374 results about "Cement board" patented technology

The invention discloses a fiber cement board production line information big data system and method, and the method employs a data processing and analysis algorithm based on artificial intelligence and deep learning to carry out the time sequence feature analysis and fine-grained time sequence feature response correlation coding of real-time temperature, real-time humidity, real-time viscosity and real-time stirring speed. In this way, time sequence fine-grained response interaction characteristics between the temperature, humidity and viscosity and the stirring speed in the stirring process are learned and captured, and time sequence reasoning of stirring speed control is carried out through Bayesian posterior probability calculation among the time sequence fine-grained response interaction characteristics of the temperature, humidity and viscosity in the stirring process, so that the stirring speed value of the next time point is determined. And generating an adjusting instruction. In this way, intelligent control over the stirring process of fiber cement board production can be achieved, and the stability and uniformity of the stirring process can be guaranteed.

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 invention discloses an automatic synthesis method for airport cement pavement plates based on intersection rectangle verification. The method comprises the following steps: S1, identifying slab joints in an airport cement pavement image based on a semantic segmentation algorithm; s2, according to the GPS information of the image, converting the board seam line segments to a GPS coordinate system, and merging and removing outlier line segments; s3, calculating an intersection point between the mutually vertical plate seam line sections; s4, combining into quadrangles according to the intersection points, and performing rectangle verification on the quadrangles to merge into plates; and S5, clustering is carried out according to the diagonal length of the plate, and the special-shaped plate is removed. The method has the beneficial effects that the plate drawing efficiency can be greatly improved by identifying the plate joints in the cement pavement image, extracting the plate joint line sections, calculating the intersection points, combining the quadrangles according to the intersection points, and performing rectangle verification on the quadrangles and combining the quadrangles into the plate, compared with manual drawing of the airport cement plate.

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 invention discloses a fiber reinforced cement board forming device which comprises a separation assembly, the separation assembly is arranged on a base, the separation assembly comprises a plurality of insertion plates and springs arranged between the adjacent insertion plates, and the insertion plates are embedded in gaps between the adjacent templates when a pressing plate is pressed and formed; after the pressing plate is lifted, the springs deform to increase the distance between the adjacent inserting plates, and the fiber cement plate and the formwork are separated. A vertical rod is arranged on the base, the inserting plate is movably arranged on the vertical rod, and the inserting plate can move in the axial direction of the vertical rod. Through the arranged separation assembly, when or after the alternately stacked fiber cement boards and the formworks are pressed, rapid pre-separation between the alternately stacked fiber cement boards and the formworks can be achieved, so that the separation efficiency of the fiber cement boards and the formworks is improved, the next production stage is rapidly started, and the production efficiency of the fiber cement boards and the formworks is improved. The production efficiency of the fiber cement board is improved.

The invention provides a building integrated photovoltaic panel curtain wall installation construction method, and belongs to the technical field of photovoltaic panel curtain wall construction, and the building integrated photovoltaic panel curtain wall installation construction method comprises the steps that the surface of an embedded part is cleaned; a three-dimensional coordinate control system is used for measuring, setting out and positioning; a heat insulation cushion block is installed between the consolidation piece and the adapter piece, and foam glue is applied in a gap to insulate heat loss; mounting and adjusting the adapting piece, and firmly positioning and connecting the adapting piece and the consolidation piece; the vertical keels and the transverse keels are installed and connected in a welding mode; constructing a thermal insulation layer, and fixing the fiber felt composite rock wool board by using a special thermal bridge breaking rock wool anchor bolt; cement boards are installed and fixed, and weather-proof sealant is injected into joints; a photovoltaic curtain wall system rooting supporting steel framework is installed, and the optimal supporting structure layout is calculated through an optimization algorithm so that the stability and the bearing capacity of the whole structure can be ensured; a photovoltaic panel unit plate is installed, a photovoltaic panel circuit and a control device are connected, system debugging is carried out, and the problem that in the prior art, the optimization degree is not enough due to experience is solved.

The invention discloses a carbon emission reduction calculation method and system for industrial solid waste recycling. The carbon emission reduction calculation method comprises the following steps: replacing part of natural aggregate with industrial solid waste phosphogypsum to prepare a fiber reinforced cement board, and determining the blending proportion of the industrial solid waste phosphogypsum through a mix proportion test; calculating the blending mass of the industrial solid waste phosphogypsum; obtaining a carbon emission factor of the replaced natural aggregate, and calculating a carbon emission factor of the industrial solid waste phosphogypsum; and calculating the carbon emission reduction generated by the industrial solid waste phosphogypsum by adopting a carbon emission factor method. According to the method, the problems of lack of a carbon emission accounting method and poor calculation precision in current industrial solid waste resource utilization are solved, the carbon emission factor value is more reasonable, the carbon emission accounting result is more accurate, and carbon emission reduction and economic benefit achievement statistical analysis of industrial solid waste recycling are facilitated.

