CN218597473U

CN218597473U - Prestressed concrete superimposed sheet

Info

Publication number: CN218597473U
Application number: CN202222808746.8U
Authority: CN
Inventors: 程兵; 杨碧琼; 方根文
Original assignee: Individual
Current assignee: Cai Xin
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-10
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a prestressed concrete superimposed sheet belongs to building prefabricated plate technical field, including concrete bottom plate, four group's floor structures have been laid at concrete bottom plate's top, fixed mounting has the spacing of precast concrete on the concrete bottom plate of side around the floor structure, run through between the floor structure and install horizontal perforation reinforcing bar, the superimposed concrete slab of cooperation use is laid at concrete bottom plate's top, run through on the floor structure and install the formula of inserting positioning bar that is connected with horizontal perforation reinforcing bar and superimposed concrete slab cooperation. This application technical scheme can enough guarantee the degree of consolidating of concrete slab inner structure through the formula of inserting spacer bar that inclines that sets up on the floor structure, and concrete bottom plate and superimposed concrete slab pass through the vertical type reinforcing bar of U type and strengthen being connected, have further increased the joint strength between concrete bottom plate and the superimposed concrete slab simultaneously again.

Description

Prestressed concrete superimposed sheet

Technical Field

The utility model relates to a building prefabricated plate technical field, more specifically say, relate to a prestressed concrete superimposed sheet.

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.

The patent document with the prior art publication number of CN217128672U provides a prestressed concrete laminated slab, and relates to the technical field of laminated slabs. A prestressed concrete laminated slab comprises a concrete bottom plate and a concrete laminated layer which are connected with each other, wherein the concrete bottom plate is provided with a truss, and the truss is embedded into the concrete laminated layer; and a connecting rod is arranged on one side of the concrete bottom plate, and a slot matched with the connecting rod is arranged on the other side of the concrete bottom plate. But the holistic operation performance of the device and most of these kinds of artistic lamps and lanterns on the market is comparatively single, the operation demand of art lamps and lanterns during the life house can't better be satisfied, though its structure is firm in prior art CN217128672U, difficult fracture, and a plurality of prestressed concrete superimposed sheets connect the back structural strength height, its junction is difficult for the fracture, improve its life, but along with the coincide of a plurality of prestressed concrete, also can lead to the joint strength between the superimposed layer not enough, separation fracture between the superimposed layer appears easily in installation or operation, unable additional strengthening structure. In view of this, we propose a prestressed concrete composite slab.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a prestressed concrete superimposed sheet to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

The utility model provides a prestressed concrete superimposed sheet, includes concrete bottom plate, four group's floor structures have been laid at concrete bottom plate's top, fixed mounting has the spacing of precast concrete on the concrete bottom plate of side around the floor structure, run through between the floor structure and install horizontal perforation reinforcing bar, run through between the horizontal perforation reinforcing bar and install the broken line formula reinforcing bar that the cooperation was used, the superimposed concrete slab who installs the cooperation and use is laid at concrete bottom plate's top, run through on the floor structure and install the formula of inserting positioning steel bar that is connected with horizontal perforation reinforcing bar and superimposed concrete slab cooperation.

As an alternative of the technical solution of the present application, the laminated concrete slab includes a mortar surface layer, an asbestos gauge layer, and a concrete cover plate, the concrete cover plate is poured on the top of the concrete bottom plate, the asbestos gauge layer is laid on the top of the concrete cover plate, and the mortar surface layer is laid on the top of the asbestos gauge layer.

As an alternative scheme of this application technical scheme, the concrete bottom plate includes high strength prestressed steel wire, prestressing force ribbed concrete sheet is installed in the butt joint of superimposed concrete slab's bottom, run through in the prestressing force ribbed concrete sheet and install high strength prestressed steel wire.

As an alternative scheme of this application technical scheme, the floor structure is including reserving hole in the rib, rectangle floor, the rectangle floor has been laid at concrete floor's top, and is provided with the reservation hole in the rib on the rectangle floor, and reserves the hole in the rib and run through by horizontal perforation reinforcing bar and inverted insertion formula spacer bar.

As an alternative scheme of this application technical scheme, intercrossing between broken line formula reinforcing bar and the horizontal perforation reinforcing bar, and the junction passes through the steel knot and connects fixedly, the formula of inserting the spacer bar upside down is run through by the horizontal perforation reinforcing bar, the formula of inserting the spacer bar upside down presents the U type form.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. this application technical scheme can enough guarantee the degree of consolidating of concrete slab inner structure through the formula of inserting spacer bar that inclines that sets up on the floor structure, guarantees that the condition that the skew was walked can not appear in inside reinforcing bar subassembly, and concrete bottom plate and superimposed concrete slab pass through the vertical type reinforcing bar reinforced connection of U type, have further increased the joint strength between concrete bottom plate and the superimposed concrete slab simultaneously again.

