CN217630739U

CN217630739U - Prefabricated assembly type prestressed steel reinforced concrete multi-web hollow composite floor slab

Info

Publication number: CN217630739U
Application number: CN202221714392.4U
Authority: CN
Inventors: 欧卜东
Original assignee: Anhui Aia Concrete Co ltd
Current assignee: Anhui Aia Concrete Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-10-21
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a many abdomens of prefabricated assembled prestressing force shaped steel concrete hollow composite floor, including ultra high performance concrete bottom plate and ultra high performance concrete apron, many H shaped steel have been arranged between ultra high performance concrete bottom plate and the ultra high performance concrete apron, as an organic whole, its characterized in that through concrete placement: zigzag through holes are formed in the ultra-high-performance concrete bottom plate and the ultra-high-performance concrete cover plate, a plurality of reinforcing steel bars which are distributed up and down are inserted into the zigzag through holes, and two adjacent reinforcing steel bars are connected through a plurality of connecting steel bars which are uniformly distributed. Relate to floor technical field. The utility model discloses a tortuous through-hole can further increase the fastness of ultra high performance concrete bottom plate and ultra high performance concrete apron with the cooperation of the reinforcing bar that links into an integrated entity and splice bar, guarantees that the design of whole floor fretwork can not sink, has increased the stability of whole floor, further improves the shock resistance.

Description

Prefabricated assembly type prestressed steel reinforced concrete multi-web hollow composite floor slab

Technical Field

The utility model belongs to the technical field of the floor, especially, relate to a hollow composite floor slab of many abdomen of prefabricated assembled prestressing force shaped steel concrete.

Background

Floor generally refers to a concrete precast element produced by processing in a precast yard. The bearing part in the floor layer divides the house into a plurality of layers in the vertical direction and transmits the vertical load of people, furniture and the like and the self weight of the floor to the foundation through the wall body, the beam or the column. The floor slab can be divided into a wood floor slab, a brick arch floor slab, a reinforced concrete floor slab, a steel lining plate bearing floor slab and the like according to the used materials.

The prior floor structure scheme has the defects of insufficient maturity, crossed bottom of shock resistance and poor stability, and Chinese patent discloses a prefabricated assembly type prestressed steel concrete multi-web hollow composite floor slab (CN 21556714U) which comprises an ultrahigh-performance concrete bottom plate and an ultrahigh-performance concrete cover plate, wherein a plurality of H-shaped steel are arranged between the ultrahigh-performance concrete bottom plate and the ultrahigh-performance concrete cover plate and are poured into a whole through concrete, the H-shaped steel are arranged in parallel, the planes of webs of the H-shaped steel are parallel, and a hollow structure is arranged between the adjacent H-shaped steel. The comparison file solves the complex problem of the traditional cast-in-place floor slab construction, and has the advantages of high bearing capacity, good crack resistance, good anti-seismic performance, large rigidity, small size of the section of the component, small self weight and the like.

But the structure that foretell floor structure used also is conventional structure, and its stability and shock attenuation nature still are not enough, for this reason the utility model discloses make further improvement at above-mentioned comparison file, provide a prefabricated assembled prestressing force type steel concrete multiple-web hollow composite floor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hollow composite floor of many abdomens of prefabricated assembled prestressing force shaped steel concrete has solved the not good enough problem of floor stability and shock resistance in the above-mentioned technical background.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a many abdomens of prefabricated assembled prestressing force shaped steel concrete hollow composite floor, including ultra high performance concrete bottom plate and ultra high performance concrete apron, many H shaped steel have been arranged between ultra high performance concrete bottom plate and the ultra high performance concrete apron, as an organic whole through concrete placement, tortuous through-hole has all been seted up to the inside of ultra high performance concrete bottom plate and ultra high performance concrete apron, peg graft in the inside of tortuous through-hole has a plurality of reinforcing bars of arranging from top to bottom, connects through evenly distributed's a plurality of splice bars between two adjacent reinforcing bars, is hollow structure between the adjacent H shaped steel.

Further, a plurality of stirrups are arranged around each H-shaped steel, and the stirrups are perpendicular to the length direction of the H-shaped steel.

Furthermore, connecting strips are arranged between two adjacent floor slabs, connecting holes are formed in the middle of each connecting strip and in the ultrahigh-performance concrete bottom plates and the ultrahigh-performance concrete cover plates on the two floor slabs, reinforcing ribs are connected inside the connecting holes, and the end portions of the reinforcing ribs are integrated into a whole through connecting blocks.

Further, arc-shaped grooves are formed in the top wall and the bottom wall of the hollow structure formed between the ultra-high performance concrete bottom plate and the ultra-high performance concrete cover plate.

Furthermore, a rectangular groove is formed in the position, opposite to the side where the ultra-high performance concrete bottom plate and the ultra-high performance concrete cover plate are used for installing the H-shaped steel, of the ultra-high performance concrete bottom plate.

The utility model discloses following beneficial effect has:

the utility model discloses a tortuous through-hole can further increase the fastness of ultra high performance concrete bottom plate and ultra high performance concrete apron with the cooperation of the reinforcing bar that links into an integrated entity and splice bar, guarantees that the design of whole floor fretwork can not sink, has increased the stability of whole floor, further improves the shock resistance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a prefabricated prestressed steel reinforced concrete multi-web hollow composite floor slab.

Fig. 2 is an explosion structure diagram of a prefabricated assembly type prestressed steel reinforced concrete multi-web hollow composite floor slab.

