16 results about "Fibre cement" patented technology

This utility model discloses a crack-resistant and reinforced autoclaved aerated concrete (AAC) wall panel, comprising an AAC layer composed of a mixture of fiber and concrete. The AAC layer contains three layers of mesh fiber cement reinforcement distributed from top to bottom. A first concave arc-shaped fiber cement reinforcement is positioned between the upper and middle layers, and a second concave arc-shaped fiber cement reinforcement is positioned between the middle and lower layers. The first and second arc-shaped fiber cement reinforcements are symmetrically distributed about the middle layer of mesh fiber cement reinforcement. This utility model improves the overall strength and compressive strength of the wall panel, reduces the risk of cracking, and extends the service life of the wall panel.

The utility model relates to the technical field of fiber cement flat plates, in particular to a novel fiber cement flat plate connecting structure which comprises two first connecting assemblies, the left end and the right end of each first connecting assembly are each fixedly connected with two supporting screw rods, and the two supporting screw rods are fixedly connected with the left end and the right end of each first connecting assembly. The left ends and the right ends of the two first connecting assemblies are each sleeved with a cement flat plate structure, the ends, not in contact with the first connecting assemblies, of the two transverse cement flat plate structures are each sleeved with a second connecting assembly, and the outer surfaces of the multiple supporting screws are each sleeved with a nut. The opposite ends of the two transverse second connecting assemblies are fixedly connected with two supporting blocks, and the front ends of the two adjacent supporting blocks jointly penetrate through a connecting screw in a penetrating mode. The first connecting assembly comprises a first supporting plate. According to the novel fiber cement flat plate connecting structure, through the arrangement of the first connecting assembly and the second connecting assembly, a plurality of fiber cement flat plates can be connected together.

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 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.

This invention discloses a modified bamboo fiber cement-stabilized crushed stone and its preparation method, belonging to the technical field of road engineering construction materials. The material consists of fully graded crushed stone, 65-95 parts of 42.5 grade ordinary Portland cement, 3-7 parts of modified bamboo fiber, and 110-140 parts of water. The core innovation lies in using a composite modification process of "acid-base coupling etching + silane coupling agent coating" to treat the bamboo fiber, solving the problems of poor interfacial compatibility and easy agglomeration and degradation between natural bamboo fiber and cement-based materials. The material prepared by this invention exhibits a 28-day splitting strength 14.6%-41.5% higher than traditional cement-stabilized crushed stone, with a drying shrinkage coefficient controlled at 1.7×10⁻⁴ / ℃-2.1×10⁻⁴ / ℃ and a thermal shrinkage coefficient controlled at 2.8×10⁻⁵ / ℃-3.5×10⁻⁵ / ℃, realizing the resource utilization of bamboo waste. It is suitable for semi-rigid base and subbase layers of highways at all levels, especially suitable for heavy-load roads and highway construction in cold regions.

This utility model relates to the field of fiber cement flat panel technology, and more particularly to a spliced ​​fiber cement flat panel, comprising a cement flat panel body, a first connecting side plate fixedly connected to the right end of the cement flat panel body, a first connecting piece fixedly connected to the left end of the cement flat panel body and cooperating with the first connecting side plate, a second connecting side plate fixedly connected to the lower end of the cement flat panel body, with the right part of the second connecting side plate extending to the lower end of the first connecting side plate, and a second connecting piece fixedly connected to the upper end of the cement flat panel body and cooperating with the second connecting side plate. The spliced ​​fiber cement flat panel of this utility model not only enables multi-directional expansion connection of fiber cement flat panels, providing a firm and stable splice that effectively avoids misalignment and cracking, but also employs a secondary locking mechanism with a plug and positioning hole, further enhancing connection strength and vibration resistance, significantly improving installation efficiency, structural safety, and ease of maintenance.

This invention provides fiber cement products, such as roof tiles, with improved impact and hail resistance, and methods for preparing these fiber cement products. These fiber cement products include: cement; optional fillers; reinforcing fibers, such as poly(vinyl alcohol) fibers or a mixture of cellulose fibers and synthetic fibers; one or more core-shell aqueous emulsion polymers having a crosslinked rubber core and at least partially grafted acrylic or vinyl shell polymers, the crosslinked rubber core having a calculated glass transition temperature (calculated Tg) of -20°C to -140°C, and the at least partially grafted acrylic or vinyl shell polymer having a calculated Tg of 20°C to 170°C and a Z-average primary particle size of 55 nm to 800 nm or preferably 140 nm to 650 nm. The solid weight ratio of the crosslinked rubber core to the shell of the core-shell aqueous emulsion polymer can range from 85:20 to 97:3.

