CN216239245U - Hollow nest core plate of steel mesh truss - Google Patents

Hollow nest core plate of steel mesh truss Download PDF

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Publication number
CN216239245U
CN216239245U CN202121398094.4U CN202121398094U CN216239245U CN 216239245 U CN216239245 U CN 216239245U CN 202121398094 U CN202121398094 U CN 202121398094U CN 216239245 U CN216239245 U CN 216239245U
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steel
truss
steel bar
buckle
steel mesh
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CN202121398094.4U
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Chinese (zh)
Inventor
陈星岑
刘春�
陈跃军
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Abo Building Material Kunshan Co ltd
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Abo Building Material Kunshan Co ltd
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Abstract

The utility model discloses a steel mesh truss hollow nest core plate which comprises a steel mesh, a first longitudinal steel bar, a buckle steel bar truss, a second longitudinal steel bar and a packing layer, wherein the steel mesh truss is arranged on the first longitudinal steel bar; the surface of the steel mesh is provided with a plurality of rib reinforcing ribs which are distributed in parallel at intervals; the buckle steel bar trusses are distributed in parallel at intervals, and a plurality of first longitudinal steel bars and second longitudinal steel bars are vertically arranged on two sides of the buckle steel bar trusses to form a space net rack; a plurality of buckling grooves are formed in one side of the buckling steel bar truss, and the steel mesh is assembled on one side of the space net rack in a buckling fit mode through the rib reinforcing ribs and the buckling grooves; a plurality of cavities which are arranged in a longitudinal and transverse mode are formed in the space net rack, and filling boxes are arranged in the cavities; the filler layer covers the steel mesh and covers the steel mesh. The utility model belongs to a preset assembled hollow floor slab, a formwork is not required to be erected at the bottom of the floor slab, the investment and waste of templates are reduced, and the requirement of green energy-saving buildings is met.

