurable hydration system which utilizes a plurality of individually flow controllable spray nozzles, which are clamped on support structures, which also support objects being dragged across a top surface of concrete which is being finished. The plurality of flow controllable spray nozzles being configured to be moved about said hydration system so as to change a pattern of water vapor application, all without the use of tools.

Abstract: A molded flexible tool for use in stamping a pattern into a base material, such as concrete, that has integrally formed segments defining openings to form grout lines in the base material. The flexible tool can be folded or rolled for storage and easily and quickly unrolled for deployment, use, and then cleaned and refolded or rolled for storage.

Abstract: A mat for creating patterns in concrete includes a center portion, a feathered border surrounding the center portion, a top surface, and a bottom surface. A design stamp is positioned in the center portion of the bottom surface.

Abstract: A composition for dust suppression including an acrylic polymer, a polyvinyl acetate polymer, glycerin, and water is herein disclosed.

Abstract: A reinforcement mat that can be used to improve the durability and life of an asphalt paved surface. The reinforcement mat is partially or fully coated with a resin. The resin generally has a cure temperature in excess of about 140° F.

Abstract: A method of controlling a paving process is disclosed. The method may include mixing at least one capsule that at least partially encloses a dye within a paving material and dispensing the paving material at a desired location. The method may also include performing a compacting process on the paving material and monitoring for a presence of the dye at a surface of dispensed paving material. The method may further include controlling the compacting process based on the presence of the dye.

Abstract: A method of controlling a paving process is disclosed. The method may include mixing at least one sensor within a paving material and dispensing the paving material at a desired location. The method may also include monitoring a wireless signal from the sensor during the paving process. The method may further include controlling the paving process based on the wireless signal.

Abstract: A method for repairing roadway and pathway defects utilizes a filling material and a primer. The method calls for applying the primer to an edge of the defect; pouring the filling material into the defect; and curing the filling material to form a patch that is even with the road.

Abstract: A method for compacting a surface of granular materials is disclosed. The method is applicable to wheeled compaction equipment such as pneumatic-tire compactors, drum-type compactors and asphalt compactors. The propel system includes a controller programmed to send a first at least substantially constant propel command that propels the compaction equipment in a forward direction. The controller then changes the speed of the compaction equipment by providing a second varying propel command that may increase or decrease the speed resulting from the first command. As a result, the speed of the compaction equipment oscillates.

Abstract: A pre-fabricated pavement slab installation and replacement system is provided. The system includes a connector having an axial opening therethrough and engagement surface within the opening. The system further includes a pavement slab and an adjacent pavement slab, wherein a portion of the connector is embedded in the pavement slab and a remaining portion of the connector is exposed. The adjacent pavement slab has an interconnection slot, that can cover the remaining portion of the exposed connector. The system further provides that under the condition that the pavement slab and the adjacent pavement slab are cut apart, the connector is cut into a first half and a second half, wherein the first half of the connector contains the first engagement component and the second half of the connector contains the second engagement component. The first half of the connector can be subsequently removed by engaging the engagement surface.

Abstract: A geogrid reinforced compactable asphaltic concrete composite includes a bottom layer, a first compacted layer of asphaltic concrete, a triaxial geogrid, and a second compacted layer of asphaltic concrete. The first layer and the second layer each include an aggregate having sharp, compound edges, which when mixed in asphaltic cement, create an aggregate interlock within the triaxial geogrid that provides strength to a paved surface. As a result of the triangular aperture geometry of the triaxial geogrid, the geogrid provides an asphalt lateral confinement zone within the composite. The zone allows for the formation of transverse hairline cracks as stresses on the composite necessitate. At elevated temperatures, the asphaltic cement softens and flows into the small transverse cracks, thus enabling the asphalt mats to substantially reseal themselves.

Abstract: A composition for chemical improvement of soil and road base materials including an aqueous solution of a water repellant and an aqueous emulsion of a soil stabilizer and dust retardant is herein disclosed.

