CN217871133U - Prefabricated engineering bamboo-geopolymer-based foam concrete combined wall - Google Patents
Prefabricated engineering bamboo-geopolymer-based foam concrete combined wall Download PDFInfo
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- CN217871133U CN217871133U CN202221363699.4U CN202221363699U CN217871133U CN 217871133 U CN217871133 U CN 217871133U CN 202221363699 U CN202221363699 U CN 202221363699U CN 217871133 U CN217871133 U CN 217871133U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a prefabricated engineering bamboo-geopolymer base foam concrete combined wall. The inner engineering bamboo wallboard and the outer engineering bamboo wallboard are both provided with a plurality of grooves at intervals on the inner surface; the reinforcing mesh is arranged in a cavity between the inner engineering bamboo wallboard and the outer engineering bamboo wallboard; a plurality of blocky drawknot engineering bamboo connecting pieces are arranged in the cavity at intervals, and the drawknot engineering bamboo connecting pieces penetrate through the gaps of the reinforcing mesh, one end face of each drawknot engineering bamboo connecting piece props against the inner surface of the inner engineering bamboo wallboard, and the other end face of each drawknot engineering bamboo connecting piece props against the inner surface of the outer engineering bamboo wallboard; self-tapping screws respectively penetrate into the drawknot engineering bamboo connecting pieces from two sides of the wall body to connect the inner engineering bamboo board and the outer engineering bamboo board into a whole; geopolymer-based foam concrete is poured in the cavity to form a prefabricated engineering bamboo-geopolymer-based foam concrete combined wall; the geopolymer-based foam concrete is heat-insulating concrete.
Description
Technical Field
The utility model relates to a prefabricated engineering bamboo-geopolymer base foam concrete bearing heat preservation decorates integration composite wall body belongs to prefabricated wall body technical field.
Background
The engineering bamboo material prepared by cutting, cooking, carbonizing, drying, gluing, recombining and the like of the round bamboo has stable size specification and performance, and has physical, mechanical and durability performances equivalent to those of wood, so that the engineering bamboo material can meet the application requirements in building structures. On the other hand, the engineering bamboo keeps the texture of the bamboo, is very beautiful and is widely applied to decorative materials.
The geopolymer-based foam concrete is a novel inorganic porous material prepared by introducing bubbles into geopolymer slurry in a physical foaming or chemical foaming mode on the basis of geopolymer technology, and combines the advantages of geopolymer materials and foam concrete, so that the geopolymer-based foam concrete has the advantages of energy conservation and waste utilization, heat preservation and insulation, energy absorption, excellent mechanical property and corrosion resistance and the like.
At present, the engineering bamboo is usually only used for decoration and fitment of the surface of a wall body, however, researches show that the engineering bamboo is excellent in mechanical property and can be used for bearing load.
How to combine the engineering bamboo and the geopolymer foam concrete to provide a wall body, so that the wall body has the effect of self-surface decoration and the load bearing capacity, and the technical problem to be solved in the field is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated engineering bamboo-geopolymer base foam concrete bearing keeps warm and decorates integration combination wall body combines the engineering bamboo timber and geopolymer base foam concrete to bear the load jointly, and the engineering bamboo timber not only can participate in the atress, still can directly regard as the template when concrete placement, also can regard as the decorative layer of wall body, is showing the utilization ratio that improves the engineering bamboo timber, compares with wooden skeleton combination wall body, can obviously improve the fire behavior of wall body.
The utility model adopts the following technical proposal:
a prefabricated engineering bamboo-geopolymer-based foam concrete load-bearing heat-preservation decoration integrated combined wall comprises an inner engineering bamboo wallboard 1, an outer engineering bamboo wallboard 2, geopolymer-based foam concrete 3, a tie engineering bamboo connecting piece 4, a self-tapping screw 5 and a reinforcing mesh 6; the inner engineering bamboo wallboard 1 and the outer engineering bamboo wallboard 2 are both provided with a plurality of grooves 21 on the inner surface at intervals; the reinforcing mesh 6 is arranged in a cavity between the inner engineering bamboo wallboard 1 and the outer engineering bamboo wallboard 2; a plurality of blocky drawknot engineering bamboo connecting pieces 4 are arranged in the cavity at intervals, and the drawknot engineering bamboo connecting pieces 4 penetrate through gaps of the reinforcing mesh 6, one end face of each drawknot engineering bamboo connecting piece supports against the inner surface of the inner engineering bamboo wallboard 1, and the other end face of each drawknot engineering bamboo connecting piece supports against the inner surface of the outer engineering bamboo wallboard 2; the self-tapping screws 5 respectively penetrate into the drawknot engineering bamboo connecting pieces 4 from two sides of the wall body to connect the inner engineering bamboo board and the outer engineering bamboo board into a whole; the geopolymer-based foam concrete 3 is poured into the cavity to form a prefabricated engineering bamboo-geopolymer-based foam concrete combined wall; the geopolymer-based foam concrete 3 is heat-insulating concrete.