2. This application technical scheme is through setting up the effectual fastness and the stability of having guaranteed built-in structure during installation and operation of horizontal perforation reinforcing bar on the floor structure and precast concrete spacing, the inside condition of breaking off that takes place of effectual concrete slab that prevents during bearing to also can prevent concrete slab that the inside subassembly receives the influence during production preparation and deviates the preparation position.

Drawings

FIG. 1 is a schematic view of the overall internal composition of a prestressed concrete composite slab disclosed in the examples of the present application;

FIG. 2 is a structural diagram of the overall appearance of a prestressed concrete composite slab disclosed in the embodiments of the present application;

FIG. 3 is an enlarged schematic structural view of a rib plate structure of the prestressed concrete composite slab disclosed in the embodiment of the present application;

fig. 4 is a schematic view of an enlarged structure of a part a of a prestressed concrete composite slab disclosed in an embodiment of the present application;

the reference numbers in the figures illustrate: 1. a concrete floor; 101. high-strength prestressed steel wires; 102. a prestressed ribbed concrete sheet; 2. a rib plate structure; 201. reserving rib holes; 202. a rectangular rib plate; 3. a broken-line type steel bar; 4. transversely punching a steel bar; 5. a laminated concrete slab; 501. a mortar surface layer; 502. an asbestos web layer; 503. a concrete cover plate; 6. positioning the reinforcing steel bars in an inverted manner; 7. and (5) prefabricating concrete limiting strips.

Detailed Description

The utility model provides a technical scheme:

as shown in fig. 1, fig. 2 and fig. 3, a prestressed concrete composite slab includes a concrete bottom plate 1, the concrete bottom plate 1 includes a high-strength prestressed steel wire 101 and a prestressed ribbed concrete thin plate 102, the prestressed ribbed concrete thin plate 102 is installed at the bottom of the laminated concrete slab 5 in a butt joint manner, the high-strength prestressed steel wire 101 penetrates through the prestressed ribbed concrete thin plate 102, four sets of rib plate structures 2 are laid at the top of the concrete bottom plate 1, precast concrete limiting strips 7 are fixedly installed on the concrete bottom plates 1 at the front and rear sides of the rib plate structures 2, and transverse perforated steel bars 4 penetrate through the rib plate structures 2.

In the embodiment, during the preparation operation, the concrete bottom plate 1 is poured between the high-strength prestressed steel wire 101 and the prestressed ribbed concrete thin plate 102, the concrete bottom plate 1 serves as a bearing plate at the bottom and is placed on a placing surface, the rib plate structure 2 serves as an internal core reinforcing structure, the overall operation strength of the concrete slab is ensured, and the compactness of the rib plate structure 2 is ensured by matching with the transverse perforated steel bars 4 and the precast concrete limiting strips 7.

In some technical solutions, as shown in fig. 2 and 4, a broken-line type steel bar 3 used in cooperation is installed between the transverse perforated steel bars 4 in a penetrating manner, the broken-line type steel bar 3 and the transverse perforated steel bar 4 are crossed with each other, and the crossed position is connected and fixed through a steel wire knot.

In this embodiment, during the operation, broken line formula reinforcing bar 3 carries out mutual location to transversely perforate reinforcing bar 4 and consolidates to 6 messenger transversely perforate reinforcing bar 4 of formula of inserting upside down can fix in floor structure 2. Through the effectual fastness and the stability of built-in structure during installation and operation of having guaranteed of horizontal perforation reinforcing bar 4 on concrete bottom plate 1 and precast concrete spacing 7, the effectual inside condition of breaking that takes place of concrete slab during bearing to also can prevent that concrete slab inner assembly receives the influence and deviates from the preparation position during production preparation.

In some technical solutions, as shown in fig. 3 and 4, a laminated concrete slab 5 is laid on the top of the concrete bottom plate 1, the laminated concrete slab 5 includes a mortar surface layer 501, an asbestos mesh layer 502, and a concrete cover plate 503, the concrete cover plate 503 is cast on the top of the concrete bottom plate 1, the asbestos mesh layer 502 is laid on the top of the concrete cover plate 503, the mortar surface layer 501 is laid on the top of the asbestos mesh layer 502, and the inverted positioning steel bars 6 cooperatively connected with the transverse perforated steel bars 4 and the laminated concrete slab 5 are installed on the rib plate structure 2 in a penetrating manner.