Abstract: The invention relates to a soil compacting device having an exciter part (1), which has an unbalance exciter (2) for producing an intermittent exciter force and a contact surface (3) for transmitting a force component of the exciter force directed perpendicularly to the contact surface (3) to the soil surface (4) to be compacted as a pulsing compressive force. The device also has a vibration damper part (5), which is connected to the exciter part (1) by means of a spring-damper unit (15). The spring stiffness of the spring-damper unit (15), the damping of the spring damper unit (15), the spring pre-load of the spring-damper unit (15), the mass of the vibration damper part (5), the mass moment of inertia of the vibration damper part (5), the mass of the exciter part (1), and/or the mass moment of inertia of the exciter part (1) can be varied during operation.

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: Concepts and technologies described herein provide for the repair of a crack in a paved surface such as a recreational court. According to one aspect of the disclosure provided herein, a crack is filled with a patching compound. A non-bonding soft coat is applied to the surface over the patching compound. A bond coat is applied to the surface adjacent to opposing sides of the soft coat. A membrane overlaid onto the soft coat, overlapping the bond coat on both sides of the membrane. A top coat is applied to the membrane, overlapping onto the bond coat. A finishing coat is applied to the top coat.

Abstract: Systems and methods of transferring loads between adjacent cast-in-place slabs, such as concrete slabs, and for accurately positioning dowels between adjacent sections of slabs are provided. A generally planar plate-type dowel is used which may be positioned within a cutaway in a preexisting slab of concrete. The dowel is shaped to generally conform to the shape of the cutaway, which is made by a saw blade. Once the dowel is positioned within the preexisting slab, a new slab is poured adjacent the preexisting slab. Rubber seals are included on the edges of the dowels to provide spacing or a gap between the dowel and the preexisting slab to allow for lateral independent movement of the adjacent slabs, and to prevent concrete from the newly poured second slab from entering into the gap. A saw unit for making a generally planar cut horizontally into an edge of a hardened concrete slab is also provided.

Abstract: A system for applying a road surface includes a plurality of operational components each with one or a plurality of adjustment parameters and an open loop control unit from which the adjustment parameters are communicated to the operational components. The system has a closed-loop control unit for determining the optimum adjustment parameters for obtaining at least one specified target value taking into account measurement quantities, for producing a command data set representing a plurality of optimum adjustment parameters and for communicating this command data set to the open loop control unit. The invention also relates to a method for controlling a system for the application of a road surface, in particular a road finisher.

Abstract: In various embodiments, a multi-application apparatus may be configured to be mounted on a vehicle. The multi-application apparatus may include a sprayer configured to apply a profileable material to an area of a driving surface during a pass of the vehicle by the area to create a first marking. The multi-application apparatus may also include an applicator configured to apply the profileable material to at least a portion of the area of the driving surface during the same pass of the vehicle by the area to create a second marking. The second marking may have a more varied profile than the first marking In various embodiments, the multi-application apparatus may include controls that enable independent control of various parameters during operation.

Abstract: A composite pavement structure comprises a wearing course layer and a base course layer disposed below the wearing course layer. The wearing course layer comprises aggregate, e.g. glass and rock, and an elastomeric composition. The elastomeric camposition comprises the reaction product of an isocyanate component and an isocyanate-reactive component. The isocyanate component comprises a polymeric isocyanate, and optionally, an isocyanate-prepolymer. The isocyanate-reactive component comprises a hydrophobic polyol and a chain extender having at least two hydroxyl groups and a molecular weight of from about 62 to about 220. The chain extender is present in the isocyanate-reactive component in an amount of from about 1 to about 20 parts by weight based on 100 parts by weight of the isocyanate-reactive component. The base course layer comprises aggregate which is the same or different than the aggregate of the wearing course layer. Methods of forming the composite pavement structure are also disclosed.