Description

Hollow nest core plate of steel mesh truss
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of buildings, and particularly relates to a steel mesh truss hollow nest core plate.
[ background of the utility model ]
In the building industry, in order to ensure the requirement of the floor on the compression and shear strength and gradually pursue a construction method of energy conservation, environmental protection and emission reduction, along with the development of the technology, when a building load-bearing main body structure is manufactured, a steel bar mesh cage supporting technology gradually becomes a novel structure construction method.
The prefabricated floor slabs in the existing market mainly comprise prefabricated floor slabs such as PC laminated slab floors and steel truss floor bearing plates, and the biggest defects are that the transportation volume is large, the transportation cost is high, the volume weight is large, the transportation is inconvenient, the hoisting cost is high, the assembling precision is high, the operation difficulty is large, the difficulty of a steel bar lap joint is large, the pouring quality of a seam part is difficult to control, and the like. The lower flange of the existing cast-in-place cavity floor is made by casting in situ, and the practical problems of uneven thickness of the lower flange, difficult control of strength, easy floating of a filling box in casting, uneven thickness of the upper flange, displacement of reinforcing steel bars and the like are easy to occur in the actual construction. Patent number 201810404653.4 discloses a hollow prefabricated bottom plate of steel truss among the prior art, though adopt the prefabricated construction with the bottom flange, its prefabricated bottom plate size is too big, and is unsatisfactory with beam structure's bonding strength when the site operation preparation floor, and the transportation is with depositing and inconvenient, and it is also inconvenient to carry when the site operation, wastes time and energy, has great construction degree of difficulty.
Therefore, it is necessary to develop a steel truss hollow core plate to solve the above problems.
[ Utility model ] content
One of the main purposes of the utility model is to provide a steel mesh truss hollow nest core plate, the bottom of the floor plate can be free from formwork support, the investment and waste of the formwork are reduced, the requirements of green energy-saving buildings are met, the construction cost is reduced, and the production efficiency is improved.
The utility model realizes the purpose through the following technical scheme: a steel mesh truss empty nest core plate comprises a first steel mesh, a first longitudinal steel bar, a buckle steel bar truss, a second longitudinal steel bar, a first packing layer and a second packing layer; the surface of the first steel mesh is provided with a plurality of rib reinforcing ribs which are distributed in parallel at intervals; the buckle steel bar trusses are distributed in parallel at intervals, and a plurality of first longitudinal steel bars and second longitudinal steel bars are vertically arranged on two sides of the buckle steel bar trusses to form a space net rack with a crisscross structure; a plurality of buckling grooves are formed in one side of the buckling steel bar truss, and the first steel mesh is assembled on one side of the space net rack in a buckling fit mode through the rib reinforcing ribs and the buckling grooves; a plurality of cavities which are arranged in a longitudinal and transverse mode are formed in the space net rack, and filling boxes are arranged in the cavities; the first filler layer covers the first steel mesh and covers the first steel mesh; the second filler layer is positioned at the other side of the space net rack.
Further, a gap space between the cavity and the filling box is filled with filling materials, and the filling materials are concrete, cement mortar, gypsum mortar or dry-mixed mortar.
Furthermore, the first filler layer and the second filler layer are one or a combination of a plurality of concrete, cement mortar, gypsum mortar or dry-mixed mortar.
The space net rack is characterized by further comprising a second steel mesh, the second steel mesh and the first steel mesh are respectively positioned on two sides of the space net rack, and the second filler layer covers the second steel mesh and covers the second steel mesh.
Furthermore, the buckle steel bar truss is connected with the first longitudinal steel bar and the second longitudinal steel bar through binding, welding, screwing, riveting or utilizing a connecting piece.
Furthermore, buckle steel bar truss includes two horizontal reinforcing bars that parallel distribution each other, connects two a plurality of buckle connection pieces of horizontal reinforcing bar, the parallel interval arrangement of buckle connection piece sets up.
Furthermore, the buckle connecting piece is of a plate structure, the buckle grooves are formed in the two ends of the buckle connecting piece, and the buckle grooves protrude out of the transverse reinforcing steel bar body and are connected with the first steel mesh and the bead reinforcing ribs on the second steel mesh in a buckling mode.
Furthermore, the buckle connecting pieces are arranged in one-to-one correspondence with the rib reinforcing ribs.
