CN211899232U - External hanging wallboard of prestressed steel pipe truss and wall manufactured and installed by using same - Google Patents

External hanging wallboard of prestressed steel pipe truss and wall manufactured and installed by using same Download PDF

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Publication number
CN211899232U
CN211899232U CN201921930395.XU CN201921930395U CN211899232U CN 211899232 U CN211899232 U CN 211899232U CN 201921930395 U CN201921930395 U CN 201921930395U CN 211899232 U CN211899232 U CN 211899232U
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Prior art keywords
truss
wall
crossbeam
prestressing force
pipe
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CN201921930395.XU
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Chinese (zh)
Inventor
张波
张树辉
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Individual
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Individual
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Classifications

    • 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
    • E04C2/04Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/06Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
    • 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
    • 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
    • E04B2/84Walls made by casting, pouring, or tamping in situ
    • E04B2/86Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8611Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
    • 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
    • E04B2/88Curtain walls
    • E04B2/90Curtain walls comprising panels directly attached to the structure
    • 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
    • E04B2/88Curtain walls
    • E04B2/90Curtain walls comprising panels directly attached to the structure
    • E04B2/94Concrete panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/065Light-weight girders, e.g. with precast parts
    • E04C5/0653Light-weight girders, e.g. with precast parts with precast parts
    • E04C5/0656Light-weight girders, e.g. with precast parts with precast parts with lost formwork

Abstract

The utility model provides a wall body of wallboard and this wallboard preparation installation is hung outward to prestressing force steel pipe truss, it includes the prestressing force board, parallel arrangement truss roof beam on the prestressing force board, each truss roof beam all includes the truss top chord pipe, and truss top chord pipe both ends periphery sets up the external screw thread, and the equal installation sleeve pipe in truss top chord pipe both ends, the sleeve pipe inner wall sets up the internal thread, the external screw thread of truss top chord pipe and the interior screw-thread fit of sleeve pipe inner wall. The utility model discloses a but the prestressed reinforcement concrete board that has the truss forms building wall with upper and lower layer crossbeam lug connection at the job site, and the processing degree of difficulty of component is low, the yield is high, the transportation of being convenient for, and its truss both ends have set up length adjustment mechanism, can adjust the length of truss in the certain limit during site operation, and it is fixed to ensure that truss both ends and upper and lower layer crossbeam can the close contact completion.

