97results about "Single unit pavings" patented technology

To provide a method for producing asphalt for road paving in which, by electron beam irradiation to an asphalt composition in an open atmosphere, an asphalt for road paving having improved pavement durability and resistance to deformation can be produced.SOLUTION: Provided is a method for producing asphalt for road paving, which is a method for producing asphalt for road paving that comprises a step (SA) of irradiating electron beam to an asphalt composition in an open atmosphere, and, in the step (SA), an asphalt composition (X) before being irradiated with electron beam is irradiated with the electron beam having an energy of 1 keV or more and 200 MeV or less and an irradiation dose of 100 kGy or more and 1 MGy or less.SELECTED DRAWING: Figure 1

The invention relates to a water-based composition for coloring concrete comprising at least one dispersing agent, at least one preservative, at least one stabilizing agent and at least one pH regulator, wherein the composition further comprises at least one IR-reflecting pigment selected from the group consisting of titanium oxide and mixed-phase metal oxides of aluminum, antimony, chromium, cobalt, iron, indium, manganese, nickel, niobium, titanium, yttrium, zinc and / or tin.

The utility model relates to steel grating technical field discloses module type composite structure steel grating, including frame, the inner wall of frame is provided with positioning mechanism, positioning mechanism is used for improving the work efficiency when steel grating processing, the inside of positioning mechanism is provided with reinforcing mechanism, positioning mechanism includes a plurality of flat steel plates, the front and back side of a plurality of flat steel plates is fixedly connected in the inner wall front and back side of frame, the top wall left and right sides of frame are all set up a plurality of positioning slots, the top of frame is provided with a plurality of support beams, and the bottom left and right sides of a plurality of support beams are respectively with corresponding positioning slot clamping. In the utility model, the bottom of support beam is fixed after clamping with flat steel plate, makes the connecting of reinforcing rib complete the fixed operation of flat steel plate and support beam, improves the positioning effect when assembling, and simultaneously under the cooperation of splicing assembly and locking assembly, steel grating can complete module type assembly.

The utility model relates to the field of building materials, and discloses a quick installation I-shaped brick with an inserting structure, which comprises a brick body, a dovetail groove is arranged on the upper side of the brick body, a dovetail convex block embedded with the dovetail groove is fixedly connected on the lower side of the brick body, outer convex blocks I are fixedly connected at four corners of the brick body, and the outer convex blocks I are fixedly connected with outer convex blocks II. Connecting rods are fixedly connected to the left side and the right side of the brick body and arranged between the side walls of the two outer protruding blocks, and a circular groove attached to the outer wall of one side of each connecting rod is formed in the side, away from the corresponding connecting rod, of each first outer protruding block. According to the H-shaped brick, the brick body is matched with the outer convex block I, the circular groove is matched with the connecting rod, and the dovetail groove is embedded with the dovetail convex block, so that the connection stability of the H-shaped brick is improved while the rapid installation of the H-shaped brick is realized; therefore, the problems that a traditional I-shaped brick connecting mode is complex in construction process, low in efficiency and greatly affected by environmental factors are solved.

This invention discloses a construction method for a prefabricated composite surface for oil and gas drilling sites, relating to the field of drilling site floor structure technology. The invention employs clay petrification technology to solidify the original soil into a surface base layer to meet engineering requirements. This clay petrification technology consists of two organic chemical substances: a powder and a liquid. The powder has strong water-reducing capabilities and is suitable for soils with high moisture content; the liquid improves the clay's resistance to hydration and, after dilution with water, is mixed with the clay, making it suitable for more humid areas. By using clay petrification technology to solidify the original soil into a surface base layer, the density can be further increased with continued use, making the clay increasingly petrified and harder. This prevents rainwater seepage into the base layer, avoiding soil softening and uneven settlement, preventing breakage of the surface panels, and improving the reusability of the surface panels.

The present invention provides a precast concrete slab that is useful as a surface material for test courses on uneven surfaces, minimizing the difference between performance tests on actual uneven road surfaces and performance tests on test courses with uneven surfaces that replicate those surfaces. [Solution] The precast concrete slab of the present invention is used as a surface material for a test course for uneven road surfaces, and its surface has an uneven surface, including fine irregularities.

