Abstract: The present disclosure describes architectural blocks configured to give the appearance of real cut stone. A fresh plaster composition may be applied to one or more surfaces of a block, such as a concrete masonry unit (CMU) to form an architectural block having the appearance of cut stone. The fresh plaster composition includes a cementitious component, such as white Portland cement, water, a limestone aggregate component, and optionally an adhesive component. The limestone aggregate component includes a fine sand portion and a coarse sand portion that effectively enable the appearance of cut stone after finishing of the hardened or curted plaster surface via sanding and/or polishing.

Abstract: The present disclosure is directed to an apparatus embeddable in a surface. Such surfaces may be formed from any material known in the art of construction, such as, but not limited to, concrete, asphalt, composite rubber, or mud. The apparatus may include a graphical element for display. The apparatus may include frames supporting the graphical element. The frames may include trusses disposed between and upper and a lower surface of the frames. The frame may further include one or more tabs at the upper surface to provide clearance between the upper surface and the graphic element.

Abstract: A two component liquid pothole filler system comprises an anionic aqueous asphalt and chloroprene emulsion liquid component, which is mixed in situ with a solid component comprising crumb rubber, and in a preferable variation, a powdered mineral material, which is preferably calcined clay powder. The solid component also preferably includes a catalytic quantity of an activator, preferably a hydrous calcium sulfate activator, or alternatively, the activator may be added to the mix at the time of in situ mixing. The mixture is poured into the pothole and in its most preferred embodiments, typically hardens in about 10 minutes. It can be driven on immediately on hardening. The liquid component is stable, and the in situ mixture is stable in use and remains stable through hardening.

Abstract: A modular roadway structure that includes a body portion including a bottom surface and a top surface. The bottom surface is configured to be positioned on a surface, and the top surface is formed with a predetermined textured pattern for defining a predetermined coefficient of friction across the top surface.

Abstract: A content searching chip and system based on a peripheral component interconnect (PCI) bus. The content searching chip includes a peripheral component interconnect interface module, a protocol conversion module, and a content storage module. The content storage module is connected to the protocol conversion module using an instruction bus and a data bus.

Abstract: A sealcoat system for providing a sealcoat that is free of silica. The sealcoat system generally includes providing a sealer, crushed glass, water and an additive, mixing the sealer together with the crushed glass, water and additive to form a sealcoat composition, and applying the sealcoat composition to a road. The crushed glass is preferably comprised of soda-lime glass and is further preferably comprised of container glass used in the production of bottles and jars.

Abstract: A non-slick surface-seeded exposed aggregate concrete product and method of making the same enhances the coefficient of friction of an exposed surface thereof to reduce undesirable slipping and sliding. Implementations of the present invention are characterized by the use of fine sand and aggregate broadcast over the exposed surface, which surface has been prepared to receive the same. After curing, the exposed surface is then ground and acid-etched to define fissures, cracks, and/or sharp edges of the aggregate. Subsequently finishing steps are performed to produce the non-slick concrete product which may be used for high traffic pedestrian areas where foot gripping and traction are important, such as on stairs, ramps, walkways, courtyards, and the like.

Abstract: A modular safety unit having a skid resistant surface for use in a location where it is desirable to add a skid resistant surface for traction comprising a base made of resin, the base having a top side and a bottom side; an aggregate made from calcined bauxite, and wherein the aggregate is attached to the top side of the base; and an adhesive having a top side and a bottom side wherein the top side is attached to the bottom side of the base and wherein the adhesive bottom side may be selectively attached to a location where it is desirable to add traction.

Abstract: The present invention relates to a laminate, preferably a flooring laminate suitable for use wherever traction is needed or desired, whether due to natural or man-made conditions either indoors or outdoors. The laminate can be applied over existing flooring. The laminate includes a base layer and a traction layer including a grit material dispersed on a polymer. The base layer comprises a cured rubber blend which has been granulated to a predetermined size and subsequently rebonded with a polymeric base adhesive composition. At least some portion of the grit material of the traction layer protrudes from the polymeric composition to provide anti-slip properties.