Abstract: The invention relates to an apparatus for soil compaction, especially a vibration tamper and a vibrating plate, comprising a compaction device which is driven via an electric motor, a rechargeable storage unit for electrical power, and an especially vibration-damped guide device. The invention further relates to an apparatus and a method for compaction control, especially for electromotively driven compaction apparatuses.

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: A method for recycling or renovating old pavements, wherein a rejuvenating binder is used including at least one compound based on fatty substances of natural origin including hydrocarbon fatty chains, these fatty substances of natural origin having undergone at least one chemical functionalization reaction through which at least one oxygenated functional group has been introduced. The rejuvenating binders and rejuvenating binder emulsions especially suitable to the method, and asphalt mixes based on regenerated reclaimed asphalt pavement are also disclosed.

Abstract: A method and a system is described for controlling at least one compaction machine in which the oscillations propagating from the compaction machine in the ground are detected by means of a sensor at least at one relevant measuring location. The measured oscillation values as detected by the sensor are sent to a data-processing unit which then compares the same with a permissible oscillation limit value for the respective measuring location. Upon exceeding the limit value, at least one compaction parameter of the compaction machine is changed in such a way that the measured oscillation values as measured at the measuring location are set by a control loop circuit automatically to a value smaller than or equal to the oscillation limit value.

Abstract: A compaction device includes at least one traveling drum rotatable about a drum shaft and having vibration exciters including unbalanced masses rotating out of phase by 180 degrees in the same direction of rotation and generating an oscillation torque about the drum shaft, and having a drive shaft running coaxial to the drum shaft for driving the vibration exciters. The drum is divided at least once and each drum part includes at least two coupled vibration exciters mounted at a distance from the drum shaft in the drum.

Abstract: An asphalt milling machine control is provided for an asphalt milling machine of the type which mills an asphalt pavement surface over which the machine travels. The machine has a milling machine body, and a rotatable milling drum mounted on the lower portion of the milling machine body, the bottom surface of the milling drum contacting the asphalt pavement surface to mill the surface to a design elevation. The machine further includes a plurality of machine body supports which are adjusted to raise or lower the height of the milling machine body and the rotatable milling drum with respect to the asphalt pavement surface. This defines the elevation of the surface that results from milling with the drum. The control includes a floating plate, mounted to the side of the milling machine and the rotatable milling drum, or a pair of floating plates mounted to either side of the machine, for sliding over the surface adjacent to the area to be milled.

Abstract: Embodiments of the present invention relate to systems and methods implemented in a pothole patching system for creating a vacuum that pulls heavy particulate, such as gravel, out of a hopper. For example, according to an embodiment, a vacuum body having a vacuum chamber formed therein is positioned proximate to an opening of the hopper. A moveable slide gate is provided between the vacuum chamber and the opening of the hopper. The slide gate moves between open and closed positions for permitting and blocking communication between the vacuum chamber and the hopper. A reduction nozzle is provided between an air source and the vacuum chamber. Forced air flows from the air source, through the reduction nozzle, and into the vacuum chamber. The reduction nozzle reduces the pressure of the forced air entering the vacuum chamber, and thereby creates a vacuum in the vacuum chamber. When the slide gate is in the open position, this vacuum pulls particulate from the hopper.

Abstract: The present invention provides a method and pavement structure for protecting highway subgrade in frozen soil areas. The pavement structure has two or more pavement layers having gradient thermal conductivity; the thermal conductivity is layered among the pavement layers and is lowered from top to bottom, so that the pavement forms a uni-directional thermal conducting tunnel from the subgrade to the air. Heat can be easily released from the subgrade into the air, and is prevented from being transferred from the air to the subgrade. In this way, the frozen soil layer beneath the subgrade is cooled, so that the frozen soil table is made stable, and the highway subgrade in frozen soil areas is protected.