The utility model discloses a kind of water-permeable concrete slab structures with prefabricated hole, including base layer and the concrete slab being located at the top of base layer, the top surface of the concrete slab is provided with several vertical water-permeable holes, several horizontal drainage channels are provided on the base layer, the drainage channel is located at the bottom of the concrete slab, and the lower end of the water-permeable hole is communicated with the drainage channel. The utility model has the advantages of stable structure, direct water-permeable path and not easy to block, easy to maintain, excellent bearing capacity and durable water-permeable performance.

The utility model discloses an antique Beijing brick with ventilative and moisture-proof function, including brick body, still including support body, the support body is installed on the ground after hardening, and the bottom of support body is more than 2cm from the ground, the brick body is stacked in the top of support body, dry granule, the dry granule is filled in the inside of support body, when removing the brick body upward, the dry granule is exposed, the buffer layer is glued and fixed in the bottom of brick body, and the lower end of buffer layer is fixed with support body alignment, and the product can avoid the ground moisture return, and is easy to maintain.

This utility model discloses a permeable arched brick surface layer, comprising a compacted soil base layer, an impermeable membrane on the upper surface of the compacted soil base layer, a first crushed stone layer on the upper surface of the impermeable membrane, a second crushed stone layer on the upper surface of the first crushed stone layer, a third crushed stone layer on the upper surface of the second crushed stone layer, and an arched brick structure on the upper surface of the third crushed stone layer. The arched brick structure is made of concrete, reducing costs while possessing high strength. Protrusions and grooves are provided on the sidewalls of the arched bricks, arranged in a staggered pattern, specifically horizontally spaced to form permeable brick joints that accelerate rainwater runoff. This design is suitable for permeable paving in sponge city construction, reducing project costs. The brick structure accelerates rainwater infiltration, and the inclusion of the crushed stone layer and impermeable membrane enhances the rainwater storage capacity of the sponge city. After installation, the surface is highly flat, aesthetically pleasing, and durable.

The utility model relates to the field of ground brick, specifically disclose an antique building ground brick, including surface layer and support layer, surface layer is located the uppermost layer, support layer is located surface layer downside, surface layer is fixed on support layer upper end face, support layer includes two brick bodies, two brick bodies are distributed left and right and abut each other, two brick bodies are centrally symmetric and set up, left brick body lower end face is provided with the connecting groove that recesses upwards, when antique building ground brick lays, the adjacent ground brick is overlapped each other through the connecting groove, the fitting groove is embedded in the fitting groove of adjacent ground brick, thereby reduces the rainwater infiltration in the foundation, in this way reduces the erosion of rainwater to the foundation, ensures the foundation strength, when lays to the ground edge, can cut open the surface layer, and after separating two brick bodies, support block and support rod are taken out from the brick body, because the side that is far away from the connecting groove in the brick body is the plane, make when the ground brick that cut open the surface layer and separate the brick body lays in the ground edge, ensure the flatness of the ground edge.

The invention relates to a system (1) comprising a first slab (2), a second slab (3) and a connector (4) for the movable, releasable connection of the slabs, wherein a first receptacle (15) of the first slab has a rigid connecting element (19) which has a cross section differing from a circular shape, wherein a first end portion (5) of the connector has a cross section corresponding thereto in order to be able to bring the first end portion into engagement with the connecting element in an engagement position (22), wherein the connector in engagement with the connecting element is pivotable such that the first end portion is connected to the connecting element in a form-fitting manner, wherein a second receptacle (17) of the second slab has a guide (23) with at least one guide profile (24), wherein a second end portion (6) of the connector has a movable closure mechanism (25) with a lock (26) in order to be able to transfer the second end portion and the second receptacle into a locked state (27), wherein the connector is pivotable about a longitudinal axis (28) of the lock and displaceable along the guide.

This invention discloses a modular integrated photovoltaic road component, belonging to the field of road engineering. The invention includes a photovoltaic power generation unit, a roadbed, a load-bearing heat dissipation module panel, and an electrically controlled dimming film. The load-bearing heat dissipation module panel includes a load-bearing panel, a honeycomb sandwich structure, and a sealed heat dissipation plate. The top and bottom of the honeycomb sandwich structure are respectively connected to the load-bearing panel and the sealed heat dissipation plate. The photovoltaic power generation unit is fixedly installed inside the honeycomb sandwich structure. The bottom surface of the load-bearing heat dissipation module panel is fixedly installed to the top surface of the roadbed. An electrically controlled dimming film is provided inside the load-bearing panel. A lighting component is provided between the photovoltaic power generation unit and the load-bearing panel. The sides of every two adjacent load-bearing heat dissipation module panels are modularly spliced. This invention, through the modular design of the load-bearing heat dissipation module panel, ensures product consistency and high reliability, greatly improves construction efficiency, and simplifies replacement and maintenance.