Abstract: A novel artificial stone which contains an inorganic aggregate and a resin and has an uneven surface wherein the inorganic aggregate is exposed, wherein the average depth of concave grooves of the surface is in the range of 0.02 mm to 1.0 mm and the volume percentage of the inorganic aggregate is 25% to 75%. The artificial stone has an elaborate structure, exhibits transparent and deep sense, has excellent massive feeling and color like a marble, has a high surface hardness, exhibits good formability, and exhibits excellent non-slop performance even when it is contacted by bare feet or by hard soles of shoes.

Abstract: A pavement marking article that has an adhesive composition for adhering the article to a pavement substrate, where the adhesive composition includes a reaction product of an acrylic acid ester of a monohydric alcohol whose homopolymer has a Tg less than 0° C., a non-polar ethylenically unsaturated monomer, and 0-10 parts by weight of a polar ethylenically unsaturated monomer. Preferably the amount of the acrylic acid ester is about 60-90 parts by weight, and the amount of the non-polar ethylenically unsaturated monomer is about 10-40 parts by weight. Also, a raised pavement marker that comprises: (a) a pavement marker body having upper and lower surfaces and an apparent flexural modulus of at least about 50,000 psi and (b) a pressure sensitive adhesive layer disposed upon the lower surface of the marker, wherein the adhesive has: (i) a transition region that begins at a frequency of about 10,000 radians/s or more and extends to a frequency of about 100 radians/s or less at about 25° C.

Abstract: An anti-slipping agent for a frozen road surface is provided by crushing a stone having flat-crushability such as black slate into flat-crushed pieces of a required grain size. Furthermore, a method for spreading an anti-slipping agent for a frozen road surface is provided in which the anti-slipping agent for a frozen road surface is heated and then spread onto the frozen road surface. Further an apparatus is provided for spreading an anti-slipping agent for a frozen road surface onto a frozen road surface, which has a hopper, a heater and a spreader.

Abstract: A surface seeded exposed particulate concrete method of use includes use of small particulates, the particulates not necessarily chemically inert in the concrete mixture. The particulates are broadcast over the upper surface of the concrete, and mixed into the cement paste derived from the concrete matrix by floats and finished by hand sponging. A surface retarder and vapor barrier are applied, and washing and curing operations follow. The present invention adds a chemical treatment of hydrolyzed alkali silica solution, preferably lithium quartz, penetrating the upper surface of the concrete mixture with minerals and silicates within the concrete mix. The resultant exposed particulate concrete has extreme flatness and high wear resistance suitable for high-traffic flooring applications, aesthetics resembling terrazzo or ceramic tile at a fraction of the price, and the strength and resistance to corrosion expected of concrete surfaces.

Abstract: The reinforcing method of the invention comprises the steps of removing asphalt from a concrete slab 2 of a road bridge, placing a reinforcing fiber sheet 20 onto the upper surface of the slab, preparing a fiber-reinforced composite material by impregnation with a resin 13 and causing the resin to set, coating an adhesive 22 onto a reinforcing material 21 comprising the foregoing composite material, sprinkling sand 23 thereover to form irregularities of sand 23 on the upper surface of the reinforcing material 21, hardening the adhesive 22, then coating a solvent-based asphalt primer 24 onto the sand 23, and placing asphalt 7 again, thereby completing the reinforcing operation.

Abstract: Pavement marking material comprising a top layer, an optional base sheet, and a layer of adhesive, wherein the adhesive comprises a rubber and a high loading of tackifier. Such adhesives have been found to exhibit exceptional impact shear resistance.

