CN112392218A - Assembled decoration and heat preservation integrated wallboard and dry construction method thereof - Google Patents
Assembled decoration and heat preservation integrated wallboard and dry construction method thereof Download PDFInfo
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- CN112392218A CN112392218A CN202011427163.XA CN202011427163A CN112392218A CN 112392218 A CN112392218 A CN 112392218A CN 202011427163 A CN202011427163 A CN 202011427163A CN 112392218 A CN112392218 A CN 112392218A
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2466—Details of the elongated load-supporting parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Finishing Walls (AREA)
Abstract
The invention provides an assembled decoration and heat preservation integrated wallboard and a dry construction method thereof, and relates to the technical field of building construction. The assembled decoration and heat preservation integrated wallboard comprises a light micro-bubble ceramic plate, a keel frame and a prefabricated concrete wallboard which are sequentially stacked; the light micro-bubble ceramic plate comprises a decorative layer and an insulating layer, wherein the decorative layer is bonded on the insulating layer; the heat-insulating layer is fixed on the keel frame through a fixing piece; the keel frame is fixed on the precast concrete wallboard. The assembly type decoration and heat preservation integrated wallboard adopts a dry construction method, so that the load on the keels can be effectively reduced, the distance between the keels is increased, the using amount of the keels is reduced, and the construction period and the construction cost are saved; can realize factory prefabrication and standardized production and meet the requirements of the construction and decoration technology of the fabricated building.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an assembled decorative heat-preservation integrated wallboard and a dry construction method thereof.
Background
The assembly type building is a green industry which is mainly developed by the nation, has the characteristics of standardized design, industrialized production, assembled construction, integrated decoration, informatization management and the like, and is an important revolution of the construction mode. The assembly decoration is a construction mode which is characterized in that modular and integrated design is carried out in an industrialized mode, and standardized and modular building interior decoration parts and an assembly type process mainly based on field dry operation are combined to finish the full decoration of a building. The construction method can improve the quality of the building and avoid a plurality of problems of the traditional technology while realizing green construction, energy conservation and emission reduction.
The traditional ceramic plate has the disadvantages of heavy weight, high production cost, high construction difficulty and strict requirement on precision; according to the wet pasting technology of the traditional ceramic tile, hollowing is easily generated between the ceramic plate and the wall surface and the ground, the plate is easily stripped after violent heating and violent cooling, and the quality problems of faceting, saltpetering and the like of the stone wall surface are easily generated through humid air and hydration heat. The conventional ceramic plate is difficult to be applied to the fabricated building. Therefore, there is a need for a new ceramic plate or wall body, which can be used for the construction of prefabricated buildings and can improve the installation efficiency of the ceramic plate.
Disclosure of Invention
Therefore, it is necessary to provide an assembled decoration and heat insulation integrated wallboard and a dry construction method thereof, aiming at the problems, the integrated wallboard adopts a light micro-bubble ceramic plate, integrates decoration and heat insulation functions, can realize factory prefabrication and standardized production, adopts a dry construction process for installation, and meets the requirements of the assembly building construction and decoration technology.
An assembled decorative heat-preservation integrated wallboard comprises a light micro-bubble ceramic plate, a keel frame and a precast concrete wallboard which are sequentially stacked; the light micro-bubble ceramic plate comprises a decorative layer and an insulating layer, wherein the decorative layer is bonded on the insulating layer; the heat-insulating layer is fixed on the keel frame through a fixing piece; the keel frame is fixed on the precast concrete wallboard;
closed pores are distributed in the heat-insulating layer, the porosity is 75-85%, and the volume weight is 1.00-1.95 g/cm3The heat conductivity coefficient is less than or equal to 0.4W (m.K), the water absorption rate is less than or equal to 2 percent, and the bending strength is more than or equal to 15 MPa.
The assembled decoration and heat preservation integrated wallboard has the advantages that the light micro-bubble ceramic plate integrates decoration and heat preservation functions, is light in weight, low in heat conduction coefficient and excellent in heat preservation and heat insulation performance, can effectively reduce the load on keels during dry construction, increases the distance between the keels, reduces the using amount of the keels, and saves the construction period and the cost; can realize factory prefabrication and standardized production and meet the requirements of the construction and decoration technology of the fabricated building.
