CN110847485A - Method for manufacturing recombined bamboo-foam concrete combined plate wall - Google Patents
Method for manufacturing recombined bamboo-foam concrete combined plate wall Download PDFInfo
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- CN110847485A CN110847485A CN201911068738.0A CN201911068738A CN110847485A CN 110847485 A CN110847485 A CN 110847485A CN 201911068738 A CN201911068738 A CN 201911068738A CN 110847485 A CN110847485 A CN 110847485A
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- recombined bamboo
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/72—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/72—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall
- E04B2/721—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
Abstract
The invention discloses a method for manufacturing a recombined bamboo-foam concrete combined plate wall, which cuts a recombined bamboo plate into square plates as an inner plate and an outer plate, wherein the left side and the upper side of the inner plate and the outer plate are made into convex ribs, the corresponding lower side and the right side are made into grooves, holes are respectively drilled at the four corners and the plate center of the inner plate and the outer plate, then fireproof cotton is paved at one side of the inner plate and one side of the outer plate, a plurality of groups of recombined bamboo grids are manufactured on the side where the fireproof cotton is paved at the inner plate and the outer plate, the inner plate and the outer plate are connected, the recombined bamboo grids are connected by adopting cross braces to be used as horizontal supports, and split bolts are utilized to penetrate. The method uses the recombined bamboo as the panel, and has good stress performance and earthquake resistance; building waste renewable resources are utilized to prepare foam concrete which is used as a wallboard core material, so that the effects of resource recycling, energy conservation and emission reduction are realized; the combination of organic material and inorganic material improves the function limitation of the wall board made of single material.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a method for manufacturing a recombined bamboo-foam concrete combined plate wall.
Background
Building energy conservation and emission reduction become important ways for solving global energy crisis and environmental pollution, the speed of urbanization in China is increased, and building energy consumption inevitably becomes an important growth point of energy consumption, so that the rapid development of building energy conservation is the focus of energy-saving work in China.
Bamboo is a natural renewable material, and has short growth cycle and abundant resources. The recombined bamboo is a bamboo-based composite material formed by pressing and gluing bamboo bundles as units, has good mechanical property, and is widely applied to furniture, indoor and outdoor floors and structural materials.
The research and development of the heat-insulating material with safety, fire prevention and convenient construction are new directions for the development of the field of wall building materials. The foam concrete has the advantages of light weight, heat insulation, fire prevention and the like, compared with other heat insulation materials, the foam concrete has higher strength improvement and excellent performance,
the single kind of building materials are difficult to meet the current building requirements of energy conservation and emission reduction, different types of building materials are selected to be combined, the advantages and the disadvantages are complemented, the excellent performance of each material is exerted, and the building material is a new direction for building material development.
At present, China is seriously aged, labor is deficient, and an assembled structure which is convenient and fast to construct is more and more important.
Patent publication No. CN106760062A discloses a method for manufacturing a combined wall with a recombined bamboo structure, and this patent discloses a method for manufacturing a combined wall panel, but this combined wall panel is based on the recombined bamboo structure, and the application range has limitations. In addition, the combined wallboard is made of the recombined bamboo as the wall rib column, and is not a pure recombined bamboo combined wallboard.
The publication No. CN 106760356A discloses a recombined bamboo wallboard, and the patent discloses a method for conveniently connecting the recombined bamboo wallboards, but the wallboard is a single recombined bamboo wallboard and does not have good heat preservation, sound absorption and fire resistance.
The patent publication No. CN 106836513A discloses a wallboard that reorganization bamboo made, and this patent discloses a wallboard that reorganization bamboo that novel structure is reasonable, and adjacent wallboard is connected conveniently, and the flexible operation, the practicality is strong made. But the wallboard is a single recombined bamboo wallboard and does not have good heat preservation, sound absorption and fire resistance.