Abstract: A pavement marking and a method of making a pavement marking, where retroreflectivity and skid-resistance can be independently controlled while making efficient use of the optical elements and skid-resistant particles. One illustrative embodiment includes two topcoats on a base sheet having first and second major surfaces, the first major surface having a plurality of protuberances located thereon which are separated by valleys. A first topcoat is attached to the first major surface of the base sheet and a second topcoat is selectively located on the protuberances. A first mixture of optical elements and/or skid-resistant particles is attached to, e.g., partially embedded in, the first topcoat and a second mixture of optical elements and/or skid-resistant particles is attached to, e.g., partially embedded in, the second topcoat.

Abstract: A pavement marking 10 includes a base sheet 12, a barrier layer 30, a layer 32 of bonding material, a multitude of optical elements 34, and skid-resistant particles 36. The base sheet 12 contains rubber and fillers and has a number of protuberances 14 projecting from its front side 28. Valleys 16 are disposed between the protuberances 14. The barrier layer 30 is disposed on the front side 28 at least in valleys 16 and preferably over protuberances 14. The layer 32 of bonding material is disposed predominantly on protuberances 14 and in this position secures the optical elements 34 and skid-resistant particles 36 to the protuberances 14 but not to the valleys 16. The coverage of the front side 28 of base sheet 12 with barrier layer 30 and bonding material 32 prevents the fillers in the base sheet 12 from becoming present on the top surface of the pavement marking 10 and thereby preserves the intended color of the marking 10.

Abstract: Thermoplastic based pavement marking sheets are disclosed. The marking sheets employ a conformant composite material including: polyolefin and a nonreinforcing mineral particulate; and/or a thermoplastic upper surface. Preferably, the sheet's thermoplastic upper surface is embedded with reflective elements and/or skid-resistant particles. A solventless process of embedding particles in thermoplastic pavement marking sheets is disclosed. Processes for preparing marking sheets are also disclosed. Conformant pavement marking sheets which may be applied in cooler conditions are also disclosed.

Abstract: In order to provide a good traction surface for vehicles and a good non-slip surface for pedestrians, a temporary vehicle-bearing surface is formed by laying directly on a grassed soil surface a heavy duty plastics geonet with a gritted upper face, and securing the geonet to the soil beneath with hooked pegs. Grass can than grow through meshes in the geonet and can be mown and fertilised.

Abstract: Pavement marking material comprising a top layer, an optional base sheet, and a layer of adhesive, wherein the adhesive comprises a rubber and a high loading of tackifier. Such adhesives have been found to exhibit exceptional impact shear resistance.

Abstract: The invention pertains to a device which, when inserted and affixed to an open grid deck spaces of an open grid bridge, provides increased traction for trespassing motor vehicles. The invention also pertains to methods of affixing the traction providing devices in various spacial arrangements.

Abstract: A method for providing a traffic surface such as a path, roadway, passageway, deck, or airfield runway or taxiway with both anti-slip and retro-reflective characteristics. A first coating of paint is applied to the surface, solid particles are distributed onto the first coating such that the particles sink partially into the first coating, and a second coating of paint is applied over the particles and the first coating to lock the particles into the first coating with the particles projecting from the second coating. Before the second coating is set, retro-reflective beads are distributed over the second coating to sink partially into the second coating between the projecting particles. The beads are bonded into the second coating and project from the second coating. The beads are smaller than the particles and the particles project from the second coating by more than the beads to overshadow the beads.

Abstract: An article having a slip-resistant surface and method of producing the same includes metallurgically bonding raised bead-like configurations of a compatible material at select locations on the article surface. The method includes injecting, substantially simultaneously with projecting a high power radiant energy beam, powder particles into a portion of the beam lying a distance away from the point of impingement on the surface portion of the article. The particles interact with the beam for a time period sufficient to cause at least partial melting of a substantial number of particles which are then transported to a selected point on the surface portion. The partially melted particles, along with completely and/or any substantially unmelted particles, are allowed to bond with the surface material thereby forming a raised configuration thereon. The process is repeated for forming another raised configuration at another selected location on the surface portion for thereby forming a slip-resistant article.

