257 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 invention relates to the technical field of submarine cables, and discloses an anti-scour structure for a submarine cable. According to the anti-scour structure, the installation body is directly installed on the outer side of the submarine cable, protection can be provided for the submarine cable, the elastic deformation body arching in the direction of the installation body is arranged, the elastic deformation body and the supporting part are arranged in the same plane after being pressed, and a plane negative pressure structure is formed; the submarine cable is fixed by adsorbing sand at the bottom, water flow scouring and external dragging force are effectively resisted, and compared with a traditional scheme that the burial depth is increased or a large-area cement board is used, the anti-scouring structure of the structure can achieve negative pressure adsorption, can be more tightly attached to the submarine topography, prevents sand loss, and improves the service life of the submarine cable. Large-scale excavation or laying on the seabed is not needed, the construction period is shortened, the construction cost and time are remarkably reduced, and the risk of missing the optimal construction window is reduced.

The utility model relates to the field of building construction, in particular to a basement bearing platform construction structure which comprises cement boards and a supporting structure, the cement boards are spliced to form side boards perpendicular to the ground, and a plurality of side boards are enclosed to form a required bearing platform shape; a supporting structure is arranged between the two opposite side plates; the supporting structure comprises a steel pipe, abutting plates and a sleeve, the abutting plates are movably arranged at the two ends of the steel pipe correspondingly, and the abutting plates are attached to the side plates; the sleeve is arranged between the abutting plate and the steel pipe and is in threaded connection with the steel pipe, and one end of the sleeve abuts against the abutting plate; after the cement boards are spliced to form the side boards, the abutting plates abut against the opposite side boards, and the sleeves are in threaded connection with the steel pipes, so that the sleeves can abut against the sides, away from the side boards, of the abutting plates, the sleeves are tightly attached to the side boards, the cement boards can be effectively supported, and damage caused by backfill soil impact is avoided; in addition, the width between the matched cement boards can be adjusted according to the length of the sleeve after rotation, and the adaptability is improved.

The utility model discloses a slope protection device for water conservancy and hydropower engineering, which relates to the technical field of water conservancy and hydropower engineering and comprises a gentle slope padding, a reinforcing partition wall is mounted in the gentle slope padding, the front surface of the gentle slope padding is of a step-shaped structure, and a cement board is mounted at the top of the gentle slope padding. The planting box and the gentle slope padding are installed to fix the cement board on the top, the stability of the cement board is guaranteed, the cement board supports the planting box on the top, the stability of the planting box is guaranteed, the bottom of the planting box is limited and supported through the fixing screws, and the stability of the fixing screws is guaranteed; fixing screws penetrate through the interiors of the cement boards and the gentle slope padding, the stability of the planting box is guaranteed, a user can conveniently install the planting box, when water above moves downwards, the water enters the planting box through a water inlet and is discharged through a water outlet, the water is conveniently discharged, soil is intercepted through the planting box, and the planting effect is improved. And the condition of water and soil loss of the slope protection is avoided.

The invention relates to the technical field of pole-mounted circuit breakers, and discloses a primary and secondary fusion pole-mounted circuit breaker, which comprises a shell and a supporting seat, the surface of the shell is rotatably connected with a supporting strip, the surface of the supporting strip is fixedly connected with a supporting ball, the supporting seat is provided with a supporting groove for the supporting ball to rotate, and the supporting ball is sleeved with an elastic ring; when the supporting ball is located in the supporting groove, and the elastic ring abuts against the groove wall of the supporting groove, the shell is fixed to the supporting seat, the supporting ball rotates in the supporting groove, the distance between the shell and the supporting seat can be adjusted, and the elastic ring abuts against the groove wall of the supporting groove, so that the elastic ring can limit rotation of the supporting ball in the supporting groove, and the supporting ball can be fixed to the supporting seat. Therefore, the possibility of shaking between the supporting ball and the shell is reduced, a worker rotates the supporting ball in the supporting groove, the angle between the shell and the supporting seat can be adjusted, and the situation that the use of the pole-mounted circuit breaker is affected due to the fact that the surface of the formed cement board is not horizontal is reduced.

