119 results about "Cement board" patented technology

The invention discloses a white and black pavement structure exterior and interior disease one-key plotting method oriented to pavement health management, and relates to the technical field of road engineering detection and maintenance. Reflection crack tracing is realized based on an interlayer disease conduction rule by establishing a cement board joint coordinate system; the method comprises the following steps: determining the types of broken slabs and slab corner fractures by utilizing the spatial geometrical relationship between cracks and joints, calculating indexes such as a load transfer coefficient, a reflection crack rate, a slab breakage rate and a pavement condition index, and generating a visual result containing disease distribution and performance parameters in a linkage manner. According to the method, the traditional single structure layer analysis limitation is broken through, the reflection crack recognition accuracy rate exceeds 92%, the broken plate judgment accuracy rate reaches 94% or above, the batch data processing time complexity is optimized to O (n + m), the single road section analysis time is shortened to be within 5 minutes from 2 hours, the problems of low manual detection efficiency, large errors and the like are effectively solved, and quantitative support is provided for precise maintenance of white and black pavements.

The utility model discloses a laminated slab strip reinforcing structure which comprises an ejector rod, the bottom of the middle end of the ejector rod is fixedly connected with a lead screw, the outer side of the lead screw is provided with threads and is in threaded connection with a fastening nut, and the ejector rod is arranged above a gap between two laminated slabs. The screw rod penetrates through the wood glue plate arranged below a gap between the two laminated plates and is in sliding connection with the wood glue plate, cement cushion blocks are arranged between the lower portions of the two ends of the ejector rod and the tops of the laminated plates, the screw rod is sleeved with a sleeve, and the sleeve is in sliding connection with the screw rod. The ejector rod is made to be higher than the pouring face of concrete, the screw rod is sleeved with the sleeve, the screw rod and the concrete are separated, the screw rod and the ejector rod can be taken down conveniently after pouring is completed, cost can be saved through recycling, and the working procedure of cutting protruding parts is omitted.

The utility model relates to the technical field of cement sampling, and discloses a cement sampling device. The cement sampling device comprises a connecting pipe, a baffle is fixedly installed in the connecting pipe, an adapting pipe is fixedly installed below the connecting pipe, a fixing frame is fixedly installed in the adapting pipe, a fixing pipe is fixedly installed in the center of the fixing frame, a piston is installed in the fixing pipe in a penetrating and inserting mode, and the connecting pipe is fixedly installed in the connecting pipe. A plug is fixedly installed at the top end of the piston, a conveying pipe is fixedly installed below the adapting pipe, the plug is movably connected with the fixing pipe through the piston, the plug is made of rubber and of a conical structure, the diameter of the bottom end of the plug is larger than the outer diameter of the fixing pipe, and the plug is located under the opening structure of the connecting pipe. The plug is driven by the piston to move upwards, so that the plug penetrates through the opening structure at the bottom of the connecting pipe, a cement board structure blocked at the opening structure of the connecting pipe is damaged, and cement is prevented from blocking the sampling hole.

This invention discloses a solid waste cemented board sound barrier and its preparation method. The solid waste cemented board sound barrier material is prepared from industrial solid wastes such as phosphogypsum, steel slag powder, and fly ash as the main raw materials, realizing the resource utilization of solid waste, significantly reducing raw material costs, and being environmentally friendly and low-carbon. The board production process has low energy consumption, simple and controllable technology, and is easy to mechanize for continuous production. The resulting material has high strength and stable performance, and is lightweight, fireproof, and corrosion-resistant. It does not crack or discolor under extreme climates, and its key indicators meet the requirements of highway sound barrier specifications. Based on its excellent strength, the solid waste cemented board sound barrier board prepared by this invention can be made into 4-5 meter long boards, suitable for installation with H-shaped steel columns spaced 4-5 meters apart. Compared with the traditional 2-meter boards, it can reduce the amount of column and foundation engineering, significantly reduce the overall cost, and has significant economic benefits and broad application prospects.