Abstract: Process for making transitable paved surfaces includes the following phases: supplying at least a supporting frame (2), supplying at least a ceramic product (11) having at least a visible face (11a) and at least an installation face (11b), fitting of the ceramic product (11) to the frame (2) with the visible face (11a) turned outwards and the installation face (11b) turned towards the frame itself, the latter having retention elements (6) of the ceramic product and being shaped so as to make accessible at least a part of the installation face (11b), spreading an adhesive material (12) on an installation surface (P), positioning the frame (2) on the adhesive material (12) so that the adhesive material itself reaches the installation face (11b), the adhesive material (12) being suitable for reciprocally solidarizing the ceramic product (11) to the frame (2) and the latter to the installation surface (P).

Abstract: The method of production of granulated polymer-asphalt binder and sulphur concrete with the participation of sulfur polymer obtained through solvent-borne modification of waste sulfur at the temperature of 135-150° C. consists in composing this sulfur polymer with other ingredients. At the production of granulated polymer-asphalt binder the content of the sulfur polymer amounts to 40-60% by weight which, after heating to the temperature of 135-150° C., is mixed (mixer 2) with 20-40% by weight of waste phosphogypsum and after they are mixed, 15-20% by weight of D-50 road asphalt is dosed, which dissolves in this mixture reacting partly with the sulfur polymer. Next, this mixture is cooled to plastic form and granules of polymer-asphalt binder are formed in the extruder, which fall into 5% solution of silicone emulsion where they are cooled and covered with a layer of silicone emulsion. At the production of sulfur concrete at the temperature of 135-150° C.

Abstract: A gliding bed for a concrete slab comprises a first film and a second film wherein the first film can be brought into contact with a foundation of the concrete bottom slab and the second film can be brought into contact with a bottom side of the concrete slab by pouring concrete onto the second film and which films are tightly connected to each other at edges. In order to minimize friction between the concrete slab and the foundation, at least one gas- and liquid-permeable layer formed from a fleece and/or a textile fabric, a woven fabric or a knitted fabric is provided between the films.

Abstract: Method for laying down a pavement with a road paver, in which machine parameters are coordinated at least with paving requirements of the pavement by means of a controller and in which at least one machine parameter set is created and stored in advance for a paving requirement determined before the paving, the parameter set allowing a high level of machine efficiency and pavement quality to be expected and/or has already produced the same for an at least similar earlier paving requirement of an already laid down pavement, and the pavement on the basis of the parameter set created in advance. The road paver has a controller with an on-board computer connected to a sensor system and an actuating system, and includes memories and a retrieval and/or comparison section for triggering the actuating system for implementing the machine parameters of the parameter set created in advance.

Abstract: A process for hardening and rendering a roadbed water resistant by measuring and ensuring the clay content of the roadbed soil is a minimum of 12%, amending the soil to bring the clay content within this range. Treating the top six inches of the roadbed soil with an enzyme formulation and removing and setting aside the treated roadbed soil. Applying two mixtures of organo-silane solution to soil remaining in the roadbed in two separate steps, allowing the treated soil to cure between applications. Adding the enzyme treated soil back onto the roadbed, compacting and crowning the soil, then spraying the surface of the treated roadbed and its associated shoulders with the organo-silane mixture. Once again, the organo-silane mixture is applied in a two step process with two different dilutions of the organo-silane formulation to form a hardened and water resistant envelope of soil within the roadbed.

Abstract: A preferred embodiment of the invention provides a method of placing visible advertising on the upper surface of a road (1). This method includes determining the location of any traffic control signs that are applied to the surface of the road, such as the location of signs (22, 25). Following from this, two exclusion zones (31, 32) are defined. These zones extend from the respective signs (22, 25) and terminate at a predetermined minimum distance from the signs. Advertising is then applied to the surface such that it overlies neither the signs nor the exclusion zones. Particularly, the advertising has been placed in the areas bounded by rectangles (33, 34), which are respectively disposed within lanes (7, 8).

