1068results about "Temporary pavings" patented technology

A roadway section enables dynamic wireless power transfer to a vehicle. The roadway section comprises pavement material and a wireless power charger. The pavement material defines a pavement section volume having a top surface on which the vehicle traverses. The wireless power charger includes a conductive element located at least partially within the pavement section volume and configured to emit a magnetic field toward the top surface of the pavement section volume to wirelessly transfer electric power to the vehicle. The conductive element includes an upper surface that is located at least five centimeters (5 cm) below the top surface of the pavement section volume.

The present invention relates to a ladder-like grating (10) comprising a plurality of longitudinally extending support sections (12) and a plurality of transversely extending sections (14). The transversely extending sections extend between the longitudinally extending support sections, wherein each transversely extending section comprises one flat subsection (18) and two connecting subsections (20), one at each end of the flat subsection. Each connecting subsection is a twisted rectangular strip extending transversely from one of the longitudinally extending support sections to the flat subsection of the transversely extending section. The present invention also relates to a method for producing a ladder-like grating.

The invention discloses an anti-skid and long-service-life assembled bio-based modified pavement and a preparation process of the anti-skid and long-service-life assembled bio-based modified pavement. According to the assembly type bio-based modified pavement with the lasting function, main diseases existing in a current pavement are effectively solved from the aspects of water sealing, cracking prevention, high skid resistance and the like, the pavement has the advantages that a carpet type pavement is conventionally rollable and convenient and rapid to construct, and due to the high-performance characteristics of a cementing material and a binding material, the pavement is extremely thin and is only 3-7 mm in thickness, so that the pavement has the lasting function. And the composite material has the characteristics of high toughness (the elongation at break can reach 20-50%), high elasticity and high binding power, can be bent and folded, can inhibit multi-scale cracks of the existing pavement structure, and can still ensure the overall effect of the composite material even if a wide crack of 2cm is reached.

The utility model discloses a steel road panel connecting structure which comprises a connecting assembly used for connecting adjacent steel road panels together and a locking pin matched with the connecting assembly, the connecting assembly comprises two semicircular connecting blocks which are buckled with each other, a rectangular notch for the locking pin to penetrate through is formed in the chord length side of each semicircular connecting block, and the locking pin is arranged in the rectangular notch. The locking pin comprises a pin body and two spring pieces arranged on the two sides of the pin body respectively, and each side of the steel way panel is provided with a semicircular groove allowing the semicircular connecting block to be installed and a rectangular groove allowing the pin body to be arranged in a penetrating mode. The detachable steel road panel is reasonable in structural design, adjacent steel road panels are connected after the two semicircular connecting blocks are buckled, and the two semicircular connecting blocks are locked and positioned by matching the locking pins with the rectangular grooves, so that the steel road panels are connected in a detachable mode, and when a certain steel road panel is damaged and needs to be replaced, the steel road panels can be replaced conveniently. And only a tool is needed for disassembly, so that destructive disassembly and assembly work is avoided.

The utility model relates to the technical field of road construction, in particular to a temporary traffic road for road construction. The multiple supporting rods are connected with the passing panel, the multiple supporting rods are all located on the same side of the passing panel, and a receding cavity is formed between every two adjacent supporting rods; the supporting bottom plate is located on the side, away from the passing panel, of the supporting rod, and the supporting bottom plate is connected with the supporting rod; a temporary supporting surface can be provided for vehicle passing through the passing panel, and the passing panel can be separated from the ground through the supporting rods, so that the passing panel is kept horizontal with the original road surface, and the structural strength of the passing panel is improved; the supporting bottom plate can be matched with the passing panel and the multiple supporting rods to form a stable hollow structure, noise generated when a vehicle passes through is reduced, and the receding cavity can be formed so that a forklift arm of a forklift can stretch into the receding cavity to achieve the effect of carrying and transferring.