The utility model relates to a concrete pouring and tamping device for multifunctional classroom floor honeycomb core construction, and belongs to the technical field of concrete pouring and tamping devices, the concrete pouring and tamping device comprises two supporting rods and a tank body, the left and right sides of the lower surfaces of the two supporting rods are provided with supporting legs, and the left sides of the upper surfaces of the supporting rods on the front and rear sides are provided with connecting plates; a driving mechanism is arranged on the right side of the connecting plate, a stirring mechanism is arranged on the upper surface of the tank body, and the left side of the upper surface of the tank body communicates with a feeding pipe. According to the multifunctional concrete pouring and tamping device for classroom floor honeycomb core construction, an electric push rod is started to drive a tank body to move left and right, moving blocks slidably connected to front and rear U-shaped rods move left and right on the outer sides of the front and rear U-shaped rods, and the position of the device and the pouring position can be adjusted; and the effect of pouring cement boards of different sizes is achieved, and then the position on the supporting rod can be conveniently adjusted.

The invention relates to the technical field of prefabricated structural parts, and particularly discloses a prefabricated butt joint steel structure which comprises a wall body, corner fixing frames are arranged at the corners of the wall body, cement board bodies are arranged on the two sides of the wall body, fixing devices are arranged at the two ends of each cement board body, clamping grooves are vertically formed in the corner fixing frames, and the fixing devices are arranged in the clamping grooves. Connecting grooves are formed in the front side and the rear side of the inner surface of the clamping groove, and the two ends of the cement board body are inserted into the clamping grooves in the corner fixing frames through fixers to be connected and fixed. The fixator comprises a built-in groove, a clamping block, an extrusion block, a connecting piece, a rotating shaft, a connecting strip, a first movable groove, a second movable groove, a butt joint groove, a bumper and a buffer assembly. The structure can prevent a large amount of rainwater from being injected, reduces corrosion damage caused by residual rainwater in the fixer, protects the cutting end of the cement board main body, prevents water from entering the cement board main body to corrode and damage the cement board main body, and prolongs the service life of the device structure.

The utility model provides a basement exterior wall integrated formwork, which belongs to the technical field of formworks and comprises an anti-corrosion frame, a cement board protective layer, a thermal insulation layer, a waterproof layer and a cement filling board are sequentially arranged in the anti-corrosion frame, a quick connection upper containing board is arranged on the anti-corrosion frame, and a quick connection lower raised head is arranged at the bottom of the anti-corrosion frame. A left connecting plate and a right connecting clamping plate are arranged on the anti-corrosion frame, protective outer nets are arranged on the two sides of the anti-corrosion frame, a plurality of sets of arc-shaped grooves are formed in the heat preservation layer, a plurality of sets of aluminized reflecting films are arranged on the arc-shaped grooves, the waterproof layer is sleeved with an expansion water stop strip, and a plurality of sets of breathable isolation cotton are clamped on the waterproof layer. According to the device, a polystyrene foam board with the thickness of 80-120 mm is adopted as the heat preservation layer, a plurality of sets of arc-shaped grooves with aluminized reflecting films are formed in the heat preservation layer, an ethylene waterproof roll with the thickness of 1.2-1.5 mm is selected as the waterproof layer, and an expansion water stop strip is arranged in a sleeving mode, so that a user can obtain heat preservation and waterproof performance.

The utility model belongs to the technical field of production of building materials, particularly relates to raw material proportioning equipment for processing heat-preservation and sound-insulation materials, and provides the following scheme aiming at the problems that the conventional tool for weighing the raw materials is low in automation degree, troublesome to operate and inconvenient to use: the raw material proportioning equipment comprises a bottom plate, the proportioning equipment comprises a bottom plate, four stand columns are symmetrically and fixedly installed at the top of the bottom plate, the same supporting frame is fixedly installed at the top ends of the four stand columns, a baffle is fixedly installed at the bottom of the supporting frame, the proportioning equipment further comprises a discharging mechanism, the discharging mechanism is installed on the supporting frame, and the discharging mechanism is used for containing raw materials for manufacturing foaming cement boards. According to the utility model, various raw materials can be automatically weighed, and the weighed materials can be moved out after the weighing is completed, so that the labor intensity of weighing the raw materials can be greatly reduced when the foaming cement board is produced, and the foaming cement board weighing device has good practicability.

