CN112211315B - Passive combined wall body with non-thermal bridge wood structure and preparation method thereof - Google Patents
Passive combined wall body with non-thermal bridge wood structure and preparation method thereof Download PDFInfo
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- CN112211315B CN112211315B CN201910620196.7A CN201910620196A CN112211315B CN 112211315 B CN112211315 B CN 112211315B CN 201910620196 A CN201910620196 A CN 201910620196A CN 112211315 B CN112211315 B CN 112211315B
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- 239000002023 wood Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000011490 mineral wool Substances 0.000 claims abstract description 59
- 239000002131 composite material Substances 0.000 claims description 11
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000005034 decoration Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
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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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
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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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B2001/6195—Connections for building structures in general of slab-shaped building elements with each other the slabs being connected at an angle, e.g. forming a corner
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a passive combined wall body with a non-thermal bridge wood structure and a preparation method thereof, wherein the wall body comprises a combined wall body, a first connecting unit, a second connecting unit and a third connecting unit, the combined wall body comprises a rock wool plate sandwich layer, an outer blade plate and an inner blade plate are respectively arranged on two sides of the rock wool plate sandwich layer, decorative layers are paved on the outer blade plate and the inner blade plate, at least one first connecting unit is arranged at a horizontal node of the combined wall body, the second connecting unit is arranged at a T-shaped node of the combined wall body, and the third connecting unit is arranged at a right-angle node of the combined wall body. The assembly degree is high, the assembly of the wood structure is simplified, the construction is convenient, the fireproof performance is good, the structure is simple, and the earthquake resistance is good; the connection between the combined walls is connected through mortise and tenon, the connecting joints are staggered, the occurrence of a thermal bridge effect is avoided, the sealing and heat preservation effects are achieved, and the passive energy-saving function is realized.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a passive combined wall body with a thermal bridge-free wood structure and a preparation method thereof.
Background
The wood structure building is used as a marginal color low-carbon building, firstly, because wood is biomass material, and is the only renewable resource in four raw materials (steel, cement, plastic and wood). The wood product has carbon fixing amount greater than that released during production and use, and can absorb 1 ton of carbon dioxide and release 0.75 ton of oxygen every 1 cubic meter of wood during growth. In addition, wood is a porous natural material, has a low thermal conductivity coefficient which is about one tenth of that of a concrete or brick under the same specification, has a thermal conductivity coefficient which is about four percent of that of steel, and has excellent heat insulation performance. Compared with a concrete structure wall body, a brick-concrete structure wall body and a lightweight steel structure wall body, the wood structure wall body with the same thickness has lower heat transfer coefficient under the same thermal environment, and the building energy-saving effect is more excellent.
The wood structure building outer envelope mainly comprises an outer wall, a roof, an outer window, an outer opening and other parts, and plays roles in resisting wind and rain, sunlight irradiation, temperature change and the like. In the use process of the wood structure building, heat exchange is carried out between the inside and the outside of the house through the outer enclosure structure all the time, and the loss or the increase of the heat can increase the operation energy consumption of the building. In order to reduce the energy consumption of building operation, the heat insulation performance of the outer enclosure structure is necessarily improved, but in the outer enclosure structure, the proportion of the wall body is the largest and accounts for about 70% of the whole building, so the primary work of reducing the energy consumption of building operation and the important point are to improve the heat insulation performance of the wall body.
The "passive house" was proposed by professor adamson in sweden and filst in germany in the 80 s of the last century on the basis of low energy construction. The first passive house in the world was built in 1990. Then many countries in europe have established "passive rooms" research communities. The development of the german building energy saving standard goes through 3 development stages: high energy consumption-low energy consumption-passive house. Today, the passive house technology in germany is quite mature, and the energy saving standard of the germany building requires: the heating energy consumption per unit building area of the passive house is lower than 15k Wh/(. Square meter.a) each year. When the heat is supplied by the inlet air, the heating heat load per unit area is 10W, and the heat load for preparing domestic hot water is not included. Since the research and practice of "passive house" construction is started in germany, most of them are designed according to the climate conditions of germany, and technical measures of "passive house" construction in most of europe are focused on minimizing the heating requirement in winter. While building energy conservation is emphasized, the germany passive rooms have been index-limited for indoor temperature, carbon dioxide concentration, indoor humidity, etc. The comfort level of the 'passive house' is improved while the energy conservation of the building is concerned.