Preferably, the inner engineering bamboo wallboard 1 and the outer engineering bamboo wallboard 2 are made of glued bamboo or recombined bamboo boards with the thickness of 20 mm-50 mm, and the surfaces of the glued bamboo and the recombined bamboo boards are subjected to anticorrosion and flame retardant treatment.
Preferably, the depth range of the grooves 21 formed on the inner surfaces of the inner engineering bamboo wallboard 1 and the outer engineering bamboo wallboard 2 is 5 mm-20 mm, and the distance is 100 mm-200 mm.
Preferably, the drawknot engineering bamboo connecting piece 4 is of a cuboid structure, the side length of the cross section of the drawknot engineering bamboo connecting piece is 60 mm-100 mm, the length of the drawknot engineering bamboo connecting piece is equal to the width of the cavity, the distance between the horizontal direction and the vertical direction is 100 mm-200 mm, and the drawknot engineering bamboo connecting piece penetrates through the reinforcing mesh when being arranged.
Preferably, the diameter of the tapping screw 5 is 6 mm-10 mm, and the length of the embedded drawknot engineering bamboo connecting piece 4 is not less than 8 times of the diameter.
Preferably, the reinforcing mesh 6 is formed by spot welding of vertical distribution reinforcing steel bars 61 and horizontal distribution reinforcing steel bars 62, and the spacing between the reinforcing steel bars is 100 mm-200 mm.
Preferably, the geopolymer-based foam concrete 3 is a novel inorganic porous material prepared by introducing bubbles into geopolymer slurry by adopting a physical foaming or chemical foaming mode, and the geopolymer raw material adopts slag or fly ash industrial waste rich in silica and alumina.
Preferably, the prefabricated engineering bamboo-geopolymer-based foam concrete load-bearing heat-preservation and decoration integrated combined wall is a prefabricated component prefabricated in a factory.
Preferably, the outer surface of at least one of the inner engineering bamboo wallboard 1 and the outer engineering bamboo wallboard 2 is directly used as a decorative surface without an additional decorative layer.
Preferably, the combined wall body is connected with the main structure of the building by at least one connecting piece of expansion bolts, self-tapping screws or pins.
The beneficial effects of the utility model reside in that:
1) The engineering bamboo and the geopolymer-based foam concrete are combined through the grooves and the tie engineering bamboo connecting pieces to form an engineering bamboo-geopolymer-based foam concrete load-bearing heat-preservation decoration integrated combined wall body to bear load together, the engineering bamboo can participate in stress, can be used as a template during concrete pouring and can also be used as a decoration layer of the wall body, and the utilization rate of the engineering bamboo is obviously improved;
2) Compared with a wood framework combined wall, the fireproof performance of the wall can be obviously improved; compared with the common concrete wall, the wall has the advantages of energy saving, waste utilization, heat preservation, heat insulation, light weight, high strength and the like.
3) The drawknot engineering bamboo connecting piece is adopted as an inner core, and the self-tapping screws are introduced into the inner core from two sides, so that the simplicity and the convenience of a connecting mode and the firmness of a structure are both considered.
4) The inner surface interval of ingenious inboard engineering bamboo wallboard and outside engineering bamboo wallboard sets up the recess, and during concrete placement, its inside concrete that is full of can improve the shear behavior of wall body, and simple structure, it is convenient to implement.
Drawings
Fig. 1 is a top sectional view of the prefabricated engineering bamboo-geopolymer based foam concrete load-bearing, heat-insulating and decorative integrated combined wall in the embodiment of the utility model.
Fig. 2 is a side sectional view of the prefabricated engineering bamboo-geopolymer based foam concrete load-bearing, heat-insulating and decorative integrated combined wall body in the embodiment of the utility model.