The patent publication No. CN 106609584A discloses an environment-friendly regenerative reconstituted bamboo wallboard and a production process thereof, and is characterized in that the wallboard is firmly fixed on a wall, and meanwhile, the splicing line of the whole wallboard is hardly perceived by people, so that the integrity is very good. But does not have good heat preservation, sound absorption and fire resistance.
Publication No. CN 204238498U discloses a reorganization bamboo combination wall, and this patent discloses a be used for wall decoration reorganization bamboo wallboard, including wall riser, elastic pressing plate and reorganization bamboo wallboard. But the patent has the bearing function and poor heat preservation, sound absorption and fire resistance performances.
Therefore, a combined wallboard with excellent performance, abundant resources and convenient construction is urgently needed.
Disclosure of Invention
The invention aims to provide a method for manufacturing a recombined bamboo-foam concrete composite board wall in constructional engineering.
The technical problem to be solved by the invention is realized by the following technical scheme:
cutting the recombined bamboo boards into square boards serving as an inner board and an outer board, making convex ribs on the left side and the upper side of the inner board and the outer board, making grooves on the corresponding lower side and the right side, punching holes at the four corners of the inner board and the outer board and the centers of the boards, paving fireproof cotton on one side of the inner board and the outer board, paving a plurality of groups of recombined bamboo grids on one sides of the inner board and the outer board, connecting the recombined bamboo grids by adopting cross braces to serve as horizontal supports, and fixing the inner board and the outer board in the holes by utilizing split bolts;
pouring foam concrete into the wallboard, and prefabricating the wallboard; paying off the ground at the position of the wall board, and columns or walls on the left and right sides of the floor, installing two rows of angle steels at the position of the wall board by using expansion bolts to finish the installation of the first layer of wall board, and connecting the angle steels by using wood bolts; then, all wallboards are spliced and installed into the wall body with the required size of the engineering by using the prefabricated grooves and the prefabricated convex ribs, the wallboards are connected with the beam, the column and the floor slab by using the connecting piece, and finally, outdoor oil is brushed on the outer boards of the installed wallboards.
The recombined bamboo indoor board is formed by pressing recombined bamboo into 3 recombined bamboo boards with the density of 0.7-1.0 g/cm.
The recombined bamboo outdoor board is formed by pressing recombined bamboo into 3 recombined bamboo boards with the density of 1.1-1.3 g/cm.
The recombined bamboo grating is formed by applying recombined bamboo between an inner plate and an outer plate to fix the inner plate and the outer plate and enhance the strength and stability of core material foam concrete, wherein the distance is 100-150 mm, and the section size is 10-20 mm.
The foam concrete is prepared from construction waste renewable resources, the compressive strength is 0.1-0.5 MPa, and the dry apparent density is 300-500 kg/m3。
The fireproof cotton is ceramic fiber, and can be aluminum silicate ceramic fiber.
The split bolt is a common bolt, and is M6-M8.
The expansion bolt is a common expansion bolt with the model number of M6-M8.
The wood bolt is a common wood bolt with the model number of M6-M8, is subjected to surface galvanizing treatment and can be determined according to the actual engineering condition and stress.
The outdoor oil is a high molecular compound, and can be tung oil.
The connecting pieces are equal angle steels with the size of ∠ 25 multiplied by 25 mm- ∠ 100 multiplied by 100mm, and the specific size can be determined according to the thickness of the wallboard.
Compared with the existing wall boards at home and abroad, the invention has the remarkable technical advantages that: 1. the recombined bamboo is used as a panel, so that the stress performance and the earthquake resistance are good; building waste renewable resources are utilized to prepare foam concrete which is used as a wallboard core material, so that the effects of resource recycling, energy conservation and emission reduction are realized; 2. the combination of organic material and inorganic material improves the function limitation of the wall board made of single material.
The invention is described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a structural arrangement diagram of a recombined bamboo-foam concrete composite board wall.
FIG. 2 is a diagram of a single wall panel of the recombined bamboo-foam concrete composite panel wall.