In cold environment, the passive building does not need heating equipment, and can realize a more comfortable indoor environment only by maintaining the structure. Compared with the traditional building, the passive building has the following obvious advantages:
(1) The energy consumption is low. The fresh air system of the passive building can provide enough fresh air, can recycle a large amount of hot air, reduces the energy consumption requirement of heating and refrigerating, and ensures the indoor proper temperature and humidity. Compared with the existing national energy-saving design standard, the heating energy consumption of the passive building can be reduced by more than 85 percent;
(2) The heat preservation and insulation performance is good. The passive building good enclosure heat preservation system ensures that the surface temperature of the inner wall of the building is stable and uniform and is close to the indoor temperature, and has good air tightness and sound insulation effect;
(3) And (5) integrally building. The passive building adopts the design of no thermal bridge and high air tightness, and high-quality material components, and integrates fine construction and building decoration, so that the quality of the building is higher and the service life is longer.
Therefore, under the support of the national strong development of energy-saving buildings, green buildings and sustainable buildings, the development of passive buildings has important significance for the serious environmental problems and the resource shortage problems facing the present day, and is an effective means for improving the environment and the harmony of the buildings and the nature. Therefore, it is necessary to invent a passive combined wall body with a thermal bridge-free wood structure and a preparation method thereof, and the fire-resistant grade stress performance and the heat-insulating and energy-saving functions of the wood structure combined wall body are improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a passive composite wall body with a wood structure without a thermal bridge and a preparation method thereof, and mainly develops the passive composite wall body with the wood structure, which has the advantages of avoiding thermal bridge effect, high assembly degree, good fireproof performance, simple structure and good earthquake resistance, and solves the problems that the composite wall body is easy to generate thermal bridge effect at joints, the fireproof performance of the wood structure is poor and energy is wasted.
The technical scheme adopted by the invention is as follows:
The invention relates to a passive combined wall body with a non-thermal bridge wood structure, which comprises a combined wall body, a first connecting unit, a second connecting unit and a third connecting unit, wherein the combined wall body comprises a rock wool plate sandwich layer, an outer leaf plate and an inner leaf plate are respectively arranged on two sides of the rock wool plate sandwich layer, decorative layers are paved on the outer leaf plate and the inner leaf plate, at least one first connecting unit is arranged at a horizontal node of the combined wall body, the second connecting unit is arranged at a T-shaped node of the combined wall body, and the third connecting unit is arranged at a right-angle node of the combined wall body;
the first connecting unit comprises a first hidden column, the first hidden column extends towards two sides of the outer blade plate and the inner blade plate to form at least two first protruding parts, a first groove part is formed between two adjacent first protruding parts, first grooves are respectively formed in the inner blade plate and the outer blade plate corresponding to the first protruding parts, first bosses are arranged in the inner blade plate and the outer blade plate corresponding to the first groove parts, the first bosses are embedded in the first groove parts, the first protruding parts are embedded in the first grooves, and adjacent two combined wall bodies are connected into an integrated structure;
The second connecting unit comprises a second hidden column, the second hidden column extends towards two sides of the outer blade plate and the inner blade plate to form at least two second protruding parts, second grooves are respectively formed on the inner blade plate and the outer blade plate corresponding to the second protruding parts, the second protruding parts are embedded in the second grooves, wall fixing pieces are arranged on the outer blade plates connected at the T-shaped nodes, and two adjacent combined wall bodies are connected into an integral structure at the T-shaped nodes;
The third connecting unit comprises a third dark column, an outer corner column tenon component and an inner corner column tenon component are arranged on the outer periphery of the third dark column, a right angle is formed by the third dark column, the outer corner column tenon component and the inner corner column tenon component, the third dark column extends towards two ends of the right angle to form a third protruding portion, third grooves are formed in the inner leaf plate and the outer leaf plate, corresponding to the third protruding portions, the third protruding portions are embedded in the third grooves, and two adjacent combined wall bodies are connected into an integral structure at the right angle joint.
The first dark column is an H-shaped dark column and comprises a first flange part and a first web part, two ends of the first flange part extend towards the outer leaf plate and the inner leaf plate to form the first protruding part, the first flange part extends towards the end face of the rock wool plate sandwich layer to be provided with a fixed connection structure, so that the rock wool plate sandwich layer is fixedly connected to the first dark column, a first through hole is formed in the first web part, and rock wool is filled in the first through hole.