In the figure: 1. the concrete comprises an inner engineering bamboo wallboard, an outer engineering bamboo wallboard 2, grooves 21, geopolymer-based foam concrete 3, a drawknot engineering bamboo connecting piece 4, self-tapping screws 5, a reinforcing mesh 6, reinforcing steel bars 61, vertically distributed reinforcing steel bars, and horizontally distributed reinforcing steel bars 62.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the embodiment of the present invention provides a prefabricated engineering bamboo-geopolymer-based foam concrete load-bearing, thermal insulation and decoration integrated composite wall, which comprises an inner engineering bamboo wall board 1, an outer engineering bamboo wall board 2, geopolymer-based foam concrete 3, a tie engineering bamboo connecting piece 4, a tapping screw 5 and a reinforcing mesh 6.
The inner engineering bamboo wallboard 1 and the outer engineering bamboo wallboard 2 are provided with a plurality of grooves 21 at intervals on the inner surfaces, after reinforcing meshes 6 are inserted into cavities, the inner engineering bamboo wallboard and the outer engineering bamboo wallboard are connected into a whole by adopting a drawknot engineering bamboo connecting piece 4 and a self-tapping screw 5, and then geopolymer-based foam concrete 3 is poured to form the prefabricated engineering bamboo-geopolymer-based foam concrete combined wall.
According to calculation, the inner engineering bamboo wall board 1 and the outer engineering bamboo wall board 2 are made of glued bamboo boards with the thickness of 40mm, and the surfaces of the glued bamboo boards are subjected to anticorrosion and flame retardant treatment.
The depth of the grooves 21 formed in the inner surfaces of the inner engineering bamboo wallboard 1 and the outer engineering bamboo wallboard 2 is determined to be 10mm according to the thickness of the wallboards, and the distance is 200mm.
The length of the side of the cross section of the drawknot engineering bamboo connecting piece 4 is 80mm, the length is 120mm, and the steel bar net passes through when the drawknot engineering bamboo connecting piece is arranged with the horizontal direction and the vertical distance of 200mm.
The diameter of the tapping screw 5 is 6mm, and the length of the embedded drawknot engineering bamboo connecting piece 4 is not 50mm.
The reinforcing mesh 6 is formed by spot welding of vertical distribution reinforcing steel bars 61 and horizontal distribution reinforcing steel bars 62, and the distance between the reinforcing steel bars is 150mm.
The geopolymer-based foam concrete 3 is a novel inorganic porous material prepared by introducing bubbles into geopolymer slurry in a physical foaming way, and the geopolymer raw material adopts industrial wastes rich in silica and alumina, such as slag, fly ash and the like.
The combined wall body is prefabricated in a factory, and is installed on a construction site after maintenance is finished, and the engineering bamboo boards are directly used as decorative layers. The combination wall body is connected with the main body structure by self-tapping screws.
Compared with the prior art, the utility model combines the engineering bamboo material and the geopolymer-based foam concrete through the groove and the tie engineering bamboo connecting piece to form the engineering bamboo-geopolymer-based foam concrete load-bearing heat-preservation decoration integrated combined wall body to bear the load together, the engineering bamboo material not only can participate in the stress, but also can be used as a template during concrete pouring and a decorative layer of the wall body, the utilization rate of the engineering bamboo material is obviously improved, and compared with the wood framework combined wall body, the fireproof performance of the wall body can be obviously improved; compared with the common concrete wall, the wall has the advantages of energy saving, waste utilization, heat preservation, heat insulation, light weight, high strength and the like.
The above are only preferred embodiments of the present invention, and those skilled in the art can make various changes or modifications without departing from the general concept of the present invention, and such changes or modifications should fall within the scope of the present invention as claimed.
Claims (10)
1. A prefabricated engineering bamboo-geopolymer base foam concrete combined wall is characterized in that:
comprises an inner engineering bamboo wallboard (1), an outer engineering bamboo wallboard (2), geopolymer-based foam concrete (3), a drawknot engineering bamboo connecting piece (4), a self-tapping screw (5) and a reinforcing mesh (6);
a plurality of grooves (21) are formed in the inner surfaces of the inner engineering bamboo wallboard (1) and the outer engineering bamboo wallboard (2) at intervals;
the reinforcing mesh (6) is arranged in a cavity between the inner engineering bamboo wallboard (1) and the outer engineering bamboo wallboard (2);
a plurality of blocky drawknot engineering bamboo connecting pieces (4) are arranged in the cavity at intervals, the drawknot engineering bamboo connecting pieces (4) penetrate through the gaps of the reinforcing mesh (6), one end face of each drawknot engineering bamboo connecting piece abuts against the inner surface of the inner engineering bamboo wallboard (1), and the other end face of each drawknot engineering bamboo connecting piece abuts against the inner surface of the outer engineering bamboo wallboard (2);
the self-tapping screws (5) respectively penetrate into the drawknot engineering bamboo connecting pieces (4) from two sides of the wall body to connect the inner engineering bamboo board and the outer engineering bamboo board into a whole;
the geopolymer-based foam concrete (3) is poured into the cavity to form a prefabricated engineering bamboo-geopolymer-based foam concrete combined wall body;
the geopolymer-based foam concrete (3) is heat-insulating concrete.
