CN113719008A - Steel mesh truss hollow nest core plate and construction process - Google Patents

Steel mesh truss hollow nest core plate and construction process Download PDF

Info

Publication number
CN113719008A
CN113719008A CN202110696768.7A CN202110696768A CN113719008A CN 113719008 A CN113719008 A CN 113719008A CN 202110696768 A CN202110696768 A CN 202110696768A CN 113719008 A CN113719008 A CN 113719008A
Authority
CN
China
Prior art keywords
steel
steel bar
buckle
truss
longitudinal
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
CN202110696768.7A
Other languages
Chinese (zh)
Inventor
陈星岑
刘春�
陈跃军
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.)
Abo Building Material Kunshan Co ltd
Original Assignee
Abo Building Material Kunshan 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 Abo Building Material Kunshan Co ltd filed Critical Abo Building Material Kunshan Co ltd
Priority to CN202110696768.7A priority Critical patent/CN113719008A/en
Publication of CN113719008A publication Critical patent/CN113719008A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

Abstract

The invention discloses a steel mesh truss hollow nest core plate and a construction process, wherein the steel mesh truss hollow nest core plate comprises a steel mesh, a first longitudinal steel bar, a buckle steel bar truss, a second longitudinal steel bar and a packing layer; 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 invention 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

Steel mesh truss hollow nest core plate and construction process
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of buildings, and particularly relates to a steel mesh truss hollow nest core plate and a construction process.
[ background of the invention ]
In the building industry, in order to ensure the requirement of the floor on the compression and shear strength and to pursue the construction process of energy conservation, environmental protection and emission reduction gradually, along with the development of the technology, when a building bearing main body structure is manufactured, the reinforcing steel bar mesh cage supporting technology gradually becomes a novel structure construction process.
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 and a construction process to solve the above problems.
[ summary of the invention ]
One of the main purposes of the invention 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 invention 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.
The invention also provides a steel mesh truss hollow nest core plate construction process, which comprises the following steps:
1) laying first longitudinal steel bars in parallel according to a designed interval to form a first steel bar layer;
2) putting a buckle steel bar truss on the first steel bar layer in a direction perpendicular to the first longitudinal steel bar, and then connecting the first longitudinal steel bar and the buckle steel bar truss together; the lower end of the buckle steel bar truss extends out of the buckle steel bar truss and is provided with a plurality of buckle grooves;
3) laying second longitudinal steel bars on the bayonet steel bar trusses to form second steel bar layers, placing the second longitudinal steel bars and the first longitudinal steel bars in a one-to-one correspondence mode, and then connecting the second longitudinal steel bars and the buckle steel bar trusses together; the first reinforcing steel bar layer, the bayonet reinforcing steel bar truss and the second reinforcing steel bar layer form a space net rack with a criss-cross supporting structure, and a plurality of cavities which are distributed longitudinally and transversely are formed in the space net rack;
4) installing a steel mesh on the side surface of the buckle steel bar truss, wherein a plurality of rib reinforcing ribs are arranged on the steel mesh in parallel; the buckle groove in the buckle steel bar truss is buckled and matched with the rib reinforcing rib on the steel mesh;
5) pouring a filler on the surface of the steel mesh to form a first filler layer to form an assembly body;
6) erecting a support frame in a building, and hoisting the assembly body to the support frame;
7) placing a filling box in each of said cavities;
8) and pouring a filler material, filling the gap space between the cavity and the filling box, and forming an upper supporting plate structure above the filling box to form a second filler layer.
The invention also aims to provide another steel truss hollow nest core plate construction process, which comprises the following steps:
1) laying first longitudinal steel bars in parallel according to a designed interval to form a first steel bar layer;
2) putting a buckle steel bar truss on the first steel bar layer in a direction perpendicular to the first longitudinal steel bar, and then connecting the first longitudinal steel bar and the buckle steel bar truss together; the lower end of the buckle steel bar truss extends out of the buckle steel bar truss and is provided with a plurality of buckle grooves;
3) laying second longitudinal steel bars on the bayonet steel bar trusses to form second steel bar layers, placing the second longitudinal steel bars and the first longitudinal steel bars in a one-to-one correspondence mode, and then connecting the second longitudinal steel bars and the buckle steel bar trusses together; the first reinforcing steel bar layer, the bayonet reinforcing steel bar truss and the second reinforcing steel bar layer form a space net rack with a criss-cross supporting structure, and a plurality of cavities which are distributed longitudinally and transversely are formed in the space net rack;
4) installing a steel mesh on the side surface of the buckle steel bar truss, wherein a plurality of rib reinforcing ribs are arranged on the steel mesh in parallel; the buckle groove in the buckle steel bar truss is buckled and matched with the rib reinforcing rib on the steel mesh;
5) pouring a filler on the surface of the steel mesh to form a first filler layer;
6) placing a filling box in each cavity formed by the space net rack on the first filler layer;
7) pouring filling materials to fill the gap space between the cavity and the filling box, forming an upper supporting plate structure above the filling box to form a second filling material layer, and integrally forming a preset assembly type plate;
8) and erecting a support frame in the building, hoisting the preset fabricated plate in place, and fixing and supporting by using the support frame.
Compared with the prior art, the steel mesh truss hollow nest core plate and the construction process have 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 invention;
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 process 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 process of the steel truss hollow 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 process 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 invention.