The second dark column is a T-shaped dark column and comprises a second flange part and a second web part, the second flange part faces the end face of the rock wool plate sandwich layer, a fixed connection structure is arranged on the end face of the second flange part, the rock wool plate sandwich layer is fixedly connected with the second dark column, a second through hole is formed in the second flange part, and rock wool is filled in the second through hole.
The third dark column is an L-shaped dark column and comprises a mouth-shaped body, the mouth-shaped body and the end faces of the inner corner column tenon members, which face each other, are respectively provided with matched step faces, the mouth-shaped body faces the combined wall bodies on two sides of the right-angle joint, the third protruding portion extends to form a third protruding portion, the third protruding portion comprises a third flange portion and a third web portion and is of a T-shaped structure, the third groove is a T-shaped groove, the third flange portion and the third web portion are embedded in the third groove, the end faces of the third flange portion, which face the rock wool plate sandwich layer, are provided with fixed connection structures, so that the rock wool plate sandwich layer is fixedly connected to the third dark column, a third through hole is formed in the mouth-shaped body, and rock wool is filled in the third through hole.
The wall body fixing piece is an L-shaped connecting piece, and two sides of the L-shaped connecting piece are respectively fixed to two adjacent combined wall body bodies at the T-shaped node through bolts.
The fixed connection structure comprises a fourth protruding part which is arranged on the first flange part, the second flange part and the third flange part and faces the rock wool plate sandwich layer, and a fourth groove which is correspondingly arranged on the end face of the rock wool plate sandwich layer, and the fourth protruding part is embedded in the fourth groove.
The decorative layer is made of waterproof gypsum board.
The outer leaf plate and the inner leaf plate are made of OSB plates.
The sections of the first through hole, the second through hole and the third through hole are all rectangular.
The preparation method of the passive combined wall body with the thermal bridge-free wood structure comprises the following specific steps:
Step one: prefabricating a first dark column, a second dark column, a third dark column, a rock wool plate sandwich layer, an outer blade plate, an inner blade plate, an outer corner column tenon component, an inner corner column tenon component and a wall body fixing piece in a factory;
Step two: a first through hole is formed in the first dark column, a second through hole is formed in the second dark column, a third through hole is formed in the third dark column, and rock wool is filled in the first through hole, the second through hole and the third through hole respectively;
step three: the first connecting unit is formed by connecting the first hidden posts with the two adjacent combined wall bodies, the two adjacent combined wall bodies are connected into an integrated structure, and the straight parts of the combined wall are assembled;
Step four: the second connection unit is formed by connecting the second hidden post with two adjacent combined wall bodies at the T-shaped node, the two adjacent combined wall bodies at the T-shaped node are connected into an integrated structure, and the T-shaped node connection part of the combined wall is assembled;
Step five: installing wall fixing pieces on two adjacent combined wall bodies at the T-shaped node, wherein the wall fixing pieces are L-shaped connecting pieces, and two sides of each L-shaped connecting piece are respectively fixed on the two adjacent combined wall bodies at the T-shaped node through bolts;
Step six: the third connection unit is formed by connecting the third hidden column with two adjacent combined wall bodies at the right-angle node, and the two adjacent combined wall bodies at the right-angle node are connected into an integrated structure;
Step seven: an outer corner column tenon component and an inner corner column tenon component are arranged outside the third dark column in a surrounding mode, the third dark column, the outer corner column tenon component and the inner corner column tenon component are connected at the right-angle joint to form a L shape, and the right-angle joint connection part of the combined wall body is assembled;
step eight: and sequentially installing unidirectional breathing paper and a decorative layer on the outer side of the assembled structure to prepare the combined wall body.
The passive combined wall body with the thermal bridge-free wood structure and the preparation method thereof have the beneficial effects that: the assembly degree is high, the assembly of the wood structure is simplified, the construction is convenient, the fireproof performance is good, the structure is simple, and the earthquake resistance is good; the connection between the combined walls is connected through mortise and tenon, the connecting joints are staggered, the occurrence of a thermal bridge effect is avoided, the sealing and heat preservation effects are achieved, and the passive energy-saving function is realized.
