CN216810690U

CN216810690U - Ceramsite concrete light stair

Info

Publication number: CN216810690U
Application number: CN202123325586.3U
Authority: CN
Inventors: 匡鹏霖; 戴锦玉; 黎稚如; 言荣鉴
Original assignee: Hunan Jiangong Wujian Building Industrialization Co ltd
Current assignee: Hunan Jiangong Wujian Building Industrialization Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-24
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a ceramsite concrete light stair which comprises a stair plate and a plurality of hollow steps connected to the stair plate, wherein the stair plate and the hollow steps are both formed by pouring ceramsite concrete, the hollow steps are in a step shape formed by connecting a tread panel and a skirt panel perpendicular to the tread panel, and the tread panel, the skirt panel and the stair plate are connected to form a hollow part with a triangular cross section. The stair steps are designed to be hollow and are formed by pouring ceramsite concrete, so that the weight of the stair is effectively reduced, the stair is convenient to transport and install, the site construction risk is reduced, and the construction efficiency is improved.

Description

Ceramsite concrete light stair

Technical Field

The utility model relates to the technical field of assembly type buildings, in particular to a ceramsite concrete light stair.

Background

The assembly type building is more and more widely applied in the field of building engineering in China from factories, bridges, houses to high-rise buildings, and has obvious benefits in the aspects of environmental protection, safety, quality and the like. As an important vertical connecting component in a building, the prefabricated staircase is transported to a site for splicing and connecting after being industrially produced and processed, so that the difficulty in formwork erection and pouring in site construction can be effectively reduced, floating dust brought by site operation is reduced, and greater benefit is created by less manpower, so that the prefabricated staircase is widely applied. However, because the stair structure is complicated, the prefabricated stair is also one of the components with the largest self weight in the fabricated building, and is often the difficult point of transportation and installation, and the components need to use large-scale transportation equipment and large-tonnage hoisting equipment, so that not only is the construction cost increased, but also the construction risk on site is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides the ceramsite concrete light stair which is formed by hollowing the stair steps and pouring ceramsite concrete, so that the weight of the stair is effectively reduced, the stair is convenient to transport and install, the site construction risk is reduced, and the construction efficiency is improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a haydite concrete light stair, include the step and connect in a plurality of fretworks on the step are marked time, the step with the fretwork is marked time and is all adopted haydite concrete casting shaping, the fretwork is marked time by tread panel and perpendicular to the tread panel connects the component step form that the tread panel set up, the tread panel with the step is connected the component cross-section and is triangle-shaped's fretwork.

As a further improvement of the above technical solution:

the ladder plate, the tread panel and the kicking panel are all internally provided with steel reinforcement frameworks.

The ladder plate, the tread panel and the steel reinforcement framework in the skirt panel are connected with each other.

The ceramsite concrete light stair is provided with four connecting parts for hoisting.

The step board is still including setting up in the last halfpace on top and setting up in the lower halfpace of bottom.

The tread panel that is located the fretwork is marked time on the step top with go up the terrace upper surface parallel and level, be located the step bottom the tread panel that the fretwork was marked time with it is perpendicular to lower terrace upper surface.

Go up the halfpace and all be equipped with the installation locating hole that is used for passing the setting element and fixes a position down the halfpace.

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

the ceramsite concrete light stair disclosed by the utility model is composed of a stair plate and a plurality of hollowed steps connected to the stair plate, and the steps are arranged in a hollowed form, so that the concrete volume of the steps can be effectively reduced, the consumption of concrete is reduced, the purpose of reducing the weight of the stair is achieved, the stair transportation and installation are facilitated, large transportation equipment and large hoisting equipment are not needed in the construction process, the construction cost is reduced, the construction risk on the site is also reduced, the light stair is a prefabricated stair, the on-site wet operation is reduced, the stair construction process is simplified, and the construction efficiency is effectively improved; the stair boards and the hollow steps are both formed by pouring ceramsite concrete, the light high-strength characteristic of the ceramsite concrete is utilized to replace common concrete, the dead weight of the concrete is reduced to the greatest extent under the condition that the strength of the stair is not changed, and the ceramsite concrete can effectively improve the anti-seismic performance of the stair.