Fig. 3 is a partially enlarged view of a point a in fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an ultra-high performance concrete floor; 2. an ultra-high performance concrete cover plate; 3. h-shaped steel; 4. a tortuous through hole; 5. reinforcing steel bars; 6. connecting ribs; 7. hooping; 8. a connecting strip; 9. connecting holes; 10. reinforcing ribs; 11. an arc-shaped slot; 12. a rectangular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1 and fig. 2, the utility model relates to a many belly hollow composite floor of prefabricated assembled prestressing force shaped steel concrete, including ultra high performance concrete bottom plate 1 and ultra high performance concrete apron 2, many H shaped steel 3 have been arranged between ultra high performance concrete bottom plate 1 and the ultra high performance concrete apron 2, it is as an organic whole through concrete placement, tortuous through-hole 4 has all been seted up to ultra high performance concrete bottom plate 1 and ultra high performance concrete apron 2's inside, the inside grafting of tortuous through-hole 4 has a plurality of reinforcing bars 5 of arranging from top to bottom, connect through evenly distributed's a plurality of splice bars 6 between two adjacent reinforcing bars 5, be hollow structure between the adjacent H shaped steel 3.

Through tortuous through-hole 4 and the cooperation of the reinforcing bar 5 that links into an integrated entity and splice bar 6 can further increase the fastness of ultra high performance concrete bottom plate 1 and ultra high performance concrete apron 2 in this embodiment, guarantee that the design of whole floor fretwork can not sink, increased the stability of whole floor, further improve the shock resistance.

In another preferred embodiment, referring to fig. 1, a plurality of stirrups 7 are arranged around each H-section 3, the stirrups 7 being perpendicular to the length direction of the H-section 3.

In another preferred embodiment, referring to fig. 2, a connecting strip 8 is arranged between two adjacent floor slabs, connecting holes 9 are formed in the middle of the connecting strip 8 and the ultra-high performance concrete bottom plate 1 and the ultra-high performance concrete cover plate 2 on the two floor slabs, a reinforcing rib 10 is connected inside each connecting hole 9, and the end parts of the reinforcing ribs 10 are integrated into a whole through a connecting block 13.

When the two floor slabs are assembled, the connecting strip 8 is arranged at the central positions of the two floor slabs, and the reinforcing ribs 10 which are connected into a whole are respectively arranged in the corresponding connecting holes 9, so that the stable connection between the two floor slabs is ensured.

In another preferred embodiment, referring to fig. 1, the top wall and the bottom wall of the hollow structure formed between the ultra-high performance concrete bottom plate 1 and the ultra-high performance concrete cover plate 2 are both provided with arc-shaped grooves 11.

The use of ultra-high performance concrete material can be reduced through setting up of arc wall 11 on the one hand, and on the other hand has utilized the arc can increase the stability of ultra-high performance concrete bottom plate 1 and ultra-high performance concrete apron 2.

In another preferred embodiment, referring to fig. 2, a rectangular groove 12 is formed at a position on one side of the ultra-high performance concrete bottom plate 1 opposite to the ultra-high performance concrete cover plate 2 for mounting the H-shaped steel 3.

The stability of the installation of the H-shaped steel 3 can be ensured through the arrangement of the rectangular groove 12.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a many belly hollow composite floor of prefabricated assembled prestressing force shaped steel concrete, includes ultra high performance concrete bottom plate (1) and ultra high performance concrete apron (2), arranged many H shaped steel (3) between ultra high performance concrete bottom plate (1) and ultra high performance concrete apron (2), as an organic whole through concrete placement, its characterized in that: zigzag through holes (4) are formed in the ultra-high-performance concrete bottom plate (1) and the ultra-high-performance concrete cover plate (2), a plurality of steel bars (5) which are distributed up and down are inserted into the zigzag through holes (4), two adjacent steel bars (5) are connected through a plurality of connecting bars (6) which are uniformly distributed, and a hollow structure is formed between every two adjacent H-shaped steel bars (3).

2. A prefabricated prestressed profile concrete multi-web hollow composite floor slab as claimed in claim 1, wherein a plurality of stirrups (7) are arranged around each H-section (3), the stirrups (7) being perpendicular to the length direction of the H-section (3).

3. The prefabricated prestressed steel reinforced concrete multi-web hollow composite floor slab as claimed in claim 1, wherein a connecting strip (8) is arranged between two adjacent floor slabs, connecting holes (9) are respectively formed in the middle of the connecting strip (8) and the ultra-high performance concrete bottom plate (1) and the ultra-high performance concrete cover plate (2) on the two floor slabs, a reinforcing rib (10) is connected to the inside of each connecting hole (9), and the end parts of the reinforcing ribs (10) are integrated into a whole through connecting blocks (13).

4. The prefabricated assembly type prestressed section steel concrete multi-web hollow composite floor slab as claimed in claim 1, wherein the top wall and the bottom wall forming the hollow structure between said ultra-high performance concrete bottom slab (1) and ultra-high performance concrete cover slab (2) are both provided with arc grooves (11).

5. The prefabricated prestressed steel reinforced concrete multi-web hollow composite floor slab as claimed in claim 1, wherein rectangular grooves (12) are formed in positions on one side of the ultra-high performance concrete bottom slab (1) and the ultra-high performance concrete cover slab (2) opposite to the positions for mounting the H-shaped steel (3).