Fabricated steel-bamboo mixed building system

Abstract

The utility model relates to the technical field of constructional engineering, in particular to an assembly type steel and bamboo mixed building system which comprises an outer wall structure, the outer wall structure comprises a second recombination bamboo sandwich board, a purline and a recombination bamboo board, the purline is fixed between the second recombination bamboo sandwich board and the recombination bamboo board, and the two ends of the purline are used for being connected to steel columns. According to the assembly type steel-bamboo mixed building system, through the assembly type inner wall structure and the assembly type outer wall structure, construction operation of the wall body made of the recombined bamboo is simplified, efficiency of wall body construction is improved, and the problems that in the prior art, when the recombined bamboo is used as the building material, construction procedures are complex, and construction cost is high are solved. And the construction efficiency is low.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, specifically to a prefabricated steel-bamboo hybrid building system. Background Technology

[0002] Bamboo is a tree-like grass, one of the fastest-growing plants in the world, and bamboo forests are the world's largest collectors of carbon dioxide. In the construction industry, bamboo is generally used for decoration and finishing, but its use in wall construction is relatively limited. Currently, bamboo can be processed into reconstituted bamboo for use in construction. However, since building walls also require insulation, an additional insulation layer needs to be added on top of the reconstituted bamboo, along with an additional finishing layer, leading to complex construction procedures and low construction efficiency. Utility Model Content

[0003] The purpose of this utility model is to provide a prefabricated steel-bamboo hybrid building system to solve the technical problems of complex construction procedures and low construction efficiency when using reconstituted bamboo as a building material in the prior art. The specific technical solution is as follows:

[0004] This utility model provides a prefabricated steel-bamboo hybrid building system, including an exterior wall structure. The exterior wall structure includes a second reconstituted bamboo sandwich panel, purlins, and reconstituted bamboo panels. The purlins are fixed between the second reconstituted bamboo sandwich panel and the reconstituted bamboo panels, and both ends of the purlins are used to connect to steel columns.

[0005] A further improvement of this prefabricated steel-bamboo hybrid building system is that the second reconstituted bamboo sandwich panel is provided with a waterproof and breathable membrane on the side near the purlin.

[0006] A further improvement of this prefabricated steel-bamboo hybrid building system is that a heat-insulating pad is provided along the entire length of the purlin near the second reconstituted bamboo sandwich panel.

[0007] A further improvement of this prefabricated steel-bamboo hybrid building system is that a vapor barrier layer is provided on the side of the reconstituted bamboo panel near the purlin.

[0008] A further improvement of this prefabricated steel-bamboo hybrid building system is that it also includes an interior wall structure, which includes a first reconstituted bamboo sandwich panel, a top fixing component, and a bottom fixing component. The top of the first reconstituted bamboo sandwich panel is fixed to the floor slab by the top fixing component, and the bottom of the first reconstituted bamboo sandwich panel is fixed to the floor by the bottom fixing component.

[0009] A further improvement of this prefabricated steel-bamboo hybrid building system is that construction adhesive is provided between the top of the first reconstituted bamboo sandwich panel and the floor slab.

[0010] The further improvement of the assembly type steel-bamboo mixed building system is that the top fixing assembly comprises an L-shaped piece and a first expansion bolt, and the L-shaped piece is connected to the first reorganized bamboo sandwich panel and the floor slab through the first expansion bolt.

[0011] The further improvement of the assembly type steel-bamboo mixed building system is that the bottom fixing assembly comprises a U-shaped piece and a second expansion bolt, the U-shaped piece is fixed on the floor slab through the second expansion bolt, and the first reorganized bamboo sandwich panel is fixed in the U-shaped piece through a pull rivet.

[0012] The further improvement of the assembly type steel-bamboo mixed building system is that the first reorganized bamboo sandwich panel and the second reorganized bamboo sandwich panel are of the same structure, the first reorganized bamboo sandwich panel comprises a reorganized bamboo shell and a thermal insulation inner core, the thermal insulation inner core is filled in the reorganized bamboo shell, the inner wall of the reorganized bamboo shell is provided with fireproof paint, and the outer periphery of the reorganized bamboo shell is provided with a veneer layer.

[0013] The further improvement of the assembly type steel-bamboo mixed building system is that the end of the first reorganized bamboo sandwich panel is provided with a tenon, and the end of the tenon is provided with a mortise; and a sealing layer is arranged on the bottom wall of the mortise.