Abstract: An articulated handle adapter for concrete hand-type floats that removably connects to a long pole handle, ordinarily used with bull floats, to a hand-type float for removal of imperfections preparatory to the final finishing. The inventive adapter includes an offset and canted yoke and a canted ear which is received between the bracket arms of a pole handle sleeve. The inventive adapter eliminates the use of knee boards in the process of removal of imperfections. The inventive adapter permits the cement finisher working on slab or flatwork to float out imperfections such as deep jointer marks, bull float marks, small holes, humps and bumps and the like far into the work surface while standing off to one side outside the forms, thereby speeding the final finishing process.

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: The invention relates to a road making machine with a running gear and at least one material deflector which is arranged in front of the running gear in the driving direction and which can be pivoted up and lowered. The road making machine includes a control system by means of which an operator can choose at least between a laying operating mode and a transport operating mode. The control system is adapted to automatically completely pivot the material deflector up in the transport operating mode, and to let the operator adjust the pivot position of the material deflector manually in the laying operating mode.

Abstract: An improved surface seeded exposed particulate concrete and method of making the improved surface seeded exposed particulate concrete is disclosed. Small particulate is sprayed over the upper surface of the concrete. The particulate may be sprayed using a material sprayer. The particulate may be uniformly sprayed to distances exceeding twenty feet. The particulate is mixed into a cement paste derived from the concrete mixture using floats. A surface retarder is then applied to cover the concrete surface. Subsequently, any surface film is washed from the surface of the concrete and the concrete is cured. The result is a surface seeded particulate with an exposed surface that is flat and is suitable for high traffic areas. The resultant surface may resemble stone, granite or marble.

Abstract: A vibratory roller is provided with an exciter assembly that need not be lubricated by an oil bath because the exciter gears need not be lubricated. At least an outer ring portion of at least one gear of the exciter assembly is formed from a non-metallic material. In one embodiment, a first gear is a composite gear having an outer toothed ring portion formed from a machined nylon material imbedded with at least one of a heat stabilizer and a lubricant, and a second, mating gear is formed from metal and acts as heat sink for the first gear. In another embodiment, both the first and second gears are composite gears having an outer toothed ring formed from a robust and thermally stable molded polymer. The gears can survive when the roller is operated at least 8 hours at a duty cycle of at least 50% while operating the roller at an ambient temperature of over 38° C. (100° F.) and while the exciter shaft is driven at a velocity of over 2,000 RPM and the exciter housing is subjected to over 31.

Abstract: According to a method for laying a paving mat with a paving screed, the paving mat comprising a lane and a downwardly inclined slope beginning at a transition to the outside, the paving screed comprising a base screed and at least one extension screed which is extendable and retractable by a sliding motion in a sliding direction parallel to the base screed for varying the working width of the paving screed, the base screed and the extension screed having sole plates at the lower sides, with the sole plate of the extension screed being inclined laterally for forming the slope with the angle of the slope, a lateral position of the transition is first set relative to the base screed, during or after setting the lateral position a height difference is measured perpendicular to the planum between a fixed measuring location at the base screed and a location along a reference line extending parallel to the sole plate of the extension screed, the measured height difference being converted into a target value, and in

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 scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.

Abstract: Roadways are deiced or ice formation on roadways is prevented by applying salt compositions derived from waste water streams from water softening operations.

Abstract: Disclosed is an alkyd resin-based pre-manufactured thermoplastic airport runway signage that is applied in relatively large sections onto an airport runway. The pre-manufactured preformed thermoplastic formed as a continuous sheet and wound onto a take-up spool. The runway surface is prepared with a CCS an epoxy primer and the preformed thermoplastic is unwound from the take-up spool and positioned onto the runway surface. When the pre-manufactured thermoplastic signage is in a desired location it is initially rolled conforming to the runway surface. Heat is applied to the rolled surface to a preferred temperature with an infra-red (IR) heater to melt and adhere the pre-manufactured thermoplastic signage into the runway surface.