CN216766589U

CN216766589U - Stair flight plate structure and stair structure

Info

Publication number: CN216766589U
Application number: CN202220188483.2U
Authority: CN
Inventors: 陈诚; 吴宁; 王东杰; 刘阿锋; 姜化强; 李明超; 鲍先锋; 刘鹏; 白泽利; 李白; 陈绍龙; 丁璐; 刘月; 王志东; 赵刚
Original assignee: China State Railway Investment Construction Group Co Ltd; China Construction Third Bureau Urban Construction Co Ltd; China Construction Third Bureau Construction Engineering Co Ltd
Current assignee: China State Railway Investment Construction Group Co Ltd; China Construction Third Bureau Urban Construction Co Ltd; China Construction Third Bureau Group Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-17
Anticipated expiration: 2032-01-24

Abstract

The application relates to the technical field of building construction, provides a stair tread structure and stair structure, include: a bench plate body; the transverse gluten is respectively arranged on the tread surface of the stair section plate body and is provided with an overhanging end extending out of the side end of the stair section plate body, and the overhanging end is used for being connected with a wall body arranged at the side end of the stair section plate body in an anchoring manner; the longitudinal bottom rib is arranged below the overhanging end of the transverse gluten and is bound and connected with the overhanging end of the transverse gluten to form a reinforcing mesh piece; and the bench slab concrete finish coat is used for at least covering a plurality of transverse gluten so as to enable the reinforcing mesh to be connected with the bench slab body into an integral structure. The utility model has the beneficial effects that: through making reinforcing bar net piece and bench board body coupling be overall structure, the structure is more stable, and bench board body atress is even, and the quality is guaranteed, need not to chisel the wall body, has improved the efficiency of construction, has shortened the time limit for a project, and environmental pollution is little.

Description

Stair flight plate structure and stair structure

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a stair flight plate structure and a stair structure.

Background

At present, in the stair structure work progress, especially during stair bench plate construction, there is long and narrow gap easily between bench plate side and the building outer wall, needs the shutoff. Conventionally, the outer masonry wall at the bench is removed to provide a working surface for the bar planting at the end of the bench. Because the side end of the stair section plate needs to be subjected to bar planting operation, the masonry outer wall needs to be subjected to dismantling operation, so that the construction period is long, the construction cost is high, and the environmental pollution is large. In addition, the bar planting mode is not convenient for form the integral support, and the side end of the ladder section plate is stressed unevenly, so that the sedimentation risk is easy to occur.

SUMMERY OF THE UTILITY MODEL

To the problem among the above-mentioned prior art, this application has provided a stair section board structure and stair structure, has solved current stair section board and has adopted the mode that side embedded bar and outer wall are connected, has the construction period long, the problem that the quality is difficult to guarantee.

In a first aspect, the present invention provides a stair tread structure, comprising:

a bench plate body;

the transverse gluten is respectively arranged on the tread surface of the stair section plate body and is provided with an overhanging end extending out of the side end of the stair section plate body, and the overhanging end is used for being connected with a wall body arranged at the side end of the stair section plate body in an anchoring manner;

the longitudinal bottom rib is arranged below the overhanging end of the transverse gluten along the length direction of the ladder section plate body, and the longitudinal bottom rib is bound and connected with the overhanging end of the transverse gluten to form a reinforcing mesh; and

bench board concrete finish coat sets up the surface of bench board body is used for covering at least a plurality of horizontal gluten, so that the reinforcing bar net piece with this body coupling of bench board is overall structure.

Further, stair bench plate structure still includes net piece concrete layer, sets up the side of bench plate body, and the parcel reinforcing bar net piece.

Further, the mesh concrete layer is connected with the bench plate concrete veneer layer into an integral structure.

Further, each tread of the stair section plate body is provided with at least one transverse gluten.

In a second aspect, the present invention further provides a stair structure, including the stair flight plate structure provided in the first aspect, and further including a landing plate disposed at an end of the stair flight plate body in the length direction, and connected to the stair flight plate body.

Further, the surface of stair platform board still is provided with platform board concrete finish coat, platform board concrete finish coat with bench board concrete finish coat is connected structure as an organic whole.