Claims (10)

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.
9. A construction process of a steel mesh truss hollow nest core plate is characterized by comprising the following steps: which comprises the following steps:
1) laying first longitudinal steel bars in parallel according to a designed interval to form a first steel bar layer;
2) putting a buckle steel bar truss on the first steel bar layer in a direction perpendicular to the first longitudinal steel bar, and then connecting the first longitudinal steel bar and the buckle steel bar truss together; the lower end of the buckle steel bar truss extends out of the buckle steel bar truss and is provided with a plurality of buckle grooves;
3) laying second longitudinal steel bars on the bayonet steel bar trusses to form second steel bar layers, placing the second longitudinal steel bars and the first longitudinal steel bars in a one-to-one correspondence mode, and then connecting the second longitudinal steel bars and the buckle steel bar trusses together; the first reinforcing steel bar layer, the bayonet reinforcing steel bar truss and the second reinforcing steel bar layer form a space net rack with a criss-cross supporting structure, and a plurality of cavities which are distributed longitudinally and transversely are formed in the space net rack;
4) installing a steel mesh on the side surface of the buckle steel bar truss, wherein a plurality of rib reinforcing ribs are arranged on the steel mesh in parallel; the buckle groove in the buckle steel bar truss is buckled and matched with the rib reinforcing rib on the steel mesh;
5) pouring a filler on the surface of the steel mesh to form a first filler layer to form an assembly body;
6) erecting a support frame in a building, and hoisting the assembly body to the support frame;
7) placing a filling box in each of said cavities;
8) and pouring a filler material, filling the gap space between the cavity and the filling box, and forming an upper supporting plate structure above the filling box to form a second filler layer.
10. A construction process of a steel mesh truss hollow nest core plate is characterized by comprising the following steps: which comprises the following steps:
1) laying first longitudinal steel bars in parallel according to a designed interval to form a first steel bar layer;
2) putting a buckle steel bar truss on the first steel bar layer in a direction perpendicular to the first longitudinal steel bar, and then connecting the first longitudinal steel bar and the buckle steel bar truss together; the lower end of the buckle steel bar truss extends out of the buckle steel bar truss and is provided with a plurality of buckle grooves;
3) laying second longitudinal steel bars on the bayonet steel bar trusses to form second steel bar layers, placing the second longitudinal steel bars and the first longitudinal steel bars in a one-to-one correspondence mode, and then connecting the second longitudinal steel bars and the buckle steel bar trusses together; the first reinforcing steel bar layer, the bayonet reinforcing steel bar truss and the second reinforcing steel bar layer form a space net rack with a criss-cross supporting structure, and a plurality of cavities which are distributed longitudinally and transversely are formed in the space net rack;
4) installing a steel mesh on the side surface of the buckle steel bar truss, wherein a plurality of rib reinforcing ribs are arranged on the steel mesh in parallel; the buckle groove in the buckle steel bar truss is buckled and matched with the rib reinforcing rib on the steel mesh;
5) pouring a filler on the surface of the steel mesh to form a first filler layer;
6) placing a filling box in each cavity formed by the space net rack on the first filler layer;
7) pouring filling materials to fill the gap space between the cavity and the filling box, forming an upper supporting plate structure above the filling box to form a second filling material layer, and integrally forming a preset assembly type plate;
8) and erecting a support frame in the building, hoisting the preset fabricated plate in place, and fixing and supporting by using the support frame.
CN202110696768.7A 2021-06-23 2021-06-23 Steel mesh truss hollow nest core plate and construction process Pending CN113719008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110696768.7A CN113719008A (en) 2021-06-23 2021-06-23 Steel mesh truss hollow nest core plate and construction process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110696768.7A CN113719008A (en) 2021-06-23 2021-06-23 Steel mesh truss hollow nest core plate and construction process