Fig. 3 is a cross-sectional view a-a of the recombined bamboo-foam concrete composite panel wall and fig. 2.
Fig. 4 is a B-B sectional view of the recombined bamboo-foam concrete composite panel wall and fig. 2.
FIG. 5 is a mechanical property detection diagram of the recombined bamboo-foam concrete composite board wall, wherein (a) is a compressive strength test; (b)
a shear strength test; (c) testing the bending strength; (d) and (4) testing tensile strength.
In the figure: 1-restructuring a bamboo indoor plate; 2-fireproof cotton; 3-restructuring the bamboo grid; 4-foam concrete; 5-restructuring the bamboo outdoor plate; 6-expansion bolt; 7-wood bolt; 8-angle steel; 9-wall plate; 10-beam; 11-column.
Detailed Description
For the purpose of illustrating the technical solutions and technical objects of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, a method for manufacturing a recombined bamboo-foam concrete composite plate wall comprises the following steps:
cutting the recombined bamboo boards into square boards serving as an inner board and an outer board, making convex ribs on the left side and the upper side of the inner board and the outer board, making grooves on the corresponding lower side and the right side, punching holes at the four corners of the inner board and the outer board and the centers of the boards, paving fireproof cotton on one side of the inner board and the outer board, paving a plurality of groups of recombined bamboo grids on one sides of the inner board and the outer board, connecting the recombined bamboo grids by adopting cross braces to serve as horizontal supports, and fixing the inner board and the outer board in the holes by utilizing split bolts;
pouring foam concrete into the wallboard, and prefabricating the wallboard; paying off the ground at the position of the wall board, and columns or walls on the left and right sides of the floor, installing two rows of angle steels at the position of the wall board by using expansion bolts to finish the installation of the first layer of wall board, and connecting the angle steels by using wood bolts; then, all wallboards are spliced and installed into the wall body with the required size of the engineering by using the prefabricated grooves and the prefabricated convex ribs, the wallboards are connected with the beam, the column and the floor slab by using the connecting piece, and finally, outdoor oil is brushed on the outer boards of the installed wallboards.
The method comprises the following steps of cutting a recombined bamboo board into 600mm × 600mm square boards, manufacturing convex ribs on the left side and the upper side of an inner board and an outer board respectively, manufacturing grooves on the lower side and the right side, punching holes at the positions, 10mm away from edges, of four corners of the boards and at the center of the boards, paving fireproof cotton on one side of an inner board and one side of an outer board respectively by using an adhesive, manufacturing recombined bamboo grids on the board side paved with the fireproof cotton by using a nail gun, connecting the inner board and the outer board, enabling the space between the grids to be 100mm-150mm, enabling the cross section size to be 10mm × 10 mm-20 mm × 20mm, enabling the length to be 100mm-200mm, connecting the grids by adopting cross braces as horizontal supports, and enabling split bolts to penetrate. And putting the prepared recombined bamboo board frame into a grinding tool, brushing an adhesive on the fireproof cotton, pouring foam concrete immediately, putting the fireproof cotton into a curing room for curing for 28 days, taking out the fireproof cotton and cutting off redundant foam concrete outside the frame.
Firstly, the construction of the main body structure is completed, and the acceptance is qualified. The construction method comprises the following steps of setting out a construction line, punching holes by using impact transfer, installing two rows of angle steels on the ground, the floor, the left side column and the right side column or on the wall, wherein the angle steels are opposite in bent angle, the distance is the thickness of a wallboard, the angle steels are connected with the ground through expansion bolts, and the distance between the bolts and the ground along the direction of the angle steels is not more than 600 mm;
placing the first layer of the first wallboard into the angle steel, and connecting the first layer of the first wallboard with the angle steel by using a common bolt, wherein the distance between the bolts along the direction of the angle steel is not more than 600 mm; then install first layer second wallboard, the board is left and right recess and rib link to each other to link to each other with the wood bolt and angle steel, the wood bolt is not more than 600mm along the angle steel direction interval. And by parity of reasoning, all the wall boards of the first layer are installed. Utilize about, recess and fin link to each other, the rest wallboards of installation, until the top layer, the usable cutting machine of corner wallboard size is tailor, and the fin is amputated to the wallboard of corner to be connected with the angle steel is firm. And brushing a layer of outdoor oil on the installed wallboard outer plate.
