CN109680852B - Composite floor slab and construction method and splicing method thereof - Google Patents
Composite floor slab and construction method and splicing method thereof Download PDFInfo
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- CN109680852B CN109680852B CN201910045889.8A CN201910045889A CN109680852B CN 109680852 B CN109680852 B CN 109680852B CN 201910045889 A CN201910045889 A CN 201910045889A CN 109680852 B CN109680852 B CN 109680852B
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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
- E04B5/17—Floor structures partly formed in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Civil Engineering (AREA)
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- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Floor Finish (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to the technical field of prefabricated floors and discloses a composite floor as well as a construction method and a splicing method thereof. Set up the through-hole on prefabricated connecting portion, will pour the muscle net again and wear to establish in the through-hole, let pour the muscle net can with the prefabricated plate between the joint strength increase, in addition, the through-hole setting is in prefabricated muscle net, let to pour and have alternately between muscle net and the prefabricated muscle net, improved the joint strength who pours board and prefabricated plate. In addition, the through holes are formed in the mode that the adjacent laminated plates are connected in the splicing process, so that the laminated plates are convenient to splice.
Description
Technical Field
The invention relates to the technical field of prefabricated floor slabs, in particular to a composite floor slab and a construction method and a splicing method thereof.
Background
The laminated floor slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers. The composite floor slab has good integrity, the upper and lower surfaces of the slab are smooth, the decoration of a finish coat is convenient, and the composite floor slab is suitable for high-rise buildings and large-bay buildings with higher requirement on the integral rigidity.
At present, during construction, a prefabricated slab is generally formed firstly, then is conveyed to a required position, and is poured after being placed, so that a complete floor slab is formed. In the process of pouring, in order to improve the structural strength of a pouring part, a rib net is generally added, but the connection between a pouring layer formed by pouring the added rib net and a prefabricated part is only connected by cement, so that the connection strength of the poured layer structure and the prefabricated part is lower, and the improvement is needed in order to improve the overall structural strength of a floor slab.
Disclosure of Invention
Aiming at the defects in the prior art, the first purpose of the invention is to provide the composite floor slab, which can be provided with the pouring rib net in a penetrating way through the arrangement of the through holes, so that the connection strength between the precast slabs and the pouring slab is improved, and the overall structural strength of the composite floor slab is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a coincide floor, includes the prefabricated plate and pours the board, the prefabricated plate includes bottom plate, prefabricated connecting portion and arranges the prefabricated muscle net between bottom plate and the prefabricated connecting portion respectively in, it includes the top plate, pours connecting portion and pours the muscle net to pour the board, pour muscle net and prefabricated muscle net part overlap setting, and overlap the position and arrange prefabricated connecting portion in and pour between the connecting portion, be provided with a plurality of recesses that are used for forming to pour connecting portion on the prefabricated connecting portion, and be provided with a plurality of through-holes on the prefabricated connecting portion, in the prefabricated muscle net is arranged in to the through-hole, and pour the muscle net and wear to establish in the through.
Through above-mentioned technical scheme, set up the through-hole on prefabricated connecting portion, will pour the muscle net again and wear to establish in the through-hole to let pour the muscle net can and the prefabricated plate between the joint strength increase, in addition, the through-hole setting is in prefabricated muscle net, thereby there is alternately between pouring muscle net and the prefabricated muscle net, has improved the joint strength who pours board and prefabricated plate. In addition, the through holes are formed in the mode that the adjacent laminated plates are connected during splicing, so that the laminated plates are convenient to splice, and the spliced structural strength is high.
The invention is further configured to: the pouring rib net comprises a pouring connecting ring and pouring straight ribs, the pouring connecting ring is arranged in the groove, the pouring straight ribs penetrate through the through holes, and the pouring connecting ring is sleeved on the pouring straight ribs.
Through above-mentioned technical scheme, pour straight muscle and can let pour the go-between and prefabricate the go-between and connect, and then can let the joint strength who pours between board and the prefabricated plate improve.
The invention is further configured to: and the pouring connecting ring is arranged between the pouring connecting part and the top plate.
Through the technical scheme, the pouring connecting ring is arranged between the pouring connecting part and the top plate.
The invention is further configured to: and pouring reinforcing ribs are tied up on the pouring connecting rings and are arranged in the top plate.
Through above-mentioned technical scheme, tie up on the pouring go-between and pour the reinforcement muscle, can let the structural strength who pours the board increase.
The invention is further configured to: the prefabricated rib net comprises prefabricated ribs and prefabricated connecting rings sleeved on the prefabricated ribs, and the through holes are arranged in the prefabricated connecting rings.
Through the technical scheme, the prefabricated ribs have certain structural strength, and the prefabricated connecting rings can balance the structural strength of the whole prefabricated rib net and can be connected into a net.
The invention is further configured to: and an embedded part with a formed through hole is arranged in the through hole, and the embedded part is fixedly connected with the prefabricated connecting ring.
Through the technical scheme, the through holes can be conveniently formed by the aid of the embedded parts.
A second object of the present invention is to provide a construction method by which a composite floor slab having a high strength of a connection structure can be formed.
The construction method of the laminated floor slab comprises the following steps:
s1, manufacturing a prefabricated plate;
s2, mounting a precast slab;
s3, placing a casting rib net;
and S4, forming a pouring plate.
Through above-mentioned technical scheme, the preparation of prefabricated plate is carried out earlier, then installs, pours at last, makes its overall structure more level and smooth to during the construction, hoist and mount more conveniently.
The invention is further configured to: in the step S3, the connecting ring is first placed on the precast slab, and then the straight ribs are inserted and cast.
Through above-mentioned technical scheme, put earlier and pour the go-between, then pour straight muscle in the interlude, can let and pour the go-between and can fix to be connected with prefabricated go-between and pour straight muscle, improve the structural strength of whole coincide floor.
The invention is further configured to: in the step S3, the pouring connecting ring and the pouring reinforcing rib are bundled, and then the bundled pouring connecting ring and the bundled pouring reinforcing rib are put on the precast slab, and finally the pouring straight rib is penetrated.
According to the technical scheme, the pouring connecting ring and the pouring reinforcing ribs are bundled up, so that the pouring connecting ring is stable in installation.
The third purpose of the invention is to provide a splicing method, by which the splicing of the composite floor slabs is convenient and the splicing structural strength is high.
The splicing method of the composite floor slabs is characterized by comprising the following steps: c1, placing the first precast slab; c2, placing the second precast slabs side by side at the moment, wherein the through holes on the second precast slabs correspond to the through holes on the first precast slabs; c3, inserting connecting ribs between the through holes of the first precast slab and the through holes of the second precast slab; c4, placing a casting rib net; and C5, pouring to form a pouring plate.
Through above-mentioned technical scheme, the through-hole is corresponding, alternates the splice bar again, lets connect more firmly between two prefabricated plates, connects more conveniently.
In conclusion, the invention has the following beneficial effects:
(1) the through holes are formed in the prefabricated rib net, the connection strength between the pouring rib net and the prefabricated plate can be increased, so that the pouring rib net and the prefabricated rib net are crossed, and the connection strength between the pouring plate and the prefabricated plate is improved;
(2) the adjacent laminated slabs can be connected when being spliced through the arrangement of the through holes, so that the laminated slabs are convenient to splice, and the spliced structural strength is high;
(3) the pouring reinforcing ribs are tied up on the pouring connecting rings, so that the structural strength of the pouring plate can be increased, and the pouring connecting rings are stable in installation.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a diagram showing a structure of a precast slab;
fig. 3 is a schematic view showing a structure between a prefabricated net of tendons and a poured net of tendons;
FIG. 4 is a structural diagram of a poured reinforcement bar added to a poured reinforcement mesh;
fig. 5 is a sectional view of a spliced structure of a floor slab.
Reference numerals: 1. prefabricating a slab; 2. a bottom layer plate; 3. prefabricating a connecting part; 31. a groove; 32. a through hole; 4. prefabricating a rib net; 41. prefabricating ribs; 42. prefabricating a connecting ring; 43. embedding parts; 5. pouring a plate; 6. a top layer plate; 7. pouring the connecting part; 8. pouring a rib net; 81. pouring straight ribs; 82. pouring a connecting ring; 83. pouring reinforcing ribs; 9. and connecting ribs.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1: a laminated floor slab is mainly used for construction of a spliced building and comprises prefabricated slabs 1 and pouring slabs 5 as shown in figure 1, wherein the prefabricated slabs 1 are firstly produced and processed in a factory and then transported to a construction site for construction, and after the prefabricated slabs are constructed, concrete is poured on the surface of the prefabricated slabs to form the pouring slabs 5. The prefabricated slab 1 comprises a bottom slab 2, prefabricated connecting parts 3 and prefabricated rib nets 4 respectively arranged between the bottom slab 2 and the prefabricated connecting parts 3, and the structural strength between the prefabricated slabs 1 is high through the prefabricated rib nets 4. And pour board 5 and include top plate 6, pour connecting portion 7 and pour the muscle net 8, and is same, through the setting of pouring muscle net 8, lets the structural strength of pouring board 5 equally higher to let the overall structure intensity of coincide floor higher.
In order to increase the connection strength between the precast slab 1 and the pouring slab 5, as shown in fig. 1 and 2, a plurality of grooves 31 for forming the pouring connection portions 7 are formed on the precast connection portions 3, and the pouring connection portions 7 of the pouring slab 5 are directly poured into the grooves 31. In order to further improve the structural strength between the precast slab 1 and the pouring slab 5, referring to fig. 3 and 4, a plurality of through holes 32 are formed in the precast connecting portion 3, the pouring rib net 8 directly penetrates through the through holes 32, at this time, the through holes 32 are arranged in the precast rib net 4, so that a connection relationship exists between the pouring rib net 8 and the precast rib net 4, the pouring rib net 8 and the precast rib net 4 are partially overlapped, and the overlapped position is arranged between the precast connecting portion 3 and the pouring connecting portion 7, so that the purpose of improving the structural strength of connection between the precast slab 1 and the pouring slab 5 is achieved.
As shown in fig. 3 and 4, the prefabricated rib net 4 includes prefabricated ribs 41 and prefabricated connecting rings 42 sleeved on the prefabricated ribs 41, and a plurality of prefabricated ribs 41 are tiled, and a plurality of prefabricated connecting rings 42 are also provided. In order to form the net by the prefabricated rib net 4 and to balance the stress, the prefabricated connecting rings 42 are connected with each other by the prefabricated ribs 41, that is, two adjacent prefabricated connecting rings 42 are sleeved with the same prefabricated rib 41 and are connected with the net. In order to connect the precast reinforced net 4 and the casting reinforced net 8, referring to fig. 2 and 5, the through hole 32 is arranged at the inner position of the precast connecting ring 42, and the casting reinforced net 8 is directly connected with the precast connecting ring 42 when passing through the through hole 32, so as to achieve the purpose of improving the structural strength of the connecting part of the whole connecting composite slab.
Referring to fig. 2 and 3, the through-hole 32 is provided with an embedded part 43 that forms the through-hole 32, i.e., the through-hole 32 may be formed by a hollow embedded part 43. The embedded part 43 may be formed by a plastic sleeve or a metal sleeve. In order to facilitate the installation of the embedded part 43 and the formation of the through hole 32, the embedded part 43 is fixedly connected with the prefabricated connecting ring 42. The embedded parts 43 can be fixed in a bundling manner, and when the embedded parts 43 are metal parts, the embedded parts can also be fixed in a welding manner.
As shown in fig. 3 and 4, the casting rib net 8 includes a casting connection ring 82 and a casting straight rib 81, the casting connection ring 82 is disposed in the groove 31, the casting straight rib 81 is disposed in the through hole 32 in a penetrating manner, and the casting connection ring 82 is sleeved on the casting straight rib 81, at this time, the casting straight rib 81 can respectively pass through the casting connection ring 82 and the prefabricated connection ring 42, and then the casting rib net 8 and the prefabricated rib net 4 are connected together through the casting straight rib 81, so that the connection strength between the prefabricated slab 1 and the casting slab 5 is improved. In order to make the structural strength of the pouring plate 5 higher, the pouring connecting ring 82 is arranged between the pouring connecting part 7 and the top plate 6, and the pouring reinforcing ribs 83 are tied on the pouring connecting ring 82, and the pouring reinforcing ribs 83 are arranged in the top plate 6.
Example 2: a method of constructing a laminated floor slab as described in embodiment 1, wherein the floor slab structure is as described in embodiment 1, comprising the steps of:
s1, manufacturing a precast slab 1, bundling the precast ribs 41 and the precast connecting rings 42 to form a precast rib net 4, building a square frame type pouring mold through the plates, placing the precast rib net 4 in the pouring mold, and pouring concrete slurry to form the precast slab 1;
s2, mounting the prefabricated slab 1, transporting the prefabricated slab 1 to a construction position after the prefabricated slab 1 is formed, and hoisting the prefabricated slab to a specified position;
s3, placing a pouring rib net 8, placing the pouring net on the precast slab 1, and arranging a baffle plate at the edge of the precast slab 1 to form a pouring space;
and S4, forming the pouring plate 5, pouring concrete into the pouring space formed in the S3, and then carrying out flattening treatment on the surface of the pouring layer to finally finish the construction of the laminated floor slab.
The groove 31 of the prefabricated panel 1 can be formed by installing a template on a mould.
When the casting rib net 8 is formed by casting the connecting ring 82 and the casting straight ribs 81, in step S3, the casting connecting ring 82 is first put on the precast slab 1, and then the casting straight ribs 81 are inserted to make the diameter directly penetrate through the casting connecting ring 82, so that the casting rib net 8 is formed.
In the step S3, the attachment is performed only by pouring the connection ring 82, which is not stable in itself, and thus, the pre-fixing is required in the attachment. Therefore, in order to solve the above-mentioned technical problem, the cast reinforcing ribs 83 are provided to connect the cast connecting rings 82. The pouring connecting ring 82 and the pouring reinforcing ribs 83 are tied up firstly, so that the pouring reinforcing ribs 83 and the pouring connecting ring 82 are stable and convenient to place, and meanwhile, after the pouring reinforcing ribs 83 are added, the structural strength of the pouring plate 5 is improved. Then the tied pouring connecting ring 82 and the poured reinforcing rib are placed on the precast slab 1, and finally the pouring straight rib 81 is penetrated, meanwhile, after the pouring straight rib 81 is penetrated, other structures such as fixing pieces and extrusion pieces (stones) can be added in the through hole 32, and the pouring straight rib 81 can be fixed.
Example 3: a method for splicing laminated floor slabs according to embodiment 1, referring to the structure of fig. 5, comprising the following steps: c1, placing the first precast slab 1; c2, placing a second prefabricated plate 1 beside the first prefabricated plate 1 side by side, and enabling the through hole 32 on the second prefabricated plate 1 to correspond to the through hole 32 on the first prefabricated plate 1; c3, inserting connecting ribs 9 between the through holes 32 of the first precast slab 1 and the through holes 32 of the second precast slab 1, wherein the connecting ribs 9 can be connected and fixed by screws or other steel bar rods; c4, placing the casting rib net 8, wherein the casting rib net 8 can be spanned on the first precast slab 1 and the second precast slab 1; and C5, pouring to form the pouring plate 5.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. A laminated floor slab is characterized by comprising precast slabs (1) and pouring slabs (5), the precast slab (1) comprises a bottom slab (2), precast connecting parts (3) and precast reinforced nets (4) respectively arranged between the bottom slab (2) and the precast connecting parts (3), the pouring plate (5) comprises a top plate (6), a pouring connecting part (7) and a pouring rib net (8), the pouring rib net (8) and the prefabricated rib net (4) are partially overlapped, and the overlapping position is arranged between the prefabricated connecting part (3) and the pouring connecting part (7), the prefabricated connecting part (3) is provided with a plurality of grooves (31) for forming the pouring connecting part (7), a plurality of through holes (32) are formed in the prefabricated connecting part (3), the through holes (32) are arranged in the prefabricated rib net (4), and the pouring rib net (8) penetrates through the through holes (32);
the pouring rib net (8) comprises pouring connecting rings (82) and pouring straight ribs (81), the pouring connecting rings (82) are arranged in the grooves (31), the pouring straight ribs (81) penetrate through the through holes (32), the pouring connecting rings (82) are sleeved on the pouring straight ribs (81), and the pouring connecting rings (82) and the pouring reinforcing ribs (83) are bundled;
the pouring connecting ring (82) is arranged between the pouring connecting part (7) and the top plate (6);
pouring reinforcing ribs (83) are tied up on the pouring connecting ring (82), the pouring reinforcing ribs (83) are arranged in the top plate (6), and the pouring connecting ring (82) is arranged in the groove (31) after the pouring reinforcing ribs (83) and the pouring connecting ring (82) are tied up;
the prefabricated rib net (4) comprises prefabricated ribs (41) and prefabricated connecting rings (42) sleeved on the prefabricated ribs (41), and the through holes (32) are arranged in the prefabricated connecting rings (42).
2. Laminated floor according to claim 1, characterised in that the through hole (32) is provided with an embedded part (43) forming the through hole (32), the embedded part (43) being fixedly connected with the prefabricated connecting ring (42).
3. A method of constructing a composite floor slab as claimed in any one of claims 1 to 2, including the steps of:
s1, manufacturing a prefabricated plate (1);
s2, mounting the precast slab (1);
s3, placing a pouring rib net (8);
and S4, forming the pouring plate (5).
4. The construction method as claimed in claim 3, wherein in the step S3, the coupling ring (82) is put on the prefabricated slab (1) and the straight rib (81) is inserted.
5. The construction method according to claim 3, wherein in step S3, the cast connecting ring (82) and the cast reinforcing bars (83) are tied up, and then the tied-up cast connecting ring (82) and cast reinforcing bars are put on the prefabricated slab (1), and finally the cast straight bars (81) are penetrated.
6. A method of splicing laminated floor slabs as claimed in any one of claims 1-2, comprising the steps of: c1, placing the first precast slab (1); c2, placing the second precast slabs (1) side by side at the moment, wherein the through holes (32) on the second precast slabs (1) correspond to the through holes (32) on the first precast slabs (1); c3, inserting connecting ribs (9) between the through holes (32) of the first precast slab (1) and the through holes (32) of the second precast slab (1); c4, placing a pouring rib net (8); and C5, pouring to form a pouring plate (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910045889.8A CN109680852B (en) | 2019-01-17 | 2019-01-17 | Composite floor slab and construction method and splicing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910045889.8A CN109680852B (en) | 2019-01-17 | 2019-01-17 | Composite floor slab and construction method and splicing method thereof |
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| CN109680852A CN109680852A (en) | 2019-04-26 |
| CN109680852B true CN109680852B (en) | 2021-05-04 |
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| CN110886235B (en) * | 2019-12-21 | 2021-07-06 | 烟台仁晟工程设备有限公司 | Bridge construction method |
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|---|---|---|---|---|
| CN104631674A (en) * | 2015-01-29 | 2015-05-20 | 济南轨道交通集团有限公司 | Composite floor slab and construction method thereof |
| CN106759951A (en) * | 2017-01-18 | 2017-05-31 | 黄坤坤 | A kind of assembled ring muscle is fastened and is anchored concrete shear force wall one side floor connection structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050043848A (en) * | 2005-04-18 | 2005-05-11 | 장광윤 | Bar truss sandwich slab |
| CN101245638A (en) * | 2007-02-13 | 2008-08-20 | 邱则有 | Laminated slab |
| CN103161244A (en) * | 2013-02-03 | 2013-06-19 | 株洲博尔曼科技发展有限公司 | Novel heat preservation laminated slab and construction method thereof |
| CN106703269A (en) * | 2016-12-30 | 2017-05-24 | 山东省建筑科学研究院 | Prestressed concrete superimposed sheet with steel trusses and manufacturing method |
| CN206428872U (en) * | 2017-01-17 | 2017-08-22 | 沈阳建筑大学 | A kind of close splicing seam superimposed sheet |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631674A (en) * | 2015-01-29 | 2015-05-20 | 济南轨道交通集团有限公司 | Composite floor slab and construction method thereof |
| CN106759951A (en) * | 2017-01-18 | 2017-05-31 | 黄坤坤 | A kind of assembled ring muscle is fastened and is anchored concrete shear force wall one side floor connection structure |
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