CN111705938A - Light-duty building structure of rapid Assembly formula - Google Patents

Light-duty building structure of rapid Assembly formula Download PDF

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Publication number
CN111705938A
CN111705938A CN202010584517.5A CN202010584517A CN111705938A CN 111705938 A CN111705938 A CN 111705938A CN 202010584517 A CN202010584517 A CN 202010584517A CN 111705938 A CN111705938 A CN 111705938A
Authority
CN
China
Prior art keywords
wallboard
floor
bamboo
magnesium
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010584517.5A
Other languages
Chinese (zh)
Inventor
王东方
刘明辉
杨涛
刘小荣
刘冶
祁勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tibet Taoyang New Building Materials Technology Co ltd
Original Assignee
Tibet Taoyang New Building Materials Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tibet Taoyang New Building Materials Technology Co ltd filed Critical Tibet Taoyang New Building Materials Technology Co ltd
Priority to CN202010584517.5A priority Critical patent/CN111705938A/en
Publication of CN111705938A publication Critical patent/CN111705938A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/61Connections for building structures in general of slab-shaped building elements with each other
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/61Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612Connections 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/64Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
    • E04B2/68Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete made by filling-up wall cavities
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02Load-carrying floor structures formed substantially of prefabricated units
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/023Separate connecting devices for prefabricated floor-slabs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26Building 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
    • E04C2/28Building 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 combinations of materials fully covered by groups E04C2/04 and E04C2/08
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26Building 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
    • E04C2/284Building 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
    • E04C2/296Building 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 non-metallic or unspecified sheet-material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/61Connections for building structures in general of slab-shaped building elements with each other
    • E04B2001/6195Connections 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

Abstract

The invention discloses a magnesium bamboo board fast-assembly type light house structure, which comprises a wallboard, a floor slab, a column arranged at the edge of the wallboard and a beam used for connecting the wallboard and the floor slab into a whole, wherein the wallboard and the floor slab comprise an upper structural board, a lower structural board and a ribbed plate connected between the upper structural board and the lower structural board, and the upper structural board, the lower structural board and the ribbed plate are made of magnesite cement bamboo-wood fiber composite boards; the beams and the columns are coated by the wall plates and/or the floor slabs to form hidden beam and hidden column structures. Adopt magnesite cement bamboo wood fibre composite sheet to constitute cavity wallboard, cavity floor structure, exempt from to build by laying bricks or stones, the construction is simple, swift, has the advantage of sexual valence relative altitude, green, and dead weight is light, intensity is high, anticorrosive fire prevention ability is good, and it is light high-strength material, reduces earthquake action under the prerequisite that satisfies structure bearing capacity. The beam and the column are coated by the wallboard and the floor slab, the cast-in-place construction is adopted, a template is not required to be built during pouring, the construction is simple, the construction period is shortened, and the integrity is good.