In one embodiment, the heat-insulating layer is prepared from the following raw materials in parts by weight:
30-50 parts of molybdenite tailings, 8-12 parts of calcareous waste stone powder, 8-12 parts of water-milled albite, 8-12 parts of ball clay, 8-12 parts of fly ash, 8-12 parts of expansive soil, 8-12 parts of diatomite, 0.5-1.0 part of inorganic composite foaming agent, 0.5-1.0 part of sintering aid and 0.5-1.0 part of colorant; the inorganic composite foaming agent is prepared from SiC and MgCO3Octacalcium phosphate (OCP); the sintering aid is composed of MgO,Cr2O3、Na2B4O7And (4) forming. The insulating layer in the invention takes low-quality ceramic raw materials and industrial waste residues as main raw materials, leftover materials, waste materials and production wastewater in production can be recycled, and the economic benefit and the social benefit are obvious.
In one embodiment, the heat-insulating layer is prepared by the following method:
mixing and granulating the raw materials, drying, pressing and forming, naturally melting and foaming at 1050-1200 ℃, preserving heat for 3-12 min, sintering for 45-60 min, sintering to obtain the light foamed heat-insulating ceramic material, cooling, and cutting to obtain the heat-insulating layer.
In one embodiment, the decorative layer is made of natural stone or wood. The decorative layer can be made of natural stone, wood and other decorative plane materials, and the style is changeable and can be applied in a large scale.
In one embodiment, the decorative layer is adhered to the insulating layer by an adhesive. The adhesive can be bi-component epoxy resin AB adhesive.
In one embodiment, the precast concrete wall panel is prepared by the following method:
the concrete base material is prepared by taking cement, silica sand powder, sand, an additive and water as raw materials, a cold-drawn steel bar net rack is arranged in the concrete base material, the concrete base material is cast and formed by a group of vertical molds, autoclaved curing is carried out, a solid prefabricated strip-shaped wallboard is prepared, and a plurality of solid prefabricated strip-shaped wallboards are spliced to obtain the concrete base material.
In one embodiment, the solid prefabricated strip wall panels have an aspect ratio of 2.5 or more.
In one embodiment, the side edges of the solid prefabricated strip-shaped wall boards are provided with male tenons and/or female tenons, and after caulking mortar is coated on the male tenons and the female tenons, the solid prefabricated strip-shaped wall boards are butted and assembled to obtain the prefabricated concrete wall boards.
In one embodiment, a plurality of the light micro-bubble ceramic plates are fixed on the keel frame in a short groove supporting mode and/or a back bolt point supporting mode, and gaps between two adjacent light micro-bubble ceramic plates are sealed by foam strips and/or sealant.
The invention also provides a manufacturing method of the assembled decoration and heat insulation integrated wallboard, which comprises the following steps:
(1) positioning and paying off the precast concrete wallboard;
(2) installing and fixing a keel frame on the precast concrete wallboard;
(3) fixing the heat-insulating layer of the light micro-bubble ceramic plate with the keel frame by using a fixing piece, so that the light micro-bubble ceramic plate is fixed on the keel frame;
(4) rechecking and adjusting the position of the light micro-bubble ceramic plate;
(5) and injecting glue into the gaps among the light micro-bubble ceramic plates for filling gaps.
In one embodiment, the step (2) is specifically: and installing keel fixing pieces on the precast concrete wall boards, and fixing the keel frame on the precast concrete wall boards by using the keel fixing pieces.
In one embodiment, the step (3) is specifically: installing a bracket on the keel frame, slotting the light micro-bubble ceramic plate, and fixing the light micro-bubble ceramic plate on the bracket;
or, a pendant is arranged on the keel frame, holes are drilled in the back of the light micro-bubble ceramic plate, and the light micro-bubble ceramic plate is fixed on the pendant through a back bolt.
In one embodiment, in the step (3), when the groove is formed in the light micro-bubble ceramic plate, the groove length is 8-12 mm or the groove is formed. The light micro-bubble ceramic plate is supported by the short groove, and the plate is stressed independently, so that the force transmission can be eliminated; the plate can be independently replaced, and the maintenance is convenient.
In one embodiment, in the step (3), when the hangers are installed on the keel frame, 2-6 hangers are correspondingly arranged on each light micro-bubble ceramic plate. The lightweight micro-bubble ceramic plates are supported by back bolts, so that the number of the back bolts can be reasonably arranged according to the size of the plate, no filling adhesive is needed, and unnecessary construction pollution is avoided; the shock resistance and the fatigue resistance are excellent; the panel can independently be dismantled, and later maintenance is with low costs.
