Decoration heat-insulation enclosure bearing integrated multi-ribbed composite prefabricated external wall panel and manufacturing method thereof
Technical Field
The invention relates to a multi-ribbed composite prefabricated external wall panel, in particular to a decorative heat-insulating enclosure bearing integrated multi-ribbed composite prefabricated external wall panel and a manufacturing method thereof.
Background
Along with the high-speed development of the building industry in China, the problem of reasonable utilization of building resources is not ignored, in terms of energy consumption, the building energy consumption accounts for 25% -27% of the total energy consumption in China, and the energy consumption caused by the outer wall of the building accounts for higher proportion of the total energy consumption of the whole building, so that the good heat preservation performance of the building wall is the core for realizing the energy conservation of the building. The wall body heat preservation and structure integration is realized, the same service life of the heat preservation and the building is ensured, the steps of innovation of novel wall body materials and energy conservation of the building are promoted, the method is not only a great innovation of the traditional building design and construction method, but also meets the requirements of building energy conservation development, and meets the requirements of continuously perfecting building standardization, component production industrialization, construction mechanization and management high efficiency, improving labor productivity, reducing engineering cost, improving engineering quality and realizing sustainable development of green buildings.
At present, the outer heat preservation system of the building outer wall adopts a foaming type heat preservation plate to be adhered on the surface of the outer wall through processing, and is fixed by an anchor bolt, so that the outer side of the building wall is protected by a heat insulation material. The external heat preservation has good heat preservation effect, but strict requirements on materials and structures of a heat preservation system, high requirements on weather resistance and durability of the heat preservation system, strict construction process and high cost. The existing sandwich multi-ribbed heat-insulating composite wall achieves a heat-insulating effect by sandwiching high-efficiency heat-insulating materials between inner and outer page walls, but depends on actual experience and the existing production process, has a complex structure, is unfavorable for energy conservation and environmental protection, and has poor fireproof performance and durability; the internal structure cannot be effectively and tightly connected, and the compression resistance is weak. Especially, the peripheral wall is built by manpower, has low industrialization degree and occupies a large amount of resources. The traditional external wall insulation adopts a reinforced concrete structure or a brick material, so that the manufacturing cost is high, the time and labor are wasted, the manufacturing period is long, the quality is not easy to guarantee, and the insulation performance is poor; the standard industrial production can not be realized, and the development of the heat preservation and structure integrated wall body in China is not facilitated.
Disclosure of Invention
The invention provides a decorative heat-insulating enclosure bearing integrated multi-ribbed composite prefabricated external wall panel and a manufacturing method thereof for solving the technical problems in the prior art.
The invention adopts a technical scheme for solving the technical problems in the prior art that: the utility model provides a decorate heat preservation enclosure bearing integration dense rib compound prefabricated side fascia, includes the surface course the inboard bonding of surface course has the insulation block layer, the insulation block layer is laid into the district check structure, between the district check and be equipped with down supreme glass fiber net cloth, heat preservation strip and rib roof beam and the rib post that sets gradually around the insulation block layer, glass fiber net cloth bonds on the surface course, the heat preservation strip is laid glass fiber net cloth and is passed through glass fiber net cloth and bond with the surface course, glass fiber net cloth parcel is in the outside of heat preservation strip, rib roof beam and rib post adopt reinforced concrete structure, the width of glass fiber net is greater than the width of rib roof beam and rib post, the both sides that glass fiber net stretched out rib roof beam and rib post twine respectively on the bottom longitudinal bar of rib roof beam and rib post arrangement bar to adopt iron wire ligature fixed, rib roof beam and rib post are pour on the heat preservation strip, the medial surface of rib roof beam and rib post with the medial surface parallel and level of insulation block layer.
The heat preservation strip is made of extruded polystyrene foam plastic plates.
The thickness of the heat preservation strip is 20-100 mm.
Each of the cells is formed by paving a heat insulation block.
The heat-insulating building blocks laid into the heat-insulating building block layers are autoclaved sand aerated concrete blocks.
The widths of the rib beams and the rib columns are 40-200 mm.
The heat-insulating building block layer and the heat-insulating strip are adhered to the surface layer through the cement mortar layer.
The thickness of the surface layer is 4-16 mm.