Example 1
(1) Wallboard manufacturing
I, manufacturing a wallboard panel by using recombined bamboos, wherein the size is 600mm multiplied by 600mm, the thickness is 20mm, the edge part is made into a convex rib and a concave groove, and fireproof cotton is paved on one side of the panel;
II, connecting the inner plate and the outer plate by utilizing split bolts and grids, wherein the size of the grids is 10mm multiplied by 10mm, and the distance is 150 mm;
and III, preparing foam concrete by using the waste concrete, pouring and maintaining the foam concrete as a wallboard core material.
And IV, assembling the wallboard by using the edge convex ribs and the edge concave grooves, and filling the joint part with foaming agents.
(2) Mechanical Property test
The mechanical strength of the recombined bamboo indoor plate and the recombined bamboo outdoor plate measured by a material test is shown in table 1:
table 1 recombined bamboo mechanical property test data
(3) Thermal property test:
the thermal performance data of the recombined bamboo foam concrete measured according to GB/T13475-2008 of determination calibration and protection hot box method of adiabatic steady-state heat transfer property are as follows:
table 2 recombination bamboo-foam concrete combined wall panel thermal performance test data
And judging that the heat preservation and insulation performance of the recombined bamboo-foam concrete combined wall board meets the energy-saving design standard of residential buildings in the Xiahou winter-cold region according to the limit value regulation of heat transfer coefficient and thermal inertia index of the exterior wall of the building in the JGJ 134-2010.
Claims (10)
1. A method for manufacturing a recombined bamboo-foam concrete combined panel wall is characterized in that a recombined bamboo panel is cut into square panels serving as an inner panel and an outer panel, convex ribs are formed on the left side and the upper side of the inner panel and the outer panel, grooves are formed in the corresponding lower side and the right side of the inner panel and the outer panel, holes are formed in the four corners and the panel center of the inner panel and the outer panel, then fireproof cotton is paved on one side of the inner panel and one side of the fireproof cotton paved on the inner panel and the outer panel respectively, a plurality of groups of recombined bamboo grids are manufactured, the inner panel and the outer panel are connected, cross bracing connection is adopted among the recombined bamboo grids to serve as horizontal bracing, and split bolts are utilized to penetrate;
pouring foam concrete into the wallboard, and prefabricating the wallboard; paying off the ground at the position of the wall board, and columns or walls on the left and right sides of the floor, installing two rows of angle steels at the position of the wall board by using expansion bolts to finish the installation of the first layer of wall board, and connecting the angle steels by using wood bolts; then, all wallboards are spliced and installed into the wall body with the required size of the engineering by using the prefabricated grooves and the prefabricated convex ribs, the wallboards are connected with the beam, the column and the floor slab by using the connecting piece, and finally, outdoor oil is brushed on the outer boards of the installed wallboards.
2. The method for manufacturing the reconstituted bamboo-foam concrete composite panel wall according to claim 1, wherein the reconstituted bamboo indoor panel is a reconstituted bamboo panel formed by pressing reconstituted bamboo into 3 reconstituted bamboo boards with the density of 0.7-1.0 g/cm.
3. The method for manufacturing the reconstituted bamboo-foam concrete composite panel wall according to claim 1, wherein the reconstituted bamboo outdoor panel is a reconstituted bamboo panel formed by pressing reconstituted bamboo into 3 reconstituted bamboo panels with the density of 1.1-1.3 g/cm.