Drawings
FIG. 1 is a schematic cross-sectional view of a first connecting unit according to the present invention;
FIG. 2 is a schematic cross-sectional view of an assembled structure of a first connecting unit according to the present invention;
FIG. 3 is a schematic cross-sectional view of an H-shaped hidden column connecting structure according to the present invention;
FIG. 4 is a schematic cross-sectional view of a T-shaped hidden post connecting structure according to the present invention;
FIG. 5 is a schematic cross-sectional view of the L-shaped hidden post connecting structure of the present invention. In the figure, 1 is a first connection unit; 1-1 is H-shaped dark column; 1-2 is a T-shaped dark column; 1-3 are L-shaped dark columns; 2 is a rock wool board sandwich layer; 3 is an outer leaf plate; 4 is an inner leaf plate; 5 is a decorative layer; 6 is one-way breathing paper; 7 is an external corner post tenon component; 8. is a wall fixing piece; 9 is rock wool; 10 is a first groove portion; 11 is a fourth projection; 12 is a fourth groove; 13 is a first boss; 14 is a bolt; 15 is an inner corner post tenon component, 16-a second connecting unit, 17-a third connecting unit, 18-a first protruding part, 19-a first groove, 20-a second protruding part, 21-a second groove, 22-a third protruding part and 23-a third groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators such as up, down, left, right, front, and rear … … in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a passive combined wall body with a non-thermal bridge wood structure, which comprises a combined wall body, a first connecting unit 1, a second connecting unit 16 and a third connecting unit 17, wherein the combined wall body comprises a rock wool plate sandwich layer 2, an outer blade plate 3 and an inner blade plate 4 are respectively arranged on two sides of the rock wool plate sandwich layer 2, specifically, the outer blade plate 3 and the inner blade plate 4 are both made of OSB plates, a decorative layer 5 is paved on the outer blade plate 3 and the inner blade plate 4, specifically, the decorative layer 5 is made of waterproof gypsum plates, at least one first connecting unit 1 is arranged at a horizontal node of the combined wall body, the second connecting unit 16 is arranged at a T-shaped node of the combined wall body, and the third connecting unit 17 is arranged at a right-angle node of the combined wall body, and the connecting joints of the walls are staggered mutually through the first connecting unit 1, the second connecting unit 16 and the third connecting unit 17, so that the thermal bridge effect is avoided, and the passive heat-insulating function is realized;
The first connection unit 1 comprises a first hidden post extending towards two sides of the outer blade plate 3 and the inner blade plate 4 to form at least two first protruding parts 18, and a first groove part is formed between two adjacent first protruding parts 18
10, A first groove 19 is provided on the inner blade 4 and the outer blade 3 corresponding to the first protruding portion 18, a first boss 13 is provided on the inner blade 4 and the outer blade 3 corresponding to the first groove 10, the first boss 13 is embedded in the first groove 10, the first protruding portion 18 is embedded in the first groove 19, a mortise-tenon connection structure is formed, a first hidden post is wrapped between the outer blade 3 and the inner blade 4, and two adjacent combined wall bodies are connected into an integral structure;
The second connection unit 16 includes a second hidden post, the second hidden post extends towards two sides of the outer blade 3 and the inner blade 4 to form at least two second protruding portions 20, second grooves 21 are respectively provided on the inner blade 4 and the outer blade 3 corresponding to the second protruding portions 20, the second protruding portions 20 are embedded in the second grooves 21 to form a mortise-tenon connection structure, the second hidden post is wrapped between the outer blade 3 and the inner blade 4, wall fixing pieces 8 are provided on the outer blade 3 connected at the T-shaped nodes, and two adjacent combined wall bodies are connected into an integral structure at the T-shaped nodes;
The third connecting unit 17 comprises a third hidden post, an outer corner post tenon member 7 and an inner corner post tenon member 15 are arranged on the outer periphery of the third hidden post, the outer corner post tenon member 7 and the inner corner post tenon member 15 form a right angle shape, the third hidden post extends towards two ends of the right angle shape to form a third protruding portion 22, a third groove 23 is formed in the inner blade plate 4 and the outer blade plate 3 corresponding to the third protruding portion 22, the third protruding portion 22 is embedded in the third groove 23 to form a mortise-tenon connection structure, the third hidden post is wrapped among the outer blade plate 3, the inner blade plate 4, the outer corner post tenon member 7 and the inner corner post tenon member 15, two adjacent combined wall bodies are connected into an integral structure at the right angle joint, and the two combined wall bodies are 90. And (5) connection.