Description

External hanging wallboard of prestressed steel pipe truss and wall manufactured and installed by using same
Technical Field
The utility model relates to a building prefabricated component, more exactly a wall body of prestressing force steel pipe truss outer wall board and use this wallboard preparation installation.
Background
The building wall in the existing fabricated building can be manufactured in a factory, and the construction of the wall can be completed after the building wall is assembled with a main frame of the building on a construction site. The existing wall body member capable of bearing load generally has large dead weight, is unfavorable for building structure, needs large-tonnage hoisting equipment during installation, and has high hoisting cost and inconvenient installation operation. The existing wall body member is an independent structure in a building, is fixed in the building only through a connecting piece or a hanging piece, cannot form an integral structure with upper and lower beams of the building, does not have obvious help for improving the strength of the building, and cannot enhance the anti-seismic performance of the building. When an existing wall body component is installed, and because main body construction is completed during wall body assembly, if the distance between an upper layer cross beam and a lower layer cross beam deviates, the prefabricated wall body is difficult to assemble and fix normally.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wall body of outer wallboard of hanging of prestressed steel pipe truss and use this wallboard preparation installation, it adopts the prestressed reinforced concrete board that has the truss to form building wall body at job site and crossbeam lug connection, and the height of truss can be adjusted in the certain limit, still can install smoothly when the deviation appears in the interval between upper and lower floor's crossbeam and fix.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme: including the prestressing force board, the prestressing force board is concrete slab (2) of pre-buried prestressing steel (1), and parallel arrangement multiunit truss roof beam on the prestressing force board, each truss roof beam all include truss chord tube (3), and truss chord tube (3) both sides set up truss web reinforcement (4), and truss web reinforcement (4) lower part is pre-buried in the prestressing force board, prestressing steel (1) are perpendicular with truss chord tube (3), and each prestressing steel (1) is located the middle part of concrete slab (2) thickness direction, and truss chord tube (3) both ends periphery sets up the external screw thread, and sleeve pipe (5) are all installed at truss chord tube (3) both ends, and sleeve pipe (5) inner wall sets up the internal thread, and the external screw thread of truss chord tube (3) cooperates with the internal thread of sleeve pipe (5) inner wall. The truss upper chord tube (3) is characterized in that the two ends of the truss upper chord tube (3) are respectively provided with a connector (6), the connectors (6) are welded with the truss upper chord tube (3), the outer threads at the two ends of the truss upper chord tube (3) are arranged on the periphery of the connectors (6), and the connectors (6) are in threaded fit with the sleeve (5). And hard fillers are filled in the truss upper chord tube (3). A plurality of reinforcing ribs (10) are arranged on the periphery of each sleeve (5), and the reinforcing ribs (10) are uniformly distributed along the periphery of the sleeve (5).
The wall body of using above-mentioned prestressing force steel pipe truss to hang wallboard preparation installation outward, each the total length of truss roof beam all is less than the length of concrete slab (2) corresponding direction, and truss roof beam one end flushes with concrete slab (2) border, and sleeve pipe (5) and upper crossbeam (7) bottom surface of truss chord tube (3) one end are connected, and sleeve pipe (5) and lower floor's crossbeam (8) top surface of truss chord tube (3) the other end are connected, set up floor board (9) on lower floor's crossbeam (8), the truss roof beam lower part is buried in floor board (9). The upper-layer beam (7) and the lower-layer beam (8) are steel beams, and the sleeve (5) is welded with the steel beams. The upper-layer cross beam (7) and the lower-layer cross beam (8) are both concrete beams, the concrete beams are provided with embedded metal pieces (11) at positions corresponding to the sleeves (5), and the embedded metal pieces (11) are welded with the sleeves (5) mutually. Set up fossil fragments (12) between floor board (9) and upper crossbeam (7), fossil fragments (12) inboard installation decorative board (13), pack heat preservation sound insulation material (14) between decorative board (13) and concrete slab (2). Be equipped with two prestressing force steel pipe truss outer wall plates between upper crossbeam (7) and lower floor's crossbeam (8), the truss roof beam of two prestressing force steel pipe truss outer wall plates sets up and two concrete slab (2) are located upper crossbeam (7) both sides respectively in opposite directions, and truss chord tube (3) both ends of two prestressing force steel pipe truss outer wall plates are equallyd divide and are do not connected with upper crossbeam (7) bottom surface and lower floor's crossbeam (8) top surface. The steel beam of upper crossbeam (7) and lower floor's crossbeam (8) is upper I-beam and lower floor's I-beam, and the upper flange width of upper I-beam and lower floor's I-beam all is greater than the bottom flange width, and the top flange border of building indoor side aligns with the bottom flange border, the contact of concrete slab (2) upper end and the upper flange bottom surface of upper I-beam of prestressing force steel pipe truss outer wall board, the contact of concrete slab (2) lower extreme and the top flange top surface of lower floor's I-beam, the contact of the outdoor tip of bottom flange and concrete slab (2) of upper I-beam.
