CN113006355B - Truss reinforced concrete laminated slab with cavity structure and preparation method thereof - Google Patents
Truss reinforced concrete laminated slab with cavity structure and preparation method thereof Download PDFInfo
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- CN113006355B CN113006355B CN202110262780.7A CN202110262780A CN113006355B CN 113006355 B CN113006355 B CN 113006355B CN 202110262780 A CN202110262780 A CN 202110262780A CN 113006355 B CN113006355 B CN 113006355B
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- prefabricated
- slab
- heat insulation
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- floor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
Abstract
The invention relates to a truss reinforced concrete composite slab with a cavity structure, wherein a gap between floors is arranged between a truss reinforced concrete prefabricated slab and a prefabricated heat insulation board, one side of the truss reinforced concrete prefabricated slab, which is far away from the prefabricated heat insulation board, is provided with a composite floor cast-in-place layer, a prefabricated concrete floor connecting piece is connected between the truss reinforced concrete prefabricated slab and the prefabricated heat insulation board, two ends of the prefabricated concrete floor connecting piece respectively extend into the prefabricated heat insulation board and the composite floor cast-in-place layer, the periphery of the prefabricated concrete floor connecting piece is sleeved with a plastic pipe, the plastic pipe is arranged between the composite floor cast-in-place layer and the prefabricated heat insulation board, the periphery of the prefabricated concrete floor connecting piece is sleeved with a rubber ring gasket, and the rubber ring gasket is positioned in the composite floor cast-in-place layer and the prefabricated heat insulation board. The invention also provides a preparation method of the truss reinforced concrete composite slab with the cavity structure. The hollow cavity is formed between the truss steel bar prefabricated plate and the prefabricated heat insulation plate, so that the requirements of energy conservation and sound insulation are met.
Description
Technical Field
The invention relates to the technical field of building devices, in particular to a truss reinforced concrete composite slab with a cavity structure and a preparation method thereof.
Background
The laminated slab is an important structural component in the fabricated building, and the heat preservation performance of the base plate of the common full-prefabricated floor slab and the steel bar truss laminated slab is poor along with the development of the fabricated building. The cast-in-place hollow floor slab is a novel floor slab, has the characteristics of light weight, space saving and the like, and is widely applied, but the cast-in-place cavity floor slab has poor stability when in use, so that the stability of a hole reserved in the middle is poor, the stability of the integral laminated slab is reduced, and the requirement in practical use cannot be met, so that the development of the truss reinforced concrete laminated slab with the cavity structure is urgently needed to solve the problem in the prior art.
Disclosure of Invention
The invention aims to provide a truss reinforced concrete composite slab with a cavity structure and a preparation method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a truss reinforced concrete superimposed sheet with cavity structure, includes parallel arrangement's truss reinforcing bar prefabricated plate and prefabricated heat insulating board, be equipped with the space between the floor between truss reinforcing bar prefabricated plate and the prefabricated heat insulating board, the one side that the prefabricated heat insulating board was kept away from to truss reinforcing bar prefabricated plate is equipped with the cast-in-place layer of coincide floor, be connected with prefabricated concrete floor connecting piece between truss reinforcing bar prefabricated plate and the prefabricated heat insulating board, the both ends of prefabricated concrete floor connecting piece extend to respectively in prefabricated heat insulating board and the cast-in-place layer of coincide floor in situ, the plastic tubing has been cup jointed to the periphery of prefabricated concrete floor connecting piece, the plastic tubing is laid between the cast-in-place layer of coincide floor and prefabricated heat insulating board, the rubber ring packing ring has been cup jointed to the periphery of prefabricated concrete floor connecting piece, the rubber ring packing ring all is located cast-in-place layer of coincide floor and prefabricated heat insulating board.
Preferably, be equipped with spacing chamber in the plastic tubing, spacing intracavity bottom is equipped with the first piston of a plurality of, one side that first piston is close to prefabricated concrete floor connecting piece is equipped with the piston axle, the one end that first piston was kept away from to the piston axle is equipped with the second piston, one side that the second piston is close to prefabricated concrete floor connecting piece is equipped with the limiting plate, the limiting plate supports with prefabricated concrete floor connecting piece and leans on the setting.
Preferably, a spring is arranged between the first piston and the second piston and sleeved on the periphery of the piston shaft.
Preferably, one side of the limiting plate close to the precast concrete floor slab connecting piece is provided with an anti-slip plate which abuts against the precast concrete floor slab connecting piece.