Disclosed are interlocking elongate composite bamboo industrial mats having an upper layer with two or more elongate laminated composite bamboo panels, an intermediate layer with a plurality of elongate laminated composite bamboo panels arranged in parallel and perpendicular to the laminated composite bamboo panels in the upper layer, and a bottom layer with a plurality of elongate laminated composite bamboo panels arranged in parallel to the upper layer. The three layers are secured together with fasteners consisting of a bolt, an outward-facing concave washer engaged with the bolt head, and a sleeve nut having an outward-facing washer engaged with the sleeve nut head. The interlocking elongate composite bamboo industrial mats are configured to interlock end-to-end or alternatively, side-to-side. Each of the elongate laminated composite bamboo panels comprises a plurality of kiln-dried glue-dipped elongate asymmetrically fractured bamboo strips compressed into a solid panel devoid of air spaces.

A dust-free chemical floor assembly type temporary PC pavement slab relates to the technical field of assembly type pavement slabs and comprises a pavement slab plate, the pavement slab plate comprises a base mechanism, a cover plate mechanism and a small cover plate mechanism, the cover plate mechanism is arranged at the top end of the base mechanism, the small cover plate mechanism is arranged at the top of the cover plate mechanism, and the small cover plate mechanism is arranged at the top of the base mechanism. And the adjacent pavement slab plates are connected through the plate connecting pieces and the small cover plate mechanisms. The novel pavement slab overcomes the problems that cast-in-place concrete (or reinforced concrete) is adopted as a temporary construction site or a temporary construction road in the prior art, and the cast-in-place site is long in construction period, low in work efficiency, high in cost and difficult to maintain, is high in overall disassembly and assembly speed, high in efficiency, low in cost, convenient to maintain and capable of being recycled, and can be put into use after construction is completed; the method is suitable for all construction sites and roads, and the aim of dust-free chemical engineering site construction is really achieved.

The invention relates to a soil stabilization system (10) for safety strips on runways, comprising a load distribution layer (11) and a vault layer (12) below the load distribution layer (11).

The invention belongs to the field of vehicle-road cooperation self-driven sensing, and particularly relates to an intelligent road network medium for vehicle-road cooperation triboelectricity self-driven sensing. Comprising an embedded high-elasticity triboelectric self-driven sensing unit (1), a grating type middle interlayer (2), an upper steel base plate (301), a lower steel base plate (302), a steel strut and spring (303), cushioning foam (4), a high-strength flexible nano-modified caulking layer (5) and a high-strength high-toughness waterproof packaging layer (6). The embedded high-elastic triboelectricity self-driven sensing unit (1) is prepared by selecting two flexible materials with remarkable electronegativity difference according to triboelectrification and electrostatic induction effects. The method is suitable for sensing vehicle and road information such as road average speed, vehicle weight, road surface state and the like, and the sensing range is 10-120km / h of vehicle speed, 2-20t of vehicle weight and 0.35-0.8 of road surface friction coefficient. Compared with the prior art, the method has the advantages of multiple sensing information, wide sensing range, high sensing precision, high sensing network coverage rate and the like.

The invention discloses an anti-slip photovoltaic floor tile and a manufacturing method thereof, and relates to the technical field of photovoltaic building integration, and the anti-slip photovoltaic floor tile comprises an integrally packaged photovoltaic module. The rough anti-skid layer with a high friction coefficient is formed by adopting the glaze-plated anti-skid tempered glass layer and applying special pretreatment and a dry granular glaze sintering process, in the aspect of power generation performance, standard double-glass packaging is matched with the reflection synergistic effect of the white PVB adhesive film, the efficient and reliable photoelectric conversion capacity is ensured, and the service life of the photovoltaic module is prolonged. And excellent waterproof, dustproof, weather-proof and anti-aging performances are provided through comprehensive sealing protection, long-term durability in outdoor harsh environments is guaranteed, in addition, a lead hole is preset, the positive and negative electrode connectors capable of being quickly plugged and unplugged and a base is integrated with a lead channel design, convenient, safe and hidden wiring of electrical connection is realized, and the service life of the electric connector is prolonged. The installation and maintenance process is greatly simplified, the ground space utilization efficiency is remarkably improved, and the photovoltaic power generation function is perfectly integrated into ground pavement.