Further, the stair structure further comprises a frame boundary beam, and the frame boundary beam is connected with the stair platform plate.

Further, the longitudinal bottom ribs are connected with the stair platform plate or the frame side beams.

Further, still include the wall body, the frame boundary beam with wall body connection, the wall body sets up the side of bench board body, and with the bench board body keeps the interval.

The utility model has the beneficial effects that: through laying horizontal gluten on the bench board body, and the vertical end muscle of ligature on horizontal gluten, constitute the reinforcing bar net piece that sets up between bench board body and wall body, and set up bench board concrete finish coat and cover horizontal area, make reinforcing bar net piece and bench board body coupling be overall structure, the structure is more stable, bench board body atress is even, the quality is guaranteed, need not to chisel the wall body, construction efficiency is improved, the time limit for a project has been shortened, environmental pollution is little.

Drawings

Fig. 1 is a schematic top view of the stair structure of the present invention.

FIG. 2 is a schematic sectional view A-A of FIG. 1.

In the figure, 1-wall; 2-lower frame boundary beam; 3-transverse gluten; 4-a bench plate body; 5-reinforcing mesh; 6-longitudinal bottom ribs; 7-upper frame boundary beam; 8-a bench slab concrete finishing layer; 9-stair landing slab; 10-platform plate concrete finishing layer.

Detailed Description

The utility model is described in further detail below with reference to figures 1 to 2 and the specific embodiments.

A stair construction as shown in figures 1 and 2 comprises a stair flight structure, a landing slab 9, frame stringers and a wall 1.

Stair section plate structure includes ladder section board body 4, reinforcing bar net piece 5, ladder section board concrete finish coat 8 and net piece concrete layer.

The steel bar net 5 comprises a plurality of transverse gluten 3 and a longitudinal bottom rib 6.

A plurality of horizontal gluten 3 set up respectively on the tread of bench plate body 4, and horizontal gluten 3 has the end of encorbelmenting outside stretching out to the side of bench plate body 4, the end of encorbelmenting be used for with set up 1 anchor connections of wall body at the side of bench plate body 4.

Vertical end muscle 6 sets up in the below of the end of encorbelmenting of horizontal gluten 3 along the length direction of bench board body 4, and vertical end muscle 6 constitutes reinforcing bar net piece 5 with the end of encorbelmenting of horizontal gluten 3 binding connection.

Bench board concrete finish coat 8 sets up on the surface of bench board body 4 for at least, cover a plurality of horizontal gluten 3, so that reinforcing bar net piece 5 is connected as overall structure with bench board body 4.

The net piece concrete layer sets up the side at bench board body 4, and wraps up reinforcing bar net piece 5. Although the mesh concrete layer is not illustrated in the drawings, it is easy for those skilled in the art to pour concrete capable of wrapping the steel mesh 5 to form the mesh concrete layer, and the illustration is not intended to influence the implementation of the scheme.

In one embodiment, be provided with the steel mesh piece on the horizontal gluten 3 that is located on the tread, the steel mesh piece is welded with horizontal gluten 3, and the steel mesh piece sets up on the tread, when carrying out the construction of pouring of bench board concrete finish coat 8, the steel mesh piece is also wrapped up by bench board concrete finish coat, has improved horizontal gluten 3 and the connection effect and the structural strength of bench board concrete finish coat 8.

Through the reinforced concrete structure that forms behind net piece concrete layer and the reinforcing bar net piece combination, make whole and wall body 1 connection of bench board body 4, it is even to connect, and junction point intensity is high, is difficult for subsiding the deformation, and the security quality is guaranteed, and especially the construction is simple, need not to demolish the construction to wall body 1, compares current structure, very big shortening construction cycle.

In one embodiment, the mesh concrete layer is connected with the bench board concrete veneer layer 8 into an integral structure. Preferably, the mesh concrete layer and the bench board concrete decorative surface layer 8 are constructed synchronously.

In one embodiment, each tread surface of the flight plate body 4 is provided with at least one transverse gluten 3. For example, be provided with two horizontal gluten 3 on every tread of bench board body 4, two horizontal gluten 3 on the tread keep the interval along the width direction of tread, and every horizontal gluten 3 on the tread sets up along the length direction of tread.

