CN108425446A - A kind of lightweight cypress plate plank - Google Patents

Abstract

The invention discloses a light-weight cypress board, which comprises a light heat-insulating and heat-insulating filling core material and a steel stress skeleton wrapped inside or outside the light heat-insulation and heat-insulation filling core material; the steel stress skeleton includes two transverse main Stress frame and two longitudinal main frame; the two ends of two parallel transverse main frame are connected with longitudinal main frame, and the transverse main frame and longitudinal main frame are set There are multiple secondary stress frames in the middle, and steel mesh is welded between the steel frame frames. There are hoisting pieces with hoisting openings at the junction of the top of the steel frame frames, and each lateral main frame frame is equipped with a plate and There are multiple embedded parts connected between the plates, and the connecting plate used to balance the thickness of the protective layer of the steel at the bottom of the plate and the connection between the plate and the steel beam is set at the junction of the bottom of the transverse main force frame and the longitudinal main force frame. The plate reduces the production cycle and purchase cost, and improves work efficiency.

Description

A lightweight cypress board

technical field

The invention relates to a building board combined with a steel material and a light-weight thermal insulation filling core material, in particular to a light-weight cypress board.

Background technique

At present, the materials used for prefabricated roofs, floors and wall enclosures on the market mainly include prestressed concrete roof panels ("1.5m×6.0m prestressed concrete roof panels" (04G410)), prestressed concrete hollow slabs "prestressed concrete roof panels" Stressed Concrete Hollow Slab" (93G436-1), etc. Prestressed concrete roof slabs and prestressed concrete hollow slabs are prefabricated reinforced concrete slabs using prestressed steel bars. These two boards have the disadvantages of heavy weight, long production cycle, no heat preservation, not conducive to earthquake resistance, large amount of structural steel, and high transportation costs.

Contents of the invention

In order to solve the above technical problems, the present invention provides a lightweight cypress board, which has the functions of load bearing, light weight, durability, fire prevention, waterproof, heat preservation, sound insulation, pressure relief, comfort, and convenient installation. The shape is flexible, and it can be disassembled freely after installation, which is conducive to repeated use; at the same time, the board can be made into a whole board according to the size requirements of the site, especially when used on the inner and outer walls of buildings, the board can greatly reduce the risk of wall cracks and realize overall hoisting. It can greatly reduce the labor cost of vertical transportation and on-site wet operation, reduce the production cycle and purchase cost, and improve work efficiency.

The present invention is realized through the following technical solutions:

A lightweight cypress board, including a lightweight thermal insulation filling core material and a steel stress skeleton wrapped inside or outside the lightweight thermal insulation filling core material; the steel stress skeleton includes two transverse main stress skeletons and Two longitudinal main stress frames; two parallel transverse main stress frames are connected between the two ends of the longitudinal main force frame, and there are multiple intermediate frames between the transverse main force frame and the longitudinal main force frame For the secondary stress frame, steel mesh is welded between the steel stress frames, and a hoisting piece with a hoisting port is provided at the junction of the top of the steel stress frame. There are many embedded parts, and the joints between the main transverse main frame and the bottom of the longitudinal main frame are provided with connecting plates to measure the thickness of the protective layer of the steel at the bottom of the slab and the connection between the plate and the steel beam.

The steel materials of the described transverse main stress frame, longitudinal main stress frame and middle secondary stress frame include steel bar and angle steel combination frame, C-shaped steel, square pipe, I-beam or channel steel, steel materials of steel stress frame connected as a whole by welding.

When the steel stress frame is a steel bar and angle steel composite frame made of steel, the reinforcement mesh is welded on the steel bar and angle steel composite frame chord or web reinforcement; or, when the steel stress frame is C-shaped steel, the reinforcement mesh is welded On the C-shaped steel web or flange; or, when the steel frame is a square tube, the steel mesh is welded on the side of the square tube; or when the steel frame is an I-beam, the steel mesh is welded on the I-shaped steel web On the plate or flange; when the steel frame is channel steel, the reinforcement mesh is welded on the channel steel web or flange.

The reinforcing mesh is a single-layer, double-layer or multi-layer reinforcing mesh, including transverse reinforcing bars and longitudinal reinforcing bars, and the transverse reinforcing bars and longitudinal reinforcing bars are integrated by welding.

The material of the lightweight thermal insulation filling core material is a lightweight filling material, and the lightweight thermal insulation filling core material includes foamed cement core material, cement and polystyrene particle composite core material, perlite cement composite core material and Ceramsite cement composite core material, and polystyrene board, polyethylene extruded board, polyurethane foam, phenolic foam, glass wool, rock wool, airgel felt, etc. The lightweight thermal insulation material further improves the thermal insulation performance of the board itself.

A thermal insulation layer is also provided in the lightweight thermal insulation filling core material.