The utility model discloses a PC stone-like water permeable brick, and relates to the technical field of water permeable bricks. The water permeable hole is formed in the brick body, and a filter frame assembly is mounted on the water permeable hole; the water guide groove is annularly formed in the surface of the brick body and communicated with the water permeable holes, and the depth of the water guide groove is gradually increased from the periphery to the middle; the first buckle assembly and the second buckle assembly are arranged on the left face, the right face, the front face and the back face of the brick body respectively and used for left-right splicing and front-back splicing of the adjacent brick bodies respectively. Through the arrangement of the water permeable holes and the water guide grooves which are matched with the peripheries of the water permeable holes and are gradually deepened from the periphery to the middle, water can be drained into underground water in a concentrated mode, and the filtering frame assemblies installed on the water permeable holes can effectively intercept large pollutants such as suspended particles and leaves in rainwater in the rainwater concentrated drainage process. Meanwhile, the filter frame assembly is simple in structure, convenient to mount with the brick body and convenient to clean.

The application relates to a temporary passage structure crossing post-cast belts and belongs to the field of building construction auxiliary devices, which comprises a three-section steel plate, a plurality of I-beams, a supporting piece and a bottom steel plate, the bottom steel plate is horizontally arranged on two concrete bottom plates, the supporting piece is arranged in the gap between the concrete bottom plates, the supporting piece is used for supporting the bottom steel plate, the plurality of I-beams are fixed on the bottom steel plate, the two ends of the I-beam are respectively located on the two concrete bottom plates, and the three-section steel plate is arranged on the top surface of the I-beam. The application has the effect of improving the structural strength of the temporary passage.

This utility model relates to the field of road infrastructure, specifically disclosing a municipal tactile paving with raised sections that are not easily detached. It includes a tactile paving brick body with several mounting holes running through it, and several metal protrusions. The metal protrusions are installed in the mounting holes of the tactile paving brick body. A connecting shaft is fixedly installed on the side of the metal protrusion closest to the mounting hole. A insertion hole is provided on the end of the connecting shaft away from the metal protrusion, arranged radially along the connecting shaft. A pin is detachably installed at the insertion hole to abut against the tactile paving brick body. In this design, the metal protrusions are not easily worn or damaged, are not easily affected by severe weather or environmental conditions, and are not afraid of being run over by small non-motorized vehicles. The metal protrusions are not easily damaged or detached. When an impact force is applied to the metal protrusion, the pin and connecting shaft can limit the metal protrusion, making it difficult for the metal protrusion to detach from the tactile paving brick body.

Embodiments of the present disclosure relate to compositions (e.g., pyrolysis char aggregates (PCA)), PCA concrete specimens, and methods of making PCA. A composition includes PC, cementitious material, superplasticizer, water, silica fume, and one or more additives. A method of forming the composition includes mixing a superplasticizer with water to form a wet mixture, mixing one or more additives, silica fume, and PC to form a dry mixture, mixing the wet mixture and the dry mixture to form a PC mixture, curing the PC mixture to form a PC block (PCB), and crushing the PCB to form a PCA. The method of forming a concrete includes mixing an air entraining agent, a water reducer, and water to form a solution, mixing a fine PCA, a course PCA, a cementitious material, water, and the solution to form a PCA concrete, and curing the PCA concrete.

The application discloses a processing and construction method of airport runway stone recycled decorative plate, which comprises runway stone raw material debarking and cutting, runway stone standard plate front surface glue coating, hole filling glue used for glue coating contains heat-sensitive microcapsule hole filling agent, on-site paving construction of the runway stone recycled decorative plate is carried out by using cement mortar, expansion joint is opened and filled, and the decorative plate is mechanically polished and polished, etc. In the application, the heat-sensitive microcapsule hole filling agent is added into the hole filling glue, the microcapsule releases the hole filling agent in the mechanical polishing process after the recycled decorative plate is installed, the gap is filled again, the water absorption of the runway stone recycled decorative plate is reduced under the premise of not increasing the processing and construction procedures, and meanwhile, the polishing gloss is ensured.