The invention also provides a dry construction method of the assembled decoration and heat insulation integrated wallboard, which comprises the following steps:
(1) cleaning a foundation floor, positioning and paying off, and hoisting the assembled decoration and heat insulation integrated wallboard in place;
(2) fixing the precast concrete wallboard on a bearing support of a building to be installed, and filling a splicing gap between the precast concrete wallboard and the bearing support by using sealant; the load bearing support can be a steel column;
(3) driving anchoring steel bars to fixedly connect the precast concrete wallboard with the base floor;
(4) arranging an elastic caulking layer in a gap between the precast concrete wallboard and the bearing support;
(5) tamping concrete into a gap between the precast concrete wallboard and the base floor to be filled, and filling mortar into a gap between the precast concrete wallboard and the top surface;
(6) mortar is used for filling joints between prefabricated concrete wallboards, and glue is injected between the light micro-bubble ceramic plates for filling joints;
(7) local repair and wall surface cleaning.
In one embodiment, the step (2) is specifically: placing angle steel at the joint of the precast concrete wallboard and the steel column, fixing one side of the angle steel on the precast concrete wallboard, fixing the other side of the angle steel on the steel column, and filling the splicing gap between the precast concrete wallboard and the steel column by using sealant to realize the fixed connection and the sealing structure of the precast concrete wallboard and the steel column.
Preferably, in the step (2), 75mm countersunk self-tapping self-drilling screws are driven to fix the angle steel and the precast concrete wallboard, and the angle steel and the steel column are fixed by welding.
In one embodiment, in the step (3), the anchoring steel bars are phi 6 × 100 steel bars, phi 8 × 90 rubber plugs are sleeved on two ends of the steel bars, and the anchoring depth of the anchoring steel bars in the precast concrete wall panel is about 10-30 mm.
In one embodiment, the step (4) is specifically: and arranging a glue bar in a gap between the precast concrete wallboard and the steel column, and filling the gap with a flexible caulking material to form an elastic caulking layer. The glue stick can be PE stick.
In one embodiment, the step (5) is specifically: and (3) tamping fine stone concrete into the gap between the precast concrete wallboard and the base floor, and filling the gap between the precast concrete wallboard and the top surface with polymer cement mortar.
Compared with the prior art, the invention has the following beneficial effects:
according to the assembled decoration and heat insulation integrated wallboard, the light micro-bubble ceramic plate integrates the decoration layer and the heat insulation layer, the decoration layer can select various styles according to needs, the heat insulation layer is low in heat conduction coefficient, excellent in heat insulation and light in weight, when the decoration layer is connected with the precast concrete wallboard, the load of a keel frame can be effectively reduced, the distance between keels is increased, the using amount of the keels is reduced, and the construction period and the cost are saved; the plate has the advantages of high strength, water resistance, stain resistance, weather resistance and long service life.
The assembled decoration and heat preservation integrated wallboard disclosed by the invention is constructed by adopting a dry method, can realize factory prefabrication and standardized production, and meets the development requirements of the assembly building construction and decoration technology; on the premise of ensuring the integral stress performance and engineering quality of the structure, the assembled decorative heat-insulation integrated wallboard is simple in connection form with the base floor slab and the steel column, direct in force transmission, definite in stress, and convenient and efficient in wall construction.
Drawings
FIG. 1 is a schematic structural diagram of an assembled decorative insulation integrated wall panel in the embodiment;
FIG. 2 is a schematic diagram of a short-trough supporting type standard node structure of a light micro-bubble ceramic plate in an embodiment;
FIG. 3 is a schematic structural diagram of a back bolt point supporting type standard node of a light micro-bubble ceramic plate according to an embodiment;
FIG. 4 is a schematic view of the connection between the assembled decorative heat-insulating integrated wall panel and the steel column in the embodiment;
fig. 5 is a schematic view showing the connection of the precast concrete wall panel and the base floor in the embodiment.
In the figure, 100, lightweight micro-bubble ceramic plates; 110. a decorative layer; 120. a heat-insulating layer; 130. a foam strip; 200. a keel frame; 210. a main keel fixing member; 220. an aluminum alloy bracket; 221. an aluminum alloy pendant A; 222. a stainless steel bolt; 230. a stainless steel bracket; 231. an aluminum alloy pendant B; 232. a stainless steel back bolt; 300. prefabricating a concrete wallboard; 310. a tongue and groove; 320. a reinforcing mesh; 400. a steel column; 410. angle steel; 411. a screw; 420. a PE rod; 500. a base floor; 510. anchoring the reinforcing steel bars; 511. a rubber plug; 520. and (5) fine aggregate concrete.
