1866results about "Single unit pavings" patented technology

The invention relates to a method for manufacturing pavement elements made of concrete for manufacturing concrete paving stones or concrete slabs by a paving stone machine. The pavement elements are produced as multi-layer pavement elements {1} and have at least one core concrete layer manufactured from a core concrete and at least one face concrete layer manufactured from a face concrete. In the method, the core concrete is introduced into at least one mold and compressed. Subsequently the face concrete is additionally introduced onto the compressed core concrete and is likewise compressed, and the core concrete and the face concrete are cured.

Artificial stone for use as a surface covering, in particular as a paving stone (1) or as a paving slab, with a base body (2), preferably made of concrete or predominantly made of concrete, wherein the base body (2) has at least one underside (4) provided for resting on a substrate, at least one top surface (7) opposite the underside (4) and a circumferential rim, characterized in that the base body (2) has at least one recess (5), in particular a cavity or the like, and a solid body (3) with bound carbon is located in the recess (5), wherein the bound carbon is preferably technically produced biochar.

The utility model belongs to the technical field of green building materials, and particularly relates to an outdoor quick-assembly ecological paving stone. The outdoor fast-assembly ecological paving stone comprises a paving stone base body and fast-assembly connecting pieces, connecting grooves matched with the fast-assembly connecting pieces are formed in the side edges of the paving stone base body, the bottom face of each side edge of the bottom face of the paving stone base body is provided with a beveled edge contracting inwards, and the fast-assembly connecting pieces comprise the first connecting pieces and the second connecting pieces; the first connecting piece and the second connecting piece are detachably connected, when the two paving stone base bodies are spliced, the first connecting piece is inserted into the connecting grooves of the two paving stones at the same time, and the second connecting piece abuts against the inverted edges of the two paving stone base bodies. According to the outdoor quick-assembly ecological paving stone, quick installation of a plurality of paving stone base bodies is achieved through the quick-assembly connecting pieces, the paving flexibility is improved, the outdoor quick-assembly ecological paving stone can meet the installation requirements of different road surface environments, looseness is not prone to occurring after fixing, and the installation firmness is improved.

A mat assembly having a plurality of mats, interconnected with connectors including a cable for passing through a channel of each mat, wherein each end of the cable is secured, and a ratchet or winch mechanism for shortening the effective length of the cable; such that, when shortened, the cable retains abutting mats in contact with each other; and / or 5 including a bridge connector having two or more expandable plugs, spaced apart on the connector, and each expandable plug fits within and expands to securely engage an opening in each of the abutting mats.

The utility model relates to the field of railway traffic engineering, and discloses a contact net pillar convenient to overhaul based on a high platform, which comprises a stand column, a stand column base is arranged at the lower end of the stand column, and a cross beam is fixedly connected to the upper end of the side face of the stand column and used for installing a high-voltage wire. A protective wall is arranged on the side face of the stand column base, a handrail is fixedly connected to the upper side face of the protective wall, a riffled plate is arranged at the upper end of the inner wall of the protective wall, and the stand column protective device is arranged between the protective wall and the stand column base. The supporting column can be effectively protected from being affected by the external environment, durability is enhanced, and investment waste is reduced.

A method for preparing a construction material for a roadbed and a pavement by using construction solid waste-based geopolymers includes: preparing a construction solid waste-based geopolymer cementitious material and construction solid waste-based recycled sand by using construction solid wastes, and then preparing the construction material by batching, stirring, molding, and curing the cementitious material and the recycled sand with aggregates and water. Barium hydroxide is determined as a main activator and a high-pressure activation is performed, thereby promoting a dissolution efficiency of active silicon and aluminum in the construction solid wastes; and a compensator is added to promote polymerization to obtain the cementitious material with a compact three-dimensional network structure. The recycled sand is also obtained, and the construction material is obtained by using the recycled sand and the cementitious material, thereby fully utilizing the construction solid wastes and improving preparation efficiency of the construction material.

A covering element for a floor covering comprising an upper surface having a relief structure, wherein the relief structure comprises excavations having a depth decreasing towards at least one perimetric edge of the covering element.

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.

To provide a road surface forming method capable of easily forming a flat road surface on which a drainage channel is formed. [Solution] A road surface molding auxiliary member 1 comprises a plurality of water storage members 2, each having a water storage space S1 formed therein and with the water storage space S1 open at the bottom, and a blocking portion 3 formed on the top of each water storage member 2 to block the water storage space S1. The plurality of water storage members 2 are arranged on a plane and are connected directly or indirectly to adjacent water storage members 2. The road surface molding method comprises the steps of pouring road surface molding material onto the road surface molding auxiliary member 1 to a height substantially equal to or greater than the blocking portion 3, and grinding the blocking portion 3 and the hardened road surface molding material until at least the opening H1 of the water storage space S1 is exposed. The blocking portion 3 is formed from a material that can be ground together with the hardened road surface molding material.