The utility model discloses a water -permeable ecological ground paving stone, including the ground paving stone module of modularization design, its inside is equipped with recess body, recess body installs the baffle with through -hole, fills planting soil and plants grass on the baffle top, and the lower part is paved gauze cushion layer, ground paving stone module both sides are equipped with the drainage groove, and the drainage channel is formed after splicing, and the side wall water hole is connected recess body and drainage groove, realizes the three -dimensional drainage of rainwater vertical infiltration and horizontal drainage combination, and the structure stability is strengthened through the insertion and fixed of L shape connecting groove and the U shape connecting piece of elastic tension spring reinforcement between modules, recess body top covers the baffle with strip hole, and the grass is protected and is allowed to grow. The utility model has the advantages of efficient water -permeable, ecological grass planting, impact drainage and modularization quick construction, is applicable to the scene such as park lawn, square, effectively alleviates the urban waterlogging and promotes the landscape ecological benefit.

The invention relates to a concrete element (20) or a paving stone (30), a manufacturing method and a manufacturing device relating thereto. It is proposed that at least the amount of CO2 generated during the production of the concrete element (20) is bound in the concrete element (20), the concrete element (20) being designed to incorporate the CO2 during a hardening process. In addition, the invention relates to a method (10) for producing a concrete element, wherein at least an amount of CO2 that arises during the production of the concrete element (20) or paving stone (30) is incorporated during a hardening process, in particular a carbonation hardening. Furthermore, a manufacturing device for carrying out the process (10) is proposed, wherein a device for directly supplying the CO2 from a vent of a material production plant into a chamber (16) for hardening the at least one concrete element (20) or paving stone (30) is provided.

This application relates to a municipal sidewalk, belonging to the field of municipal road engineering technology. It includes a foundation, multiple rows of paving units arranged longitudinally side-by-side on the foundation, and a first filling layer disposed between adjacent paving units. Each paving unit includes multiple paving blocks arranged laterally at intervals, paving bricks disposed on the top surface of each paving block, and a second filling layer disposed between adjacent paving blocks. A first support pipe is transversely inserted through each paving unit. Each paving block has a first through-hole transversely penetrating the block for accommodating the first support pipe. This application has the effect of reducing the probability of sidewalk cracking.

This application relates to an environmentally friendly fiber-plastic flooring and its preparation process, and is in the technical field of resource utilization of waste textiles. This application uses waste textiles as the main raw material to produce fiber-plastic flooring, accounting for 40-60%. It can directly utilize blended and miscellaneous waste textiles without the need for fine sorting, and can achieve an annual disposal of tens of thousands of tons of waste textiles with a resource utilization rate of over 95%. It effectively solves the pollution problems caused by landfilling and incineration of waste textiles, and is in line with the national circular economy and "dual carbon" strategy. Moreover, the flooring is waterproof, mildew-proof, and highly weather-resistant: the product's water absorption expansion rate is ≤0.3%, making it completely waterproof and moisture-proof, and not easy to mold or deform. It is especially suitable for balconies, outdoor courtyards, scenic spots, garden homestays, public green spaces, waterfront mountainous areas, and other humid and sun-exposed environments.

The invention is related to a modular flooring (1) configured for the assembly of modular flooring systems comprising a modular flooring component (2), which preferably comprises at least one cavity (6) arranged on the lower portion thereof, and a flexible base component (3) having preferably at least one vertical fastening protuberance (4) arranged on the upper face thereof, wherein each vertical fastening protuberance (4) connects in a detachable way with a cavity (6). Additionally, each cavity (6) comprises a vertical pin and second male and female connection elements, which are configured to connect with, respectively, a vertical hole and first male and female connection elements incorporated in each vertical fastening protuberance (4). The modular floorings present a firmer and detachable connection among the components thereof, making the interconnection activity between adj acent modular floorings more efficient and practical.

A connection device for fastening two expanded cellular confinement structures includes: an insertion member; an integral shank extending perpendicular from the insertion member; and an integral handle member extending perpendicular from the shank at an end of the shank remote from the insertion member. One or more barbs may project from the insertion member. The device can have a washer section between the handle member and insertion member. The handle can be curved, or it can be in the shape of a polygon.

Improved containment mats and systems of containment mats may include multiple adjoining mats with a top surface and a bottom surface. The multiple mats may provide a modular structural mat system that may be installed at a drill site, with multiple mats placed adjacent to each other with a lap joint connecting adjacent mats. A geotextile may be used to cover the lap joints and a coating applied to the geotextile. Such a system may provide containment of potential spills, a reliable working surface for drilling operations, and relatively fast and less expensive installation.