Detailed Description
To facilitate an understanding of the invention, a more complete description of the invention will be given below in terms of preferred embodiments. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
An assembled decoration and heat preservation integrated wallboard is shown in figure 1 and comprises a light micro-bubble ceramic plate 100, a keel frame 200 and a precast concrete wallboard 300 which are sequentially stacked. The light micro-bubble ceramic plate 100 is formed by bonding a decoration layer 110 and an insulation layer 120, wherein the decoration layer 110 can be made of natural stone or wood, and the decoration layer 110 is bonded on the insulation layer 120 through an adhesive. The insulating layer 120 is fixed on the keel frame 200, and the keel frame 200 is fixed on the precast concrete wall panel 300. The insulation layer 120 may be installed on the keel frame 200 in two ways, a short trough supported and/or a back bolt point supported standard node.
The precast concrete wallboard 300 is prepared by taking cement, silica sand powder, sand, an additive and water as raw materials to prepare a concrete base material, the raw material proportion can be prepared according to the prior art, a cold-drawn steel bar net frame is arranged in the concrete base material, and the solid precast bar-shaped wallboard is prepared by group vertical mold casting forming and autoclaved curing. Solid prefabricated bar wallboard both sides are equipped with tongue 310, like public tongue and female tongue, scribble the caulking mortar on public tongue and female tongue, butt joint is assembled and is got up and obtain precast concrete wallboard 300. The splicing number can be set according to actual needs.
The specification of the light micro-bubble ceramic plate 100 can be selected from 2400mm multiplied by 600mm and 2400mm multiplied by 1200mm, and the light micro-bubble ceramic plate is assembled according to the size of a field. The gap between two adjacent light micro-bubble ceramic plates is sealed by a foam strip 130 and/or a sealant.
In order to make the integrated wall panel suitable for prefabricated construction, the insulation layer 120 should be selected to have the characteristics of light weight, high strength and good insulation effect. Preferably, closed pores are distributed in the material of the heat-insulating layer 120, the porosity is 75-85%, and the volume weight is 1.00-1.95 g/cm3The heat conductivity coefficient is less than or equal to 0.4W (m.K), the water absorption is less than or equal to 2 percent, and the bending strength is more than or equal to 15 MPa.
The embodiment provides a raw material formula of a heat-insulating layer 120 and a preparation method thereof. The heat-insulating layer is prepared from the following raw materials in parts by weight: 37.6 parts of molybdenite tailings, 10 parts of calcareous waste stone powder, 10 parts of terrazzo, 10 parts of ball clay, 10 parts of fly ash, 10 parts of expansive soil, 10 parts of diatomite, 0.8 part of inorganic composite foaming agent, 0.8 part of sintering aid and 0.8 part of colorant; the inorganic composite foaming agent comprises the following components in percentage by mass of 3: 1: 1 SiC, MgCO3And the OCP, wherein the sintering aid is prepared from the following components in percentage by mass: 1: 3 MgO and Cr2O3、Na2B4O7And (4) forming. The preparation method comprises the following steps: weighing the raw materials in proportion, adding the raw materials into a dry-method granulator, mixing and granulating, drying, then pressing and forming, putting the mixture into an energy-saving roller kiln, naturally melting and foaming at the temperature of 1100 ℃, preserving heat for 10min, forming closed pores which are uniformly and densely distributed in a sintering period of 50min, sintering to obtain the light foamed heat-insulating ceramic material, cooling, and then cutting to obtain the heat-insulating layer. Through detection, the performance of the heat-insulating material is as follows: the porosity is 82 percent, and the volume weight is 1.62g/cm3The heat conductivity was 0.27W (m.K), the water absorption was 1.4%, and the flexural strength was 19 MPa.