Preferably, one side of the plastic pipe close to the composite floor slab cast-in-place layer and one side of the plastic pipe close to the prefabricated heat insulation board are both provided with a positioning lug, and the positioning lugs are respectively positioned in the composite floor slab cast-in-place layer and the prefabricated heat insulation board.
Preferably, the periphery of the positioning lug is sleeved with buffer filling.
Preferably, a second limit groove is formed in the composite floor cast-in-place layer, a first buffer rubber sleeve is sleeved on the periphery of one end of the prefabricated concrete floor connecting piece and located in the composite floor cast-in-place layer, and the first buffer rubber sleeve is located in the second limit groove.
Preferably, a first limit groove is formed in the composite floor cast-in-place layer, and a first buffer filler is arranged at one end of the prefabricated concrete floor connecting piece in the first limit groove.
Preferably, a third limiting groove is formed in the prefabricated heat insulation plate, a second buffer rubber sleeve is arranged at one end of the prefabricated concrete floor connecting piece in the third limiting groove, the second buffer rubber sleeve is sleeved on the periphery of the prefabricated concrete floor connecting piece, a fourth limiting groove is formed in the second buffer rubber sleeve, and a second buffer filler is filled in the fourth limiting groove at one end of the prefabricated concrete floor connecting piece.
The invention also provides a preparation method of the truss reinforced concrete composite slab with the cavity structure, which comprises the following steps:
s1, designing the shapes and the sizes of a truss reinforced prefabricated slab, a laminated floor cast-in-place layer and a prefabricated heat insulation board according to actual construction requirements, and enabling a prefabricated concrete floor connecting piece to penetrate through a pouring box for pouring the truss reinforced prefabricated slab, the laminated floor cast-in-place layer and the prefabricated heat insulation board, wherein a reserved gap between a box body for pouring the truss reinforced prefabricated slab and the box body for pouring the prefabricated heat insulation board is m1, m1 is more than or equal to 25mm and less than or equal to 30mm, the distance between prefabricated concrete floor connecting pieces is set to be m2, and m2 is more than or equal to 800mm and less than or equal to 1200mm;
s2, preparing concrete: preparing concrete for pouring for later use;
s3, pouring: and (3) pouring concrete in the S2 into a pouring box for pouring the truss reinforced concrete precast slab, the laminated floor cast-in-place layer and the prefabricated heat insulation plate, and removing the box body after the concrete is solidified to obtain the truss reinforced concrete laminated slab with the cavity structure.
Compared with the prior art, the invention has the beneficial effects that:
1. the cavity is formed between the truss reinforced concrete prefabricated slab and the prefabricated heat insulation plate, the energy-saving and sound-insulation requirements are met, then the truss reinforced concrete composite slab and the prefabricated heat insulation plate are fixed through the prefabricated concrete floor connecting piece, a truss reinforced concrete composite slab with a stable cavity structure is obtained after the fixing, the plastic pipe is sleeved on the periphery of the prefabricated concrete floor connecting piece, and meanwhile, the rubber ring gasket is sleeved on the periphery of the prefabricated concrete floor connecting piece, so that the buffering stability of the truss reinforced concrete composite slab can be improved, and the stability in use is guaranteed.
2. Through establishing spacing chamber in the plastic tubing, spacing intracavity bottom is equipped with a plurality of first piston, piston shaft and second piston, and the piston shaft is flexible between first piston and second piston, so effectively improved the shock-absorbing capacity, guaranteed the support shock-absorbing capacity between truss reinforcing bar prefabricated plate and the prefabricated heat insulating board.
3. The spring is arranged between the first piston and the second piston and sleeved on the periphery of the piston shaft, so that the supporting and buffering performance between the truss steel bar precast slab and the precast heat insulation plate can be effectively improved by utilizing the elastic restoring force of the spring.
4. Establish through the one side that is close to precast concrete floor slab connecting piece at the limiting plate and lean on the antiskid ribbed tile on precast concrete floor slab connecting piece, so can increase the frictional force with precast concrete floor slab connecting piece, can realize spacing to precast concrete floor slab connecting piece, stability when improving precast concrete floor slab connecting piece and using.
5. Through all setting for the lug in one side that the plastic tubing is close to the cast-in-place layer of coincide floor and one side that is close to the prefabricated heat insulating board, the lug of location is located coincide floor cast-in-place layer and prefabricated heat insulating board respectively, so can effectively improve the fixed stability when the plastic tubing sets up.