Further, in this embodiment, the wall fixing member 8 is an L-shaped connecting member, and two sides of the L-shaped connecting member are respectively fixed to two adjacent combined wall bodies at the T-shaped node by bolts 14.
Further, in this embodiment, the first, second and third dark columns are all integrally formed, and cannot be split, specifically, according to their cross-sectional shapes, they may be divided into an H-shaped dark column 1-1, an H-shaped dark column 1-1 and an L-shaped dark column 1-3, and they are mounted at different nodes of a wall, specifically:
According to fig. 1 to 3, the first dark column is an H-shaped dark column 1-1, and includes a first flange portion and a first web portion, wherein two ends of the first flange portion extend towards the outer blade 3 and the inner blade 4 to form the first protruding portion 18, a fixed connection structure is provided on an end surface of the first flange portion towards the rock wool board sandwich layer 2, so that the rock wool board sandwich layer 2 is fixedly connected to the first dark column, a first through hole is formed in the first web portion, and rock wool 9 is filled in the first through hole, specifically, a section of the first through hole is rectangular;
According to fig. 4, the second blind column is a T-shaped blind column 1-2, and includes a second flange portion and a second web portion, where the end surface of the second flange portion facing the rock wool board sandwich layer 2 is provided with a fixed connection structure, so that the rock wool board sandwich layer 2 is fixedly connected to the second blind column, the second flange portion is provided with a second through hole, and rock wool 9 is filled in the second through hole, and specifically, the section of the second through hole is rectangular;
According to fig. 5, the third dark column is an L-shaped dark column 1-3, which comprises a mouth-shaped body, the end faces of the mouth-shaped body and the inner corner column tenon member 15 facing each other are respectively provided with matched step faces, the mouth-shaped body extends towards the combined wall body at two sides of the right-angle joint to form a third protruding portion 22, the third protruding portion 22 comprises a third flange portion and a third web portion, the third protruding portion 22 is of a T-shaped structure, the third groove 23 is a T-shaped groove, the third flange portion and the third web portion are embedded in the third groove 23, the end face of the third flange portion facing the rock wool plate sandwich layer 2 is provided with a fixed connection structure, so that the rock wool plate sandwich layer 2 is fixedly connected to the third dark column, and the mouth-shaped body is provided with a third through hole, and rock wool 9 is filled in the third through hole, and specifically, the section of the third through hole is of a rectangle.
Further, in this embodiment, the fixing and connecting structure includes a fourth protrusion 11 disposed at the first flange portion, the second flange portion, and the third flange portion and facing the rock wool board sandwich layer 2, and a third protrusion disposed at an end face of the rock wool board sandwich layer 2
And a fourth groove 12 correspondingly arranged, wherein the fourth convex part 11 is embedded in the fourth groove 12.
The preparation method of the passive combined wall body with the thermal bridge-free wood structure comprises the following specific steps:
Step one: prefabricating a first dark column, a second dark column, a third dark column, a rock wool board sandwich layer 2, an outer leaf plate 3, an inner leaf plate 4, an outer corner column tenon member 7, an inner corner column tenon member 15 and a wall body fixing piece 8 in a factory;
Step two: a first through hole is formed in the first dark column, a second through hole is formed in the second dark column, a third through hole is formed in the third dark column, and rock wool 9 is filled in the first through hole, the second through hole and the third through hole respectively;
Step three: the first connecting unit 1 is formed by connecting the first hidden columns with the two adjacent combined wall bodies, the two adjacent combined wall bodies are connected into an integral structure, straight parts of the combined wall are assembled, namely rock wool plate sandwich layers 2 are fixedly connected to two end sides of the first hidden columns respectively, outer blades 3 and inner blades 4 are arranged on two sides of the rock wool plate sandwich layers 2 respectively, and the first hidden columns are wrapped between the rock wool plate sandwich layers 2 and the outer blades 3 and the inner blades 4;
step four: the second connection unit 16 is formed by connecting the second hidden post with two adjacent combined wall bodies at the T-shaped node, the two adjacent combined wall bodies at the T-shaped node are connected into an integral structure, the T-shaped node connection part of the combined wall is assembled, namely one end of the second hidden post is connected with the T-shaped node of the combined wall, the other end of the second hidden post is fixedly connected with the rock wool board sandwich layer 2, an outer blade plate 3 and an inner blade plate 4 are respectively arranged on two sides of the rock wool board sandwich layer 2, and the second hidden post is wrapped between the rock wool board sandwich layer 2 and the outer blade plate 3 and the inner blade plate 4;