Abstract: A deformable slip-free, anti-skid pad comprising: a bottom surface having a plurality of spikes slightly extending vertically from recessed areas of the bottom surface; and a top surface comprising a resilient material having imbedded therein particles of abrasive materials.

Abstract: Thermoplastic based pavement marking sheets are disclosed. The marking sheets employ a conformant composite material including: polyolefin and a nonreinforcing mineral particulate; and/or a thermoplastic upper surface. Preferably, the sheet's thermoplastic upper surface is embedded with reflective elements and/or skid-resistant particles. A solventless process of embedding particles in thermoplastic pavement marking sheets is disclosed. Processes for preparing marking sheets are also disclosed. Conformant pavement marking sheets which may be applied in cooler conditions are also disclosed.

Abstract: A self-guidance bicycle track is formed of a plurality of longitudinally aligned, end-to-end coupled, upwardly open U-shaped molded plastic track sections, each track section has a generally flat, central traction portion and integral, upwardly oppositely facing concave side walls. The central traction portion is recessed below the upwardly concave, laterally opposed sidewalls. The sidewalls terminate in reversely curved, outwardly directed lips. Longitudinally spaced, transverse narrow slots within the molded track central traction portion permit rain water accumulating on the track to drain and surface grit to pass therethrough. Recessing of the traction surface below the lower ends of the concave sidewalls form lateral abutments which prevent a bicycle rear wheel from wandering off the traction surface without inhibiting side-to-side motion of the bicycle front wheel.

Abstract: Preparation of a fine-grained mixture having hydrophobic properties and a grain size substantially less than 0.2 mm and preferable less than 0.1 mm for asphalt-treatment and de-icing, having a hydrophobic component with a hydrophilic component of at least 50% by weight of the mixture and having 55-99.5% by weight of a residual salt which results from the production of glycerol and 45-0.05% by weight of an additive consisting of salts, oxides, hydoxides, and combinations thereof, in the moist condition and at least partially ground with the residual salt, and containing alkali-earth metal or other non-alkali metals as cations.

Abstract: An abrasion resistant coating comprising a binder having dispersed therein first abrasion-resistant particles of substantially uniform size and second abrasion-resistant particles of substantially uniform size, the second particles having diameters of less than 15.4% of the first particles, the combined volume of the second particles and binder being at least about equal to the void volume of the first particles, the volume of the binder being at least equal to the combined void volumes of the first and second particles when they are interdispersed with one another.

Abstract: Residue from dressing bauxite is mixed with NaCl and ground; polyurethane foam is ground and mixed with CaCl.sub.2 ; a silicon organic compound and quartz powder is added to one or both of the ground mixtures; the grains are embedded in bituminous material or asphalt to be used for making a surface road, being protected against frost by these salts. Specific examples and method steps are described.

Abstract: The use of flake glass in road pavement and repair is disclosed. In particular, we disclose improvements in the formulations of asphalt aggregate wear surfaces, substrate layers and interface layers between the substrate and wear surfaces. In one embodiment we also employ an unsaturated monomer or an unsaturated elastomer.

Abstract: A new pavement-marking sheet material comprises a conformable base sheet, a flexible top layer adhered to the base sheet, and glass microspheres or other particulate material partially embedded and strongly supported and adhered in the top layer.

Abstract: The use of flake glass in road pavement and repair is disclosed. In particular, we disclose improvements in the formulations of asphalt aggregate wear surfaces, substrate layers and interface layers between the substrate and wear surfaces. In one embodiment we also employ an unsaturated monomer or an unsaturated elastomer.