6. The periphery of the positioning lug is sleeved with the buffering filler, so that the buffering of the positioning lug can be effectively improved, and the stability of the truss reinforced concrete composite slab in use is improved.
7. Through establishing the second spacing groove in the cast-in-place layer of coincide floor, the periphery of precast concrete floor slab connecting piece one end just is located the cast-in-place layer of coincide floor and cup joints first cushion rubber cover, and first cushion rubber cover is located the second spacing inslot, so can effectively improve the stability when truss reinforced concrete superimposed sheet uses.
8. One end of the prefabricated concrete floor slab connecting piece with the first limiting groove is arranged in the cast-in-place layer of the composite floor slab, and the first buffering filler is arranged in the first limiting groove, so that the stability of the truss reinforced concrete composite slab in use can be effectively improved.
9. The third limiting groove is formed in the prefabricated heat insulation plate, the second buffer rubber sleeve is arranged in the third limiting groove at one end of the prefabricated concrete floor connecting piece, the second buffer rubber sleeve is connected to the periphery of the prefabricated concrete floor connecting piece in a sleeved mode, the fourth limiting groove is formed in the second buffer rubber sleeve, and the second buffer filler is filled in the fourth limiting groove at one end of the prefabricated concrete floor connecting piece, so that the stability of the truss reinforced concrete laminated slab in use can be effectively improved.
Drawings
Fig. 1 is a sectional view of a truss reinforced concrete composite slab having a cavity structure according to the present invention;
FIG. 2 is a schematic structural view of a reinforced concrete composite slab with a truss having a cavity structure according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
fig. 5 is a partially enlarged schematic view of C in fig. 1.
In the figure: 1. prefabricating a heat insulation plate; 2. truss steel bar precast slabs; 3. prefabricating concrete floor slab connectors; 4. a laminated floor slab cast-in-place layer; 5. an inter-floor space; 6. a plastic tube; 7. positioning the bump; 8. buffer filling; 9. a rubber ring gasket; 10. a limiting cavity; 11. a first piston; 12. a piston shaft; 13. a spring; 14. a limiting plate; 15. an anti-skid plate; 16. a first cushion rubber sleeve; 17. a second limit groove; 18. a first cushioning filler; 19. a first limit groove; 20. a third limiting groove; 21. a fourth limit groove; 22. a second buffer filler; 23. a second piston; 24. and a second cushion rubber sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the invention, the truss reinforced concrete composite slab with a cavity structure comprises a truss reinforced prefabricated slab 2 and a prefabricated heat insulation board 1 which are arranged in parallel, an inter-floor gap 5 is arranged between the truss reinforced prefabricated slab 2 and the prefabricated heat insulation board 1, a composite floor cast-in-place layer 4 is arranged on one side of the truss reinforced prefabricated slab 2 away from the prefabricated heat insulation board 1, a prefabricated concrete floor connecting piece 3 is connected between the truss reinforced prefabricated slab 2 and the prefabricated heat insulation board 1, two ends of the prefabricated concrete floor connecting piece 3 respectively extend into the prefabricated heat insulation board 1 and the composite floor cast-in-place layer 4, a plastic pipe 6 is sleeved on the periphery of the prefabricated concrete floor connecting piece 3, the plastic pipe 6 is arranged between the composite floor cast-in-place layer 4 and the prefabricated heat insulation board 1, a rubber ring gasket 9 is sleeved on the periphery of the prefabricated concrete floor connecting piece 3, and the rubber ring gasket 9 is positioned in the composite floor cast-in-place layer 4 and the prefabricated heat insulation board 1. The cavity is formed between the truss reinforced concrete prefabricated slab 2 and the prefabricated heat insulation plate 1, then the truss reinforced concrete prefabricated slab 2 and the prefabricated heat insulation plate 1 are fixed through the prefabricated concrete floor slab connecting piece 3, the truss reinforced concrete composite slab with a stable cavity structure is obtained after the fixing, the plastic pipe 6 is sleeved on the periphery of the prefabricated concrete floor slab connecting piece 3, and the rubber ring gasket 9 is sleeved on the periphery of the prefabricated concrete floor slab connecting piece 3.
