CN205654010U - Outer wall stone facing plate structure - Google Patents

Abstract

The utility model discloses an outer wall stone facing plate structure, lay polylith decorative board through the support including the building outer wall with in the building on the outer wall, on the support passes through the fixed building outer wall of cant chisei, the decorative board is bonded by lithotome board and calcium silicate board to constitute be provided with epoxy glue adhesion agent adhesive linkage between lithotome board and the calcium silicate board, thickness after the decorative board bonds does not surpass 1 centimetre, calcium silicate board's the lithotome board that is greater than all around is used for and the leg joint all around. The utility model discloses combine calcium silicate board's protection against the tide, fire behavior and ultra -thin stone, whole gage reduction is to within the 1cm, and the dead weight is light, and the intensity of connecting piece is high, pastes simple to operate, and special parts through the design has solved the outer wall seepage, has ftractureed, the problem of droing. Through this method, can very firm installing on the wall body with the composite sheet.

Description

An exterior stone veneer structure

technical field

The utility model relates to building construction, in particular to a stone decorative panel structure for an exterior wall.

Background technique

In today's world, promoting the development of buildings in the direction of energy saving, green and intelligent is the general trend of the construction industry to practice the concept of sustainable development, and it is also an important task for China's economic and social development. In recent years, China has made great efforts in building energy conservation, including formulating and implementing strict building energy-saving design standards, and promoting new wall materials and energy-saving products.

In the past, the non-renewable raw materials in our country were over-mined, and the high-quality stone veins gradually dried up. At the same time, the price of building materials continued to rise, and people gradually realized the preciousness of non-renewable resources. Therefore, various composite stone materials with different bases began to appear in the market. The purpose of cheap stone, tiles and honeycomb aluminum panels is to save non-renewable raw materials, and at the same time the price has dropped significantly. It has never been used in a large area, so looking for a composite stone panel that can be applied to exterior walls, and applying this composite stone to exterior walls is a topic that the construction industry is studying.

Contents of the invention

The purpose of this utility model is to propose a stone veneer structure for exterior walls, which combines the moisture-proof and fire-proof properties of calcium silicate boards with ultra-thin stone materials, and compresses the overall thickness to within 1cm. Special accessories designed to solve the problems of external wall leakage, cracking and falling off.

In order to achieve the above object, the technical solution of the utility model is:

A stone veneer structure for an exterior wall, comprising an exterior wall of a building and laying a plurality of veneer panels on the exterior wall of the building through brackets, the brackets are fixed on the exterior wall of the building by studs, wherein the veneer panels are made of natural stone plates and silicon Calcium acid board bonding composition, an epoxy resin adhesive bonding layer is arranged between the natural stone board and the calcium silicate board, the thickness of the veneer board after bonding is not more than 1 cm, and the calcium silicate board The perimeter is larger than the perimeter of the natural stone slab for connection with the bracket.

The scheme is further as follows: the thickness of the natural stone board is 2mm-4mm, and the thickness of the calcium silicate board is 4mm-6mm.

The scheme is further: the calcium silicate board is a calcium silicate board with a density of 200-1000kg/m3.

The solution is further as follows: the length of the bracket is equal to the side length of the veneer.

The solution is further as follows: the bracket includes a veneer connector and a locking pendant connected with the peg, the upper part of the connector has an "I" shape with notches on both sides, and the lower part of the connector has an opening. The chute, the locking pendant is composed of a right-angle L-shaped plate and a slider arranged on the top of one side of the L-shaped plate. There are through holes for connecting with pegs.

The utility model is a composite stone plate assembly structure aimed at new environmental protection wall materials. It combines the moisture-proof and fire-proof performance of the calcium silicate plate with the ultra-thin stone material. The overall thickness is compressed to within 1cm. The weight is light and the strength of the connecting parts is high. , It is easy to paste and install, and the special accessories designed to solve the problems of external wall leakage, cracking and falling off. Through this method, the composite board can be firmly installed on the wall.

The invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the utility model veneer structure schematic diagram;

Fig. 3 is the schematic diagram of the support structure of the utility model;

Fig. 4 is a schematic diagram of laying structure in another way of the utility model;

Fig. 5 is a schematic diagram of laying the veneer of the utility model.

detailed description

A stone veneer structure for an exterior wall, as shown in Figure 1, comprises a building exterior wall 1 and a plurality of veneer panels 3 are laid on the exterior wall of the building by brackets 2, and the bracket is fixed on the exterior wall of the building by studs 4, and the veneer panels are placed on the exterior wall of the building. A heat insulation board 5 is arranged between the exterior wall of the building; as shown in Figure 2, the veneer is a square plate, and the veneer is composed of a natural stone board 301 and a calcium silicate board 302 bonded together, and the natural stone An epoxy resin adhesive bonding layer 303 is arranged between the board and the calcium silicate board, the thickness of the veneer after bonding is not more than 1 cm, and the four side lengths 304 of the calcium silicate board are greater than the four side lengths 305 of the natural stone board. , the larger side length is used to connect with the bracket, that is, the area of the calcium silicate board is larger than that of the natural stone board.

The calcium silicate board is based on loose short fibers such as inorganic mineral fibers or cellulose fibers as reinforcing materials, and is made of silicon (the main component is SiO2, such as quartz powder, fly ash, diatomaceous earth, etc.) and calcium ( The main component is CaO, such as lime, calcium carbide mud, cement, etc.) as the main cementing material, which is made of calcium silicate gel after pulping, molding, and accelerated curing reaction in high-temperature and high-pressure saturated steam; Superior fire performance, moisture resistance and long service life. The two materials of calcium silicate board and natural stone board are bonded by epoxy resin adhesive. Epoxy resin adhesive is a kind of engineering adhesive prepared from epoxy resin base material, curing agent, diluent, accelerator and filler. The bonding performance is good, the functionality is good, the price is relatively low, and the bonding process is simple. The effective bonding area of epoxy resin glue brushing reaches 100%, the tensile bonding strength is ≥0.6MPa, and the water resistance is ≥0.4MPa. The calcium silicate board of the composite veneer is formed with tongue and groove joints around it, and it is used together with the bracket to solve the problem of water seepage at the joints of the exterior wall veneer.

In the embodiment: the thickness of the natural stone board is 2mm-4mm, and the thickness of the calcium silicate board is 4mm-6mm. Therefore, this composite board reduces the usage of natural stone boards, and its appearance and effect are the same as those of natural stone boards.

In a side embodiment: the calcium silicate board is a calcium silicate board with a density of 200-1000kg/m3.

In the embodiment: the method for bonding the natural stone board and the calcium silicate board is: in the factory, firstly, the natural stone board and the calcium silicate board are cut into sized boards according to the design drawing, and then the two parts to be bonded are cleaned. Use a brush to evenly coat the epoxy resin adhesive on the surface of the natural stone plate. The calcium silicate plate is on the bottom and the natural stone plate is on the top. The two plates are bonded together by applying pressure on the natural stone plate. The tensile bonding strength of the latter two boards is greater than or equal to 0.5 MPa, and the tensile bonding strength after the water immersion test and heat aging test is still greater than or equal to 0.5 MPa. Its water immersion test and thermal aging test are all national standard experiments.

In an embodiment: the length of the bracket is equal to the side length of the veneer. As shown in Figure 3, the bracket includes a veneer connector 201 and a locking pendant 202 connected with the peg, the length of the connector is equal to the side length of the veneer, and the upper part of the section of the connector has notches on both sides 201-1 and 201-2 are in the "I" shape, the lower part of the section is a chute 201-4 with an opening 201-3, the locking pendant is made of a right-angled L-shaped plate 202-1 and on one side of the L-shaped plate A slider 202-2 arranged at the top is used for inserting into the chute of the connector, and a through hole 202-3 connected with the peg is arranged on the other side of the L-shaped plate. The locking pendant is a stainless steel pendant (material thickness 2mm, width 400mm), and the connecting piece is an aluminum alloy bead (material thickness 2mm).