The heat insulation layer is made of light heat insulation materials, which include polystyrene board, polyethylene extruded board, polyurethane foam, phenolic foam, glass wool, rock wool or airgel felt .

The thickness direction of the lightweight cypress board adopts an upper wedge-shaped, rectangular or mortise-and-mortise structure.

The surface of the lightweight cypress board is coated with a waterproof film or a waterproof sheet.

Compared with the prior art, the present invention has the following beneficial technical effects:

The lightweight cypress board provided by the invention can be made into an integral board according to the size requirements on site, especially when used on the inner and outer walls of buildings, the board can greatly reduce the risk of cracks in the wall, realize overall hoisting, and greatly reduce vertical transportation Compared with the prestressed concrete slab, it has a small weight and is easy to install; it has functions such as light weight, durability, anti-corrosion, energy saving, and aesthetics; the product can be disassembled and reused after installation, saving construction costs and reducing construction waste It is conducive to waterproof and moisture-proof; the board itself is a flat plate, which can save a lot of transportation costs, building height and clearance, and the use of steel diversification is convenient for selection and procurement. At the same time, a variety of lightweight thermal insulation filling core materials can be selected to meet Different thermal insulation and energy saving requirements.

Description of drawings

Fig. 1 is the steel stressed skeleton structure schematic diagram of the lightweight cypress board provided by the present invention;

Fig. 2 a is the structural schematic diagram of the lightweight thermal insulation filling core material of the lightweight cypress board provided by the present invention;

Fig. 2b is a structural schematic diagram of adding a sandwich thermal insulation layer to the lightweight thermal insulation filling core material of the lightweight cypress board provided by the present invention;

Fig. 3a, 3b are respectively the structural schematic diagrams of the plate length direction and the plate width direction when the stressed skeleton of the steel in the lightweight cypress board provided by the present invention is a steel bar and an angle steel composite frame;

Fig. 4a, 4b are respectively the structural schematic diagrams of the plate length direction and the plate width direction C mouth facing inward when the steel stress skeleton in the lightweight cypress board provided by the present invention is C-shaped steel;

Fig. 5a, 5b are the structural schematic diagrams of the plate length direction and the plate width direction C mouth facing outwards when the steel stress skeleton in the lightweight cypress board provided by the present invention is C-shaped steel;

Fig. 6a, 6b are the structural schematic diagrams of the plate length direction and the plate width direction when the steel stress skeleton in the lightweight cypress board provided by the present invention is a square tube;

Fig. 7a, 7b are the structural schematic diagrams of the plate length direction and the plate width direction when the steel stress skeleton in the lightweight cypress board provided by the present invention is an I-beam;

Fig. 8a, 8b are the structural schematic diagrams of the plate length direction and the plate width direction C opening facing inward when the steel stress skeleton in the lightweight cypress board provided by the present invention is a channel steel;

Figures 9a and 9b are structural schematic diagrams of the light-weight cypress board provided by the present invention with the C-port facing outward in the board length direction and board width direction when the steel stress skeleton is channel steel.

Among them, 1 is the horizontal main frame; 2 is the longitudinal main frame; 3 is the intermediate secondary frame; 4 is the steel mesh; 5 is the hoisting parts; Quality thermal insulation filling core material; 9 is the thermal insulation layer.

Detailed ways

The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

Referring to Fig. 1 to Fig. 9, a lightweight cypress board comprises a lightweight thermal insulation filling core material 8 and a steel stress skeleton wrapped inside or outside the lightweight thermal insulation filling core material; the steel stress skeleton includes Two transverse main stress frames 1 and two longitudinal main stress frames 2; two parallel transverse main stress frames 1 are connected with longitudinal main force frames 2 and transverse main force frames 1 A plurality of intermediate secondary stress frames 3 are arranged between the longitudinal main stress frame 2, steel mesh 4 is welded between the steel stress frames, and a hoisting piece 5 with a hoisting port is arranged at the junction of the top of the steel stress frame. A plurality of embedded parts 6 for the connection between the plates are arranged on the sides of each transverse main stress frame, and steel materials for balancing the bottom of the plate are arranged at the intersection of the transverse main stress frame and the bottom of the longitudinal main stress frame. The thickness of the protective layer and the connection plate 7 of the connection between the plate and the steel beam.

Wherein, the steel materials of the transverse main stress frame, the longitudinal main stress frame and the intermediate secondary stress frame include steel bar and angle steel composite frame, C-shaped steel, square pipe, I-beam or channel steel, and the steel material stress frame The steel materials are connected as a whole by welding.