Step five: the third connection unit 17 is formed by connecting the third hidden column with two adjacent combined wall bodies at the right-angle node, the two adjacent combined wall bodies at the right-angle node are connected into an integral structure, namely, two sides 6 of the third hidden column are respectively and fixedly connected with the rock wool board sandwich layer 2, two sides of the rock wool board sandwich layer 2 are respectively provided with the outer leaf plate 3 and the inner leaf plate 4, and the third hidden column is wrapped among the rock wool board sandwich layer 2, the outer leaf plate 3 and the inner leaf plate 4;
Step six: installing wall fixing pieces 8 on two adjacent combined wall bodies at the T-shaped nodes, wherein the wall fixing pieces 8 are L-shaped connecting pieces, and two sides of each L-shaped connecting piece are respectively fixed on the two adjacent combined wall bodies at the T-shaped nodes through bolts 14;
Step seven: an outer corner column tenon member 7 and an inner corner column tenon member 15 are arranged outside the third dark column in a surrounding mode, the third dark column and the outer corner column tenon member 7 are connected with the inner corner column tenon member 15 at the right-angle joint to form a L-shaped right angle, namely, the right-angle shape, the third dark column is wrapped among the rock wool board sandwich layer 2, the outer leaf plate 3, the inner leaf plate 4, the outer corner column tenon member 7 and the inner corner column tenon member 15, and the right-angle joint connection part of the combined wall body is assembled;
Step eight: the unidirectional breathing paper 6 and the decorative layer 5 are sequentially arranged on the outer side of the assembled structure, the combined wall is prepared, and the fire resistance level and the heat preservation and energy conservation effects of the wall are improved through the unidirectional breathing paper 6. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A passive type combined wall body without a thermal bridge wood structure is characterized in that: the combined wall body comprises a rock wool plate sandwich layer, an outer blade plate and an inner blade plate are respectively arranged on two sides of the rock wool plate sandwich layer, decorative layers are paved on the outer blade plate and the inner blade plate, at least one first connecting unit is installed at a horizontal node of the combined wall body, a second connecting unit is installed at a T-shaped node of the combined wall body, and a third connecting unit is installed at a right-angle node of the combined wall body;
the first connecting unit comprises a first hidden column, the first hidden column extends towards two sides of the outer blade plate and the inner blade plate to form at least two first protruding parts, a first groove part is formed between two adjacent first protruding parts, first grooves are respectively formed in the inner blade plate and the outer blade plate corresponding to the first protruding parts, first bosses are arranged in the inner blade plate and the outer blade plate corresponding to the first groove parts, the first bosses are embedded in the first groove parts, the first protruding parts are embedded in the first grooves, and adjacent two combined wall bodies are connected into an integrated structure;
The second connecting unit comprises a second hidden column, the second hidden column extends towards two sides of the outer blade plate and the inner blade plate to form at least two second protruding parts, second grooves are respectively formed on the inner blade plate and the outer blade plate corresponding to the second protruding parts, the second protruding parts are embedded in the second grooves, wall fixing pieces are arranged on the outer blade plates connected at the T-shaped nodes, and two adjacent combined wall bodies are connected into an integral structure at the T-shaped nodes;
The third connecting unit comprises a third dark column, an outer corner column tenon component and an inner corner column tenon component are arranged on the outer periphery of the third dark column, a right angle is formed by the third dark column, the outer corner column tenon component and the inner corner column tenon component, the third dark column extends towards two ends of the right angle to form a third protruding portion, third grooves are formed in the inner leaf plate and the outer leaf plate, corresponding to the third protruding portions, the third protruding portions are embedded in the third grooves, and two adjacent combined wall bodies are connected into an integral structure at the right angle joint.
2. The passive composite wall of claim 1, wherein: the first dark column is an H-shaped dark column and comprises a first flange part and a first web part, two ends of the first flange part extend towards the outer leaf plate and the inner leaf plate to form the first protruding part, the first flange part extends towards the end face of the rock wool plate sandwich layer to be provided with a fixed connection structure, so that the rock wool plate sandwich layer is fixedly connected to the first dark column, a first through hole is formed in the first web part, and rock wool is filled in the first through hole.