Example 2
A manufacturing method of an assembled decoration and heat preservation integrated wallboard comprises the following steps:
(1) positioning and paying off the precast concrete wall panel 300;
(2) fixing the keel frame 200 on the precast concrete wall panel 300 by using the main keel fixing member 210, wherein the precast concrete wall panel 300 is internally provided with a reinforcing mesh 320;
(3) fixing an aluminum alloy bracket 220 on the keel by using a stainless steel bolt 222, installing an aluminum alloy pendant A221 on the aluminum alloy bracket 220, wherein the aluminum alloy pendant A221 can be an aluminum alloy SE pendant, the upper surface and the lower surface of the aluminum alloy pendant A221 are both provided with through grooves, correspondingly, short grooves with the length of 8-12 mm are formed in the light micro-bubble ceramic plate 100, or through grooves are formed, and installing the light micro-bubble ceramic plate 100 on the aluminum alloy pendant A221, as shown in FIG. 2;
alternatively, the stainless steel bracket 230 is fixed on the keel by stainless steel bolts 222, the aluminum alloy hanger B231 is installed on the stainless steel bracket 230, and the light micro-bubble ceramic plate 100 is fixed on the aluminum alloy hanger B231 by stainless steel back bolts 232, as shown in fig. 3; 2-6 aluminum alloy pendants B231 can be correspondingly arranged on each light micro-bubble ceramic plate 100;
(4) rechecking and adjusting the position of the light micro-bubble ceramic plate 100;
(5) and (3) injecting glue to gaps among the light micro-bubble ceramic plates 100 for filling the gaps, and cleaning facing.
Example 3
A dry construction method of an assembled decoration and heat preservation integrated wallboard comprises the following steps:
(1) cleaning a foundation floor, positioning and paying off, and hoisting the assembled decoration and heat insulation integrated wallboard in place;
(2) placing angle steel 410 at the joint of the precast concrete wall panel 300 and the steel column 400, fixing one side of the angle steel 410 on the precast concrete wall panel 300 by using a 75mm countersunk self-tapping self-drilling screw 411, welding the other side of the angle steel 410 on the steel column 400, and filling a splicing gap between the precast concrete wall panel 300 and the steel column 400 by using sealant to realize the fixed connection and sealing structure of the precast concrete wall panel 300 and the steel column 400; see FIG. 4;
(3) anchoring steel bars 510 are driven in to fixedly connect the precast concrete wall panel 300 with the base floor 500; the anchoring reinforcing steel bars 510 are phi 6 multiplied by 100 reinforcing steel bars, phi 8 multiplied by 90 rubber plugs 511 are sleeved on the two ends of the reinforcing steel bars, and the depth of anchoring the reinforcing steel bars into the precast concrete wall panel 300 is 30 mm; see FIG. 5;
(4) arranging a PE rod 420 in a gap between the precast concrete wallboard 300 and the steel column 400, and filling the gap with a flexible caulking material to form an elastic caulking layer;
(5) fine stone concrete 520 is tamped into the gap between the precast concrete wall panel 300 and the base floor 500, and the gap between the precast concrete wall panel 300 and the top surface is filled with polymer cement mortar;
(6) mortar is used for filling joints among the prefabricated concrete wallboards 300, and glue is injected among the light micro-bubble ceramic plates 100 for filling joints;
(7) local repair and wall surface cleaning.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An assembled decorative heat-preservation integrated wallboard is characterized by comprising a light micro-bubble ceramic plate, a keel frame and a precast concrete wallboard which are sequentially stacked; the light micro-bubble ceramic plate comprises a decorative layer and an insulating layer, wherein the decorative layer is bonded on the insulating layer; the heat-insulating layer is fixed on the keel frame through a fixing piece; the keel frame is fixed on the precast concrete wallboard;
closed pores are distributed in the heat-insulating layer, the porosity is 75-85%, and the volume weight is 1.00-1.95 g/cm3Thermal conductivity coefficient is less than or equal to 0.4W (m.K), water absorption is less than or equal to 2Percent, bending strength is more than or equal to 15 MPa.
2. The assembled decorative heat-insulating integrated wallboard of claim 1, wherein the heat-insulating layer is prepared from the following raw materials in parts by weight:
30-50 parts of molybdenite tailings, 8-12 parts of calcareous waste stone powder, 8-12 parts of water-milled albite, 8-12 parts of ball clay, 8-12 parts of fly ash, 8-12 parts of expansive soil, 8-12 parts of diatomite, 0.5-1.0 part of inorganic composite foaming agent, 0.5-1.0 part of sintering aid and 0.5-1.0 part of colorant; the inorganic composite foaming agent is prepared from SiC and MgCO3And octacalcium phosphate; the sintering aid is composed of MgO and Cr2O3、Na2B4O7And (4) forming.