A roadway section enables dynamic wireless power transfer to a vehicle. The roadway section comprises pavement material and a wireless power charger. The pavement material defines a pavement section volume having a top surface on which the vehicle traverses and side surfaces. The wireless power charger includes a conductive element located at least partially within the pavement section volume and is configured to emit a magnetic field toward the top surface of the pavement section volume to wirelessly transfer electric power to the vehicle. The conductive element defines a profile with an outer radius that is located at least two and a half centimeters (2.5 cm) away from the side surfaces of the pavement section volume.

The invention relates to a concrete block in the form of a planar element that can be laid in combination in order to create a paving. The concrete block has at least one multi-layer concrete block body having at least one concrete-block lower face suitable for being laid on a foundation layer of an underlying surface, and a concrete-block upper face opposite thereto. The multi-layer concrete block body has at least one first concrete-block layer disposed on the concrete-block upper face and in the form of a face concrete layer, at least one second concrete-block layer in the form of a core concrete layer, as well as a third concrete-block layer. The second concrete-block layers is disposed between the first and the third concrete-block layer. The third concrete-block layer has an increased tensile strength.

A fastening device system for connection at least a first and a second overlapping mats placed on the ground wherein the first mat is aligned over at least one connecting hole of the second mat, the fastening device system comprising, a housing having a first half and a second half wherein the first half and second half are attached together forming the housing. A pin having a foot disposed at the lower end thereof and a shaft having a helical shelf that engages the helical channel of the housing. The pin is configured so that when it rotates 90° in one direction to the housing the pin draws the foot closer to bottom of housing and provides at least one locking position of the foot and locking the foot in place.

The utility model discloses a bolted assembly type airport pavement structure, which comprises a plurality of adjacent prefabricated concrete upper cover plates and a plurality of prefabricated concrete base plates, the prefabricated concrete upper cover plates and the prefabricated concrete base plates are in bolted connection, each prefabricated concrete upper cover plate comprises an upper cover plate central part and four flange parts, the upper cover plate central part is a cube with the thickness of h, four flange parts with the thickness of h / 2 are arranged on the upper edges of the four side edges of the central part of the upper cover plate and partially extend outwards, the length of the long edge of each flange part is smaller than that of the central part of the upper cover plate, and the adjacent flange parts are not connected with each other; a boss is formed in the middle of the square precast concrete base plate with the thickness of h / 2, and the top face of the boss and the top face of the precast concrete upper cover plate are spliced to form a complete plane. The connecting mode is simple and practical, assembling and disassembling operation is easy and convenient, force transmission performance is excellent, and the stress requirement of an airport pavement structure is completely met.

A connection between substantially planar panels is disclosed. A panel comprises a panel body, said panel body comprising a pair of planar members, deployed in parallel spaced arrangement, and connected by an outer side wall. A connection assembly extends circumferentially from each panel body, with a connection assembly including a planar connection surface for engaging in a plane a corresponding connection surface on a second panel. The planar connection surface and the side wall defining an acute angle, wherein said plane is at an angle of 2°-8° to the plane of the panel bodies.

The invention discloses a soft soil area film bag sand blowing shortcut composite structure and a construction method, and relates to the technical field of highway engineering building construction shortcuts, the technical scheme is that the soft soil area film bag sand blowing shortcut composite structure comprises a film bag sand layer arranged at the bottom and a ballast layer arranged at the top of the film bag sand layer; the film bag sand layer comprises a third film bag sand layer arranged on the original ground or above the water surface, a first film bag sand layer and a second film bag sand layer, wherein the first film bag sand layer and the second film bag sand layer are arranged on the original ground or below the water surface, and the first film bag sand layer and the second film bag sand layer are filled with film bag green sand in a layered mode according to the water depth. The ballast layer is arranged on the top of the third film bag sand layer. The method has the beneficial effects that the working procedures of drainage, desilting, replacement and filling and the like are reduced, the construction period is shortened, the equipment investment and cost are reduced, and rapid forming of the shortcut is achieved. The film bag and the sand are combined to form a high-bearing-capacity compact block, sedimentation is prevented, the maintenance cost is reduced, and smoothness and progress are guaranteed. The mechanical conveying improves the efficiency, reduces the labor intensity, is free of waste, recoverable in sand, and meets the requirements of green sustainable development.