3. A passive composite wall of a thermal bridge-free wood structure as defined in claim 2, wherein: the second dark column is a T-shaped dark column and comprises a second flange part and a second web part, the second flange part faces the end face of the rock wool plate sandwich layer, a fixed connection structure is arranged on the end face of the second flange part, the rock wool plate sandwich layer is fixedly connected with the second dark column, a second through hole is formed in the second flange part, and rock wool is filled in the second through hole.
4. A passive composite wall of thermal-bridge-free wood structure as defined in claim 3, wherein: the third dark column is an L-shaped dark column and comprises a mouth-shaped body, the mouth-shaped body and the end faces of the inner corner column tenon members, which face each other, are respectively provided with matched step faces, the mouth-shaped body faces the combined wall bodies on two sides of the right-angle joint, the third protruding portion extends to form a third protruding portion, the third protruding portion comprises a third flange portion and a third web portion and is of a T-shaped structure, the third groove is a T-shaped groove, the third flange portion and the third web portion are embedded in the third groove, the end faces of the third flange portion, which face the rock wool plate sandwich layer, are provided with fixed connection structures, so that the rock wool plate sandwich layer is fixedly connected to the third dark column, a third through hole is formed in the mouth-shaped body, and rock wool is filled in the third through hole.
5. The passive composite wall of claim 4, wherein: the wall body fixing piece is an L-shaped connecting piece, and two sides of the L-shaped connecting piece are respectively fixed to two adjacent combined wall body bodies at the T-shaped node through bolts.
6. The passive composite wall of claim 5, wherein: the fixed connection structure comprises a fourth protruding part which is arranged on the first flange part, the second flange part and the third flange part and faces the rock wool plate sandwich layer, and a fourth groove which is correspondingly arranged on the end face of the rock wool plate sandwich layer, and the fourth protruding part is embedded in the fourth groove.
7. The passive composite wall of claim 1, wherein: the decorative layer is made of waterproof gypsum board.
8. The passive composite wall of claim 7, wherein: the outer leaf plate and the inner leaf plate are made of OSB plates.
9. The passive composite wall of claim 5, wherein: the sections of the first through hole, the second through hole and the third through hole are all rectangular.
10. The method for preparing the passive combined wall body with the thermal bridge-free wood structure according to claim 1, which is characterized by comprising the following specific steps:
Step one: prefabricating a first dark column, a second dark column, a third dark column, a rock wool plate sandwich layer, an outer blade plate, an inner blade plate, an outer corner column tenon component, an inner corner column tenon component and a wall body fixing piece in a factory;
Step two: a first through hole is formed in the first dark column, a second through hole is formed in the second dark column, a third through hole is formed in the third dark column, and rock wool is filled in the first through hole, the second through hole and the third through hole respectively;
step three: the first connecting unit is formed by connecting the first hidden posts with the two adjacent combined wall bodies, the two adjacent combined wall bodies are connected into an integrated structure, and the straight parts of the combined wall are assembled;
Step four: the second connection unit is formed by connecting the second hidden post with two adjacent combined wall bodies at the T-shaped node, the two adjacent combined wall bodies at the T-shaped node are connected into an integrated structure, and the T-shaped node connection part of the combined wall is assembled;
Step five: installing wall fixing pieces on two adjacent combined wall bodies at the T-shaped node, wherein the wall fixing pieces are L-shaped connecting pieces, and two sides of each L-shaped connecting piece are respectively fixed on the two adjacent combined wall bodies at the T-shaped node through bolts;
Step six: the third connection unit is formed by connecting the third hidden column with two adjacent combined wall bodies at the right-angle node, and the two adjacent combined wall bodies at the right-angle node are connected into an integrated structure;
step seven: an outer corner column tenon component and an inner corner column tenon component are arranged outside the third dark column in a surrounding mode, the third dark column, the outer corner column tenon component and the inner corner column tenon component are connected at the right-angle joint to form a L shape, and the right-angle joint connection part of the combined wall body is assembled; step eight: and sequentially installing unidirectional breathing paper and a decorative layer on the outer side of the assembled structure to prepare the combined wall body.
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