The invention discloses integrated forming equipment for an assembled composite insulation board, which comprises a grid cutting device, a grid pressing device, an insulation board feeding device and an insulation board bearing device, and the insulation board bearing device is arranged at the lower end of one side of the insulation board feeding device; the grid cutting device, the grid pressing device and the insulation board feeding device are arranged on the same horizontal line, a first supporting frame is arranged at the lower end of the grid cutting device, the lower end of the grid pressing device and the lower end of the insulation board feeding device, a conveying belt is arranged at the upper end of the first supporting frame, and a plurality of cement board bearing boxes are arranged at the upper end of the conveying belt, made of soft materials and used for cyclic conveying on the conveying belt. The conveying belt is an ultra-long production line and is used for drying and processing the insulation board by adopting drying equipment subsequently; the device has the advantages that automatic operation is adopted, personnel operation is reduced, the traditional operation needs multiple persons to carry out manual placement operation at multiple stations, the placement size and precision cannot be guaranteed, and meanwhile, shutdown adjustment needs to be carried out when a problem occurs slightly.

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 present invention discloses a method for manufacturing UHPC components, which includes the following steps: (1) CNC foam mold carving: using CNC carving technology to realize the production of two foam molds in a 1:1 ratio of the template, one piece is processed to achieve a smooth surface of the foam mold, including visible seam strips, and is used for bottom mold remaking. The other piece is processed to achieve a smooth surface and is used for closing the cover plate; (2) cement board seed mold production: because the front texture of the template is a fine lychee surface (rough surface), the cement board is produced on the foam mold that requires bottom mold remaking using GRC technology, and after demoulding, the surface texture is achieved by sandblasting technology to achieve a rough surface effect. This method can ensure the accuracy and aesthetics of the component thickness and obtain a good double-sided effect. The surface texture is achieved through a silicone texture mold, the component is formed in one step, and the durability of the surface is guaranteed, solving the problems of insufficient compressive strength of UHPC, uneven settlement of the incorporated steel fiber, cracking of prefabricated products, and poor working performance of UHPC.

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 discloses a light floor support plate combining a strong rib steel mesh cement plate and a steel bar truss, which relates to the technical field of building materials and comprises a bottom plate, the steel bar truss and a limiting mechanism, a steel mesh is arranged in the bottom plate, a steel plate is arranged on the bottom plate, a mounting groove is formed in the steel plate, a guide groove is formed in the inner wall of the mounting groove, and the steel mesh cement plate is arranged in the guide groove. The limiting mechanism comprises a limiting block, a telescopic rod and a spring, the limiting block is connected into the guide groove in an embedded mode, and one end of the telescopic rod is fixedly connected to the inner wall of the guide groove. By arranging the limiting mechanism, the steel bar truss can be rapidly installed through the limiting effect exerted on the fixing block by the limiting mechanism, the overall operation is simple and convenient, the installation efficiency of the steel bar truss can be effectively improved, and the installation efficiency of the steel bar truss is improved by installing the steel bar truss in the mode. The problem that the installation effect is affected by deviation of the steel bar truss is solved, and the overall practicability is high.

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 utility model relates to a glass fiber cement board which comprises a glass fiber cement board body embedded with a metal plate, the metal plate is composed of a plurality of horizontal straight boards and corrugated boards, and the horizontal straight boards are provided with a plurality of vertical through holes distributed in the length direction of the horizontal straight boards. The corrugated plate is provided with a plurality of transverse through holes which are distributed in the length direction of the corrugated plate and transversely penetrate through the side wall of the corrugated plate. According to the glass fiber cement board, the effect of enhancing the horizontal impact resistance of the glass fiber cement board body is achieved by utilizing the corrugated shape of the corrugated board, and the distance H from the top edge to the bottom edge of the corrugated board is larger than the thickness of the horizontal straight board, so that the metal board can be used for producing the thick glass fiber cement board body; by arranging the vertical through holes and the transverse through holes, fusion connection in the transverse direction and the vertical direction can be provided for the upper cement layer and the lower cement layer of the glass fiber cement board body, so that the internal structural strength is higher, and the situations of fault and falling apart of the glass fiber cement board body are avoided.

The utility model discloses a cement foaming light partition board, which relates to the field of cement wallboards, and comprises foamed cement boards, two left and right adjacent foamed cement boards are connected through a butt joint mechanism, and two up and down adjacent foamed cement boards are connected through a reinforcing mechanism; the butt-joint mechanism comprises a butt-joint groove formed in one side of the foamed cement board in a pouring mode and further comprises a butt-joint block formed on the other side of the foamed cement board in a pouring mode, and the cross section of the butt-joint block is smaller than that of the butt-joint groove. The cross section of the butt joint block and the cross section of the butt joint groove are each of an isosceles trapezoid structure. According to the utility model, the butt joint mechanism and the reinforcing mechanism are arranged, so that the foam wall bodies which are spliced left and right and the foam wall bodies which are overlapped up and down can be effectively reinforced, the connection strength between the foam cement boards is further improved, and the strength of the manufactured wall bodies is improved.