In this embodiment, be equipped with spacing chamber 10 in the plastic tubing 6, the bottom is equipped with the first piston 11 of a plurality of in the spacing chamber 10, one side that first piston 11 is close to prefabricated concrete floor connecting piece 3 is equipped with piston shaft 12, the one end that first piston 11 was kept away from to piston shaft 12 is equipped with second piston 23, one side that second piston 23 is close to prefabricated concrete floor connecting piece 3 is equipped with limiting plate 14, limiting plate 14 supports with prefabricated concrete floor connecting piece 3 and leans on the setting. Through establishing spacing chamber 10 in plastic tubing 6, the bottom is equipped with a plurality of first piston 11, piston shaft 12 and second piston 23 in spacing chamber 10, and piston shaft 12 is flexible between first piston 11 and second piston 23, so effectively improved the shock-absorbing capacity, guaranteed the support shock-absorbing capacity between truss reinforcing bar prefabricated plate 2 and the prefabricated heat insulating board 1.
In this embodiment, a spring 13 is disposed between the first piston 11 and the second piston 23, and the spring 13 is sleeved on the outer periphery of the piston shaft 12. Through setting up spring 13 between first piston 11 and second piston 23, spring 13 cup joints the periphery at piston shaft 12, so utilize the elastic restoring force of spring 13, can effectively improve the support shock-absorbing capacity between truss steel reinforcement precast slab 2 and the prefabricated heat insulating board 1.
In this embodiment, the side of the limiting plate 14 close to the precast concrete floor slab connecting element 3 is provided with an anti-slip plate 15 abutting against the precast concrete floor slab connecting element 3. One side of the limiting plate 14 close to the prefabricated concrete floor connecting piece 3 is provided with an anti-slip plate 15 which abuts against the prefabricated concrete floor connecting piece 3, so that the friction force between the anti-slip plate and the prefabricated concrete floor connecting piece can be increased, the limiting of the prefabricated concrete floor connecting piece 3 can be realized, and the stability of the prefabricated concrete floor connecting piece 3 in use is improved.
In this embodiment, one side of the plastic pipe 6 close to the composite floor cast-in-place layer 4 and one side close to the prefabricated heat insulation board 1 are both provided with a positioning bump 7, and the positioning bumps 7 are respectively located in the composite floor cast-in-place layer 4 and the prefabricated heat insulation board 1. Through all setting for the lug 7 in the one side that plastic tubing 6 is close to coincide floor cast-in-place layer 4 and the one side that is close to prefabricated heat insulating board 1, location lug 7 is located coincide floor cast-in-place layer 4 and prefabricated heat insulating board 1 respectively, fixed stability when so can effectively having improved plastic tubing 6 and setting up.
In this embodiment, the positioning bump 7 is sleeved with a buffer filler 8 at its outer periphery. Through cup jointing buffering 8 of filling in the periphery at location lug 7, so can effectively improve the buffering to location lug 7, stability when improving truss reinforced concrete superimposed sheet and using.
In this embodiment, a second limit groove 17 is arranged in the composite floor cast-in-place layer 4, a first buffer rubber sleeve 16 is sleeved in the periphery of one end of the prefabricated concrete floor connecting piece 3 and located in the composite floor cast-in-place layer 4, and the first buffer rubber sleeve 16 is located in the second limit groove 17. Through establishing second spacing groove 17 in laminated floor slab cast-in-place layer 4, the periphery of 3 one ends of prefabricated concrete floor slab connecting piece just is located laminated floor slab cast-in-place layer 4 and cup joints first cushion rubber cover 16, and first cushion rubber cover 16 is located second spacing groove 17, so can effectively improve the stability when truss reinforced concrete laminated slab uses.
In this embodiment, a first limiting groove 19 is provided in the composite floor cast-in-place layer 4, and a first buffer filler 18 is provided in the first limiting groove 19 at one end of the prefabricated concrete floor connecting member 3. One end of the prefabricated concrete floor connecting piece 3 with the first limiting groove 19 arranged in the laminated floor cast-in-place layer 4 is provided with the first buffer filler 18 in the first limiting groove 19, so that the stability of the truss reinforced concrete laminated slab in use can be effectively improved.