Description

Light-duty building structure of rapid Assembly formula
Technical Field
The invention relates to the field of building structures, in particular to a magnesium bamboo board quick assembly type light house structure.
Background
The traditional prefabricated building has the defects of an assembled steel structure, an assembled reinforced concrete structure and an assembled wood structure.
The fabricated steel structure is a fabricated structure composed of steel members. The novel fireproof and corrosion-resistant combined node has no on-site cast-in-place node, is higher in installation speed, but is poor in fireproof and corrosion-resistant performance, high in manufacturing cost and high in later maintenance cost, and needs to be maintained regularly.
The prefabricated reinforced concrete structure is a concrete structure formed by assembling and connecting prefabricated components serving as main stressed components. The prefabricated concrete structure is beneficial to green construction, and can meet the requirements of green construction on land conservation, energy conservation, material conservation, water conservation, environmental protection and the like, but the prefabricated components are assembled on the construction site, the longitudinal steel bar connection of the nodes and the joints is mostly connected in a sleeve grouting way, a mechanical connection way, a welding connection way, an indirect anchoring connection way and the like, the integrity is poor, the node connection is complex, and the construction difficulty is high.
The fabricated wood structure is a fabricated structure composed of wood structure load-bearing members. The construction method has outstanding anti-seismic performance, the construction process is finished by woodworker, the construction error is small, the precision is high, the pollution to a construction site is small, but the construction cost is high, and the problems of fire prevention, corrosion prevention and insect prevention are large.
How to construct the fabricated building with good stress performance, reasonable construction measures and simple and convenient construction and installation is always an ideal target for the development of the fabricated building.
Disclosure of Invention
The invention provides a magnesium bamboo board quick assembly type light house structure for solving the technical problems.
The invention is realized by the following technical scheme:
a light building structure with Mg-bamboo boards for quick assembling is composed of wall boards, floor slabs, columns at the edges of wall boards, and beams for connecting wall boards and floor slabs,
the wall plate and the floor plate comprise an upper structural plate, a lower structural plate and a ribbed plate connected between the upper structural plate and the lower structural plate, and the upper structural plate, the lower structural plate and the ribbed plate are made of magnesite cement bamboo-wood fiber composite plates;
the beams and the columns are coated by the wall plates and/or the floor slabs to form hidden beam and hidden column structures.
The magnesite cement bamboo-wood fiber composite board is composed of magnesite cement and bamboo, the storage capacity and the grade of magnesite in China are at the top of the world, the comprehensive benefit of the magnesite cement is high, and the manufacturing cost is low; the bamboo wood in China has wide production range and has higher price advantage compared with wood. Wallboard, floor are the integral hoist and mount construction of big board, adopt magnesite cement bamboo wood fiber composite sheet to constitute cavity wallboard, cavity floor structure, exempt from to cut the brick, and the construction is simple, swift, has the advantage of sexual valence relative altitude, green, and dead weight is light, intensity is high, anticorrosive fire behavior is good, and it is light high-strength material, reduces the earthquake action under the prerequisite that satisfies the structure bearing capacity. The beam and the column are of a hidden beam structure and a hidden column structure, construction is performed in a cast-in-place mode, integrity is good, and earthquake resistance ductility and collapse resistance are improved; the hidden beams and the hidden columns are coated by the wall plate and the floor slab, and a template is not required to be built during pouring, so that the construction is simple, and the construction period is shortened.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the magnesite cement bamboo-wood fiber composite board is adopted to form the structures of the cavity wall board and the cavity floor slab, brick laying is avoided, construction is simple and rapid, the hollow wall board and the cavity floor slab have the advantages of high cost performance, environmental friendliness, light weight, high strength, good corrosion resistance and fire resistance, and the hollow wall board and the cavity floor slab are made of light high-strength materials and reduce the earthquake action on the premise of meeting the structural bearing capacity.
2. The beam and the column are coated by the wall plate and the floor slab, the cast-in-place construction is adopted, a template is not required to be built during pouring, the construction is simple, the construction period is shortened, and the integrity is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of the prefabricated lightweight house of the present invention.
Fig. 2 is a schematic structural diagram of the wall plate and the floor slab of the invention.
Figure 3 is a cross-sectional view of one embodiment of a wall panel.
Fig. 4 is a sectional view in another direction in fig. 3.
Fig. 5 is a schematic structural view of the wall panels connected in a straight line.
FIG. 6 is a schematic view of a structure in which wall panels are connected in an L-shape.
FIG. 7 is a schematic view of a T-shaped connection structure between wall panels.
Fig. 8 is a schematic view of a cross connection structure between wall panels.
Fig. 9 is a schematic view of a connection structure between a floor slab and a wall panel.
Fig. 10 is a view a-a of fig. 9.
Fig. 11 is a schematic view of another connection structure between a floor slab and a wall slab.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 and 2, the magnesium bamboo board fast-assembling light house structure comprises a wall board 1, a floor board 4, a column 2 arranged at the edge of the wall board 1 and a beam for connecting the wall board and the floor board into a whole.
The wall plate and the floor slab comprise an upper structural plate 31, a lower structural plate 32 and a ribbed plate 33 connected between the upper structural plate 31 and the lower structural plate 32, the number of the ribbed plates is multiple, and a cavity structure is formed between the upper structural plate 31, the lower structural plate 32 and two adjacent ribbed plates. The upper structural plate 31, the lower structural plate 32 and the ribbed plates 33 are made of magnesite cement bamboo-wood fiber composite plates. The cavity wallboard made of the magnesite cement bamboo-wood fiber composite board is light in weight, 1/4 of the same thickness concrete wall weight, good in horizontal force resistance, capable of forming a shear wall structure with hidden columns on two sides of the wall body and excellent in lateral resistance. The cavity floor slab made of magnesite cement bamboo-wood fiber composite board has the weight of 1/3 of common concrete.
