CN209817130U - Rigid splicing structure of double T-shaped plates - Google Patents

Abstract

The utility model relates to a double-T plate rigid splicing structure, which comprises at least two double-T plates, wherein the adjacent end surfaces of the double-T plates form a V-shaped notch, and a through reinforcing steel bar is arranged in the V-shaped notch; the upper end surfaces of the double T-shaped plates are provided with superposed layers, and superposed layer steel bars are arranged in the superposed layers; the through steel bars are connected with the superposed layer steel bars positioned above the through steel bars through connecting steel bars; and a crack pouring layer is arranged in the V-shaped notch. The crack pouring layer adopts a cement mortar layer or a fine stone concrete layer. The laminated layer is a concrete layer. The extending direction of the through steel bar is consistent with that of the V-shaped notch. The lamination layer thickness is greater than 40 mm. The laminated layer steel bars are of a steel bar mesh structure. The utility model discloses can solve the mortar grout that current two T board interplate gaps filled the usefulness and be not closely knit, the mortar is cracked easily after long-time the use, and the fragment drops the problem that causes safe risk.

Description

Rigid splicing structure of double T-shaped plates

Technical Field

The utility model belongs to the technical field of civil construction, concretely relates to two T board rigidity piece structures.

Background

The prestressed double-T plate has the advantages of large span, strong bearing capacity, good integrity and smooth and attractive bottom surface. The span of the double T-shaped plate generally has the specifications of 18m, 24m, 30m and the like, the space is large, the double T-shaped plate is very suitable for being used in factory buildings, warehouses, garages and cold storages, and along with the development of assembly type buildings, the application of the double T-shaped plate in large-span parking buildings, markets and other buildings is increased day by day.

The inventor thinks that: the gap between plates of the prestressed double-T plate is difficult to process, the gap between plates of the existing double-T plate is inverted V-shaped, a hanging die is generally adopted for processing the plate gap, the upper end opening of the gap between plates is generally 2-3cm, the lower end opening of the gap between plates is generally 5-6cm, mortar is difficult to compact, a movable scaffold is required to disassemble a template during processing the plate gap, the plate gap compacting process is complicated, the mortar of the plate gap after long-time use is easy to crack, the mortar is broken into fragments and falls off, people or vehicles and the like are easy to hurt.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, provide a two T board rigidity piece structures, can solve the mortar grout that current two T board interboard crack filling used uncompacted, the mortar is cracked easily after long-time the use, the fragment drops the problem that causes safe risk.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a two T board rigidity piece structure, includes two at least two T boards, and the terminal surface of every two T boards is equipped with unilateral groove, and the terminal surface of adjacent two T boards forms V type notch, be equipped with the through reinforcement in the V type notch.

The board seam adopts V type notch, and for "V" type notch of falling, the opening diameter of board seam lower extreme is littleer, can reduce the risk that the mortar falls from the board seam lower extreme, and the mortar is poured closely knit more.

The up end of two T boards is equipped with the coincide layer, be equipped with the coincide layer reinforcing bar in the coincide layer. The laminated layer is of an integral structure and spans the V-shaped groove opening.

The through reinforcing steel bars are connected with the superposed layer reinforcing steel bars positioned above the through reinforcing steel bars through connecting reinforcing steel bars.

And a crack pouring layer is arranged in the V-shaped notch.

Adopt the connecting reinforcement to be connected the superimposed sheet reinforcing bar with the link up reinforcing bar, link up the structural strength that the reinforcing bar can increase the encapsulating layer, reduce the risk that the mortar drops in the pouring seam layer.

The utility model has the advantages that:

the utility model discloses can guarantee the wholeness between two double T inter-plates plate seam filler and double T boards, the nodal connection safe and reliable, the structure is reasonable, and the construction is convenient, and efficiency is higher.

The utility model discloses a node structural strength is high, easily guarantees construction quality, can satisfy two T plate structure long-term work and reduce the requirement that the piece ftractures.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;

fig. 2 is a schematic view of the embodiment of the present invention showing the structures of the V-shaped notch and the connecting steel bar.

In the figure: 1. a double-T plate; 2. a lamination layer; 3. overlapping the layer of steel bars; 4. a V-shaped notch; 5. connecting reinforcing steel bars; 6. penetrating through the steel bar; 7. and (5) pouring a crack layer.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "up, down, left, right" in the present invention, if appearing, are intended to correspond only to the upper, lower, left, right directions of the drawings themselves, not to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.

In order to solve the problem of mentioning among the background art, the utility model provides a two T board rigidity piece structures, including two at least two T boards, the terminal surface of every two T boards is equipped with unilateral groove, and the adjacent terminal surface of two T boards forms V type notch, be equipped with the link up reinforcing bar in the V type notch.

The upper end surfaces of the double T-shaped plates are provided with superposed layers, and superposed layer steel bars are arranged in the superposed layers; the laminated layer is of an integral structure and spans the V-shaped groove opening.

The through reinforcing steel bars are connected with the superposed layer reinforcing steel bars positioned above the through reinforcing steel bars through connecting reinforcing steel bars.

And a crack pouring layer is arranged in the V-shaped notch.

Furthermore, the crack pouring layer adopts a cement mortar layer or a fine stone concrete layer.

Further, the laminated layer is a concrete layer.

Further, the extending direction of the through steel bar is consistent with that of the V-shaped notch.