The invention relates to the field of building materials, in particular to a light-weight high-strength prefabricated cement board material based on industrial solid waste recycling and a preparation method of the light-weight high-strength prefabricated cement board material. The invention relates to a lightweight high-strength prefabricated cement board material based on industrial solid waste recycling. The raw materials comprise ordinary Portland cement, active slag powder, ash, a reinforced fiber composition, a composite functional agent, water and the like. According to the cement board material provided by the invention, through scientific compatibility of various industrial solid wastes, efficient utilization of resources and environmental protection are realized, and meanwhile, by virtue of a unique organic polymer composite additive system, the internal structure of the material is remarkably improved, the mechanical property of the board is effectively enhanced, and on the basis of keeping the lightweight characteristic, the cement board material has a good application prospect. Excellent fracture resistance and crack resistance are obtained, long-term use durability and dimensional stability are ensured, and the composite material is suitable for the field of prefabricated building components with high requirements for performance.

This utility model discloses an automatic cutting device for cement board reinforced fiber mesh, including a worktable, a fiber mesh roll frame on one side of the worktable, and transverse moving devices on both sides of the worktable. A gantry mounting frame is provided on the top of the transverse moving devices. A rack and a first linear guide rail are respectively installed on the top and one side of the gantry mounting frame. An L-shaped mounting frame is slidably connected to one side of the first linear guide rail. A first servo motor is horizontally installed on the top of the L-shaped mounting frame. A gear is connected to the output end of the first servo motor, and the gear meshes with the rack. A second servo motor is vertically installed on the top of the L-shaped mounting frame. The output end of the second servo motor passes through the L-shaped mounting frame and is connected to a first flange mounting plate. A first cylinder is installed at the bottom of the first flange mounting plate. A second flange mounting plate is installed at the output end of the first cylinder. A cutting motor is installed at the bottom of the second flange mounting plate. A cutting tool is detachably connected to the output shaft end of the cutting motor.

The utility model provides an integrated fiber composite thermal insulation wallboard, which belongs to the technical field of building wallboards and comprises a thermal insulation layer, a metal frame and two fiber cement boards, the two fiber cement boards are respectively arranged on the upper surface and the lower surface of the metal frame to form a sandwich structure, and the thermal insulation layer is arranged on the inner side of the metal frame. The side length of the fiber cement board is larger than that of the metal frame, the center of the fiber cement board and the center of the metal frame are overlapped, and the edge of the fiber cement board and the edge of the metal frame form a sandwich type rabbet type clamping groove. The square metal frame is arranged, the square metal frame and the fiber cement board are integrally formed, when the fiber cement board and the metal frame are connected, connection is conducted in the mode that the metal frame is welded to the square metal frame, and the sealing performance between the metal frame and the fiber cement board is improved; moisture in air is prevented from entering the thermal insulation layer in the metal frame, a fireproof thermal insulation material in the thermal insulation layer is prevented from absorbing moisture, and the thermal insulation performance of the thermal insulation layer is guaranteed.

The utility model provides a pile cap brick tire film structure which is characterized in that a second concrete cushion layer is laid at the bottom of a foundation pit, prefabricated cement bricks are piled at the edge of the second concrete cushion layer, prefabricated cement plates are piled at the upper ends of the prefabricated cement bricks, and steel pulling pieces are arranged between the adjacent prefabricated cement plates in the horizontal wind direction. And self-tapping screws are arranged at the two ends of the steel pulling piece in a penetrating mode and matched with the prefabricated cement board. The prefabricated cement boards are used for replacing original prefabricated cement bricks, the construction speed and the overall stability of the brick blank film can be improved, and in addition, the connection strength between the prefabricated cement boards is ensured through the fixing mode of the steel pulling pieces and the self-tapping screws.

The application discloses a construction method for improving the strength of fiber reinforced cement boards and relates to the field of building construction; the construction method for improving the strength of fiber reinforced cement boards effectively solves the problems of easy loosening, edge warping and deformation of the board under the traditional single-board fixing mode, significantly improves the overall connectivity of the board and the keel and the anti-deformation capacity of the wall, and forms a double-board cooperative stress structure by connecting long U-shaped steel to the inner side of the fiber reinforced cement board joint and by jointly restraining the edges of the adjacent boards on the keel; meanwhile, the water-resistant flexible putty is filled and pressed into the glass fiber mesh belt at the joint of the outer board, which not only can offset the joint stress of the fiber reinforced cement board caused by dry shrinkage, wet expansion and temperature change, prevent the putty layer from cracking and rainwater leakage, but also avoids forming a rigid filling layer to hinder the normal pressure relief of the wall.