The invention adopts another technical scheme for solving the technical problems in the prior art: the manufacturing method of the decorative heat-preservation enclosure bearing integrated multi-ribbed composite prefabricated external wall panel comprises the following steps:
firstly, reversely paving a surface layer on a platform, and supporting templates around the surface layer;
secondly, pouring a cement mortar layer on the surface layer;
thirdly, paving a heat-insulating building block layer on the cement mortar layer, wherein the heat-insulating building block layer is paved into a grid structure;
fourthly, paving glass fiber grid cloth between the areas and around the heat-insulating building block layer, horizontally bonding the glass fiber grid cloth on the surface layer, paving heat-insulating strips on the glass fiber grid cloth, and bonding the heat-insulating strips on the surface layer through the glass fiber grid cloth;
fifthly), erecting rib bars and rib columns above the protection layer Wen Tiao;
sixthly, winding two sides of the glass fiber mesh cloth extending out of the rib beam and the rib column on the bottom longitudinal ribs of the rib beam and the rib column reinforcing bars respectively, and binding and fixing the glass fiber mesh cloth by using iron wires;
seventh), pouring concrete on the protection Wen Tiao to form rib beams and rib columns which are flush with the inner side surfaces of the heat-insulating building blocks;
eighth) maintenance;
and ninth), demolding and lifting.
The invention has the advantages and positive effects that:
firstly), the weight is light, reinforced concrete rib beams and rib columns with smaller sections and reinforcement bars are taken as frameworks, the rib columns and the rib beams form a grid structure, autoclaved sand aerated concrete blocks are preset in the grid, and the filling density of the blocks is 450kg/m 3 ~700kg/m 3 Therefore, the invention has light weight compared with the traditional outer wall.
Secondly), the autoclaved sand aerated concrete block has good heat preservation and insulation performance, a large number of closed tiny pores are formed in the autoclaved sand aerated concrete block, energy exchange inside and outside a house can be effectively prevented, the autoclaved sand aerated concrete block has good thermal performance, self-insulation can be realized, extruded polystyrene foam plastic plate (XPS) heat preservation strips are bonded on the outer sides of rib beams and rib columns, and the heat bridge effect can be reduced to a large extent, so that the autoclaved sand aerated concrete block has good heat preservation and insulation performance compared with the existing outer wall.
Thirdly), the energy consumption and the earthquake resistance are good, the cracking and the inelastic deformation of the autoclaved sand aerated concrete block under the constraint condition are similar to those of the energy consumption device, the energy can be dissipated, and the energy consumption capability of the structure is improved; the autoclaved sand aerated concrete block has lower elastic modulus, so that the autoclaved sand aerated concrete block has the functions of absorbing and dispersing impact load, and therefore, compared with the traditional outer wall, the autoclaved sand aerated concrete block has good energy consumption and earthquake resistance.
Fourth), heat preservation and bearing are integrated, wall heat preservation and building structure are designed and constructed synchronously, the quality is safe and reliable, and the heat preservation and energy conservation are same as the life of a building. Through reasonable adjustment of the arrangement size of the dense ribs, the rib beams and the rib columns interact to jointly resist vertical and horizontal loads, and the bearing capacity requirement is met. Compared with the traditional outer wall, the wall has the advantages of good heat preservation and insulation, fireproof performance and compression resistance, and load-bearing members are saved.
Fifth), the structure is simple, and the cost is low; the quality is guaranteed, the construction speed is high, and the application range is wider.
Drawings
FIG. 1 is a schematic plan view of the structure of the present invention;
FIG. 2 is a cross-sectional view a-a of FIG. 1;
FIG. 3 is a section b-b of FIG. 1;
FIG. 4 is a schematic plan view of the structure of the present invention when prefabricated;
FIG. 5 is a cross-sectional view a-a of FIG. 4;
FIG. 6 is a section b-b of FIG. 4;
fig. 7 is a c-c cross-sectional view of fig. 1 and 4.
In the figure: 1. a rib beam; 2. rib columns; 3. a heat-insulating building block; 4. a heat preservation bar; 5. a surface layer; 6. reinforcing bars; 7. glass fiber mesh cloth; 8. and (5) a template.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
referring to fig. 1-3, a decorative heat-insulating enclosure bearing integrated dense-rib composite prefabricated external wallboard comprises a surface layer 5, rib beams 1, rib columns 2, heat-insulating building blocks 3 and heat-insulating strips 4, wherein the surface layer 5 has a decorative function, the inner side of the surface layer 5 is adhered with a heat-insulating building block layer, the heat-insulating building block layer is paved into a grid structure, glass fiber grid cloth 7, the heat-insulating strips 4, the rib beams 1 and the rib columns 2 which are sequentially arranged from bottom to top are arranged between the grids and around the heat-insulating building block layer, the glass fiber grid cloth 7 is adhered to the surface layer 5, the heat-insulating strips 4 are paved on the glass fiber grid cloth 7 and are adhered to the surface layer 5 through the glass fiber grid cloth 7, a thermal bridge for isolating the rib beams 1 and the rib columns 2 is arranged, the heat-insulating performance is improved, the glass fiber grid cloth 7 is wrapped on the outer side of the heat-insulating strips 4, the widths of the glass fiber grid cloth 7 are larger than the widths of the rib beams 1 and the rib columns 2, the rib beams 1 and the rib columns 2 adopt a concrete structure, the glass fiber grid cloth 7 is stretched out of the rib beams 1 and the rib columns 2, the glass fiber grid cloth 7 is not required to be wound on the rib beams 1 and the rib columns 2, the heat-insulating strips are arranged on the bottom of the rib columns 2, the heat-insulating building blocks are fixed by the rib beams 1 and the rib columns 2, the heat-insulating building blocks are not required to be provided, and the complex-insulating ribs are arranged on the rib frames 2, and the rib frames are required to be fixed, and the rib-insulating ribs 2, and the rib frame structures are fixed on the bottom-insulating ribs are the rib frame and the rib frame 2. The rib beam 1 and the rib column 2 are poured on the heat insulation strip 4 to form a main bearing member, the inner side surfaces of the rib beam 1 and the rib column 2 are flush with the inner side surface of the heat insulation building block layer, the whole structure is simple, and the connection of the inner members is tight.