Specifically, when the stressed steel frame is a steel bar and angle steel combined frame, the reinforcement mesh is welded on the steel bar and angle steel combined frame chord or web steel bar; or, when the steel stressed frame is C-shaped steel, The steel mesh is welded on the C-shaped steel web or flange; or, when the steel frame is a square tube, the steel mesh is welded on the side of the square tube; or when the steel frame is an I-beam, the steel mesh is welded on the working side. On the web or flange of the steel; when the steel frame is channel steel, the reinforcement mesh is welded on the web or flange of the channel steel.

Further, the reinforcement mesh is a single-layer, double-layer or multi-layer reinforcement mesh, including transverse reinforcement and longitudinal reinforcement, and the transverse reinforcement and longitudinal reinforcement are integrated into a whole through welding.

Further, a thermal insulation layer 9 is also provided in the lightweight thermal insulation filling core material. The heat insulation layer is made of light heat insulation materials, which include polystyrene board, polyethylene extruded board, polyurethane foam, phenolic foam, glass wool, rock wool or airgel felt .

Specifically, the material of the lightweight thermal insulation filling core material is a lightweight filling material, and the lightweight thermal insulation filling core material includes foamed cement core material, cement and polystyrene particle composite core material, perlite cement composite core material Core material and ceramsite cement composite core material, and polystyrene board, polyethylene extruded board, polyurethane foam, phenolic foam, glass wool, rock wool, air condensation Lightweight thermal insulation materials such as rubber felt further improve the thermal insulation performance of the board itself.

It should be noted that the thickness direction of the lightweight cypress board adopts a wedge-shaped, rectangular or mortise-and-mortise structure.

It should be noted that, the surface of the lightweight cypress board is coated with a waterproof coating or laid with a waterproof sheet.

Specifically, refer to Fig. 1 to Fig. 9, a, a kind of light-weight cypress board material, including light-weight thermal insulation filling core material and steel stress skeleton wrapped inside or outside the light-weight thermal insulation filling core material; The stress frame includes the transverse main frame, the longitudinal main frame, the intermediate secondary frame and the reinforcement mesh, and the reinforcement mesh is welded on the steel frame, see Figures 3, 4, 5, 6, and 7. b. The steel frame can be steel bar and angle steel composite frame, C-shaped steel, square pipe, I-beam, channel steel, etc. The steel materials that constitute the steel frame are connected as a whole by welding, and the force is reasonable. c. The steel mesh can be single-layer, double-layer or multi-layer, including transverse steel bars and longitudinal steel bars, and the horizontal steel bars and longitudinal steel bars are welded as a whole; d. The lightweight thermal insulation filling core material is a lightweight material , can choose foam cement core material, cement and polystyrene particle composite core material, perlite cement composite core material, ceramsite cement composite core material and other lightweight materials, and can also be used in the above-mentioned lightweight thermal insulation filling core materials Light heat insulation materials such as polystyrene board, polyethylene extruded board, polyurethane foam, phenolic foam, glass wool, rock wool, airgel felt, etc. are used to further improve the insulation performance of the board itself. It has the functions of non-combustibility, heat preservation, sound insulation, explosion venting, light weight, durability, quick installation and beautiful appearance. e. The plate can be connected with steel structure or concrete structure by bolts, welding or mortise and tenon joints. f. After the plate is installed, the plates can be welded and connected through the embedded parts embedded in the plate to ensure its integrity; the embedded parts are connected to the main force-bearing frame in the plate by welding. see picture 1. g. The length of the slab can be determined according to the force calculation of the slab to meet the various requirements of the building. The thickness direction of the board can be adopted in different ways such as wedge, rectangle or mortise and tenon structures to meet different architectural needs. h. Before the board leaves the factory, apply a waterproof coating film or lay a waterproof sheet on the board surface. i. The hoisting parts with hoisting openings are reserved for welding on the steel, and later can be hoisted by bolts to meet the needs of safety, convenience and speed. j. The thickness of the protective layer of steel at the bottom of the plate is determined by welding multiple connecting plates at the bottom of the plate.

When the board is applied to the actual project, it is implemented according to the following steps: a. Select the specification and quantity of the standard board according to the size, load, area and other factors in the drawing. b. According to Figure 1-Figure 9, produce the steel and reinforcement mesh in the panel. c. Fixed insulation core material. d. Pre-buried pipelines. e. Use lightweight thermal insulation filling core material for pouring. f. Install the board on the structure, if required on site, can customize a specific board type.

The board has the following characteristics a. The board is a light-duty cypress board, specifically a building board combined with a light-weight thermal insulation filling core material. The product weight of this board is far lower than that of traditional boards; b The built-in steel frame that welds various selected steel materials into plates meets the load requirements of the plates through steel mechanical calculations, and the stress path of the plates is clear and reasonable; c. The plates are durable, waterproof, comfortable, and easy to install; d. The board is a lightweight board, which can save a large amount of steel for the structural steel beams of the building compared with the traditional board; e, the board type is flexible, the length of the board can reach 9 meters, and the width can reach 4.5 meters. size requirements. The thickness direction is narrow at the top and wide at the bottom, which is beneficial to the caulking of the panels after installation. f. Self-applying waterproof coating or laying waterproof sheet on the surface of the board can solve the moisture absorption and anti-seepage function of the board itself. h. The use of diversified steel materials is convenient for selection and purchase, and the design can be optimized according to the load requirements. The multi-pass stress skeleton is uniformly distributed in the length and width directions, and the load during use is reasonably dispersed. i. A variety of lightweight thermal insulation filling core materials can be selected to meet different thermal insulation and energy saving needs. j. The boards are connected by steel so that the finished product is transformed from a single board into a whole, which meets the seismic demand. k. The use of built-in pre-embedded hoisting parts increases the overall aesthetics of the board, and at the same time, the use of bolt hoisting during production, transportation, and installation makes hoisting safer and more convenient. L. The use of connecting plates at the bottom of the slab can make the welding between the slab and the beam more firm. At the same time, the integrity of the steel frame can be strengthened through the connection between the connecting plate and the built-in steel frame. In addition, the thickness of the protective layer of the core material can be controlled by the thickness of the connecting plate. . The side embedded part is a welded steel member used for the connection between the plate and the plate.

The lightweight cypress board provided by the invention can be made into an integral board according to the size requirements on site, especially when used on the inner and outer walls of buildings, the board can greatly reduce the risk of cracks in the wall, realize overall hoisting, and greatly reduce vertical transportation Compared with the prestressed concrete slab, it has a small weight and is easy to install; it has functions such as light weight, durability, anti-corrosion, energy saving, and aesthetics; the product can be disassembled and reused after installation, saving construction costs and reducing construction waste It is beneficial to waterproof and moisture-proof; the board itself is a flat plate, which can save a lot of transportation costs, building height and clearance.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A light-weight cypress board, characterized in that it comprises a lightweight thermal insulation filling core material and a steel stress skeleton arranged inside or outside the lightweight thermal insulation filling core material; the steel stress skeleton includes two The transverse main stress frame and two longitudinal main stress frames; the two ends of the two parallel transverse main stress frames are connected with the longitudinal main stress frame, the transverse main stress frame and the longitudinal main stress frame There are multiple intermediate secondary stress frames in the middle, steel mesh is welded between the steel stress frames, hoisting pieces with hoisting ports are installed at the top junction of the steel stress frames, and useful There are multiple embedded parts connected between the slabs, and at the junction of the bottom of the transverse main force frame and the longitudinal main force frame, there are devices used to measure the thickness of the protective layer of the steel at the bottom of the slab and the connection between the plate and the steel beam. connecting plate. 2. light cypress board according to claim 1, is characterized in that, the making steel material of described transverse main stress frame, longitudinal main stress frame and intermediate secondary stress frame comprises steel bar and angle steel combined frame, C Sectional steel, square pipe, I-beam or channel steel, and the steel of the steel framework are connected as a whole by welding. 3. light-weight cypress board according to claim 2, is characterized in that, when described steel stress skeleton is the reinforcing bar and angle steel combination frame that steel material is made, reinforcing mesh is welded on reinforcing bar and angle steel combination frame chord or or, when the steel frame is C-shaped steel, the steel mesh is welded on the C-shaped steel web or flange; or, when the steel frame is a square tube, the steel mesh is welded on the side of the square tube; Or when the steel frame is I-beam, the steel mesh is welded on the web or flange of the I-beam; when the steel frame is channel steel, the steel mesh is welded on the web or flange of the channel steel. 4. The lightweight cypress board according to claim 1, characterized in that, the steel mesh is single-layer, double-layer and multi-layer steel mesh, including transverse reinforcement and longitudinal reinforcement, and the transverse reinforcement and longitudinal reinforcement are welded become a whole. 5. The lightweight cedar board according to claim 1, characterized in that, the material of the lightweight thermal insulation filling core material is a lightweight filling material, and the lightweight thermal insulation filling core material comprises foamed cement Core material, cement and polystyrene particle composite core material, perlite cement composite core material and ceramsite cement composite core material. 6. The lightweight cedar board according to claim 1, characterized in that, a thermal insulation layer is also arranged in the lightweight thermal insulation filling core material. 7. The lightweight cypress board according to claim 1, wherein the heat insulation layer is made of light heat insulation materials, and the light heat insulation materials include polystyrene boards, polyethylene extruded Plastic panels, polyurethane foam, phenolic foam, glass wool, rock wool or airgel felt. 8. The lightweight cedar board according to claim 1, characterized in that, the thickness direction of the lightweight cedar board adopts a wedge-shaped, rectangular or mortise-and-mortise structure. 9. The lightweight cypress board according to claim 1, characterized in that, the surface of the lightweight cypress board is coated with a waterproof coating or a waterproof sheet.