This utility model relates to the field of building facade reinforcement technology and discloses a wall insulation reinforcement mechanism. The mechanism includes a cement board with a cement adhesive for connection to the building wall on one side. An anti-deformation mechanism is also provided on one side of the cement board via an anchoring component. The anti-deformation mechanism includes two sets of extruded polystyrene (XPS) insulation boards on one side of the cement board. The XPS insulation boards have installation grooves on their outer sides, with trapezoidal cross-sections. After installing the two sets of XPS insulation boards, a polyurethane foaming agent is sprayed to fill and seal the joints. When temperature changes cause thermal expansion and contraction of the XPS insulation boards and shape memory polyurethane sealing strips, the deformation cavity within the shape memory polyurethane sealing strip provides buffering, preventing rigid compression cracking. The polyurethane foaming agent can slightly expand and contract to maintain the seal, solving the problem of joint cracking caused by temperature deformation of the insulation board.

The utility model provides a noise reduction cement board structure for temporary pavement protection, and relates to the field of temporary pavement protection. Comprising a cement board body, a plurality of first noise reduction holes are symmetrically and evenly formed in the two sides of the cement board body, sound absorption boards are fixedly connected to the inner walls of the first noise reduction holes, and second noise reduction holes are symmetrically formed in the lower portions of the two sides of the cement board body. According to the noise reduction cement board structure for temporary protection of the road surface, when a vehicle passes through the cement board main body, a buffer slope composed of a plurality of buffer blocks reduces shaking generated when the vehicle passes through the buffer slope, noise generated by the buffer slope is reduced, and noise generated by the upper portion of the cement board main body is absorbed through a sound absorption board in a first noise reduction hole; noise generated by shaking below the cement board main body is transmitted into the slotting opening through the second noise reduction holes and the sliding grooves, and the cement board main body is fixed in the slotting opening through the fixing assemblies, so that the stability of the cement board is improved, shaking generated when vehicles pass by is reduced, the noise generated when the cement board is used is reduced, and noise pollution is reduced.

The present invention is directed to processes for making cementitious construction material, in particular magnesium oxychloride (MOC) cementitious construction material (e.g., MOC boards). The processes relate to one or more operations of the overall material production process, including material storage and handling, mixing of materials, curing to form magnesium oxychloride cement, board handling, and / or packaging. Various processes of the present invention involve process control strategies and / or algorithms to provide improved processes for producing construction material. In particular, the processes of the present invention provide improvements in board properties as detailed below (e.g., racking strength), speed of board production, economics of board production, reduction in complexity of manufacture, improvements in consistency of board manufacture, and improvements in quality control.

A method for assembling a wall system to retrofit an existing panel and frame building assembly for a wall, floor or roof, including providing a sound damping building panel including a dense, fiber-reinforced, structural cementitious panel of fiber-reinforced cement, the dense, fiber-reinforced, structural cementitious panel having a first surface opposed to a second surface, and a layer of acoustic dampening material on the first surface of the dense, fiber-reinforced, structural cementitious panel; attaching the sound damping panel to an existing building panel attached to an existing frame for a wall, floor or roof, the existing building panel having an interior surface facing the frame and an exterior surface opposed to the interior surface. This locates the layer of acoustic dampening material between the exterior surface of the building panel and the first surface of the sound damping panel. A sound damping building panel is also provided.

The present application relates to a kind of inhibiting carbon mineralization fiber cement board deformation curing method and system, the curing method includes, according to the slab thickness, it is divided into outer layer, limited middle layer and inner layer from outer surface to inner;When there is no middle layer, after first carbonation curing to slab, to the overall slab of water wetting and drying again, so that the water content of outer layer meets the standard, to the final slab carbonation curing;When there is middle layer, after first carbonation curing to slab, to the overall slab of innermost middle layer wetting and drying again, so that the water content of innermost middle layer to outer layer meets the standard, subsequently after the slab of processing again carbonation curing, so repeat, according to the number of middle layer, from inside to outside in turn carbonation curing, finally to the outer layer of slab wetting and drying again, so that the water content of outer layer meets the standard, to the final slab carbonation curing.The present application can fundamentally eliminate the main stress source leading to the deformation of board, can significantly reduce the amount of warping deformation of board.