In this embodiment, during the operation, the laminated concrete slab 5 and the concrete bottom slab 1 are combined to form a complete set of prestressed concrete slabs, the mortar surface layer 501, the asbestos mesh layer 502 and the concrete cover plate 503 can increase the adhesion between the concrete slabs and the external building or building materials, and can ensure the compactness of the internal structure thereof, and the connection degree between the concrete bottom slab 1 and the laminated concrete slab 5 can be effectively ensured by matching with the inverted positioning steel bars 6 and the transverse perforated steel bars 4.

In some technical scheme, floor structure 2 is including reserving rib hole 201, rectangular floor 202, and rectangular floor 202 has been laid at concrete floor 1's top, and is provided with on the rectangular floor 202 and reserves rib hole 201, and reserves rib hole 201 and run through by horizontal perforation reinforcing bar 4 and inverted insertion formula positioning bar 6, and inverted insertion formula positioning bar 6 is run through by horizontal perforation reinforcing bar 4, and inverted insertion formula positioning bar 6 presents the U type form.

In this embodiment, during the operation, personnel need to run through reservation ribbed hole 201 with horizontal perforation reinforcing bar 4, then also run through reservation ribbed hole 201 with inverted insertion formula spacer bar 6 to horizontal perforation reinforcing bar 4 is lived to inverted insertion formula spacer bar 6 pocket, then inside inverted insertion formula spacer bar 6's tip extended to concrete cover 503, accomplished the holistic constitution of prestressed concrete slab and installed, lay the operation with it at last. Can enough guarantee the degree of consolidating of concrete slab inner structure through inverted inserting formula spacer bar 6 on floor structure 2, guarantee that the condition of walking the position can not appear squinting in inside reinforcing bar subassembly, concrete bottom plate 1 and superimposed concrete slab 5 pass through the vertical type reinforcing bar of U type and strengthen being connected, have further increased the joint strength between concrete bottom plate 1 and the superimposed concrete slab 5 simultaneously again.

Claims

1. A prestressed concrete composite slab, includes concrete bottom plate (1), its characterized in that: four groups of rib plate structures (2) are laid at the top of the concrete bottom plate (1), prefabricated concrete limiting strips (7) are fixedly arranged on the concrete bottom plates (1) on the front side and the rear side of the rib plate structures (2), transverse perforated reinforcing steel bars (4) are arranged between the rib plate structures (2) in a penetrating manner,

the broken line type steel bars (3) which are matched with each other are arranged between the transverse perforated steel bars (4) in a penetrating way;

the top of the concrete bottom plate (1) is paved with a superposed concrete plate (5) which is used in a matched mode, and inverted locating steel bars (6) which are connected with the transverse perforated steel bars (4) and the superposed concrete plate (5) in a matched mode are installed on the rib plate structure (2) in a penetrating mode.

2. The prestressed concrete composite slab as claimed in claim 1, wherein: the overlapped concrete plate (5) comprises a mortar surface layer (501), an asbestos net layer (502) and a concrete cover plate (503), wherein the concrete cover plate (503) is poured on the top of the concrete bottom plate (1), the asbestos net layer (502) is paved on the top of the concrete cover plate (503), and the mortar surface layer (501) is paved on the top of the asbestos net layer (502).

3. The prestressed concrete composite slab as claimed in claim 1, wherein: the concrete bottom plate (1) comprises high-strength prestressed steel wires (101) and prestressed ribbed concrete thin plates (102), the prestressed ribbed concrete thin plates (102) are installed at the bottom of the superposed concrete plate (5) in a butt joint mode, and the high-strength prestressed steel wires (101) penetrate through the prestressed ribbed concrete thin plates (102).

4. The prestressed concrete composite slab as claimed in claim 1, wherein: the ribbed plate structure (2) comprises reserved ribbed holes (201) and rectangular ribbed plates (202), the rectangular ribbed plates (202) are laid at the top of the concrete bottom plate (1), the reserved ribbed holes (201) are formed in the rectangular ribbed plates (202), and the reserved ribbed holes (201) are penetrated by the transverse perforated steel bars (4) and the inverted positioning steel bars (6).

5. The prestressed concrete composite slab as claimed in claim 1, wherein: the broken line type reinforcing steel bars (3) and the transverse perforated reinforcing steel bars (4) are mutually crossed, and the crossed parts are connected and fixed through steel wire knots.

6. The prestressed concrete composite slab as claimed in claim 1, wherein: the inverted-inserting type positioning steel bar (6) is penetrated through by the transverse perforated steel bar (4), and the inverted-inserting type positioning steel bar (6) is in a U shape.