Landing slab 9 sets up the tip at the length direction of bench board body 4, and is connected with bench board body 4. Stair tread 9 includes upper landing slab and lower landing slab, and the upper landing slab setting is in the upper end of bench board body 4, and the lower landing slab setting is at the lower extreme of bench board body 4, and the structure that this kind of stair tread and bench board body 4 are connected belongs to current stair structure, no longer specifically prescribes a limit to. For example, the upper landing slab is connected with the upper end of bench board body 4, and is located same level, and the lower landing slab is connected with the lower extreme of bench board body 4, and is located same level.

The surface of stair platform board 9 still is provided with platform board concrete finish coat 10, and platform board concrete finish coat 10 is connected structure as an organic whole with bench board concrete finish coat 8.

In one embodiment, the platform panel concrete finishing layer 10, the mesh concrete layer and the bench panel concrete finishing layer 8 are all connected into a whole structure. For example, after reinforcing bar net piece 5 sets up the completion, prop up and establish the template, at the surface of landing slab 9, the surface of bench board body 4 and reinforcing bar net piece 5 department concrete of pouring in step, form the platform board concrete finish coat 10, net piece concrete layer and the bench board concrete finish coat 8 of connecting structure as an organic whole.

The frame edge beams are connected to the landing decks 9. The longitudinal bottom ribs 6 are connected to the landing decks 9 or to the frame edge beams. Frame boundary beam and wall body 1 are connected, and wall body 1 sets up the side at bench board body 4, and keeps the interval with bench board body 4, and this interval is used for setting up reinforcing bar net piece 5 promptly, and reinforcing bar net piece 5's horizontal gluten 3 partly sets up on the tread of bench board body 4.

The frame boundary beam includes an upper layer frame boundary beam 7 and a lower layer frame boundary beam 2 corresponding to the upper deck plate and the lower deck plate. For example, the upper deck and the upper frame boundary beam 7 are arranged on a first horizontal plane at the same horizontal height, the lower frame boundary beam 2 and the lower deck are arranged on a second horizontal plane at the same horizontal height, and the height difference between the first horizontal plane and the second horizontal plane is the height difference between the upper end and the lower end of the stair plate body 4.

In one embodiment, the wall 1 is provided with an anchoring hole corresponding to the position of the transverse gluten 3, one end of the transverse gluten 3 is inserted into the anchoring hole, and the other end of the transverse gluten 3 is overlapped on the tread of the stair board body 4. And the mesh concrete layer is poured into the anchoring hole. In one embodiment, the anchoring hole on the wall 1 is set to a height higher than the tread surface where the transverse gluten 3 corresponding to the anchoring hole is located, so as to facilitate the drilling construction and the insertion construction of the transverse gluten 3.

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 utility model may be made by those skilled in the art without departing from the principle of the utility model.

Claims

1. A stair tread structure, comprising:

a bench plate body;

the longitudinal bottom rib is arranged below the overhanging end of the transverse gluten along the length direction of the ladder section plate body and is bound and connected with the overhanging end of the transverse gluten to form a reinforcing mesh; and

2. The stair flight plate structure of claim 1, further comprising a mesh concrete layer disposed at a lateral end of the flight plate body and wrapping the mesh of steel bars.

3. A stair flight plate structure as claimed in claim 2, wherein the mesh concrete layer is integrally connected to the flight plate concrete facing layer.

4. A stair flight plate structure according to claim 1, wherein at least one transverse gluten is provided on each tread of the flight plate body.

5. A stair construction comprising the stair flight structure of claim 1, further comprising a landing plate disposed at a lengthwise end of the flight plate body and connected to the flight plate body.

6. The stair structure of claim 5 wherein the landing slab further comprises a concrete facing layer on the surface of the landing slab, the concrete facing layer being integrally connected to the concrete facing layer of the bench slab.

7. The stair structure of claim 5 further comprising a frame stringer coupled to the stair platform panel.

8. A stair construction according to claim 7, wherein the longitudinal bottom ribs are connected to the landing floor or to the frame stringers.

9. The stair structure of claim 7 further comprising a wall, wherein the frame stringers are attached to the wall, and wherein the wall is disposed at a lateral end of the flight panel body and spaced apart from the flight panel body.