The invention relates to concrete for a non-structural silicon-aluminum cementing material as well as a preparation method and application of the concrete. The silicon-aluminum cementing material concrete is prepared from the following components in percentage by mass: 10%-25% of a silicon-aluminum cementing material cementing component, 0.5%-1.3% of an auxiliary exciting agent, 36%-50% of coarse aggregate, 25%-40% of fine aggregate, 5.0%-12.5% of water and 0%-0.6% of calcium lignosulphonate. Compared with Portland cement concrete, the silicon-aluminum cementing material concrete provided by the invention has more excellent freeze-thaw cycle resistance, and can be suitable for preparation of concrete buildings in severe cold areas.

The present disclosure is related to a method of forming a cement-based material pad comprising a plurality of drainage holes and forms for use in such a method.

The invention provides a solid waste-based cementing material and a preparation method thereof, and relates to the technical field of solid waste resource utilization and cementing material preparation. The cementing material is prepared by mixing and grinding 60-80 parts by weight of modified phosphogypsum and 20-40 parts by weight of an auxiliary material, and the auxiliary material comprises at least one of steel slag powder, fly ash, lithium slag and mineral slag; a preparation method of the modified ardealite comprises the following steps: carrying out microwave treatment on ardealite for 0.5-1 hour, mixing the treated ardealite with aluminum oxide, attapulgite and sodium lignosulphonate, adding a tetramethylammonium hydroxide solution, and drying to obtain the modified ardealite. According to the solid waste-based cementing material disclosed by the invention, the phosphogypsum is modified, so that the solid waste-based cementing material has the characteristics of high strength, stable cementing, strong erosion resistance and the like while the mixing amount of the phosphogypsum is increased.

To provide a road surface forming auxiliary member that can form a road surface with a high degree of freedom, in which a drainage channel is formed and cracking is suppressed. [Solution] A through hole H1 communicating with the water storage space S1 is formed in the upper part of the water storage member 2, and the water storage space S1 is open on the lower side of the water storage member 2. A plurality of first engaging portions 24 are formed in the water storage member 2, and a second engaging portion 31 engageable with the first engaging portion 24 is formed in the wall member 3. By connecting the plurality of water storage members 2 via the wall member 3, individual spaces S2 surrounded by the plurality of water storage members 2 and the plurality of wall members 3 are formed, and by hardening the road surface molding material poured into the individual spaces S2, a road surface is formed that allows water to flow from the through hole H1 into the water storage space S1.

The invention discloses a processing technology of flow guide and drainage assembly type paving stone, and belongs to the technical field of paving stone, the flow guide and drainage assembly type paving stone comprises a paving stone body, a flow guide and drainage groove is formed in the paving stone body, and water collecting holes are formed in the corners of the flow guide and drainage groove; the water collecting hole communicates with a water storage cavity in the paving stone body through a water inlet channel, a drainage channel communicating with the outside is formed in the middle of the water storage cavity, two flow dividing grooves are formed in the side edge of the water collecting hole, and a butt joint inserting block is fixed to an opening of one flow dividing groove; the butt joint inserting blocks are inserted into the flow dividing grooves in the other paving stone body and used for connecting the drainage systems in the multiple paving stone bodies in parallel. According to the flow guide and drainage assembly type paving stone and the processing technology thereof, in the paving process of the paving stones, the adjacent paving stones can be conveniently assembled, the connection strength between the paving stones is improved, and meanwhile after the paving stones are connected, drainage systems of the multiple paving stones communicate with one another.

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.

The invention relates to a production process of an ultra-strong freezing-resistant impervious artificial pavement brick, which comprises the following steps: S1, raw material preparation: selecting and proportioning the following raw materials in percentage by mass: 25-35% of cement which adopts P.O42.5 ordinary Portland cement; 15%-25% of a mineral admixture which is any one of fly ash or slag; the anti-freezing property, the anti-permeability, the strength and the durability of the brick body are remarkably improved through accurate proportioning and use of specific raw materials and interaction of the specific raw materials, the microstructure of the brick body can be effectively improved through use of specific functional materials such as the expanding agent, the nano silicon dioxide and the polymer emulsion, and the anti-freezing property of the brick body is improved. According to the pavement brick manufactured by the process, the low mass loss and the high compressive strength of the brick body are maintained in the freezing and thawing cycle process, the compressive strength loss of the brick body after 50 times of freezing and thawing cycles can be ensured not to exceed 15%, and no visible crack appears, so that the pavement brick manufactured by the process has excellent durability.

The invention discloses a pavement stone modular pre-assembly laying method. The method comprises the steps of preparation before construction, manufacturing and debugging of a stone laying auxiliary device, manufacturing of prefabricated modules, demolding and detection of the prefabricated modules, construction of a gravel cushion layer, transportation and hoisting of the prefabricated modules, field assembly, post-cast strip treatment and the like. Special equipment such as a stone laying auxiliary device and a gravel cushion leveling device is prepared, prefabricated modules are manufactured in a controlled environment, the prefabricated modules are transported to a site after being detected to be qualified, splicing is completed by means of a hoisting device, and the structural integrity is enhanced through post-cast strip treatment. According to the method, the construction efficiency can be improved, the construction quality is guaranteed, the structural stability is enhanced, the construction safety is improved, good economical efficiency is achieved, the environmental protection requirement is met, and the method is suitable for large-area and high-precision stone laying engineering.