The utility model discloses a landscape tree pit. Comprising a telescopic frame capable of expanding outwards in the inner side stress process, an annular flexible compensation assembly which is detachably arranged on the peripheral side of the telescopic frame and can deform when being stressed, and a sealing plate assembly which is detachably arranged on the inner side of the telescopic frame and does not affect outward expansion of the telescopic frame. The sealing plate assembly is used for covering a soil layer around the periphery of the tree. The telescopic frame has the following advantages and effects that in the process that the telescopic frame and the sealing plate assembly of a tree pit are extruded by the tree diameter of a tree and root development, outward expansion can be achieved through the arrangement of the telescopic frame, and the telescopic frame can drive the sealing plate assembly to expand outwards; the annular flexible compensation assembly can deform after being subjected to the outward expansion acting force of the telescopic frame, and therefore the situation that the tree pit hunches up is avoided.

A selectively frictionally engaged hole cover for a bore hole cored from a paved surface that includes a cover plate configured to cover the bore hole and support vehicular traffic. An engagement mechanism is attached to the cover plate and extends down into the bore hole. The engagement mechanism is configured to be actuated by a user torque input that causes an engagement plate selectively shiftable relative to the cover plate to thereby shift an engagement member along a engagement member stop and thus radially outwardly or inwardly, causing the engagement mechanism to selectively engage or disengage the wall of the bore hole. When the engagement member is in frictional contact with the hole, unintentional extraction of the engagement mechanism is prevented. The selectively frictionally engaged hole cover effectively provides a temporary cover for a bore hole in a road, parking lot, or other paved surface.

The invention relates to the technical field of constructional engineering, in particular to assembly type machine-made sand concrete pavement slab surface leveling equipment and method.The equipment comprises a mold arranged at the top of a mold table and a supporting frame arranged on the outer side of the mold table in a sleeving mode, and the tops of the left side wall and the right side wall of the supporting frame form a linear guide rail structure; a leveling mechanism is connected to the linear guide rail structure in a sliding mode, moves along the linear guide rail structure through a first driving mechanism and comprises a coordinate positioner and a leveling assembly moving along the coordinate positioner through a second driving mechanism. And the leveling assembly comprises a slurry surface flatness data acquisition unit, a leveling unit and a slurry surface flatness data rechecking unit. Through the procedures of data acquisition, overall planning, material supplementing, scraping and the like, the surface of the slurry can be fully leveled, the density uniformity is ensured, and the flatness and strength of a pavement slab are improved.

A paver system for paving a surface is provided. The paver system includes a plurality of cells interconnected to form a grid. The cells generally include six walls to form a hexagonal shape. The cells share at least two walls with adjacent cells, wherein the grid is arranged having parallel rows and columns of cells defining a parallelogram shaped grid. The grid defines four sides, wherein adjacent sides are not at a right angle, wherein select cells may have one or more walls which include a flexible expansion node, and wherein the cells are adapted to receive a filler.

A fastening system may include a union plate with four perforated holes aligned with mat corners. A device may include threaded receiver nuts within the perforated holes of the union plate. A device may include a tapered bolt with a threaded end, configured to engage the receiver nuts. A device may include a rubber washer and a tapered steel washer with a tapered center hole, arranged in the bolt assembly.

A selectively frictionally engaged hole cover for a bore hole cored from a paved surface that includes a cover plate configured to cover the bore hole and support vehicular traffic. An engagement mechanism is attached to the cover plate and extends down into the bore hole. The engagement mechanism is configured to be actuated by a user torque input that causes an engagement plate selectively shiftable relative to the cover plate to thereby shift an engagement member along a engagement member stop and thus radially outwardly or inwardly, causing the engagement mechanism to selectively engage or disengage the wall of the bore hole. When the engagement member is in frictional contact with the hole, unintentional extraction of the engagement mechanism is prevented. The selectively frictionally engaged hole cover effectively provides a temporary cover for a bore hole in a road, parking lot, or other paved surface.