[0014] The technical scheme of the assembly type steel-bamboo mixed building system has the following beneficial effects:

[0015] The assembly type steel-bamboo mixed building system simplifies the wall construction operation by using the reorganized bamboo as the material through the assembly type inner wall structure and outer wall structure, improves the wall construction efficiency, and solves the technical problems of complex construction process and low construction efficiency when the reorganized bamboo is used as the building material in the prior art. The first reorganized bamboo sandwich panel and the second reorganized bamboo sandwich panel of the assembly type steel-bamboo mixed building system are of the same structure, have the functions of thermal insulation and veneer, and reduce the process of additionally installing the thermal insulation layer and the veneer panel when the reorganized bamboo panel is used as the wall material. The structure of the assembly type steel-bamboo mixed building system can achieve low-carbon environmental protection, energy saving and emission reduction in the whole production, construction and installation process.

[0016] In addition to the purposes, characteristics and advantages described above, the utility model has other purposes, characteristics and advantages. The utility model will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute an improper limitation on the utility model. In the drawings:

[0018] Figure 1 is a schematic view of the outer wall structure of the assembly type steel-bamboo mixed building system of the utility model.

[0019] Figure 2 is the schematic view of the inner wall structure of the assembled steel-bamboo mixed building system of the utility model;

[0020] Figure 3 is the perspective view of the first restructured bamboo sandwich panel of the assembled steel-bamboo mixed building system of the utility model;

[0021] Figure 4 is Figure 3 the a-a line section view in figure;

[0022] Figure 5 is Figure 3 the b-b line section view in figure;

[0023] Figure 6 is the structural schematic view of the U-shaped piece of the assembled steel-bamboo mixed building system of the utility model;

[0024] Figure 7 is the structural schematic view of the L-shaped piece of the assembled steel-bamboo mixed building system of the utility model.

[0025] Wherein, 1, the heat preservation inner core;2, the restructured bamboo shell;3, the fireproof paint;4, the finish layer;5, the tenon;6, the mortise;7, the L-shaped piece;8, the first restructured bamboo sandwich panel;9, the building glue;10, the floor;11, the first expansion bolt;12, the sealing layer;13, the U-shaped piece;14, the rivet;15, the restructured bamboo board;16, the vapor barrier layer;17, the waterproof and breathable film;18, the waterproof nail;19, the purline;20, the heat insulation gasket;21, the self-tapping screw;22, the second restructured bamboo sandwich panel;23, the floor;24, the second expansion bolt. DETAILED DESCRIPTION

[0026] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0027] Referring to Figures 1-7 The assembled steel-bamboo mixed building system includes the outer wall structure, and the outer wall structure includes the second restructured bamboo sandwich panel 22, the purline 19 and the restructured bamboo board 15;The purline 19 is fixed between the second restructured bamboo sandwich panel 22 and the restructured bamboo board 15, and the two ends of the purline 19 are used to be connected to the steel column.

[0028] Specifically, as Figure 1As shown, the section of the purline 19 is C-shaped and made of steel material, and the two ends of the purline 19 are fixed on the steel columns on the two sides, which can also be other types of columns. The reconstituted bamboo board 15 is fixed on the purline 19 by self-tapping screws 21, and the second reconstituted bamboo sandwich board 22 is fixed on the purline 19 by waterproof nails 18. The side of the reconstituted bamboo board 15 opposite to the purline 19 is provided with an outer veneer 4, so that the inner wall and the outer wall do not need to be decorated. The setting of the purline 19 realizes the steel skeleton and the reconstituted bamboo sandwich board integrated with the heat preservation.

[0029] The utility model provides a kind of good anticorrosive effect, high durability, recyclable assembly type steel bamboo mixed building system, its building parts component all reside factory production, site assembly does not have any cast-in-place operation, realize whole life cycle quality control system;And in production, construction, installation whole process can be low-carbon environmental protection, energy saving and emission reduction, popularize green environmental protection building material.

[0030] Preferably, the second reconstituted bamboo sandwich board 22 is provided with a waterproof and breathable membrane 17 on the side close to the purline 19, thereby improving the waterproof effect of the second reconstituted bamboo sandwich board 22 and ensuring a certain air permeability.

[0031] Preferably, the purline 19 is provided with a heat insulation gasket 20 on the side close to the second reconstituted bamboo sandwich board 22, thereby avoiding heat transfer from the purline 19 to the reconstituted bamboo board 15. The heat insulation gasket 20 can be made of rubber sponge or ethylene-propylene-diene rubber.