The utility model discloses a staged project basement outer partition wall construction structure which comprises a basement bottom plate, a first-stage outer wall, a second-stage outer wall mechanism, a first-stage top plate and a second-stage top plate, the second-stage outer wall mechanism is provided with a plurality of vertical keels arranged on the basement bottom plate, and the tops of the vertical keels are connected with the second-stage top plate. A plurality of supporting keels are evenly distributed on the side, facing the first-stage outer wall, of the vertical keel, the supporting keels are connected with the first-stage outer wall, and a plurality of horizontally-arranged transverse keels are evenly distributed on the other face of the vertical keel from top to bottom and are parallel to the first-stage outer wall. A cement board with the top and the bottom connected with the second-stage top board and the basement bottom board is fixed to the sides, away from the vertical keels, of the transverse keels, and the cement board, the transverse keels and the vertical keels jointly form a second-stage outer wall mechanism. The construction cost of the basement outer wall constructed by stages is greatly reduced, the leakage risk caused by differential settlement is reduced through the treatment of top plate connection, and the structure can be widely applied to underground construction.

The utility model relates to mould technical field, and disclose a kind of calcium silicate cement board production forming mould, comprising: base and two pieces of side stop, side stop is detachably connected with base and forms a frame body on the top of base, and casting cavity is formed inside frame body;Cooling structure, set in the inside of base for cooling base and cement board, cooling structure includes heat dissipation cavity, water inlet pipe and reflux pipe, heat dissipation cavity is opened in the inside of base, water inlet pipe and reflux pipe are fixedly connected with base and communicate with heat dissipation cavity, water inlet pipe is connected water source, by connecting water source to water inlet pipe, reflux pipe connects water pool, water pump can be set in water pool, water circulation is realized by water pump to water inlet pipe, radiator and other cooling components still need to be set in water pool, not repeated here, by the water of circulation, heat of base and cement board bottom is taken away, improve the heat dissipation speed of cement board bottom, inhibit cement board bottom heat accumulation, reduce the probability that cement board quality is influenced due to temperature difference too large.

This invention provides a method for manufacturing thin fiber-reinforced cement boards with excellent design qualities. [Solution] A method for manufacturing fiber-reinforced cement boards, characterized by preparing a raw material mixture consisting of 25.0-39.5% by mass of cement, 40.0-50.0% by mass of silica, 0-14.0% by mass of calcium carbonate as powder, 2.5-16.5% by mass of seashell granules, and 5.0-10.0% by mass of organic fibers, and then producing a cement slurry layer by adding a predetermined amount of water to the raw material mixture and laminating the resulting slurry layer onto a making roll.

The application relates to the technical field of building structures, and discloses a frame type wallboard structure. In the application, a frame body is composed of a plurality of edge frame sections on the outer side, a plurality of support sections are arranged in the frame body, a panel layer is arranged on the two sides of the frame body, and an adhesive is arranged between the frame body and the panel layer; the frame body and the support sections are made of high-strength lightweight alloy; the frame body is filled with heat preservation and insulation materials and sound insulation materials; the heat preservation and insulation materials are made of polyurethane foam or rock wool; the sound insulation materials are made of sound-absorbing cotton; the panel layer is made of fiber cement board; under the premise of ensuring the structural strength, the frame body and the support sections effectively reduce the weight of the wallboard, reduce the overall load of the building, facilitate transportation and construction, improve the construction efficiency, protect the internal structure through the panel layer, prolong the service life of the wallboard, have good decorative effect, and improve the aesthetic property of the building.

The present invention relates to a method for manufacturing a cement board from a cementitious paste comprising, based on the total dry matter, from 15 to 90 wt% of a reactive binder and from 10 to 80 wt% of fillers, and from 1 to 15 wt% of particles of cementitious hydrates material having a particle size from 500 to 2500 µm. The invention also relates to cement boards obtained by such process.