The beams and the columns are coated by the wall plates and/or the floor slabs to form hidden beam and hidden column structures.
Example 2
Based on the principle and structure of the above embodiments, the present embodiment discloses a structure of a wall panel in order to enhance the supporting function of the wall panel. Because the columns are coated and poured on the two adjacent wallboards, the hidden beams are coated and poured on the wallboards and the floor slabs, the wallboards and the floor slabs can adopt the structures shown in figure 2, and the rib plates simultaneously comprise vertical rib plates and transverse rib plates. Two adjacent syntropy floor and the structural slab of both sides form the cavity, and cavity quantity is decided according to floor quantity, and the wallboard plays the supporting role, and when the vertical bearing capacity of wallboard does not satisfy the bearing capacity requirement, as shown in fig. 3, 4, can pour reinforcing hidden pillar 34 in the cavity in order to improve wallboard bearing capacity. The number of cavity pouring is determined according to the specific bearing capacity requirement of the wall panel, and can be one, two, three or more, for example, two are adopted in fig. 3; of course, the reinforcement dark column 34 may not be poured at the position where the bearing capacity is less required, as shown in fig. 2. The position, the direction and the number of the rib plates are adjusted and determined according to specific installation positions, and a large plate integral pouring structure is adopted, so that hoisting construction is facilitated.
Example 3
Based on the principle and structure of the above embodiment, referring to fig. 5-8, the present embodiment discloses a connection structure of adjacent wall boards, that is, an opening 11 is provided on the connection end surface of two adjacent wall boards 1, and the opening 11 can be provided on the rib plate 33 of the edge, as shown in fig. 5, a straight connection is adopted; or may be provided on the upper structural panel 31 or/and the lower structural panel 32 as shown in fig. 6, 7 and 8 using L, T, a cross-type connection. The columns are poured in the cavities corresponding to the opening positions of the wall boards.
When the opening is arranged, the structure shown in the figures 5-8 can be adopted, the width of the opening is smaller than that of the corresponding side of the cavity at the connecting position, taking the figure 5 as an example, the width of the opening is smaller than that of the rib plate at the edge of the cavity, and when the column is poured, the rib plate is embedded into the column body, so that the integrity and the seismic ductility of the wall body and the column are enhanced.
Correspondingly, by adopting the connecting structure of the adjacent wall boards, the length of the embedded column formed by the connection of the adjacent wall boards between the same layers is controlled to be 200-600mm, namely the distance between the rib plates at the edges of the cavities of the two adjacent wall boards. The hidden column adopts a cast-in-place structure, and a longitudinal rib 61 and a stirrup 62 are arranged in the hidden column. The stirrup passes through the opening 11 and is arranged in the cavity of the two wallboards, and the stirrup is effectively connected with the two different wall bodies, so that the hidden column concrete can be effectively prevented from sliding on the inner interface of the cavity wallboard, and the hidden column is prevented from being separated from the cavity wall body under the action of earthquake load or wind load, so that the wall body is damaged at the joint, the strong node and weak component is realized, and the concept of earthquake resistance is consistent.
The column is a hidden column and is formed by cladding and pouring the wall plate, a mould is not required, and the construction efficiency is improved.
Example 4
The cavity floor slab made of the magnesite cement bamboo-wood fiber composite board has the weight of only 1/3 of common concrete; the floor slab has high bearing capacity and good integrity; and a large plate integral pouring structure is adopted, so that the hoisting construction is facilitated. Based on the principle and structure of the embodiment, referring to 9, 10 and 11, when adjacent floor slabs are connected, in order to enhance the connection performance of the floor slabs, reinforcing ribs are arranged in the beam, the reinforcing ribs can adopt structures such as tie bars 52 and cage bars 51, and two ends of the tie bars are respectively arranged in the connecting end cavities of the floor slabs; cage bars 51 are placed between the floor slabs and above the wall slabs.
Correspondingly, the floor slabs and the wall slabs are adopted to form the hidden beam shown in fig. 10 and 11, the height of the hidden beam is controlled to be 300-500mm, and similarly, the length of the tie bars 52 anchored into the floor slabs on the two sides is not less than 100 mm.
And pouring the integrated floor slab and the wallboard according to specific conditions and positions. During site operation, after the floor slab and the wall slab are installed in place, the connecting tie bars are laid, and the beams, the columns and the reinforcing embedded columns are poured simultaneously, so that the integrity is good, the seismic performance of the structure is improved, and particularly the collapse resistance of the structure under rare earthquakes is improved.
According to the fabricated light house structure, a horizontal force is borne by a shear wall formed by wall embedded columns, and the floor slab, the embedded beam coordinate the wall body and the embedded columns to bear the force together; the concrete embedded columns are arranged at the corners and the junctions of the longitudinal and transverse walls, the cast-in-place concrete ring beams are arranged at the top of the wall body, the wall boards and the floor slabs are connected into a whole, and the system has good integrity and anti-seismic performance. The cavity floor slab and the cavity wall slab have light dead weight and high strength, are both light high-strength materials, and reduce the earthquake action on the premise of meeting the structural bearing capacity; the hidden columns and the hidden beams have high bearing capacity and good ductility, and the deformation capacity of the structure under the action of horizontal load is ensured. By adopting the fabricated light house structure, the columns and the beams are cast-in-place construction, the integrity is good, the structure is light and high in strength, the earthquake action is small, and the earthquake resistance is good; the structure has good earthquake-resistant ductility and high collapse resistance. The reinforcing ribs 51 are produced into cages in an industrial mode, are in local lap joint on site, are concise in connection and are easy to guarantee quality; the corrosion resistance is strong, and the coating is suitable for various severe environments. The cast-in-place concrete consumption is less, and the assembly degree is high; the sea sand concrete can be adopted, the waste is utilized, and the method is green and environment-friendly and has wide application range. The concrete pouring is free of a template, the construction is simple, the construction period is short, and the fund withdrawal is fast. The reinforcing rib can be made of reinforcing steel bars or other materials such as basalt fiber composite ribs.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (7)