[0032] Preferably, the reconstituted bamboo board 15 is provided with a vapor barrier 16 on the side close to the purline 19, thereby avoiding the penetration of indoor water vapor into the second reconstituted bamboo sandwich board 22 through the reconstituted bamboo board 15.

[0033] Preferably, the utility model further includes an inner wall structure, which includes a first reconstituted bamboo sandwich board 8, a top fixing assembly and a bottom fixing assembly. The top of the first reconstituted bamboo sandwich board 8 is fixed on the floor slab 10 by the top fixing assembly, and the bottom of the first reconstituted bamboo sandwich board 8 is fixed on the floor 23 by the bottom fixing assembly.

[0034] Preferably, building glue 9 is provided between the top of the first reconstituted bamboo sandwich board 8 and the floor slab 10, thereby sealing the gap between the first reconstituted bamboo sandwich board 8 and the floor slab 10.

[0035] Preferably, as Figure 2 and Figure 7As shown, the top fixing assembly comprises an L-shaped piece 7 and a first expansion bolt 11, and the first expansion bolt 11 connects the L-shaped piece 7 to the first reconstituted bamboo sandwich panel 8 and the floor slab 10. The number of the top fixing assembly is two, which are respectively located on both sides of the first reconstituted bamboo sandwich panel 8, and the number of the first expansion bolt 11 is multiple, and the multiple first expansion bolts 11 are fixed between the L-shaped piece 7 and the first reconstituted bamboo sandwich panel 8 and between the L-shaped piece 7 and the floor slab 10.

[0036] Preferably, as shown in Figure 2 and Figure 6 As shown, the bottom fixing assembly comprises a U-shaped piece 13 and a second expansion bolt 24, and the U-shaped piece 13 is fixed on the floor 23 through the second expansion bolt 24, and the first reconstituted bamboo sandwich panel 8 is fixed in the U-shaped piece 13 through the pull rivet 14. The width inside the U-shaped piece 13 is slightly larger than the thickness of the first reconstituted bamboo sandwich panel 8, and when installing, the U-shaped piece 13 is fixed on the floor slab 10 through the first expansion bolt 11, and then the first reconstituted bamboo sandwich panel 8 is inserted into the U-shaped piece 13, and the pull rivet 14 is fixed by penetrating the U-shaped piece 13 and the first reconstituted bamboo sandwich panel 8 together.

[0037] Preferably, as shown in Figures 3-5 As shown, the structure of the second reconstituted bamboo sandwich panel 22 is the same as that of the first reconstituted bamboo sandwich panel 8; the first reconstituted bamboo sandwich panel 8 comprises a reconstituted bamboo shell 2 and a thermal insulation core 1, the thermal insulation core 1 is filled in the reconstituted bamboo shell 2, the inner wall of the reconstituted bamboo shell 2 is provided with fireproof paint 3, and the outer periphery of the reconstituted bamboo shell 2 is provided with a decorative layer 4. The first reconstituted bamboo sandwich panel 8 is provided with a decorative layer 4, so that the interior wall body does not need to be decorated. The decorative layer 4 is a waterproof decorative layer 4.

[0038] In the embodiment, the first restructured bamboo sandwich panel 8 is taken as an example to illustrate the structure. The first restructured bamboo sandwich panel 8 is wrapped with thermal insulation material, and is a kind of combined material, which can further realize the integration of the envelope structure and the thermal insulation function. The utility model does not limit the specific thermal insulation material, and the existing thermal insulation material can be used as the thermal insulation inner core 1. The thermal insulation material can be glass wool or rock wool. In the production of the first restructured bamboo sandwich panel 8, the thermal insulation material is first hot-pressed into an integrated thermal insulation inner core 1 by a machine, and the restructured bamboo shell 2 is additionally impregnated with glue. The restructured bamboo shell 2 is thinly coated with fireproof paint 3 in the factory. The restructured bamboo shell 2 with the thin fireproof paint 3 is further coated with a waterproof finish layer 4, which can be various colors. The first restructured sandwich panel is produced in the factory, and is assembled on site, so that the thermal insulation operation and the decoration operation can be realized on site. The thickness of the restructured bamboo sandwich panel in the h direction can be limited to 80mm, 100mm, 150mm, 200mm and 300mm. The width in the W direction can be limited to 0.5m, 0.6m, 1.0m and 1.2m. The length in the L direction can be limited to 3m and 3.6m, and can be any length or the same as the building height. Further, the first restructured bamboo sandwich panel 8 and the second restructured bamboo sandwich panel 22 can be freely cut into any size.