2. The prefabricated engineering bamboo-geopolymer-based foam concrete composite wall body as claimed in claim 1, wherein: the inner engineering bamboo wallboard (1) and the outer engineering bamboo wallboard (2) are made of glued bamboo or recombined bamboo boards with the thickness of 20 mm-50 mm, and the surfaces of the glued bamboo and the recombined bamboo boards are subjected to anticorrosion and flame retardant treatment.
3. The prefabricated engineering bamboo-geopolymer-based foam concrete composite wall body as claimed in claim 1, wherein: the depth range of the grooves (21) formed on the inner surfaces of the inner engineering bamboo wallboard (1) and the outer engineering bamboo wallboard (2) is 5 mm-20 mm, and the distance is 100 mm-200 mm.
4. The prefabricated engineered bamboo-geopolymer based foam concrete composite wall of claim 1, wherein: the drawknot engineering bamboo connecting piece (4) is of a cuboid structure, the side length of the cross section of the drawknot engineering bamboo connecting piece is 60 mm-100 mm, the length of the cross section of the drawknot engineering bamboo connecting piece is equal to the width of the cavity, the distance between the horizontal direction and the vertical direction is 100 mm-200 mm, and the drawknot engineering bamboo connecting piece penetrates through the reinforcing mesh when being arranged.
5. The prefabricated engineered bamboo-geopolymer based foam concrete composite wall of claim 1, wherein: the diameter of the self-tapping screw (5) is 6 mm-10 mm, and the length of the embedded drawknot engineering bamboo connecting piece (4) is not less than 8 times of the diameter.
6. The prefabricated engineered bamboo-geopolymer based foam concrete composite wall of claim 1, wherein: the reinforcing mesh (6) is formed by spot welding of vertically distributed reinforcing steel bars (61) and horizontally distributed reinforcing steel bars (62), and the distance between the reinforcing steel bars is 100-200 mm.
7. The prefabricated engineered bamboo-geopolymer based foam concrete composite wall of claim 1, wherein: the geopolymer-based foam concrete (3) is a novel inorganic porous material prepared by introducing bubbles into geopolymer slurry in a physical foaming or chemical foaming way, and the geopolymer raw material adopts slag or fly ash industrial waste rich in silicon and aluminum.
8. The prefabricated engineering bamboo-geopolymer-based foam concrete composite wall body as claimed in claim 1, wherein: the prefabricated engineering bamboo-geopolymer-based foam concrete load-bearing heat-preservation and decoration integrated combined wall body is a prefabricated component prefabricated in a factory.
9. The prefabricated engineering bamboo-geopolymer-based foam concrete composite wall body as claimed in claim 1, wherein: the outer surface of at least one of the inner engineering bamboo wallboard (1) and the outer engineering bamboo wallboard (2) is directly used as a decorative surface, and no additional decorative layer is added.
10. The prefabricated engineered bamboo-geopolymer based foam concrete composite wall of claim 1, wherein: the connection of the combined wall and the main structure of the building is realized by at least one connecting piece of expansion bolts, self-tapping screws or pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221363699.4U CN217871133U (en) | 2022-05-24 | 2022-05-24 | Prefabricated engineering bamboo-geopolymer-based foam concrete combined wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221363699.4U CN217871133U (en) | 2022-05-24 | 2022-05-24 | Prefabricated engineering bamboo-geopolymer-based foam concrete combined wall |
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| Publication Number | Publication Date |
|---|---|
| CN217871133U true CN217871133U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221363699.4U Active CN217871133U (en) | 2022-05-24 | 2022-05-24 | Prefabricated engineering bamboo-geopolymer-based foam concrete combined wall |
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| Country | Link |
|---|---|
| CN (1) | CN217871133U (en) |
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2022
- 2022-05-24 CN CN202221363699.4U patent/CN217871133U/en active Active
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