The utility model has the advantages that: the prestressed reinforced concrete plate with the truss is directly connected with the upper-layer cross beam and the lower-layer cross beam on a construction site to form a building wall, the member is low in processing difficulty, high in yield and convenient to transport, the length adjusting mechanisms are arranged at the two ends of the truss, the length of the truss can be adjusted within a certain range during site construction, and the two ends of the truss are ensured to be in close contact with the upper-layer cross beam and the lower-layer cross beam to complete connection and fixation. The prestressed reinforced concrete slab with the truss is used as an outer framework of a wall body, the rigidity of the wall body is increased, the thickness of the wall body is reduced on the basis of ensuring the strength, the truss girder bears longitudinal acting force between two layers of cross beams, the rigidity and the compression resistance of the wall body are further improved, the prestressed reinforced concrete slab made of concrete can be stressed by the prestressed reinforcement arranged in the prestressed reinforced concrete slab, the wall body is prevented from cracking, reciprocating force generated by earthquake can be resisted when the earthquake occurs, the earthquake energy is consumed, and the building is protected. The wall body made in the steel structure building can cover the outer side of the beam, and the fireproof performance of the steel beam is enhanced.
Drawings
Fig. 1 is a schematic structural view of the prestressed steel pipe truss external wall panel of the present invention;
FIG. 2 is a schematic bottom view of the structure of FIG. 1;
FIG. 3 is an enlarged view of the portion I of FIG. 2;
fig. 4 is a schematic structural view of the wall panel of the present invention, which is shown in a state of being used for steel structure construction;
FIG. 5 is a schematic structural view of the wall panel of the present invention, showing a state for reinforced concrete construction;
FIG. 6 is a schematic diagram of the right side view of the structure of FIG. 5;
fig. 7 is a schematic structural view of the wall panel of the present invention, showing the state that the keel and the decorative plate are installed;
fig. 8 is the utility model discloses a hollow wall's structural schematic diagram is constituteed to two blocks of prestressing force steel pipe truss outer wall panels.
Detailed Description
Prestressed steel pipe truss outer wall panel, including the prestressed plate, the prestressed plate is pre-buried prestressed steel bar 1's concrete slab 2, and parallel arrangement multiunit truss roof beam on the prestressed plate, each truss roof beam all include truss upper chord pipe 3, and truss upper chord pipe 3 both sides set up truss web member 4, and truss web member 4 lower part is pre-buried in the prestressed plate, prestressed steel bar 1 is perpendicular with truss upper chord pipe 3, and each prestressed steel bar 1 is located the middle part of concrete slab 2 thickness direction, and truss upper chord pipe 3 both ends periphery sets up the external screw thread, and 3 both ends all install sleeve pipe 5 on truss upper chord pipe, and sleeve pipe 5 inner wall sets up the internal thread, truss upper chord pipe 3's external screw thread and the interior screw-thread fit of 5 inner walls of sleeve pipe. The thread fit between the sleeve 5 and the truss upper chord tube 3 can realize the adjustment of the whole length of the truss girder, ensure that the two ends of the truss girder can be in close contact with the peripheral structure to complete the connection, and still normally complete the installation and fixation of the wallboard when the deviation occurs in the space between the upper and lower beams. The wallboard component of the utility model has low processing difficulty, high yield and convenient transportation; the prestressed plates are used as the outer frameworks of the wall body, the rigidity of the wall body is increased, the thickness of the wall body is reduced on the basis of ensuring the strength, the truss beams bear longitudinal acting force between the two layers of cross beams, the rigidity and the compression resistance of the wall body are further improved, the load capacity of the concrete slab is enhanced, the integrity of the building can be enhanced by connecting the truss beams with the peripheral cross beams and other structures, the shock resistance of the building is improved, the prestressed steel bars arranged in the concrete slab can enable the prestressed plates made of concrete to be compressed, the wall body is prevented from cracking, the reciprocating force generated by an earthquake can be resisted when the earthquake occurs, the earthquake energy is consumed, and the building is protected. The wallboard still can leave the entrance to a cave that is used for installing door and window on the prestressing force board according to the demand of concrete use position when the preparation.
Because truss upper chord 3 self length is longer, need use special extra long fixing device to fix it when its both ends processing external screw thread, the utility model discloses a reduce the preparation degree of difficulty, can truss upper chord 3 both ends all set up connector 6, and connector 6 adopts multiple modes such as welding, interference fit with truss upper chord 3 to be connected, and the external screw thread setting at truss upper chord 3 both ends is in connector 6 periphery, and connector 6 passes through screw-thread fit with sleeve pipe 5. The connector 6 can be independently processed in batches and then is connected with the truss upper chord tube 3, the structure can also realize the effect of adjusting the whole length of the truss girder, and the processing difficulty can be obviously reduced.