[0039] Preferably, the first restructured bamboo sandwich panel 8 is provided with a tenon 5 at the end, and the first restructured bamboo sandwich panel 8 is provided with a mortise 6 at the end opposite to the tenon 5. When assembled and spliced, the tenon and the mortise are connected, which is more stable, more sealed and better.

[0040] Preferably, the bottom wall of the mortise 6 is provided with a sealing layer 12, which is pasted along the length of the bottom wall of the mortise 6. In the embodiment, the sealing layer 12 can be an orange plastic sponge strip.

[0041] The prefabricated steel-bamboo mixed building system simplifies the wall construction operation by using the restructured bamboo as the material through the prefabricated inner wall structure and the outer wall structure, improves the wall construction efficiency, and solves the technical problems of complex construction process and low construction efficiency when the restructured bamboo is used as the building material in the prior art. The first restructured bamboo sandwich panel 8 and the second restructured bamboo sandwich panel 22 of the utility model have the same structure, and have the functions of thermal insulation and decoration, which reduces the process of additionally installing the thermal insulation layer and the decorative panel when the restructured bamboo panel is used as the wall material. The structure of the utility model can achieve low carbon environmental protection, energy saving and emission reduction in the whole production, construction and installation process.

[0042] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fabricated steel-bamboo hybrid building system, characterized in that, The outer wall structure comprises a second re-bamboo sandwich panel (22), a purlin (19) and a re-bamboo panel (15), the purlin (19) is fixed between the second re-bamboo sandwich panel (22) and the re-bamboo panel (15), and two ends of the purlin (19) are used for being connected to a steel column.

2. The fabricated steel-bamboo hybrid building system of claim 1, wherein, The second re-bamboo sandwich panel (22) is provided with a waterproof and breathable film (17) on a side close to the purlin (19). 3.The fabricated steel-bamboo hybrid building system of claim 1, wherein, The purlin (19) is provided with a heat insulation gasket (20) on a side close to the second re-bamboo sandwich panel (22) in a length direction.

4. The fabricated steel-bamboo hybrid building system of claim 1, wherein, The re-bamboo panel (15) is provided with a steam barrier layer (16) on a side close to the purlin (19).

5. The fabricated steel-bamboo hybrid building system of claim 1, wherein, The inner wall structure comprises a first re-bamboo sandwich panel (8), a top fixing assembly and a bottom fixing assembly, the top of the first re-bamboo sandwich panel (8) is fixed on a floor slab (10) through the top fixing assembly, and the bottom of the first re-bamboo sandwich panel (8) is fixed on a floor (23) through the bottom fixing assembly.

6. The fabricated steel-bamboo hybrid building system of claim 5, wherein, The top of the first re-bamboo sandwich panel (8) is provided with a building glue (9) between the top and the floor slab (10).

7. The fabricated steel-bamboo hybrid building system of claim 5, wherein, The top fixing assembly comprises an L-shaped piece (7) and a first expansion bolt (11), and the first expansion bolt (11) connects the L-shaped piece (7) to the first re-bamboo sandwich panel (8) and the floor slab (10). 8.The fabricated steel-bamboo hybrid building system of claim 5, wherein, The bottom fixing assembly comprises a U-shaped piece (13), a pull rivet (14) and a second expansion bolt (24), the U-shaped piece (13) is fixed on the floor (23) through the second expansion bolt (24), and the first re-bamboo sandwich panel (8) is fixed in the U-shaped piece (13) through the pull rivet (14). 9.The fabricated steel-bamboo hybrid building system of claim 5, wherein, The first re-bamboo sandwich panel (8) and the second re-bamboo sandwich panel (22) have the same structure, the first re-bamboo sandwich panel (8) comprises a re-bamboo shell (2) and a heat preservation inner core (1), the heat preservation inner core (1) is filled in the re-bamboo shell (2), an inner wall of the re-bamboo shell (2) is provided with fireproof paint (3), and an outer periphery of the re-bamboo shell (2) is provided with a veneer layer (4).

10. The fabricated steel-bamboo hybrid building system of claim 5, wherein, An end of the first re-bamboo sandwich panel (8) is provided with a tenon (5), and a back end of the first re-bamboo sandwich panel (8) opposite to the tenon (5) is provided with a mortise (6), and a bottom wall of the mortise (6) is provided with a sealing layer (12).

Images