Compared with the prior art, the steel mesh truss hollow nest core plate has the beneficial effects that: the prefabricated hollow floor slab has the advantages that the prefabricated hollow floor slab is free of formwork supporting at the bottom of the floor slab, investment and waste of formworks are reduced, and requirements of green energy-saving buildings are met; the space net rack and the first packing layer can be directly manufactured on site in advance, the manufactured assembly device is directly hoisted to the support frame in an integral hoisting mode, the second packing layer is poured after the filling box is placed in the cavity in the assembly body, the construction period can be greatly shortened, and the construction efficiency is improved; the floor slab of the scheme has light volume weight, simple manufacture, large span, high bearing capacity, strong shock resistance, a template is not required to be supported at the bottom of the net cage, the prefabricated bottom plate contains reinforcing steel bars, the bonding property of the reinforcing steel bars and cast-in-place concrete is good, the tensile property of the lower flange plate is enhanced according to the requirement of reinforcing steel bar tensile anchoring, the uniform thickness of the lower flange plate of the floor slab is ensured, the hanging force is strong, the bonding property of the top surface and the side surface of the filling box and the cast-in-place concrete is good, the integrity of the filling box and the floor slab is ensured, the use requirements of the formed floor slab structure stress, decoration and the like are enhanced, and the comprehensive cost of hanging the assembled floor slab can be reduced.
[ description of the drawings ]
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional partial structure diagram according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a snap-fit steel truss in an embodiment of the utility model;
FIG. 4 is a schematic structural diagram of a spatial grid according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of an assembly according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of the assembly body of the embodiment of the present invention after being hoisted to the supporting frame and the filling box is placed;
FIG. 7 is a schematic side exploded view of a wall panel in an embodiment of the present invention;
the figures in the drawings represent:
100 steel mesh truss empty nest core plates;
1, a first steel mesh, 11 rib reinforcing ribs; 2 first longitudinal steel bars; 3, buckling a steel bar truss, 31 transverse steel bars, 32 buckling connecting sheets and 321 buckling grooves; 4 second longitudinal steel bars; 5 a first packing layer; 6, a cavity; 7 filling the box; 8 a second packing layer; 9, supporting frames; 10 second steel mesh.
[ detailed description ] embodiments
The first embodiment is as follows:
referring to fig. 1 to 7, the present embodiment is a steel mesh truss empty nest core plate 100, which includes a first steel mesh 1, a first longitudinal steel bar 2, a fastening steel bar truss 3, a second longitudinal steel bar 4, a first packing layer 5 and a second packing layer 8; the surface of the first steel mesh 1 is provided with a plurality of rib reinforcing ribs 11 which are distributed in parallel at intervals; a plurality of first longitudinal steel bars 2 are distributed on the first steel mesh 1 in parallel to form a first steel bar layer; a plurality of buckle steel bar trusses 3 are arranged on the first steel bar layer, and the buckle steel bar trusses 3 are distributed in parallel and are perpendicular to the first longitudinal steel bars 2; the second longitudinal steel bars 4 and the first longitudinal steel bars 2 are arranged on the buckle steel bar truss 3 in a one-to-one correspondence manner; the first steel mesh 1 is embedded in the first filler layer 5; the first longitudinal steel bars 2, the buckle steel bar trusses 3 and the second longitudinal steel bars 4 form a plurality of criss-cross cavities 6 which are positioned above the first packing layer 5, and a packing box 7 is placed in each cavity 6; the second packing layer 8 is filled in the gap between the cavity 6 and the packing box 7, covers the second reinforcing steel bar layer and forms an upper support plate above the packing box 7.
First vertical reinforcing bar 2, buckle steel bar truss 3 and second vertical reinforcing bar 4 constitute the space rack that has crisscross bearing structure.
Buckle steel bar truss 3 is in the same place with first vertical reinforcement 2, the welding of second vertical reinforcement 4, in other embodiments, also can link together through modes such as ligature, spiro union, riveting, or utilize the connecting piece, does not restrict to the connected mode of reinforcing bar in this embodiment.
The buckle steel bar truss 3 comprises two transverse steel bars 31 which are distributed in an up-down parallel mode and a plurality of buckle connecting pieces 32 which are vertically connected with the two transverse steel bars 31, and the buckle connecting pieces 32 are horizontally arranged at intervals. The fastening connection piece 32 is a plate structure and has a fastening groove 321 at the lower end. The fastening groove 321 at the lower end of the fastening connecting piece 32 protrudes out of the body of the transverse reinforcing steel bar 31 to be fastened and connected with the rib reinforcing rib 11. The upper end of the snap connection tab 32 may also be provided with a snap groove 321 as desired.
The snap connecting pieces 32 are arranged in one-to-one correspondence with the rib reinforcing ribs 11 on the first steel net 1.
The two ends of the second longitudinal steel bar 4 and the first longitudinal steel bar 2 are bent oppositely to form a hook structure.
The two ends of the transverse steel bar 31 in the buckling steel bar truss 3 are oppositely bent to form a hook structure.
The embodiment further comprises a second steel net 10, the second steel net 10 and the first steel net 1 are respectively located at two sides of the space net frame, and the second filler layer 8 covers the second steel net 10 and covers the second steel net 10.
In another embodiment, the gap space between the filling box 7 and the cavity 6 can also be filled with the second filler layer 8 by casting.