Abstract: An improved multi-layer surface marking tape material for use on roadway pavements so as to provide a traffic regulating indicium thereon, and having an anti-skid and wear-resisting upper layer and a lower primer layer for connecting the material to said pavement, the new multi-layer tape material comprising further an intermediate relatively thin, pliable, essentially inextensible and tensionally resistant intermediate layer compatible with and intimately connected to both said layers for distributing and transferring over a large primer layer-roadway pavement interfacial area horizontally directed stresses tangentially applied to said anti-skid upper layer at localized upper layer-vehicle wheel treads interfacial areas.

Abstract: A road surface comprising a blend of at least two aggregate materials disposed in a binder matrix and having different rates of wear as judged by the aggregate test B.S.812 1967, each aggregate material comprising individual aggregate particles of a size such that they will be retained on a British Standard 1/4 inch sieve, or its metric equivalent, and will pass through a British Standard 3/4 inch sieve, or its metric equivalent, and having a surface micro-texture in the range defined by asperity heights of a minimum texture depth of 5 microns and a maximum texture of 500 microns, the individual aggregate particles being disposed in the binder matrix so that the shortest distance between any two adjacent particles is 1 to 6 mm and the texture depth of the aggregate particles in the binder matrix is between 1 and 5 mm, of which the following is a specification.

Abstract: An additive for admixture with road surface preparation materials to prevent formation of ice and to melt snow on the finished road surface. The additive is distributed throughout the road surface and comprises coated particles of a halide, e.g. calcium chloride, coated particles of an alkali metal hydroxide, e.g. sodium hydroxide and a trace of coated or uncoated particles of calcium hydride, the coatings being of a water-tight inert substance such as linseed oil. These coatings are worn away at the road surface by traffic to expose the particles.

Abstract: A composition for admixture with road surface preparation materials to prevent formation of ice and to melt snow on the finished road surface. The composition is distributed throughout the road surface and comprises particulate thawing substances at least some of which have a watertight coating resistant to the thawing substance and to the temperature at which the composition materials are prepared for application as a road surface. The coating may, however, be worn away by mechanical action, e.g. traffic movement, to expose the thawing substance.

Abstract: There are described elements designed to be partially embedded and secured in a marking layer on a roadway pavement. Each element consists of an aggregate including a multiplicity of tiny hard and sharp particles, such as crystalline chips, and/or light reflective particles, such as retrocollimating glass beads, in a high cohesion resinous binder network, such as of an epoxy or a polyurethane resin. The elements are exceptionally resistant to shocks and to shearing stresses and are capable of being progressively worn off by traffic, concurrently with the wearing off of the marking layer, while their ability to improve anti-skid proper and the nighttime visibility of the marked areas is unaffected by such wearing off.

Abstract: A traffic intersection and flow control system which includes a hexagonally shaped, multilane roadway having radiating, multilane roadways extending outwardly from each corner of the hexagonal roadway. Traffic dividing island means are provided in the hexagonal roadway between each corner of the hexagon and are also provided in the several radiating multilane roadways. The islands and traffic lanes are arranged so that all traffic in the innermost lane (relative to the space enclosed by the hexagon) moves at all times in the same direction which is opposite the direction of movement at all times of traffic in the outermost lane. The islands and lanes are also positioned so that traffic moving in any lane will at no time cross in front of traffic moving in any other lane. Traffic control signals are provided adjacent each corner of the hexagonal multilane roadway for controlling the flow of traffic in three directions through the intersection of the hexagonal roadway with the several radiating roadways.

Abstract: An improved multi-layer surface marking tape material for use on roadway pavements so as to provide a traffic regulating indicium thereon, and having an anti-skid and wear-resisting upper layer and a lower primer layer for connecting the material to said pavement, the new multi-layer tape material comprising further an intermediate relatively thin, pliable, essentially inextensible and tensionally resistant intermediate layer compatible with and intimately connected to both said layers for distributing and transferring over a large primer layer-roadway pavement interfacial area horizontally directed stresses tangentially applied to said anti-skid upper layer at localized upper layer-vehicle wheel treads interfacial areas. .Iadd.