The utility model discloses a novel self-locking straight-through hole water permeable brick which comprises a water permeable brick body, and the cross section of the water permeable brick body is of a rectangular structure. The number of the first splicing grooves is two, and the two first splicing grooves are symmetrically formed in the two opposite side faces of the top face of the water permeable brick body; two groups of second splicing grooves are symmetrically formed in the bottom surfaces of the water permeable brick main bodies, and the first splicing grooves and the second splicing grooves of the adjacent water permeable brick main bodies are correspondingly arranged; a plurality of groups of water permeable holes are arrayed on the water permeable brick main body, and the axes of the water permeable holes are parallel to the height direction of the water permeable brick main body; the flow guide grooves are respectively formed in the top surface and the bottom surface of the water permeable brick main body, and the adjacent water permeable holes are communicated through the flow guide grooves; the lengths of the first diversion trench and the second diversion trench are equal and are half of the length of the water permeable brick main body. According to the utility model, the plurality of water permeable brick main bodies form an occlusion effect, so that the splicing stability is ensured, meanwhile, the splicing is simple, and the construction difficulty is low.

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.

The photovoltaic floor tile comprises a frame, the frame is of a regular hexagon structure, supporting legs are arranged on the lower portion of the frame, an upper cover plate is fixedly arranged at the upper end of the frame, the upper cover plate is made of thermoplastic transparent plastic, a plurality of protruding strips with the cross sections being isosceles trapezoids are arranged on the upper end face of the upper cover plate, and the cross sections of the protruding strips are isosceles trapezoids. The lower end of the frame is fixedly connected with a bottom shell, the middle of the bottom shell protrudes upwards, a groove is formed in the middle of the protrusion, the groove is filled with a photovoltaic substrate, tempered glass is arranged between the photovoltaic substrate and the upper cover plate, and the edge of the protrusion supports the edge of the lower portion of the tempered glass. The photovoltaic floor tile is antiskid, and the upper cover plate of the photovoltaic floor tile is easy to clean, maintain and replace.

The invention belongs to the technical field of grinding, particularly relates to a water permeable brick and a brick surface treatment process and grinding equipment thereof, and provides the following scheme aiming at the problems that in the prior art, only one surface can be ground at a time, the efficiency is low, and a positioning clamping groove cannot be ground in the grinding process: the water permeable brick comprises a worktable, and a water tank is arranged at the bottom of the worktable; a grinding disc is rotatably arranged at the top of the workbench in a penetrating mode, a motor is arranged at the bottom of the workbench, and one output end of the motor is in transmission connection with the grinding disc through a gear and used for driving the grinding disc to rotate; a motor drives a grinding disc to rotate to grind the bottom of a water permeable brick, meanwhile, a first electric push rod drives a clamping plate to move to clamp a brick body, a second electric push rod drives a chassis to move in a lifting mode, and a transmission assembly is matched to achieve movement of a grinding frame, a first grinding block and a second grinding block; and the outer wall and the bottom rectangular opening of the water permeable brick are polished, manual overturning for sequential polishing is not needed, and the polishing efficiency is improved.

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.

Provided is an asphalt mixture for pavement, the asphalt mixture being obtained by effectively reutilizing discarded electrical wiring and enabling pavement having excellent dynamic stability. The asphalt mixture for pavement comprises aggregate and an asphalt binder. The aggregate contains crosslinked polyethylene recovered from discarded electrical wiring. The asphalt binder contains straight asphalt and a polyolefinic resin.

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.

The invention relates to a stain-resistant, anti-slip and wear-resistant non-slip corundum dry granular glaze, a ceramic tile and a process and application thereof. The non-slip corundum dry granular glaze is prepared from the following components in percentage by mass: antique protection glaze, matte dry granules and corundum powder, and a suspending agent is additionally added, the antique protection glaze is subjected to ball milling until the screen residue of 325 meshes is 0.2-1.5%, and the content of BaO and MgO is greater than 20%; the granularity of the matte dry granules is 120-300 meshes, and the initial melting temperature is higher than 1200 DEG C; and the granularity of the corundum powder is 200-1200 meshes. According to the scheme, the matte dry particles with the initial melting temperature being 1200 DEG C or above are selected to be matched with the corundum powder melted at the initial melting temperature being 2000 DEG C or above to be applied to the antique protection glaze, micron-scale and nano-scale rough composite structure surfaces can be formed under the compounding effect, the surface skid resistance of a ceramic product reaches R11 or above, and the surface has the characteristics of hydrophobicity and easiness in cleaning; the problem that stain resistance, skid resistance and Moh's hardness of an existing ceramic surface cannot be simultaneously achieved is solved.

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.