The steel truss hollow-nest core plate 100 of the present embodiment can be applied to a floor or a wall plate. When the steel mesh truss hollow nest core floor slab is used as a floor slab, a space grid structure is jointly formed by the buckle steel bar truss and the two steel bar layers, a plurality of buckle groove structures are formed on two sides of the space grid structure, the first steel mesh with the rib reinforcing ribs is matched to serve as a bottom carrier, mortar is poured on the first steel mesh at the bottom to form a preset bottom plate, namely the first packing layer in the embodiment, a filling box body is arranged by combining a cavity in the space grid structure, concrete is poured on the upper layer, the first packing layer is formed, and then the steel mesh truss hollow nest core floor slab is formed. When the novel space net rack is used as a wallboard, the buckle steel bar truss is vertically arranged, the steel bar layers are arranged on the front side and the rear side of the buckle steel bar truss to form a space net rack, the filling box is arranged in a cavity formed by the space net rack, then the steel meshes are arranged on the left side and the right side or one side of the space net rack, then the mortar layers are smeared to form two filling layers, and the heat-insulation layers can be filled in a matched mode to form a heat-insulation wall; and concrete is poured between the two packing layers to form the steel mesh truss hollow nest core wallboard.
The embodiment also provides a construction method of the steel mesh truss empty nest core plate, which comprises the following steps:
1) laying first longitudinal steel bars 2 in parallel according to a designed interval to form a first steel bar layer;
2) the buckling steel bar truss 1 is placed on the first steel bar layer in a direction perpendicular to the direction of the first longitudinal steel bar 2, then the first longitudinal steel bar 2 and the buckling steel bar truss 1 are connected together, preferably in a welding mode,
3) laying second longitudinal steel bars 4 on the bayonet steel bar truss 1, placing the second longitudinal steel bars 4 and the first longitudinal steel bars 2 in a one-to-one correspondence manner, then connecting the second longitudinal steel bars 4 and the bayonet steel bar truss 1 together, preferably in a welding manner, and forming a second steel bar layer; the first reinforcing steel bar layer, the bayonet steel bar truss 1 and the second reinforcing steel bar layer form a space net rack with a criss-cross supporting structure;
4) the first steel mesh 1 is arranged on the side surface of the buckle steel bar truss 3, and is matched and buckled with the rib reinforcing rib 11 on the first steel mesh 1 by utilizing the buckle groove 321 in the buckle steel bar truss 1; when the steel bar truss is used as a floor slab, the first steel net 1 only needs to be installed on one side of the buckling steel bar truss 3, but when the steel bar truss is used as a wall slab, the second steel net 10 also needs to be installed on the other side of the buckling steel bar truss 3;
5) pouring a filler on the surface of the first steel mesh 1 to form a first filler layer 5, so as to form an assembly body; the filling material comprises one or more of concrete, cement mortar, gypsum mortar or dry-mixed mortar;
6) erecting a support frame 9 in a building, and hoisting the assembly body to the support frame 9;
7) a filling box 7 is arranged in each cavity 6 formed by the space net rack; the filling box 7 can also be placed before the assembly body is hoisted;
8) and pouring a second filler layer 8, filling the gap space between the cavity 6 and the filling box 7 and forming an upper supporting plate structure above the filling box 7.
The embodiment also provides another construction method of the steel truss empty nest core plate, which comprises the following steps:
1) laying first longitudinal steel bars 2 in parallel according to a designed interval to form a first steel bar layer;
2) the buckling steel bar truss 1 is placed on the first steel bar layer in a direction perpendicular to the direction of the first longitudinal steel bar 2, then the first longitudinal steel bar 2 and the buckling steel bar truss 1 are connected together, preferably in a welding mode,
3) laying second longitudinal steel bars 4 on the bayonet steel bar truss 1, placing the second longitudinal steel bars 4 and the first longitudinal steel bars 2 in a one-to-one correspondence manner, then connecting the second longitudinal steel bars 4 and the bayonet steel bar truss 1 together, preferably in a welding manner, and forming a second steel bar layer; the first reinforcing steel bar layer, the bayonet steel bar truss 1 and the second reinforcing steel bar layer form a space net rack with a criss-cross supporting structure;
4) installing a first steel mesh 1 on the side surface of the buckle steel bar truss, wherein a plurality of rib reinforcing ribs are arranged on the first steel mesh in parallel; the buckle groove in the buckle steel bar truss is buckled and matched with the rib reinforcing rib on the first steel mesh; when the steel bar truss is used as a floor slab, the first steel net 1 only needs to be installed on one side of the buckling steel bar truss 3, but when the steel bar truss is used as a wall slab, the second steel net 10 also needs to be installed on the other side of the buckling steel bar truss 3;
5) pouring a filler on the surface of the first steel mesh 1 to form a first filler layer; the filling material comprises one or more of concrete, cement mortar, gypsum mortar or dry-mixed mortar;
6) placing a filling box 7 in each cavity 6 formed by the space net frame on the first filler layer;
7) pouring filling materials to fill the gap space between the cavity 6 and the filling box 7, forming an upper supporting plate structure above the filling box 7 to form a second filling layer, and integrally forming a preset assembly type plate;