In this embodiment, a third limiting groove 20 is arranged in the prefabricated heat insulation board 1, a second buffer rubber sleeve 24 is arranged in the third limiting groove 20 at one end of the prefabricated concrete floor slab connecting piece 3, the second buffer rubber sleeve 24 is sleeved on the periphery of the prefabricated concrete floor slab connecting piece 3, a fourth limiting groove 21 is arranged in the second buffer rubber sleeve 24, and a second buffer filler 22 is filled in the fourth limiting groove 21 at one end of the prefabricated concrete floor slab connecting piece 3. The third limiting groove 20 is formed in the prefabricated heat insulation plate 1, the second buffer rubber sleeve 24 is arranged in the third limiting groove 20 at one end of the prefabricated concrete floor connecting piece 3, the second buffer rubber sleeve 24 is connected to the periphery of the prefabricated concrete floor connecting piece 3 in a sleeved mode, the fourth limiting groove 21 is formed in the second buffer rubber sleeve 24, and the second buffer filler 22 is filled in the fourth limiting groove 21 at one end of the prefabricated concrete floor connecting piece 3, so that the stability of the truss reinforced concrete laminated slab in use can be effectively improved.
The invention also provides a preparation method of the truss reinforced concrete composite slab with the cavity structure, which comprises the following steps:
s1, designing the shapes and the sizes of a truss reinforced prefabricated slab 2, a laminated floor cast-in-place layer 4 and a prefabricated heat insulation board 1 according to actual construction requirements, penetrating a prefabricated concrete floor connecting piece 3 through a pouring box for pouring the truss reinforced prefabricated slab 2, the laminated floor cast-in-place layer 4 and the prefabricated heat insulation board 1, wherein a reserved gap between a box body for pouring the truss reinforced prefabricated slab 2 and a box body for pouring the prefabricated heat insulation board 1 is m1, m1 is more than or equal to 25mm and less than or equal to 30mm, the distance between the prefabricated concrete floor connecting pieces 3 is set to be m2, and m2 is more than or equal to 800mm and less than or equal to 1200mm; specifically, in this example, m1 is 30mm and m2 is 1000mm.
S2, preparing concrete: preparing concrete for pouring for later use;
s3, pouring: and pouring concrete in the S2 into a pouring box for pouring the truss reinforced concrete prefabricated slab 2, the laminated floor cast-in-place layer 4 and the prefabricated heat insulation board 1, and removing the box body after the concrete is solidified to obtain the truss reinforced concrete laminated slab with the cavity structure.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The truss reinforced concrete composite slab with the cavity structure is characterized by comprising a truss reinforced concrete prefabricated slab and a prefabricated heat insulation board which are arranged in parallel, wherein a gap between floors is arranged between the truss reinforced concrete prefabricated slab and the prefabricated heat insulation board, one side of the truss reinforced concrete prefabricated slab, which is far away from the prefabricated heat insulation board, is provided with a composite floor cast-in-place layer, a prefabricated concrete floor connecting piece is connected between the truss reinforced concrete prefabricated slab and the prefabricated heat insulation board, two ends of the prefabricated concrete floor connecting piece respectively extend into the prefabricated heat insulation board and the composite floor cast-in-place layer, a plastic pipe is sleeved on the periphery of the prefabricated concrete floor connecting piece, the plastic pipe is arranged between the composite floor cast-in-place layer and the prefabricated heat insulation board, and a rubber ring gasket is sleeved on the periphery of the prefabricated concrete floor connecting piece and is positioned in the composite floor cast-in-place layer and the prefabricated heat insulation board;
be equipped with spacing chamber in the plastic tubing, spacing intracavity bottom is equipped with the first piston of a plurality of, one side that first piston is close to prefabricated concrete floor connecting piece is equipped with the piston axle, the one end that first piston was kept away from to the piston axle is equipped with the second piston, one side that the second piston is close to prefabricated concrete floor connecting piece is equipped with the limiting plate, the limiting plate supports with prefabricated concrete floor connecting piece and leans on the setting, be equipped with the spring between first piston and the second piston, the periphery at the piston axle is cup jointed to the spring.
2. The truss reinforced concrete composite slab with the cavity structure as claimed in claim 1, wherein the limiting plate is provided with an anti-slip plate abutting on the precast concrete floor slab connecting member at a side thereof adjacent to the precast concrete floor slab connecting member.
3. The truss reinforced concrete composite slab with the cavity structure as claimed in claim 1, wherein the plastic pipe has positioning protrusions on both sides close to the cast-in-place layer of the composite floor slab and the prefabricated heat insulation panel, and the positioning protrusions are respectively located in the cast-in-place layer of the composite floor slab and the prefabricated heat insulation panel.
4. The truss reinforced concrete composite slab with the cavity structure as claimed in claim 3, wherein the positioning projections are sleeved with cushion fillers at the outer peripheries thereof.