3. The fabricated decorative and thermal insulation integrated wallboard of claim 2, wherein the thermal insulation layer is prepared by the following method:
mixing and granulating the raw materials, drying, pressing and forming, naturally melting and foaming at 1050-1200 ℃, preserving heat for 3-12 min, sintering for 45-60 min, sintering to obtain the light foamed heat-insulating ceramic material, cooling, and cutting to obtain the heat-insulating layer.
4. The assembly type decoration and heat preservation integrated wall board according to claim 1, wherein the decoration layer is made of natural stone or wood.
5. The fabricated decorative and thermal insulating integrated wallboard according to claim 1, wherein the precast concrete wallboard is prepared by the following method:
the concrete base material is prepared by taking cement, silica sand powder, sand, an additive and water as raw materials, a cold-drawn steel bar net rack is arranged in the concrete base material, the concrete base material is cast and formed by a group of vertical molds, autoclaved curing is carried out, a solid prefabricated strip-shaped wallboard is prepared, and a plurality of solid prefabricated strip-shaped wallboards are spliced to obtain the concrete base material.
6. The assembled type decoration and heat preservation integrated wall board according to claim 5, wherein the side edges of the solid prefabricated strip-shaped wall boards are provided with male falcon grooves and/or female falcon grooves, and after caulking mortar is coated on the male falcon grooves and the female falcon grooves, the prefabricated concrete wall boards are obtained through butt joint and assembly.
7. The assembled decorative and thermal insulation integrated wallboard according to any one of claims 1-6, wherein a plurality of the light micro-bubble ceramic plates are fixed on the keel frame in a short groove supporting mode and/or a back bolt point supporting mode, and gaps between two adjacent light micro-bubble ceramic plates are sealed by foam strips and/or sealant.
8. The manufacturing method of the assembled decoration and heat insulation integrated wallboard according to any one of claims 1 to 6 is characterized by comprising the following steps:
(1) positioning and paying off the precast concrete wallboard;
(2) installing and fixing a keel frame on the precast concrete wallboard;
(3) fixing the heat-insulating layer of the light micro-bubble ceramic plate with the keel frame by using a fixing piece, so that the light micro-bubble ceramic plate is fixed on the keel frame;
(4) rechecking and adjusting the position of the light micro-bubble ceramic plate;
(5) and injecting glue into the gaps among the light micro-bubble ceramic plates for filling gaps.
9. The manufacturing method according to claim 8, wherein the step (3) is specifically: installing a bracket on the keel frame, slotting the light micro-bubble ceramic plate, and fixing the light micro-bubble ceramic plate on the bracket;
or, a pendant is arranged on the keel frame, holes are drilled in the back of the light micro-bubble ceramic plate, and the light micro-bubble ceramic plate is fixed on the pendant through a back bolt.
10. A dry construction method of the fabricated decoration and heat insulation integrated wallboard according to any one of claims 1 to 6 comprises the following steps:
(1) cleaning a foundation floor, positioning and paying off, and hoisting the assembled decoration and heat insulation integrated wallboard in place;
(2) fixing the precast concrete wallboard on a bearing support of a building to be installed, and filling a splicing gap between the precast concrete wallboard and the bearing support by using sealant;
(3) driving anchoring steel bars to fixedly connect the precast concrete wallboard with the base floor;
(4) arranging an elastic caulking layer in a gap between the precast concrete wallboard and the bearing support;
(5) tamping concrete into a gap between the precast concrete wallboard and the base floor to be filled, and filling mortar into a gap between the precast concrete wallboard and the top surface;
(6) mortar is used for filling joints between prefabricated concrete wallboards, and glue is injected between the light micro-bubble ceramic plates for filling joints;
(7) local repair and wall surface cleaning.
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| CN114396128A (en) * | 2022-03-04 | 2022-04-26 | 广州工程总承包集团有限公司 | External protruding light partition wall with detachable construction |
| CN114482329A (en) * | 2022-03-04 | 2022-05-13 | 广州工程总承包集团有限公司 | Le gao type assembled wallboard system with temperature regulation function |
| CN114508210A (en) * | 2022-03-04 | 2022-05-17 | 广州工程总承包集团有限公司 | Light partition wall with external bulges and manufacturing method and manufacturing mold thereof |
| CN118029615A (en) * | 2024-04-10 | 2024-05-14 | 苏州旭杰绿建装配式设计有限公司 | Prefabricated concrete composite board of green building of assembled |
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