The construction method based on the stone veneer structure of the exterior wall, the structure includes the exterior wall of the building and a plurality of veneer panels are laid on the exterior wall of the building through brackets, the brackets are fixed on the exterior wall of the building by studs, and the veneer panels are made of natural stone The calcium silicate board is bonded to a calcium silicate board. The surrounding area of the calcium silicate board is larger than that of the natural stone board for connection with the bracket. The length of the bracket is equal to the side length of the decorative panel. The bracket includes a decorative panel connector and The locking pendant connected with the peg, the upper part of the section of the connecting piece is an "I" shape with notches on both sides, and the lower part of the section is a chute with an opening. The locking pendant is made of a right-angled L-shaped plate It consists of a slider set on the top of one side of the L-shaped plate, the slider is used to insert into the chute of the connector, and a through hole connected with the peg is provided on the other side of the L-shaped plate; Paste the heat insulation board on the top, and the construction of the veneer follows the construction sequence from bottom to top and from side to center; the method includes firstly placing the natural stone board of the first veneer facing outward, and placing it on the calcium silicate board After smearing the adhesive mortar and pasting it on the heat insulation board, insert the protruding calcium silicate board edge of the veneer into a notch of the "I" shape on the upper part of the connecting piece, and then insert the slider of the L-shaped plate into the connecting piece The lower part of the chute makes the other side of the L-shaped plate parallel to the building exterior wall, and uses a drill to drill holes to the building exterior wall through the through hole on the other side of the L-shaped plate. The pegs are expansion bolts and screws. Insert the expansion bolt into the wall hole, lock the L-shaped plate on the outer wall of the building with screws, apply adhesive mortar on the calcium silicate board surface of the second veneer, and paste it on the heat insulation board. The protruding calcium silicate board edge of the second piece of veneer is inserted into another notch of the "I" shape on the upper part of the connector to splice with the first piece; then use the same splicing method to cover the building's exterior wall in turn, The joints of the veneer are sealed with silicone sealant6.

The first board starts from the corner, and the back of the board is pasted with adhesive mortar. The bonding area should be ≥ 80%. The connection method between the whole board and the wall is "pasted and hung", and its force is mainly the adhesive force and the pull-out force of the pendant can be firmly installed on the wall. The installation sequence is to first paste the plate on the wall with adhesive mortar, then install the aluminum alloy frame, and insert the wall parts into the frame before the aluminum alloy frame In the groove, then anchor the expansion bolts into the wall through the "L"-shaped reserved holes. The individual tensile strength of the anchor bolts should reach 0.3KN. The on-site pull-out test should be carried out, and finally they should be installed one by one in a stepped shape. .

The bracket is used as an installation accessory for the decorative panel, which is divided into two types, A and B, according to different processes. Different process methods can be selected according to the needs of the project site. Figure 1 shows process A, which requires decorative construction after the completion of the external wall insulation construction. Figure 4 shows the project in which process B is completed for the construction of the exterior wall structure and requires simultaneous construction of exterior insulation and finishing layers. In process B, when installing the bracket, it is necessary to dig a groove on the outer wall insulation. Therefore, the other side plate of the L-shaped plate is set close to the building exterior wall, or the other side plate of the L-shaped plate is set close to the heat insulation board.

In the embodiment: the tensile strength of the stud anchor behind the building exterior wall is greater than or equal to 0.3KN.

In the embodiment: as shown in Figure 5, the brackets on each side of the veneer are respectively fixed by two L-shaped plates, and the two L-shaped plates are respectively arranged at both ends of the bracket; each plate has four fixing points.

In the embodiment: the bonding area between the calcium silicate board surface and the building exterior wall is more than or equal to 80%.

Claims (5)

1. A stone veneer structure for an exterior wall, comprising a building exterior wall and a plurality of veneer panels laid by supports on the exterior wall of the building, and the bracket is fixed on the exterior wall of the building by studs, it is characterized in that the veneer panel is made of natural A stone board and a calcium silicate board are bonded, an epoxy resin adhesive bonding layer is arranged between the natural stone board and the calcium silicate board, the thickness of the veneer board after bonding is not more than 1 cm, and the The perimeter of the calcium silicate board is larger than that of the natural stone board for connection with the bracket. 2. The veneer structure according to claim 1, characterized in that, the thickness of the natural stone plate is 2 mm-4 mm, and the thickness of the calcium silicate plate is 4 mm-6 mm. 3. The veneer structure according to claim 1 or 2, characterized in that, the calcium silicate board is a calcium silicate board with a density of 200-1000kg/m3. 4. The veneer structure according to claim 1, wherein the length of the bracket is equal to the side length of the veneer. 5. The veneer structure according to claim 1 or 4, characterized in that the bracket comprises a veneer connector and a locking hanger connected with the peg, the upper part of the cross-section of the connector has notches on both sides The "I" shape, the lower part of the section is a chute with an opening, the locking pendant is composed of a right-angle L-shaped plate and a slider set on the top of one side of the L-shaped plate, the slider is used to insert into the connection The chute of the piece is provided with a through hole connected with the peg on the other side of the L-shaped plate.