5. The truss reinforced concrete composite slab with the cavity structure as claimed in claim 1, wherein a second limiting groove is formed in the composite floor cast-in-place layer, a first cushion rubber sleeve is sleeved on the periphery of one end of the precast concrete floor connecting member and located in the composite floor cast-in-place layer, and the first cushion rubber sleeve is located in the second limiting groove.
6. The truss reinforced concrete composite slab with the cavity structure as claimed in claim 5, wherein a first limiting groove is formed in the cast-in-situ layer of the composite floor slab, and a first buffer filler is disposed in the first limiting groove at one end of the prefabricated concrete floor slab connecting member.
7. The truss reinforced concrete composite slab with the cavity structure as claimed in claim 1, wherein a third limiting groove is formed in the prefabricated heat insulation board, a second cushion rubber sleeve is arranged at one end of the prefabricated concrete floor slab connecting piece in the third limiting groove, the second cushion rubber sleeve is sleeved on the periphery of the prefabricated concrete floor slab connecting piece, a fourth limiting groove is formed in the second cushion rubber sleeve, and a second cushion filler is filled at one end of the prefabricated concrete floor slab connecting piece in the fourth limiting groove.
8. A method for manufacturing a truss reinforced concrete composite slab having a cavity structure as claimed in any one of claims 1 to 7, comprising the steps of:
s1, designing the shapes and the sizes of a truss reinforced prefabricated slab, a laminated floor cast-in-place layer and a prefabricated heat insulation board according to actual construction requirements, and enabling a prefabricated concrete floor connecting piece to penetrate through a pouring box for pouring the truss reinforced prefabricated slab, the laminated floor cast-in-place layer and the prefabricated heat insulation board, wherein a reserved gap between a box body for pouring the truss reinforced prefabricated slab and the box body for pouring the prefabricated heat insulation board is m1, m1 is more than or equal to 25mm and less than or equal to 30mm, the distance between prefabricated concrete floor connecting pieces is set to be m2, and m2 is more than or equal to 800mm and less than or equal to 1200mm;
s2, preparing concrete: preparing concrete for pouring for later use;
s3, pouring: and (3) pouring concrete in the S2 into a pouring box for pouring the truss reinforced concrete precast slab, the laminated floor cast-in-place layer and the prefabricated heat insulation plate, and removing the box body after the concrete is solidified to obtain the truss reinforced concrete laminated slab with the cavity structure.
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| CN202110262780.7A CN113006355B (en) | 2021-03-10 | 2021-03-10 | Truss reinforced concrete laminated slab with cavity structure and preparation method thereof |
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| CN202110262780.7A CN113006355B (en) | 2021-03-10 | 2021-03-10 | Truss reinforced concrete laminated slab with cavity structure and preparation method thereof |
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| CN113006355B true CN113006355B (en) | 2022-11-18 |
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| CN204850193U (en) * | 2015-06-24 | 2015-12-09 | 江苏建筑职业技术学院 | Building sound insulation damping floats builds floor structures |
| CN206360172U (en) * | 2017-01-10 | 2017-07-28 | 湖南中大设计院有限公司 | A kind of assembled subtracts vermex concrete laminated floor slab |
| CN112177222A (en) * | 2020-11-05 | 2021-01-05 | 安徽省建筑设计研究总院股份有限公司 | Composite floor slab with heat insulation function and construction method of composite floor slab at abutted seam position |
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2021
- 2021-03-10 CN CN202110262780.7A patent/CN113006355B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB748104A (en) * | 1953-11-17 | 1956-04-18 | Pre Stressed Concrete Company | Improvements relating to building structures |
| CN1789642A (en) * | 2004-12-14 | 2006-06-21 | 李克翔 | Spliced concrete superposed member box and method for processing net girder building cover |
| CN204238395U (en) * | 2014-11-06 | 2015-04-01 | 安徽湖滨建设集团有限公司 | A kind of prefabricated pair of thin plate cassette ceiling structure |
| CN204850193U (en) * | 2015-06-24 | 2015-12-09 | 江苏建筑职业技术学院 | Building sound insulation damping floats builds floor structures |
| CN206360172U (en) * | 2017-01-10 | 2017-07-28 | 湖南中大设计院有限公司 | A kind of assembled subtracts vermex concrete laminated floor slab |
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| CN113006355A (en) | 2021-06-22 |
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