The utility model discloses a further promote the rigidity of truss girder can pack the stereoplasm filler in truss chord tube 3. The hard filler can be concrete, cement mortar and other hard materials which are easy to fill. Under the condition that can guarantee sufficient intensity, truss chord tube 3 also can be replaced with the shaped steel of solid upper chord reinforcing bar or other shapes.
The utility model discloses a reliability when reinforcing sleeve 5 and building peripheral structure are connected can 5 weeks of each sleeve pipe set up a plurality of strengthening ribs 10, and 5 weeks evenly distributed are followed to each strengthening rib 10. The reinforcing ribs 10 can effectively improve the structural strength of the sleeve 5 and prevent the sleeve from being deformed under stress. When sleeve 5 and peripheral metallic structure welding, strengthening rib 10 can increase welding area by a wide margin, is favorable to promoting welding strength, and when sleeve 5 need be pre-buried among the concrete piece, strengthening rib 10 can also strengthen the anchor power of sleeve 5 among the concrete, guarantees joint strength.
The wall body manufactured and installed by using the prestressed steel pipe truss externally-hung wallboard is characterized in that the total length of each truss girder is smaller than the length of the concrete slab 2 in the corresponding direction, one end of each truss girder is flush with the edge of the concrete slab 2, the sleeve 5 at one end of the upper chord pipe 3 of the truss is connected with the bottom surface of the upper cross beam 7, the sleeve 5 at the other end of the upper chord pipe 3 of the truss is connected with the top surface of the lower cross beam 8, the lower cross beam 8 of the truss is provided with a floor plate 9, and the lower part of the truss girder is embedded into the floor plate 9. The wall body of this structure can be with the crossbeam, wall body and the floor board synthesis of building a firm overall structure, and metal truss roof beam has strengthened concrete slab's load-carrying capacity, can strengthen building self wholeness after being connected with upper and lower floor's crossbeam, promotes the shock resistance of building by a wide margin. The wall has the important functions of stress, sealing, heat preservation, fire prevention, water prevention, sound insulation, weather resistance and the like.
In steel structure building, upper crossbeam 7 and lower floor's crossbeam 8 all are the girder steel, and sleeve pipe 5 can directly weld each other with the girder steel.
In the building with the reinforced concrete structure, the upper-layer cross beam 7 and the lower-layer cross beam 8 are both concrete beams, embedded metal pieces 11 can be arranged at the positions of the concrete beams corresponding to the sleeves 5, and the embedded metal pieces 11 are welded with the sleeves 5.
The utility model relates to a when building outer wall uses, can set up fossil fragments 12 between floor board 9 and upper crossbeam 7, the inboard installation decorative board 13 of fossil fragments 12, pack heat preservation sound insulation material 14 between decorative board 13 and the concrete slab 2. The structure can improve the heat preservation and sound insulation performance of the building outer wall, enhance the attractiveness of the indoor side wall body, reduce the later-stage decoration steps, utilize the outer wall prestressed plate as the outer mold of the filling material and the decorative plate as the inner mold of the filling material, and does not need to additionally establish a filling template, thereby being beneficial to simplifying the outer wall construction steps and improving the construction efficiency.
The utility model discloses still can be equipped with two prestressing force steel pipe truss outer wall plates between 7 and the lower floor's crossbeam 8 of upper crossbeam, the truss girder that two prestressing force steel pipe truss outer wall plates set up in opposite directions and two concrete slab 2 are located 7 both sides of upper crossbeam respectively, and 3 both ends of truss upper chord pipe of two prestressing force steel pipe truss outer wall plates are equallyd divide and do not are connected with 7 bottom surfaces of upper crossbeam and 8 top surfaces of lower floor's crossbeam. The structure can form a hollow wall body, wallboards on two sides of the wall body are directly connected with the cross beam to realize installation and fixation, and a wallboard support piece is not required to be additionally arranged in construction, so that the construction steps of the hollow wall body can be simplified, and the strength of the wall body can be improved.
The utility model is used for during the steel construction building of I shape crossbeam, can adopt following structure: the girder steel of upper crossbeam 7 and lower floor's crossbeam 8 is upper I-beam and lower floor's I-beam, and the upper flange width of upper I-beam and lower floor's I-beam all is greater than the bottom flange width, and the top flange border of building indoor side aligns with the bottom flange border, 2 upper ends of concrete slab of prestressing force steel pipe truss outer wall-hanging plate contact with the upper flange bottom surface of upper I-beam, and 2 lower extremes of concrete slab contact with the top flange top surface of lower floor's I-beam, and the outdoor side tip in bottom flange of upper I-beam contacts with concrete slab 2. The structure realizes the positioning of the vertical direction of the wallboard through the upper flange of the I-shaped beam, realizes the positioning of the horizontal direction of the wallboard through the lower flange, enables the wallboard mounting position to be standard and unified, after the wallboard is mounted, the prestressed plate and the truss girder are in close contact with and connected with the I-shaped beam into a whole, and the prestressed plate can cover the outer side of the beam to enhance the fireproof performance of the steel beam. The building integrity can be effectively enhanced, the earthquake energy is consumed in the earthquake, and the earthquake resistance is further enhanced.