4. The method for manufacturing the reconstituted bamboo-foam concrete combined panel wall according to claim 1, wherein the reconstituted bamboo grid is formed by applying reconstituted bamboo between an inner panel and an outer panel to fix the inner panel and the outer panel and reinforce the strength and stability of core material foam concrete, the distance is 100mm-150mm, and the cross-sectional dimension is 10mm x 10 mm-20 mm x 20 mm.
5. The reconstituted bamboo-foam concrete composite panel wall method according to claim 1, wherein the foam concrete is mixed with the foam concreteThe concrete is prepared by using construction waste renewable resources, the compressive strength is 0.1-0.5 MPa, and the dry apparent density is 300-500 kg/m3。
6. The method for manufacturing the reconstituted bamboo-foam concrete composite panel wall according to claim 1, wherein the fireproof cotton is ceramic fiber and can be aluminum silicate ceramic fiber.
7. The reconstituted bamboo-foam concrete composite panel wall practice of claim 1, wherein the split bolts are plain bolts, model M6-M8; the expansion bolt is a common expansion bolt with the model number of M6-M8.
8. The method for manufacturing the reconstituted bamboo-foam concrete composite panel wall according to claim 1, wherein the wood bolt is a common wood bolt with the model number of M6-M8, and the surface is galvanized and can be determined according to actual engineering conditions and stress.
9. The method for manufacturing the reconstituted bamboo-foam concrete composite panel wall according to claim 1, wherein the outdoor oil is a high molecular compound and can be tung oil.
10. The method of manufacturing the reconstituted bamboo-foam concrete composite panel wall according to claim 1, wherein the connecting pieces are equal angle steel with the size of ∠ 25 x 25 mm- ∠ 100 x 100mm, and the specific size can be determined according to the thickness of the panel wall.
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| CN201911068738.0A CN110847485A (en) | 2019-11-05 | 2019-11-05 | Method for manufacturing recombined bamboo-foam concrete combined plate wall |
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| CN201911068738.0A CN110847485A (en) | 2019-11-05 | 2019-11-05 | Method for manufacturing recombined bamboo-foam concrete combined plate wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324016A (en) * | 2020-11-16 | 2021-02-05 | 扬州工业职业技术学院 | Production method of recombined bamboo-phosphogypsum composite partition board |
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| CN103669664A (en) * | 2013-11-14 | 2014-03-26 | 扬州工业职业技术学院 | Method for building combination floor cover of recombination bamboo structure |
| CN204238498U (en) * | 2014-10-15 | 2015-04-01 | 福建金竹竹业有限公司 | A kind of Recombined bamboo assembled wall |
| CN106760062A (en) * | 2016-12-06 | 2017-05-31 | 扬州工业职业技术学院 | A kind of assembled wall way for recombinating bamboo structure |
| CN108638226A (en) * | 2018-04-25 | 2018-10-12 | 李阳 | A kind of Recombined bamboo composite plate and processing method |
| CN109113227A (en) * | 2018-10-10 | 2019-01-01 | 南京林业大学 | A kind of bamboo-air entrained concrete assembled wall board |
-
2019
- 2019-11-05 CN CN201911068738.0A patent/CN110847485A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669664A (en) * | 2013-11-14 | 2014-03-26 | 扬州工业职业技术学院 | Method for building combination floor cover of recombination bamboo structure |
| CN204238498U (en) * | 2014-10-15 | 2015-04-01 | 福建金竹竹业有限公司 | A kind of Recombined bamboo assembled wall |
| CN106760062A (en) * | 2016-12-06 | 2017-05-31 | 扬州工业职业技术学院 | A kind of assembled wall way for recombinating bamboo structure |
| CN108638226A (en) * | 2018-04-25 | 2018-10-12 | 李阳 | A kind of Recombined bamboo composite plate and processing method |
| CN109113227A (en) * | 2018-10-10 | 2019-01-01 | 南京林业大学 | A kind of bamboo-air entrained concrete assembled wall board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112324016A (en) * | 2020-11-16 | 2021-02-05 | 扬州工业职业技术学院 | Production method of recombined bamboo-phosphogypsum composite partition board |
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