A method of assembly of a trackout mat assembly includes arranging a plurality of blocks in columns and rows. The blocks includes main blocks and ramp blocks. The main blocks and said ramp blocks each has a through-hole extending along a longitudinal axis of the main blocks and the ramp blocks. The main blocks are aligned in columns and are offset from main blocks in adjacent columns so the main blocks are offset in rows. Ramp blocks are positioned adjacent to and are placed offset from main blocks and outer ends of the of trackout mat assembly. Adjacent main blocks and ramp blocks are connected together using a coupler assembly, which includes a plurality of wires which extend through through-holes of adjacent main blocks and ramp blocks to connect the main blocks and ramp blocks together.

The invention belongs to the technical field of power equipment transfer, and particularly relates to a transfer tool and method for cross-cable-trench transfer of a circuit breaker in a limited space. The transfer tool is provided with a transfer chassis capable of achieving four-wheel independent driving and independent steering, a hydraulic jacking device capable of being independently adjusted at the four-wheel supporting position so as to control the transfer chassis to be horizontal, a detection device used for detecting the running posture of the transfer tool and a control device used for receiving the detection result output by the detection device and controlling the transfer chassis to be driven. The control cabinet is used for steering and lifting; the method comprises the steps of loading preparation, horizontal adjustment, ditch-crossing preparation and driving control, alignment adjustment and retreating of a transfer tool. The adaptability and safety of the transfer equipment in the complex environment can be effectively improved, and the efficiency and reliability of the transfer and installation process can be improved.

A wireless power transfer transmitter system and a method of constructing an asphalt pavement containing the wireless power transfer transmitter system are provided. The present disclosure allows future rehabilitation of the asphalt pavement. The construction method includes: forming a channel in a layer of a drivable civil structure; forming a magnetizable asphalt mixture in the channel, the magnetizable asphalt mixture including an asphalt binding substance and magnetizable particles; and placing a pre-manufactured transmitter coil or a pre-manufactured transmitter coil assembly in the magnetizable asphalt mixture. The pre-manufactured transmitter coil assembly includes a transmitter coil and a holder, which may or may not be permanently installed in the pavement, a part of the transmitter coil is installed in the holder, and 0 to 90 percent of the transmitter coil is embedded in the magnetizable asphalt mixture.

The invention discloses a pavement adaptive to a magnetic resonance type dynamic wireless charging system and a construction process of the pavement, and belongs to the field of road engineering and road infrastructures. The pavement comprises a lower surface layer, a middle surface layer and an upper surface layer, a charging unit is arranged in the middle of the upper surface layer, and wear-resistant asphalt concrete is arranged on two sides; the charging unit is divided into three layers, the lower layer is nanometer metal heat conduction type asphalt concrete, the middle layer is an adhesive layer embedded with a transmitting coil, and the upper layer is ferrite magnetic enhanced asphalt concrete. Through the optimized material and structural design, the mechanical compatibility of the transmitting coil and the road surface is improved, the heat dissipation performance is also remarkably improved, the problem of system overheating is avoided, the magnetic loss is greatly reduced by optimizing the magnetic field distribution, the energy transmission efficiency of the magnetic resonance type wireless charging system is remarkably improved, and the energy loss is reduced; and meanwhile, the service life of the wireless charging system is prolonged, the maintenance cost is reduced, and an efficient and reliable solution is provided for dynamic wireless charging of the electric vehicle.

The invention relates to the technical field of civil engineering, in particular to a method for paving a temporary traffic road of a sand foundation based on a high-strength polyethylene material. According to the method, static pressure is applied to the sand foundation through a vibratory roller, then vibratory compaction is conducted, steel pipes are driven into the sand foundation for reinforcement, flatness measurement is conducted on the surface of the sand foundation through a measuring instrument, trimming is conducted through a land leveler, and an appropriate cross slope and an appropriate longitudinal slope are arranged according to the road design requirement; then high-strength polyethylene plates are laid on the surface of the sand foundation; the polyethylene plate prepared by the invention not only has better mechanical properties, but also has excellent wear resistance and illumination resistance, and the quality of the polyethylene plate is effectively ensured; the method for paving the temporary traffic road of the sand foundation based on the high-strength polyethylene material is used for paving the temporary road and has a wider market prospect.