Claims (10)

1. The outer wallboard that hangs of prestressing force steel pipe truss, its characterized in that: including the prestressing force board, the prestressing force board is concrete slab (2) of pre-buried prestressing steel (1), and parallel arrangement multiunit truss roof beam on the prestressing force board, each truss roof beam all include truss chord tube (3), and truss chord tube (3) both sides set up truss web reinforcement (4), and truss web reinforcement (4) lower part is pre-buried in the prestressing force board, prestressing steel (1) are perpendicular with truss chord tube (3), and each prestressing steel (1) is located the middle part of concrete slab (2) thickness direction, and truss chord tube (3) both ends periphery sets up the external screw thread, and sleeve pipe (5) are all installed at truss chord tube (3) both ends, and sleeve pipe (5) inner wall sets up the internal thread, and the external screw thread of truss chord tube (3) cooperates with the internal thread of sleeve pipe (5) inner wall.
2. The prestressed steel pipe truss externally hung wallboard according to claim 1, wherein: the truss upper chord tube (3) is characterized in that the two ends of the truss upper chord tube (3) are respectively provided with a connector (6), the connectors (6) are connected with the truss upper chord tube (3), the outer threads at the two ends of the truss upper chord tube (3) are arranged on the periphery of the connectors (6), and the connectors (6) are in threaded fit with the sleeve (5).
3. The prestressed steel pipe truss externally hung wallboard according to claim 1, wherein: and hard fillers are filled in the truss upper chord tube (3).
4. The prestressed steel pipe truss externally hung wallboard according to claim 1, wherein: the sleeve is characterized in that a plurality of reinforcing ribs (10) are arranged on the periphery of the sleeve (5), and the reinforcing ribs (10) are uniformly distributed along the periphery of the sleeve (5).
5. The wall body manufactured and installed by using the prestressed steel pipe truss externally-hung wallboard of any one of claims 1-4, is characterized in that: each the total length of truss girder all is less than the length of concrete slab (2) corresponding direction, and truss girder one end flushes with concrete slab (2) border, and sleeve pipe (5) and upper crossbeam (7) bottom surface of truss upper chord pipe (3) one end are connected, and sleeve pipe (5) and lower floor's crossbeam (8) top surface of truss upper chord pipe (3) other end are connected, set up floor board (9) on lower floor's crossbeam (8), the truss girder lower part is buried in floor board (9).
6. The wall of claim 5, wherein: the upper-layer beam (7) and the lower-layer beam (8) are steel beams, and the sleeve (5) is welded with the steel beams.
7. The wall of claim 5, wherein: the upper-layer cross beam (7) and the lower-layer cross beam (8) are both concrete beams, the concrete beams are provided with embedded metal pieces (11) at positions corresponding to the sleeves (5), and the embedded metal pieces (11) are welded with the sleeves (5) mutually.
8. The wall of claim 5, wherein: set up fossil fragments (12) between floor board (9) and upper crossbeam (7), fossil fragments (12) inboard installation decorative board (13), pack heat preservation sound insulation material (14) between decorative board (13) and concrete slab (2).
9. The wall of claim 5, wherein: be equipped with two prestressing force steel pipe truss outer wall plates between upper crossbeam (7) and lower floor's crossbeam (8), the truss roof beam of two prestressing force steel pipe truss outer wall plates sets up and two concrete slab (2) are located upper crossbeam (7) both sides respectively in opposite directions, and truss chord tube (3) both ends of two prestressing force steel pipe truss outer wall plates are equallyd divide and are do not connected with upper crossbeam (7) bottom surface and lower floor's crossbeam (8) top surface.
10. The wall of claim 9, wherein: the steel beam of upper crossbeam (7) and lower floor's crossbeam (8) is upper I-beam and lower floor's I-beam, and the upper flange width of upper I-beam and lower floor's I-beam all is greater than the bottom flange width, and the top flange border of building indoor side aligns with the bottom flange border, the contact of concrete slab (2) upper end and the upper flange bottom surface of upper I-beam of prestressing force steel pipe truss outer wall board, the contact of concrete slab (2) lower extreme and the top flange top surface of lower floor's I-beam, the contact of the outdoor tip of bottom flange and concrete slab (2) of upper I-beam.
CN201921930395.XU 2018-11-09 2019-11-08 External hanging wallboard of prestressed steel pipe truss and wall manufactured and installed by using same Active CN211899232U (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN2018218432037 2018-11-09
CN201821843203 2018-11-09
CN201920490457 2019-04-11
CN2019204904573 2019-04-11
CN2019208868773 2019-06-13
CN2019208865544 2019-06-13
CN201920886877 2019-06-13
CN201920886554 2019-06-13

Publications (1)

Publication Number Publication Date
CN211899232U true CN211899232U (en) 2020-11-10

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN201921930395.XU Active CN211899232U (en) 2018-11-09 2019-11-08 External hanging wallboard of prestressed steel pipe truss and wall manufactured and installed by using same
CN201911085338.0A Pending CN110748076A (en) 2018-11-09 2019-11-08 External hanging wallboard of prestressed steel pipe truss and wall manufactured and installed by using same

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201911085338.0A Pending CN110748076A (en) 2018-11-09 2019-11-08 External hanging wallboard of prestressed steel pipe truss and wall manufactured and installed by using same

Country Status (1)

Country Link
CN (2) CN211899232U (en)

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Publication number Publication date
CN110748076A (en) 2020-02-04

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