Publications (1)

Publication Number Publication Date
CN113719008A true CN113719008A (en) 2021-11-30

Family

ID=78672918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110696768.7A Pending CN113719008A (en) 2021-06-23 2021-06-23 Steel mesh truss hollow nest core plate and construction process

Country Status (1)

Country Link
CN (1) CN113719008A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114211764A (en) * 2021-12-14 2022-03-22 沈阳智勤机器人系统工程有限公司 Automatic system suitable for air entrainment brick production line cylinder mould buckle installation
CN114482410A (en) * 2022-02-25 2022-05-13 阿博建材(昆山)有限公司 Method for manufacturing LP light prefabricated component body

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114211764A (en) * 2021-12-14 2022-03-22 沈阳智勤机器人系统工程有限公司 Automatic system suitable for air entrainment brick production line cylinder mould buckle installation
CN114211764B (en) * 2021-12-14 2024-03-29 沈阳智勤机器人系统工程有限公司 Automatic system suitable for installation of aerated brick production line net cage buckle
CN114482410A (en) * 2022-02-25 2022-05-13 阿博建材(昆山)有限公司 Method for manufacturing LP light prefabricated component body

Similar Documents

Publication Publication Date Title
CN113719008A (en) Steel mesh truss hollow nest core plate and construction process
CN112538915A (en) Precast concrete wallboard and manufacturing method thereof
CN216239245U (en) Hollow nest core plate of steel mesh truss
CN112282164B (en) Light composite floor slab structure and construction method thereof
CN215406744U (en) Prefabricated assembled light infilled wall
CN111851804A (en) Assembly type formwork-dismantling-free structural body formwork and cast-in-place formwork-dismantling-free structural body
CN2736448Y (en) Combined type external wall panel
CN215406707U (en) Adopt local cast-in-place combination formula precast concrete wall body of connecting
CN215406745U (en) Combined precast concrete wall connected by sleeve grouting
CN110130552B (en) Board and frame integrated floor panel structure and production method thereof
CN214739130U (en) Assembled coincide box with a net structure
CN101144307B (en) Cavity form component
CN100354487C (en) Hollow form structural parts
CN100564749C (en) A kind of cavity former component
CN112761294A (en) Cavity floor based on assembled superposed net cages and construction method
CN101004053B (en) A hollow shuttering component
CN101220637B (en) Cast-in-situ concrete hollow slab
CN101158233B (en) Cavity mould component
CN116378287A (en) Design and construction method of assembled floor system applied to concrete structure
CN101158200B (en) Cavity mould component
CN100365226C (en) Mould component
CN101220635B (en) Cast-in-situ concrete hollow slab
CN101220633B (en) Cast-in-situ concrete hollow slab
CN100348808C (en) Cavity member for hollow slab
CN100535344C (en) Cavity formwork member

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination