CN217353117U - Stable in structure's assembled coincide floor - Google Patents
Stable in structure's assembled coincide floor Download PDFInfo
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- CN217353117U CN217353117U CN202220557385.1U CN202220557385U CN217353117U CN 217353117 U CN217353117 U CN 217353117U CN 202220557385 U CN202220557385 U CN 202220557385U CN 217353117 U CN217353117 U CN 217353117U
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Abstract
The utility model belongs to the technical field of the superimposed sheet, concretely relates to stable in structure's assembled coincide floor. This stable in structure's assembled coincide floor includes: precast slabs and cast-in-place layers on the cast-in-place precast slabs; the upper surface of the precast slab is provided with a first post-pouring groove in an extending manner along the length direction of the precast slab; and the two side walls of the first post-pouring groove are respectively provided with a convex strip. The beneficial effects of the utility model are that, the utility model discloses a stable in structure, the upper surface of the prefabricated plate of assembled coincide floor is provided with the first post-cast groove of watering along its length direction extension, waters after the first and is provided with the sand grip on two lateral walls in groove respectively, pours cast-in-place layer after, and the groove is watered after the concrete entering is first, and the prefabricated plate can pass through the concrete on the cast-in-place layer of sand grip joint, and the design of watering groove and sand grip after the first has strengthened assembled coincide floor monolithic connectivity performance and stability.
Description
Technical Field
The utility model belongs to the technical field of the superimposed sheet, concretely relates to stable in structure's assembled coincide floor.
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.
A plurality of longitudinal steel bars and a plurality of transverse steel bars are arranged in a common prefabricated slab in a penetrating manner, a truss is further arranged on the prefabricated slab, the truss is bound and connected with the longitudinal steel bars and the transverse steel bars, the truss, the longitudinal steel bars and the transverse steel bars are pre-embedded in a mold before concrete pouring, the truss, the longitudinal steel bars and the transverse steel bars are fixedly connected with the prefabricated slab after pouring forming, and the top of the truss penetrates out of the prefabricated slab; during the use, transport the prefabricated plate to the building site, pour and form and pour the layer after hoisting to the mounted position, the top of truss is located pours the in situ and with pours layer fixed connection.
However, in an application scenario with a high requirement on the strength of a building structure, the existing connection structure depending on the truss cannot meet the requirement on the connection strength between the precast slab and the cast-in-place reinforced concrete layer.
Disclosure of Invention
The purpose of the invention is as follows: the technical problem to be solved by the invention is to provide the assembled composite floor slab with a stable structure aiming at the defects of the prior art.
In order to solve the technical problem, the utility model provides an assembled composite floor slab with stable structure, which comprises more than two prefabricated slabs connected in sequence, wherein a cast-in-place layer is poured above the prefabricated slabs; the upper surface of the precast slab is provided with a first post-pouring groove in an extending manner along the length direction of the precast slab; and raised lines are respectively arranged on two inner side walls oppositely arranged in the first post-pouring groove.
Furthermore, a covering strip is arranged at the upper part of one long side of the prefabricated slab, and a step for accommodating the covering strip is arranged at the lower part of the other long side; a second post-pouring groove parallel to the narrow edge direction of the prefabricated slab is formed in the step; the cover strip has a width narrower than the step width to expose a portion of the second post-cast trough after the cover strip of one prefabricated panel is covered on the step of another prefabricated panel.
Furthermore, the number of the second post-pouring troughs is more than one, and the second post-pouring troughs are arranged in an array along the length direction of the precast slab.
Furthermore, the prefabricated plate comprises more than one distribution rib, the distribution rib is arranged along the width direction of the prefabricated plate, and one end of the distribution rib extends into the second post-pouring groove.
Furthermore, the precast slab comprises more than one prestressed tendon, and the prestressed tendon extends out of the end face of the precast slab along the length direction of the precast slab.
Furthermore, a water stop strip is arranged at the lower part of the side face of the step and arranged along the length direction of the prefabricated slab.
Furthermore, the precast slab casting device also comprises more than one truss arranged along the length direction of the precast slab, the lower part of the truss is positioned in the precast slab, and the upper part of the truss is positioned in the cast-in-place layer.
Furthermore, the truss comprises more than one long rib arranged along the length direction of the precast slab; more than one reinforcing plate used for embedding the cast-in-place layer is arrayed on the long ribs.
Further, the reinforcing plate is in an inverted V shape.
Has the advantages that:
the utility model discloses a stable in structure's assembled coincide floor's prefabricated plate's upper surface is provided with the first groove of watering after following its length direction extension, waters after first and is provided with the sand grip on two lateral walls in groove respectively, pours cast-in-place layer after, and the concrete gets into the first groove of watering after, and the prefabricated plate can pass through the concrete on the cast-in-place layer of sand grip joint, and waters after first and the design of groove and sand grip has strengthened assembled coincide floor monolithic connectivity and stability.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Fig. 1 is a perspective view of a prefabricated slab of the structurally stable fabricated composite floor slab of the present invention;
fig. 2 is a front view of a structurally stable fabricated composite floor slab of the present invention;
fig. 3 is the utility model discloses a stable in structure's assembled schematic diagram of two adjacent prefabricated plates in assembled coincide floor.
Detailed Description
The utility model discloses the mark sign as follows: 1. the prefabricated slab comprises a prefabricated slab 11, a first post-pouring groove 111, a convex strip 12, a covering strip 13, a step 131, a second post-pouring groove 14, a prestressed rib 15, a distribution rib 16, a water stop strip 17, a truss 171, a long rib 172 and a reinforcing plate.
Examples
As shown in fig. 1 to 3, the present embodiment provides a fabricated composite floor slab with stable structure, which includes more than two prefabricated slabs 1 connected in sequence, and a cast-in-place layer 18 is poured on the prefabricated slabs 1; the upper surface of the precast slab 1 is provided with a first post-pouring groove 11 along the length direction of the precast slab 1 in an extending manner; convex strips 111 are respectively arranged on the two inner side walls in the first post-pouring groove 11. After the cast-in-place layer 18 is poured, concrete enters the first post-pouring groove 11, and the precast slab 1 can be clamped with the concrete of the cast-in-place layer through the convex strips 111. Through the design of first post-cast groove 11 and sand grip 111, the whole connection performance and the stability of assembled coincide floor have been strengthened.
In this embodiment, it is preferable that the prefabricated panel 1 is provided at an upper portion of one long side thereof with a cover strip 12, and at a lower portion thereof with a step 13 for receiving the cover strip 12. And a second post-pouring groove 131 parallel to the narrow side direction of the precast slab 1 is arranged on the step 13. The cover strip 12 has a width narrower than that of the step 13 to expose a portion of the second post-cast channel 131 after the cover strip 12 of one prefabricated panel 1 is covered on the step 13 of another prefabricated panel 1.
As shown in fig. 3, in the present embodiment, two adjacent prefabricated panels 1 are overlapped by the covering strip 12 and the step 13, and since the width of the covering strip 12 is narrower than that of the step 13, a portion of the second post-cast trough 131 is exposed at the overlapped portion. When the cast-in-place layer 18 is poured, concrete enters the second post-pouring groove 131 to fill the gap between the covering strip 12 and the step 13. The second post-cast groove 131 is arranged to increase the bonding area between the concrete and the adjacent prefabricated slab 1, and improve the bonding strength between the cast-in-place layer 18 and the two adjacent prefabricated slabs 1, so as to further improve the overall connection strength and stability of the fabricated composite floor slab.
In this embodiment, optionally, the number of the second post-cast troughs 131 is one or more and is arranged in an array along the length direction of the precast slab 1.
In the present embodiment, it is preferable that the prefabricated panel 1 includes distribution ribs 15. The distribution ribs 15 are arranged along the width direction of the prefabricated slab 1, and one ends of the distribution ribs 15 extend into the second post-pouring groove 131. Through set up distribution muscle 15 in the second post-cast groove 131, can promote assembled coincide floor's bulk joint strength and stability.
In the present embodiment, the prefabricated slab 1 preferably further includes more than one tendon 14. The prestressed tendons 14 extend out of the end face of the precast slab 1 along the length direction of the precast slab 1 and are exposed to form a linking effect.
In this embodiment, in order to improve the water blocking performance between adjacent prefabricated panels 1, a water stop strip 16 is arranged at the lower part of the side surface of the step 13, and the water stop strip 16 is arranged along the length direction of the prefabricated panel 1. The water stop strip 16 may be water swellable to substantially fill the splice to prevent water from passing therethrough.
In this embodiment, the water stop strip 16 is an SBS waterproof roll.
As shown in fig. 2, the present embodiment provides a fabricated composite floor slab having a stable structure, further comprising one or more trusses 17 disposed along the length direction of the precast slab 1, the lower portions of the trusses 17 being positioned within the precast slab 1, and the upper portions of the trusses 17 being positioned within the cast-in-place layer 18.
In this embodiment, preferably, the truss 17 includes more than one long rib 171 arranged along the length direction of the prefabricated slab 1; the long ribs 171 are provided with more than one reinforcing plate 172 for embedding the cast-in-place layer 18.