The utility model provides an external wall panel forming device, which relates to the technical field of external wall panel forming, and comprises a support frame, a transverse plate, a side plate, a groove, a sliding sleeve, a sliding plate, an extension plate, a connecting rod, a cavity, an air cylinder and an ejection mechanism, one side, close to the upper surface of the side plate, of the folded plate is provided with a slope, the other end of the folded plate is rotationally connected with the side plate, the device further comprises an elastic piece arranged on the outer surface of the side plate, and the folded plate is bound on the outer surface of the side plate through the elastic piece. And after the air cylinders complete stretching and retracting actions, the fiber cement boards can be separated from the side plates and the transverse plates in sequence, and the cement boards are lifted from the interiors of the grooves to the positions above the grooves through the folding plates, so that workers can conveniently transfer the cement boards out, the taking-out efficiency and convenience of the fiber cement boards are improved, and the use effect is good.

This application relates to a construction method for splicing joints between new and old roadbed base courses, belonging to the technical field of new and old roadbed splicing construction. It includes the following steps: S1: Marking the location of the road splice joint; S2: Removing the cement slab within the shoulder area of ​​the old road surface and laying an asphalt layer on top; S3: Excavating steps at the joint of the old road surface to facilitate lateral splicing with the new road surface; S4: Laying a subbase and base course; S5: Pouring a concrete layer at the joint between the new and old road surfaces and reinforcing it with a reinforcement mechanism to improve the connection strength between the new and old road surfaces; then laying the base course; S6: Laying the asphalt surface course. This application has the effect of extending the service life of the old road surface.

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.

The invention relates to a desert-to-forest cement grid hole one-tree one-hole method. The method is characterized in that a'desert global bulldozing type 'cement flat ground or a'desert ladder bulldozing type' cement flat ground (the'desert ladder bulldozing type 'cement flat ground is similar to a terraced field) is constructed in the global or partial area of the super large desert (such as the Taxlamay desert), a plurality of'cement grid holes' are formed in the cement flat ground, and each tree occupies one hole; all the cement holes are solidified into cement plate connected holes (instead of isolated holes of a bean curd plate) by means of a reinforced concrete pouring method; the cement plate blocks can protect underground root systems of thousands of old trees like a mountain so as to stand still (the situation that the old trees cannot stand when the old trees are too tall); a cement bank is arranged on the outermost periphery of the cement flat ground so as to realize a shallow-bottom cement pond (super sightseeing forest park) in which fishes are welcomed under green shade trees and hang; alternatively, when people walk on the wet land, the foot sole does not collapse (a super insurance type forest park), and even if a pit or collapse exists underground, cement on the ground is still firm and flat (so that the flood control level is improved to one hundred years or thousands of years).

To provide treads and the like that can prevent corrosion of reinforcing materials and prevent insufficient strength. [Solution] The step board 5A according to the present invention is a step board comprising a rectangular molded cement board 51, a reinforcing material 52, and a moisture intrusion prevention material (backup material 81, 82, sealing agent 83), wherein the molded cement board 51 has a plurality of hollow portions 53 that are continuous across the left and right end faces and are provided at predetermined intervals along the front-rear direction of the molded cement board 51, the reinforcing material 52 is formed to a length shorter than the length of the hollow portions 53 formed in the molded cement board 51 and is installed in one or more hollow portions 53, and the moisture intrusion prevention material is provided between the outer peripheral surface 52s of the end of the reinforcing material 52 installed in the hollow portion 53 and the inner peripheral surface 53u of the end of the hollow portion 53.

The utility model discloses a fiber reinforced cement board carrying device, and relates to the technical field of building board carrying, the fiber reinforced cement board carrying device comprises a bearing frame and a rotating shaft, the rotating shaft is rotatably arranged on the bearing frame, and the outer side of the rotating shaft is fixedly provided with a bearing piece used for supporting a cement board; and the positioning piece is arranged at one end of the rotating shaft to limit the rotating angle of the rotating shaft, so that the bearing piece is in a stable state. The cement board is placed on the bearing part, under the cooperation of the limiting baffles, the cement board is fixed, then transportation of the cement board in a small space is facilitated, the included angle between the bearing part and the horizontal plane is changed by controlling the rotating angle of the rotating shaft, and therefore the included angle between the cement board and the horizontal plane can be conveniently adjusted; and then discharging of the cement boards can be conveniently controlled.