The utility model discloses a fiber cement board splicing reinforced structure, it includes the multiple mounting hole of being set up in the both sides of wallboard body, the inner chamber fixedly connected with fixed sleeve of wallboard body right side mounting hole, the inner chamber fixedly connected with fixed part of wallboard body left end mounting hole, the surface fixedly connected with multiple same antiskid ring of fixed part, the back of wallboard body is provided with a plurality of longitudinal main ridge. The utility model discloses through placing two adjacent wallboard body together, makes fixed sleeve and fixed part fixedly connected in the both sides of wallboard body respectively, promotes one of wallboard body, makes two wallboard body opposite movement, makes antiskid ring enter the inner chamber of fixed sleeve, can reach the connection of multiple fiber cement board through the clamping structure, avoids the fiber cement board and cracks because of the dislocation of settlement and leads to splicing, has improved the firmness of fiber cement board connection.

The utility model provides a kind of slide of mountain terrain tackle, including chassis, fibre cement board is laid on chassis, and fibre cement board and the junction of chassis is provided with multiple bonding adhesive strips, adjacent bonding adhesive strip is spaced, fibre cement board is connected by screw, and the end surface between adjacent fibre cement board is provided with inverted T-shaped steel, and inverted T-shaped steel is fixedly connected with chassis.The utility model is connected by the cooperation of bonding adhesive strip, screw and inverted T-shaped steel, and the stability of fibre cement board and chassis is ensured.

This invention discloses a construction method for building vertical walls of steel structure fiber cement board flower beds. When hoisting fiber cement board flower beds A and B, the hoisting equipment lifts them from one side of the road. Fiber cement board flower beds A and B can be distributed to the inner and outer sides through the spacing between steel columns A, B, and C. Simultaneously, a top steel plate presses down on the top of steel columns A, B, and C to form a stable whole, ensuring that fiber cement board flower beds A and B do not sway during hoisting and lowering. This solves the problem in the prior art where, when the exterior wall is a solid structure, it is impossible to hoist fiber cement board flower beds from one side of the exterior wall to the inner and outer sides for installation.

The application discloses a modified organic fiber material and a preparation method and application thereof.The modified organic fiber material comprises an organic fiber and a calcium silicate hydrate layer on the surface of the organic fiber.The modified organic fiber material has the calcium silicate hydrate layer on the surface, can form a chemical compatible interface layer with a cement hydration product, significantly improves the interface bonding force between the fiber and the cement matrix, and improves the interface bonding performance of the fiber / cement matrix.The modified organic fiber material is used in a fiber reinforced cement-based composite material, improves the fiber pull-out strength, makes the fiber not easy to be pulled out and not easy to slip, has a good fiber reinforcing effect, significantly improves the crack resistance of the cement-based composite material, has good durability of the composite material, and can meet the reliability and industrial application requirements of the high-performance cement-based composite material under long-term service conditions.

The utility model discloses a kind of fibre cement-based material shearing force testing devices, belong to shearing force test technical field. Including pedestal, the four corners of pedestal upper surface are all fixedly connected with pillar, the upper surface of the pillar is fixedly connected with top plate, the upper surface of the top plate is provided with driving mechanism, the middle part of the inner side of the pedestal is provided with clamping mechanism. The fibre cement-based material shearing force testing device is driven when testing by driving mechanism, sliding plate drives tooth plate to move downwards, makes gear rotate, is shielded and protected by supporting rod to drive first protective plate to test area, prevent sample from breaking and causing accidental injury to personnel during testing process, guarantee the performance of testing operation, it is convenient to use, and safety performance is high, after sample testing, driving mechanism is reset upwards, two groups of first protective plate are relatively opened, convenient for taking and placing test sample, increase the convenience of use.

This utility model relates to the field of building construction, and in particular to a high-efficiency splicing device for fiber cement composite decorative panels. It includes connecting columns, ground rails, bottom decorative panels, and middle decorative panels. A wall is connected to the upper rear side of the floor, and a connecting column is installed on the front right side of the wall. Two ground rails are installed at the rear of the floor, each with a left and right bottom decorative panel slidably engaged. A middle decorative panel is placed on each bottom decorative panel, and the rightmost bottom and middle decorative panels are engaged with the connecting columns. This utility model installs multiple ground rails, using pins and fixing screws to splice and fix the middle and bottom decorative panels. The spliced ​​bottom and middle decorative panels are then installed. This allows for simultaneous splicing of the ground rails and fixing of multiple decorative panels, simplifying operation, facilitating panel installation and fixing, improving installation efficiency, and providing convenience.