Further, the lamination layer thickness is greater than 40 mm.

Further, the quantity of superimposed layer reinforcing bar is a plurality of, and a plurality of superimposed layer reinforcing bars form reinforcing bar net piece structure.

Further, the diameter of an opening at the upper end of the V-shaped notch is larger than that of an opening at the lower end of the V-shaped notch.

In a typical embodiment of the present invention, as shown in fig. 1-2, a rigid splicing and sewing structure of double T-shaped plates comprises at least two double T-shaped plates, wherein both ends of each double T-shaped plate are provided with single-side grooves, end faces of adjacent double T-shaped plates form V-shaped notches, and through steel bars are arranged in the V-shaped notches;

specifically, the main components of the double-T plate structure comprise at least two double-T plates 1 which are arranged close to each other, and plate seams are formed between every two adjacent double-T plates 1 and are V-shaped notches 4 due to the arrangement of the single-side grooves; the diameter of an opening at the upper end of the V-shaped notch 4 is larger than that of an opening at the lower end. In some embodiments, the upper end opening of the plate seam is 5-6cm in length; the length of the lower end opening is 2-3 cm. In other embodiments, the length of the upper and lower openings of the plate slots may be set at the discretion of the skilled person.

The up end of two T boards 1 is equipped with superimposed layer 2, superimposed layer 2 is concrete layer. The laminated layer 2 is internally provided with laminated layer steel bars 3; the quantity of superimposed layer reinforcing bar 3 is a plurality of, and a plurality of superimposed layer reinforcing bars 3 form reinforcing bar net piece structure.

And laminated layer reinforcing steel bars are arranged in the laminated layer 2. The laminated layer 2 is of an integral structure and spans across the V-shaped groove opening.

In some embodiments, the lamination layer 2 is greater than 40mm thick.

Specifically, the laminated layer 2 is a common structure above the double-T plate 1, and a cast-in-place mode can be adopted here, namely after the two adjacent T-shaped plates form the prestressed double-T plate, the laminated layer steel bars 3 are directly paved on the upper surface of the double-T plate 1, and then concrete is poured.

And a through reinforcing steel bar 6 is arranged in the V-shaped notch 4. The through steel bars 6 are connected with the superposed layer steel bars 3 positioned above the through steel bars through connecting steel bars 5;

specifically, the through reinforcing steel bars 6 and the connecting reinforcing steel bars 5 can be common reinforcing steel bars, are arranged along the extending direction of the plate joints of the two double-T plates 1 and penetrate through the whole plate joint; the both ends of connecting reinforcement 5 are crooked to the realization links to each other linking up of linking up reinforcing bar 6 and superimposed layer reinforcing bar 3, hooks up through reinforcement 6.

And a crack pouring layer 7 is arranged in the V-shaped groove opening 4. The crack pouring layer 7 adopts a cement mortar layer or a fine stone concrete layer.

The extending direction of the through reinforcing steel bars 6 is consistent with that of the V-shaped groove openings 4.

Specifically, the extending direction of the V-shaped notch 4, i.e. the extending direction of the plate seam, is parallel to the direction of the rib plate in the double-T plate 1.

The concrete construction method comprises the following steps:

a single-side groove needs to be reserved for a prestressed double-T plate 1 produced by a manufacturer; the end surface of the groove is arranged upwards;

after the two prestressed double-T plates 1 are installed in place, a V-shaped groove opening 4 is formed;

laying through reinforcing steel bars 6 in the V-shaped groove openings 4;

lay the superimposed sheet reinforcing bar 3 in the superimposed sheet 2, then use the superimposed sheet reinforcing bar as the skeleton concreting, form the superimposed sheet.

The laminated layer steel bars 3 are effectively connected with the through steel bars 6 through the connecting steel bars 5;

and (3) plugging and pouring the V-shaped groove opening 4 by adopting cement mortar or fine stone concrete to form a crack pouring layer 7.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (7)

1. A double-T-plate rigid splicing seam structure is characterized by comprising at least two double-T plates, wherein both ends of each double-T plate are provided with single-side grooves, the end surfaces of the adjacent double-T plates form V-shaped notches, and through reinforcing steel bars are arranged in the V-shaped notches;

the upper end surfaces of the double T-shaped plates are provided with superposed layers, and superposed layer steel bars are arranged in the superposed layers; the overlapped layer is of an integral structure and is arranged across the V-shaped groove opening;

the through steel bars are connected with the superposed layer steel bars positioned above the through steel bars through connecting steel bars;

and a crack pouring layer is arranged in the V-shaped notch.

2. The double-T plate rigid splicing structure of claim 1, wherein the crack pouring layer is a cement mortar layer or a fine stone concrete layer.

3. The double-T plate rigid patchwork structure of claim 1 wherein the laminated layer is a concrete layer.

4. The rigid splicing structure of a double T-shaped plate according to claim 1, wherein the through steel bars and the V-shaped notches extend in the same direction.

5. The double-T rigid patchwork structure of claim 1, wherein the thickness of the overlapping layer is greater than 40 mm.

6. The double-T plate rigid splicing and sewing structure of claim 1, wherein the number of the overlapped layer steel bars is multiple, and the multiple overlapped layer steel bars form a steel mesh structure.

7. The double-T rigid patchwork structure of claim 1, wherein the V-notch has an upper end opening diameter greater than a lower end opening diameter.