The invention relates to micro-expansive cement and a preparation method thereof, and belongs to the technical field of cement material preparation. The micro-expansive cement disclosed by the invention is prepared from the following raw materials: cement clinker, low-calcium fly ash, an expanding agent, modified carbon fibers, polyether ester elastic fibers and gypsum. The silicon dioxide is uniformly wrapped on the surface of the carbon fiber through a gas phase precipitation method to form a stable core-shell structure which can be uniformly and stably dispersed in cement slurry, the modified carbon fiber is added to limit the expansion rate of mortar, reduce the porosity and improve the compactness and strength of the cement board, and the modified carbon fiber is matched with the polyether ester elastic fiber with higher elongation to improve the strength of the cement board. The micro-expansive cement with strong crack resistance is obtained.

The utility model belongs to the field of cement hardness detection, and particularly relates to a cement hardness detection device convenient to operate, which comprises a fixing sleeve, two symmetrically distributed sliding frames are connected in the fixing sleeve in a sliding manner, sliding blocks are fixedly connected to the inner sides of the vertical parts of the sliding frames, and clamping shells are connected to the outer sides of the sliding blocks in a sliding and sleeving manner. The upper end of the horizontal part of the sliding frame is fixedly connected with a linkage piece, the linkage piece penetrates through the fixing sleeve and is in sliding connection with the fixing sleeve, the interior of the linkage piece is in threaded connection with a two-way screw rod, and the bottom of the fixing sleeve is fixedly connected with a support. A fixing sleeve is arranged, a support is arranged below the fixing sleeve, an adjusting rod moving relative to the support in a threaded mode is arranged in the support, a bottom plate is arranged at the tail end of the adjusting rod and guided to ascend and descend through a guide rod, and a marking knife is arranged at the bottom of the bottom plate, so that different height positions of the marking knife are controlled; the hardness of the cement board under different pressures can be detected, and the operation is simple and convenient.

The invention discloses a competition swimming pool external corner reinforcing structure and a construction method, belongs to the technical field of swimming pool construction, and aims at solving the technical problems that a traditional swimming pool external corner is prone to cracking and water seepage, the reinforcing structure is single, and real-time monitoring is lacked. The construction method comprises the following steps: prefabricating the L-shaped composite reinforcing unit containing the modified EVA buffer layer, the galvanized steel plate, the elastic epoxy bonding layer, the reinforced cement plate and the pre-embedded fiber grating sensor; the swimming pool concrete inner wall of the pre-embedded external corner cold-rolled ribbed reinforcing mesh is poured; a polymer cement mortar leveling layer with external corners pressed into fillets and a polyurethane waterproof coating and SBS coiled material double-layer waterproof layer are constructed; the L-shaped composite reinforcing unit is embedded through laser positioning, a seam is sealed, and a sensor is debugged; and the waterproof mortar layer and the anti-skid ceramic tile surface layer are constructed. The anti-seepage, anti-impact and anti-fatigue capacities are improved through a multi-layer cooperative reinforcing system, active protection is achieved in combination with real-time stress monitoring, the service life of the external corner of the competition swimming pool is effectively prolonged, and the method is suitable for construction of professional competition swimming pools.

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 invention belongs to the technical field of building materials, and particularly relates to filler of a light calcium silicate cement board and a preparation method of the filler. According to the invention, carboxyl modified activated carbon is used for impurity removal treatment, a mesoporous material is used for purification treatment, benzene ring-containing polyacrylamide is introduced, and a coaxial electrostatic spraying molding process is matched, so that the whiteness of the calcium silicate filler is effectively increased, the stacking density is reduced, and a relatively high specific surface area can be obtained.

A production line (10) and a process including a movable carrier frame (14) for transporting the panel, and a device (93) for controlling the thickness of a fiber-reinforced cementitious panel grout formed, but not yet set, on the frame. The thickness control device (93) may include an angled rigid plate (95) for contacting a downstream end (202) of the angled plate (95) with the grout on the movable carrier frame (14) and a mounting bracket (97) for mounting the angled rigid plate (95). The thickness control device (93) may also include a flat horizontal plate (201) at a fixed height above the movable carrier for contacting the entire underside surface of the horizontal plate (201) with a coating (444) in the grout on the movable carrier frame (14).Or, the thickness control device (93) may include the angled plate (93) and include the horizontal plate (201) that comes into contact with the coating (444).