In this embodiment, the reinforcing plate 172 preferably has an inverted V shape.
As shown in fig. 2, in the present embodiment, the bonding strength of the truss 17 and the cast-in-place layer can be improved by embedding the reinforcing plate 172 having an inverted V shape into the cast-in-place layer 18.
To sum up, the upper surface of the prefabricated slab 1 of the fabricated composite floor slab with the stable structure is provided with a first post-cast groove 11 in an extending manner along the length direction, two side walls of the first post-cast groove 11 are respectively provided with a convex strip 111, after a cast-in-place layer is poured, concrete enters the first post-cast groove 11, the prefabricated slab 1 can be clamped with the concrete of the cast-in-place layer through the convex strips 111, and the integral connection performance and stability of the fabricated composite floor slab are enhanced due to the design of the first post-cast groove 11 and the convex strips 111; when the cast-in-place layer is poured, concrete enters the second post-pouring groove 131, the bonding strength between two adjacent prefabricated panels 1 can be improved, and the bonding strength between the truss 17 and the cast-in-place layer can be improved by embedding the inverted-V-shaped reinforcing plate 172 into the cast-in-place layer.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected.
While the above description is merely a preferred embodiment of the present invention, it should be understood that numerous modifications and enhancements could be made by those skilled in the art without departing from the principles of the present invention, and such modifications and enhancements are intended to be within the scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (9)
1. The assembled composite floor slab with the stable structure is characterized by comprising more than two prefabricated slabs (1) which are connected in sequence, wherein a cast-in-place layer (18) is poured above the prefabricated slabs (1);
the upper surface of the precast slab (1) is provided with a first post-pouring groove (11) in an extending manner along the length direction of the precast slab (1);
and convex strips (111) are respectively arranged on the two inner side walls in the first post-pouring groove (11).
2. A structurally stable, fabricated, composite floor slab according to claim 1,
the upper part of one long side of the precast slab (1) is provided with a covering strip (12), and the lower part of the other long side is provided with a step (13) for accommodating the covering strip (12);
a second post-pouring groove (131) parallel to the narrow side direction of the precast slab (1) is formed in the step (13);
the cover strip (12) has a width narrower than that of the step (13) to expose a portion of the second post-pouring groove (131) after the cover strip (12) of one prefabricated panel (1) is covered on the step (13) of another prefabricated panel (1).
3. A structurally stable fabricated composite floor slab as claimed in claim 2,
the number of the second post-pouring grooves (131) is more than one, and the second post-pouring grooves (131) are arranged in an array along the length direction of the precast slab (1).
4. A structurally stable fabricated composite floor slab as claimed in claim 3,
the prefabricated plate (1) comprises more than one distribution rib (15), the distribution ribs (15) are arranged along the width direction of the prefabricated plate (1), and one end of each distribution rib (15) extends into the second post-pouring groove (131).
5. A structurally stable fabricated composite floor slab as claimed in claim 4,
the precast slab (1) also comprises more than one prestressed tendon (14), and the prestressed tendon (14) extends out of the end face of the precast slab (1) along the length direction of the precast slab (1).
6. A structurally stable fabricated composite floor slab as claimed in claim 5,
and a water stop strip (16) is arranged at the lower part of the side surface of the step (13), and the water stop strip (16) is arranged along the length direction of the precast slab (1).
7. A structurally stable fabricated composite floor slab as claimed in claim 6,
the prefabricated slab structure is characterized by further comprising more than one truss (17) arranged along the length direction of the prefabricated slab (1), wherein the lower portion of the truss (17) is located in the prefabricated slab (1), and the upper portion of the truss (17) is located in a cast-in-place layer (18).
8. A structurally stable fabricated composite floor slab as claimed in claim 7,
the truss (17) comprises more than one long rib (171) arranged along the length direction of the precast slab (1);
reinforcing plates (172) used for embedding the cast-in-place layer (18) are arrayed on the long ribs (171).
9. A structurally stable fabricated composite floor slab as claimed in claim 8,
the reinforcing plate (172) is in an inverted V shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220557385.1U CN217353117U (en) | 2022-03-15 | 2022-03-15 | Stable in structure's assembled coincide floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220557385.1U CN217353117U (en) | 2022-03-15 | 2022-03-15 | Stable in structure's assembled coincide floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217353117U true CN217353117U (en) | 2022-09-02 |
Family
ID=83050736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220557385.1U Active CN217353117U (en) | 2022-03-15 | 2022-03-15 | Stable in structure's assembled coincide floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217353117U (en) |
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2022
- 2022-03-15 CN CN202220557385.1U patent/CN217353117U/en active Active
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