The utility model discloses a dismantling-free formwork and a composite floor slab made of the dismantling-free formwork, the dismantling-free formwork is mainly composed of a prefabricated base plate, the prefabricated base plate is a concrete plate / or a cement plate / or a calcium silicate plate with fibers distributed inside, a plurality of connecting grooves and a plurality of nicks are machined on the upper surface of the prefabricated base plate, and the connecting grooves are connected with the nicks. And a plurality of fibers extend out of each nick. The composite floor slab comprises the non-dismantling formwork and a cast-in-place concrete layer poured on the non-dismantling formwork, a reinforcing mesh is arranged in the cast-in-place concrete layer, the connecting grooves and the nicks are filled with part of concrete at the bottom of the cast-in-place concrete layer, and the fiber filaments extending out of the base plate are condensed in the cast-in-place concrete layer along with pouring of the concrete. According to the non-dismantling formwork, it can be guaranteed that the laminated surfaces are stably connected, reinforcing steel bars / reinforcing steel bar trusses are omitted, and reliable connection between the non-dismantling formwork and a cast-in-place concrete layer is achieved through the non-dismantling formwork on the condition that the non-dismantling formwork is not connected with the cast-in-place concrete layer through the reinforcing steel bars.

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 relates to the technical field of building decoration, in particular to a damping and noise-reducing supporting structure for an indoor floor rostrum / stage. The structure comprises a keel, a reinforced fiber cement board located on the keel, a surface layer material laid on the reinforced fiber cement board and stand columns supporting the keel to form a three-dimensional frame structure, and rubber filler strips are arranged between the keel and the reinforced fiber cement board. The stand columns are fixed to a building / ground through steel plates, rubber cushion blocks are arranged between the steel plates and the building / ground, and the steel plates and the rubber cushion blocks are fixed to the building / ground through expansion bolts. By arranging the rubber filler strips and the rubber cushion blocks, a double-damping and noise-reducing structure is formed, a sound bridge is blocked, and the structure is safe, convenient to construct, low in manufacturing cost and high in adaptability.

The utility model discloses a prefabricated part die for cement board production, which belongs to the field of cement board production and comprises a base, a die fixedly connected to the top of the base, a plurality of round rods movably connected between the inner walls of the die, a pressing mechanism arranged above the die, and a driving mechanism arranged on one side of the die. The driving mechanism comprises a first power assembly and a second power assembly, the first power assembly is used for driving the round rods to move, the second power assembly is used for driving the round rods to rotate, and a linkage assembly is arranged between the first power assembly and the second power assembly. The device has the beneficial effects that the driving mechanism is arranged and comprises the first power assembly and the second power assembly, so that a round rod is pulled outwards while rotating, the resistance between the round rod and a cement board is reduced, the round rod is conveniently separated from the cement board, and meanwhile damage to the cement board is reduced; and the linkage assembly is arranged between the first power assembly and the second power assembly, multiple purposes are achieved through the linkage assembly, and the resource utilization rate is increased.

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 the technical field of wall bodies, and discloses a fabricated building wall body structure which comprises a wall body formed by splicing a plurality of groups of wall plates, transverse reinforcing steel bars and longitudinal reinforcing steel bars are laid between the wall plates, and cement is poured between the wall plates; the wallboard comprises two cement boards connected through two connecting beams, the two connecting beams are provided with grooves used for containing transverse steel bars, and the middle portions of the connecting beams are provided with holes used for allowing longitudinal steel bars to be inserted therein. According to the fabricated building wall structure, the wallboards are spliced through a fabricated method, then the gaps between the wallboards are embedded with the steel bars and filled with the concrete, and therefore the formed wall is firm and convenient to assemble.

The present disclosure is generally directed to toilet equipment, and more particularly to a toilet lid and seat that comprises fiber reinforced cement board, fiber reinforced calcium silicate board or sintered stone. In an embodiment, a toilet lid or seat includes a core structural layer having a shape and size associated with the toilet lid, and having a first surface and a second surface opposite the first surface, wherein the core structural layer comprises fiber reinforced cement board or fiber reinforced calcium silicate board. In another embodiment, a toilet lid includes a core structural layer having a shape and size associated with the toilet lid, and having a first surface and a second surface opposite the first surface, wherein the core structural layer comprises sintered stone.

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 relates to the technical field of hotels, and specifically to a moisture-proof wood veneer structure for hotels, comprising vertical keels and transverse keels, and also comprising wood veneer components, wherein the wood veneer components comprise European pine boards, fiber cement boards, curing layers and auxiliary components, wherein the European pine boards are respectively connected with the vertical keels and the transverse keels, the fiber cement boards are connected with the European pine boards, the curing layers are connected with the European pine boards, and the auxiliary components are arranged on the European pine boards, and both sides of the entire wall can be waterproofed by the fiber cement boards and the curing layers, thereby preventing the independent toilets in the guest rooms from seeping into the wall corners of the guest rooms after the hotel is operated for a long time, thereby preventing the water from contacting the wood veneer in the guest rooms to cause mold or blackening.

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.