According to the invention, the heat preservation strips 4 are arranged on the outer sides of the rib beams and the rib columns to isolate the thermal bridge of the concrete part, so that the overall heat preservation performance of the external wall panel can be improved, the heat preservation strips 4 are wrapped and fixed on the rib beams 1 and the rib columns 2 by adopting the glass fiber mesh cloth 7, the connection is tight and reliable, and complex connection structures such as anchor bolts are not needed, so that the structure of the external wall panel is simple. The invention integrates the functions of decoration, bearing and heat preservation, can save bearing components, can realize standardized prefabrication production of factories, is suitable for externally hung wall boards of frame structures and low-layer assembled self-bearing wall board structures, and has good development prospect.
In this embodiment, the heat-insulating strip 4 is preferably made of extruded polystyrene foam board. The heat-insulating strip 4 can also be made of other materials with similar heat-insulating performance, such as a vacuum plate. The thickness of the heat preservation strip 4 is 20-100 mm, and the specific size is determined according to the energy-saving design requirement. Each compartment is preferably paved by a heat insulation block, and has simple structure and good integrity. The heat-insulating building blocks 3 paved into the heat-insulating building block layers are autoclaved sand aerated concrete building blocks, and are light in weight and good in heat-insulating effect. The widths of the rib beam 1 and the rib column 2 are 40-200 mm, and the specific size is determined according to the bearing capacity. The heat-insulating building block layer and the heat-insulating strip 4 are adhered to the surface layer 5 through the cement mortar layer, so that the construction is convenient, and the adhesion effect is good. The thickness of the surface layer is 4-16 mm, and the specific size is determined according to technical regulations. The glass fiber mesh cloth 7 adopts alkali-resistant glass fiber mesh cloth, and has the properties of good insulation, strong heat resistance, corrosion resistance and the like.
Referring to fig. 4 to 7, the method for manufacturing the decorative heat-preserving enclosure bearing integrated multi-ribbed composite prefabricated external wall panel adopts a reverse beating process and comprises the following steps:
firstly) reversely paving a surface layer 5 on a platform, and supporting templates 8 around the surface layer;
secondly, a cement mortar layer with good bonding performance is poured on the surface layer 5;
thirdly, paving a heat-insulating block layer on the cement mortar layer by adopting heat-insulating blocks 3, wherein the heat-insulating block layer is paved into a grid structure;
fourthly, paving glass fiber grid cloth 7 between the areas and around the heat insulation block layer, wherein the glass fiber grid cloth 7 is adhered to the surface layer 5, and the glass fiber grid cloth 7 has the performances of good insulation, strong heat resistance, corrosion resistance and the like; a heat preservation strip 4 is paved on the glass fiber mesh cloth 7, the heat preservation strip 4 is adhered to the surface layer 5 through the glass fiber mesh cloth 7, and the heat preservation strip mainly plays a role in preserving heat and protecting a main body structure in the whole heat preservation structure;
fifthly), erecting the reinforcing bars 6 of the rib beam 1 and the rib column 2 above the heat insulation strip 4, and binding and forming the reinforcing bars 6 of the rib beam 1 and the rib column 2 outside the template 8;
sixthly, winding two sides of the glass fiber mesh cloth 7 extending out of the rib beam 1 and the rib column 2 on the bottom longitudinal ribs of the rib beam 1 and the rib column 2, and binding and fixing the ribs by using iron wires;
seventh), pouring concrete on the heat preservation strips 4 to form rib beams 1 and rib columns 2 which are flush with the inner side surfaces of the heat preservation building blocks; the rib beam 1 and the rib column 2 can effectively restrain the building blocks, and the whole body forms the decoration heat-insulation enclosure bearing integrated prefabricated wallboard.
Eighth) maintenance;
and ninth), demolding and lifting.
The manufacturing method is simple, convenient and quick, and the manufactured external wall panel has good integrity.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are within the scope of the present invention.