8) and erecting a support frame 9 in the building, and hoisting the preset assembled plate to the support frame 9.
The steel mesh truss hollow nest core plate 100 and the construction method belong to a preset assembly type hollow floor plate, a formwork is not required at the bottom of the floor plate, investment and waste of a formwork are reduced, and the requirement of a green energy-saving building is met; the space net rack and the first packing layer can be directly manufactured on site in advance, the manufactured assembly device is directly hoisted to the support frame in an integral hoisting mode, the second packing layer is poured after the filling box is placed in the cavity in the assembly body, the construction period can be greatly shortened, and the construction efficiency is improved; the floor slab of the scheme has light volume weight, simple manufacture, large span, high bearing capacity, strong shock resistance, a template is not required to be supported at the bottom of the net cage, the prefabricated bottom plate contains reinforcing steel bars, the bonding property of the reinforcing steel bars and cast-in-place concrete is good, the tensile property of the lower flange plate is enhanced according to the requirement of reinforcing steel bar tensile anchoring, the uniform thickness of the lower flange plate of the floor slab is ensured, the hanging force is strong, the bonding property of the top surface and the side surface of the filling box and the cast-in-place concrete is good, the integrity of the filling box and the floor slab is ensured, the use requirements of the formed floor slab structure stress, decoration and the like are enhanced, and the comprehensive cost of hanging the assembled floor slab can be reduced.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a steel mesh truss empty nest core plate which characterized in that: the steel wire mesh comprises a first steel mesh, a first longitudinal steel bar, a buckle steel bar truss, a second longitudinal steel bar, a first packing layer and a second packing layer; the surface of the first steel mesh is provided with a plurality of rib reinforcing ribs which are distributed in parallel at intervals; the buckle steel bar trusses are distributed in parallel at intervals, and a plurality of first longitudinal steel bars and second longitudinal steel bars are vertically arranged on two sides of the buckle steel bar trusses to form a space net rack with a crisscross structure; a plurality of buckling grooves are formed in one side of the buckling steel bar truss, and the first steel mesh is assembled on one side of the space net rack in a buckling fit mode through the rib reinforcing ribs and the buckling grooves; a plurality of cavities which are arranged in a longitudinal and transverse mode are formed in the space net rack, and filling boxes are arranged in the cavities; the first filler layer covers the first steel mesh and covers the first steel mesh; the second filler layer is positioned at the other side of the space net rack.
2. The steel truss empty nest core plate of claim 1, wherein: and filling materials are filled in a gap space between the cavity and the filling box, and the filling materials are one or a combination of more of concrete, cement mortar, gypsum mortar and dry-mixed mortar.
3. The steel truss empty nest core plate of claim 1, wherein: the first packing layer and the second packing layer are one or a combination of concrete, cement mortar, gypsum mortar and dry-mixed mortar.
4. The steel truss empty nest core plate of claim 1, wherein: the space net rack is characterized by further comprising a second steel mesh, the second steel mesh and the first steel mesh are respectively located on two sides of the space net rack, and the second filler layer covers the second steel mesh and covers the second steel mesh.
5. The steel truss empty nest core plate of claim 1, wherein: the buckle steel bar truss is connected with the first longitudinal steel bar and the second longitudinal steel bar through binding, welding, screwing, riveting or utilizing a connecting piece.
6. The steel truss empty nest core plate of claim 1, wherein: the buckle steel bar truss comprises two transverse steel bars which are distributed in parallel and a plurality of buckle connecting pieces which are used for connecting the two transverse steel bars, and the buckle connecting pieces are arranged in parallel at intervals.
7. The steel truss empty nest core plate of claim 6, wherein: the buckle connecting piece is of a plate structure, the buckle grooves are formed in the two ends of the buckle connecting piece, and the buckle grooves protrude out of the transverse reinforcing steel bar body and are connected with the first steel mesh and the bead reinforcing ribs on the second steel mesh in a buckling mode.
8. The steel truss empty nest core plate of claim 6, wherein: the buckle connecting pieces are arranged in one-to-one correspondence with the rib reinforcing ribs.
CN202121398094.4U 2021-06-23 2021-06-23 Hollow nest core plate of steel mesh truss Active CN216239245U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121398094.4U CN216239245U (en) 2021-06-23 2021-06-23 Hollow nest core plate of steel mesh truss

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121398094.4U CN216239245U (en) 2021-06-23 2021-06-23 Hollow nest core plate of steel mesh truss

Publications (1)

Publication Number Publication Date
CN216239245U true CN216239245U (en) 2022-04-08

Family

ID=80938889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121398094.4U Active CN216239245U (en) 2021-06-23 2021-06-23 Hollow nest core plate of steel mesh truss

Country Status (1)

Country Link
CN (1) CN216239245U (en)

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