1. The name of the design product: building cover plate (pressurized fiber cement plate composite reinforced frame). 2. The use of the design product: cover plate for building. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

To provide a fire-resistant wooden structure that ensures fire resistance and offers excellent workability. [Solution] A fire-resistant wooden structure 1 used as a column or beam in a building comprises a wooden structural core 10 that supports the load, a first covering material 11 that covers the outer surface of the wooden structural core 10, and a second covering material 12 that covers the outer surface of the first covering material 11. The first covering material 11 contains organic fibers and has a water content of 6.0% or more derived from free water or crystal water, while the second covering material 12 has a water content of 3.0% or less derived from free water or crystal water. Furthermore, the first covering material 11 is made of either slag gypsum board or wood wool cement board, and the second covering material 12 is made of calcium silicate board.

The application discloses a high-pressure vacuum extrusion forming plate production equipment, and solves the problem that it is not easy to perform high-pressure and vacuum extraction on a forming cavity during cement plate production, thereby affecting plate quality, and comprises a fixed platform, a plate forming assembly is arranged at the top of the fixed platform, the plate forming assembly comprises a movable mold above the fixed platform, a forming cavity is formed in the movable mold, a sealing gasket is arranged on the bottom wall of the movable mold, when the sealing gasket at the bottom end of the movable mold is tightly attached to the top wall of the fixed platform, the forming cavity is sealed and plate forming can be performed, a feeding and discharging control unit is arranged at the top of the movable mold, and the feeding and discharging control unit is used for feeding and discharging control during plate forming; during work, the fixed cylinder is connected with the top of the forming cavity, the feeding, high-pressure forming and plate pushing and discharging after forming are completed through the movement of the pushing piston in the feeding and discharging control unit, and plate production is facilitated.

The utility model discloses a cement board reinforced fiber grid automatic press net device, including belt conveyor, and the belt surface of belt conveyor is provided with a plurality of cement mould, and the both sides of the rack top of belt conveyor are provided with reciprocating gear mechanism, and reciprocating gear mechanism includes the base of installation in the rack top of belt conveyor, and the both sides of base top are installed with optical axis, and the surface of two optical axes is fixedly connected with two gear frames through bolt, and the gear frame is provided with gear, and the center of gear is connected with rotating shaft, and the both sides of rotating shaft are rotatably connected with eccentric shaft coupling, and two gears are engaged, and the both ends of two rotating shafts are rotatably connected with connecting rod, and the both sides of two connecting rods are connected with connecting rod, and the bottom of connecting rod is connected with two connecting blocks, and the bottom of two connecting blocks is connected with press net board, and eccentric shaft coupling is connected with belt driving arrangement through drive shaft, effectively solve the problem of manual press net low efficiency, uneven quality, labour intensity.

In the present disclosure, a cement board is disclosed. The cement board comprises a core having a first surface and a second surface opposite the first surface and a binder including a pozzolan material and a water-resistant additive, wherein the water-resistant additive is present in an amount of less than 5 wt. % based on the weight of the pozzolan material.

The utility model provides a building cement board which comprises a transparent protective shell and a cement board body, the outer surface of the cement board body is wrapped and fixedly provided with the transparent protective shell, a cavity is formed in the transparent protective shell, and the cavity is filled with colored media; by means of the overall arrangement, the cement board can have a good decoration effect, the cement board can be protected when collision occurs, and meanwhile slag falling of the cement board can be avoided.

The utility model relates to the field of building material detection equipment, in particular to a performance detection device for ceramic tile glue. The utility model provides the performance detection device for the ceramic tile glue, which can detect the bonding strength of the ceramic tile glue before and after being soaked in water, can detect the flexibility of the ceramic tile glue and can improve the detection comprehensiveness. A performance detection device for ceramic tile glue comprises a test box, connecting frames and the like, and the front connecting frame and the rear connecting frame are connected to the inner sides of the left portion and the right portion of the test box. According to the utility model, the first electric push rod is started, the fixed plate is pushed to move downwards, a cement board and a tile are soaked in water, the bonding strength of the soaked tile glue is detected, and the flexibility of the tile glue is detected by replacing the U-shaped detection head to the connecting nut and pressing the U-shaped detection head downwards on a tile glue sample. The effects that the bonding strength of the tile glue before and after water soaking can be detected, the flexibility of the tile glue can be detected, and the detection comprehensiveness is improved are achieved.