804results about "Temporary pavings" patented technology

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 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 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.

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 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 present invention provides a bidirectional energy-transfer system comprising: a thermally and / or electrically conductive concrete, disposed in a structural object; a location of energy supply or demand that is physically isolated from, but in thermodynamic and / or electromagnetic communication with, the thermally and / or electrically conductive concrete; and a means of transferring energy between the structural object and the location of energy supply or demand. The system can be a single node in a neural network. The thermally and / or electrically conductive concrete includes a conductive, shock-absorbing material, such as graphite. Preferred compositions are disclosed for the thermally and / or electrically conductive concrete. The bidirectional energy-transfer system may be present in a solar-energy collection system, a grade beam, an indoor radiant flooring system, a structural wall or ceiling, a bridge, a roadway, a driveway, a parking lot, a commercial aviation runway, a military runway, a grain silo, or pavers, for example.

A bridge piece that can be used as a hose bridge extender or a railroad crossing. An exemplary bridge piece has a body having an undercut proximate one side, which undercut is positioned near a track when used as part of a railroad crossing.

The invention relates to a wireless charging fabricated pavement and a construction method thereof.The pavement comprises a prefabricated concrete pavement base plate, a prefabricated transmitting coil module, an asphalt mixture thin layer and a transmitting coil control system, and the prefabricated concrete pavement base plate is arranged on the bottom layer; the prefabricated transmitting coil module is installed on the prefabricated concrete pavement base plate and communicated with the prefabricated concrete pavement base plate to form a continuous structure, and the asphalt mixture thin layer is laid on the surface layer of the continuous structure to form a wireless charging pavement traveling layer. And the transmitting coil control system is connected with the precast concrete pavement substrate through a cable. Compared with the prior art, the invention has the advantages of rapid assembly, stable operation, convenient maintenance and the like of the wireless charging road surface.

The utility model discloses a quick repair pavement patch for municipal engineering, and particularly relates to the technical field of road maintenance, the quick repair pavement patch comprises a pavement, a patch assembly and an adjusting assembly, and the patch assembly and the adjusting assembly are placed above the pavement; the patch assembly comprises a limiting groove plate, a mold plate and an insertion rod. Through the synergistic effect of the patch assembly and the adjusting assembly, the inserting rods are evenly inserted into asphalt filler in the vibration tamping process, vibration tamping is accelerated, air is exhausted, dense distribution is ensured, and the bearing capacity and durability of a road surface are improved; after the assembly is removed, a concave-convex structure is formed on the asphalt surface, the heat dissipation area is increased to accelerate the cooling speed, meanwhile, the anti-skid performance is remarkably enhanced by improving the roughness, and the driving safety in rainy days is guaranteed. In addition, the sliding design of the adjusting assembly can flexibly adjust the overlapping range of the first rectangular groove and the second rectangular groove, the size of the surface protruding block is controlled, the antiskid requirements of different traffic scenes are met, and the universality and adaptability of the device are enhanced.

The invention discloses a construction method for curing sludge while blowing sludge, which comprises the following steps of: filling sludge with two layers of film bags to form a fence for blocking sludge on the outer surface layer, and pumping floating water on the upper layer by using a sludge pump; sludge solidification is directly carried out on the reinforced area in an in-situ solidification mode, the hydraulic reclamation area is propelled from one side of the levee, and the next construction working face is fished out; curing in the cured area for 7 days, and moving the sludge curing equipment to the cured area after the strength is reached; a film bag is arranged at the solidification boundary to flush and fill the flow-state solidified soil, and sludge solidification equipment is adopted for assisting sinking to the bottom elevation + 0.22 m; carrying out in-situ solidification on the dredger-filled sludge soil in the rest area; after the in-situ curing area reaches the strength, sludge ex-situ curing construction is conducted in a layered mode, and the curing thickness of each layer is 0.8 m; and the flow-state solidified soil is constructed layer by layer in sequence to + 6.20 m. The construction process of in-situ curing and heterotopic curing is adopted, an effective construction channel and an effective construction platform are formed, and a guarantee is provided for the on-site production progress.