1. The utility model provides a light-duty building structure of magnesium bamboo board rapid Assembly formula, includes wallboard, floor, arranges the post at wallboard border in and is used for linking wallboard, floor beam as an organic whole, its characterized in that:
the wall plate and the floor plate comprise an upper structural plate, a lower structural plate and a ribbed plate connected between the upper structural plate and the lower structural plate, and the upper structural plate, the lower structural plate and the ribbed plate are made of magnesite cement bamboo-wood fiber composite plates;
the beams and the columns are coated by the wall plates and/or the floor slabs to form hidden beam and hidden column structures.
2. The magnesium bamboo panel fast-assembling lightweight building structure of claim 1, wherein a reinforcing embedded column is cast in the cavity between two adjacent rib panels of the wall panel.
3. The magnesium bamboo board quick assembly type light house structure is characterized in that openings are formed in the connecting end faces of two adjacent wall boards, and the columns are poured into cavities corresponding to the positions of the openings of the wall boards.
4. The magnesium bamboo panel fast-assemble lightweight building structure of claim 2, wherein the width of said opening is less than the width of the side of the cavity.
5. The magnesium bamboo panel fast-assembling lightweight building structure of claim 3, wherein said column comprises longitudinal ribs, stirrups and pouring layers, said stirrups are placed through the openings in the cavities of two adjacent wall panels.
6. The magnesium bamboo board fast-assembling light house structure of claim 1, wherein the connecting end surfaces of two adjacent floor slabs are provided with openings, and the beam is provided with reinforcing ribs.
7. The magnesium bamboo panel rapid-fabricated lightweight building structure of claim 6, wherein the reinforcing ribs comprise tie bars, and the tie bars are placed on the floor slab for a length of not less than 100 mm.
CN202010584517.5A 2020-06-24 2020-06-24 Light-duty building structure of rapid Assembly formula Pending CN111705938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010584517.5A CN111705938A (en) 2020-06-24 2020-06-24 Light-duty building structure of rapid Assembly formula

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010584517.5A CN111705938A (en) 2020-06-24 2020-06-24 Light-duty building structure of rapid Assembly formula

Publications (1)

Publication Number Publication Date
CN111705938A true CN111705938A (en) 2020-09-25

Family

ID=72542213

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010584517.5A Pending CN111705938A (en) 2020-06-24 2020-06-24 Light-duty building structure of rapid Assembly formula

Country Status (1)

Country Link
CN (1) CN111705938A (en)

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