Drawings

Fig. 1 is a schematic view of a ceramsite concrete light stair.

Fig. 2 is a schematic top view of the ceramsite concrete lightweight stairway.

Illustration of the drawings:

1. a step plate; 101. a connecting member; 102. installing a positioning hole; 2. hollowing out and marking; 21. a tread panel; 22. a riser panel; 3. going up a ladder bed; 4. and (5) descending the landing.

Detailed Description

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

As shown in fig. 1 and 2, the ceramsite concrete lightweight stair of the embodiment includes a stair plate 1 and a plurality of hollow steps 2 connected to the stair plate 1, and both the stair plate 1 and the hollow steps 2 are formed by pouring ceramsite concrete. The ceramsite concrete light stair is composed of a stair plate 1 and a plurality of hollowed steps 2 connected to the stair plate 1, the concrete volume of the steps can be effectively reduced by setting the steps to be hollowed, so that the using amount of concrete is reduced, the purpose of reducing the weight of the stair is achieved, stair transportation and installation are facilitated, large transportation equipment and large hoisting equipment are not needed in the construction process, the construction cost is reduced, the construction risk on the site is also reduced, the light stair is a prefabricated stair, the wet operation on the site is reduced, the stair construction flow is simplified, and the construction efficiency is effectively improved; the stair boards 1 and the hollow steps 2 are both formed by pouring ceramsite concrete, the light high-strength characteristic of the ceramsite concrete is utilized to replace common concrete, the dead weight of the concrete is reduced to the maximum extent under the condition that the strength of the stair is not changed, and the ceramsite concrete can effectively improve the anti-seismic performance of the stair. In this embodiment, the ceramsite concrete selected is ceramsite concrete LC30, and the volume weight is 1800kg/m³The replacing volume weight of the ceramsite concrete LC30 is 2400kg/m³The common concrete can reduce the dead weight of the concrete to the maximum degree under the condition that the strength grade is still 30 MPa.

In this embodiment, the hollow step 2 is formed by connecting a tread panel 21 and a kick panel 22 perpendicular to the tread panel 21 to form a step shape, and the tread panel 21 and the kick panel 22 are connected with the step 1 to form a hollow with a triangular cross section. In this embodiment, the tread panel 21 and the skirt panel 22 are connected with the stair board 1 to form a hollow with a triangular cross section, and the tread panel 21 and the skirt panel 22 are stressed, so that the integral structure is simple, the stability is good, and the reliability is high.

In this embodiment, the steel reinforcement frames are disposed in the ladder board 1, the tread panel 21 and the kick panel 22. In this embodiment, the reinforcing steel frameworks are arranged in the stair tread 1, the tread panel 21 and the kick panel 22, so that the stress strength of the stair tread 1, the tread panel 21 and the kick panel 22 can be enhanced, and the bearing capacity of the light stair is further improved.

Preferably, the cages of the ladder 1, tread panels 21 and riser panels 22 are interconnected. The strength and the bearing capacity can be ensured to be improved. More preferably, the cages of reinforcement in tread panel 21 and kick panel 22 are arranged perpendicular to each other and are connected by a plurality of connection points.

In this embodiment, the ceramsite concrete lightweight stair is provided with four connecting parts 101 for hoisting. Is convenient for connection and hoisting.

In this embodiment, preferably, the step 1 further includes an upper step 3 disposed at the top end and a lower step 4 disposed at the bottom end. In this embodiment, through set up halfpace 3 on the top of halfpace 1, set up halfpace 4 down in the bottom of halfpace 1, do benefit to the overlap joint of stair node position and floor, simple structure easily assembles, can effectively improve the efficiency of construction.

In this embodiment, preferably, the tread panel 21 of the hollow step 2 located at the top end of the step 1 is flush with the upper surface of the upper step 3, and the tread panel 22 of the hollow step 2 located at the bottom end of the step 1 is perpendicular to the upper surface of the lower step 4. In this embodiment, the fretwork on 1 top of step board is marked time 2 tread panel 21 and is gone up 3 upper surface parallel and level of halfpace, the fretwork of 1 bottom of step board is marked time 2 tread panel 22 and is gone up 4 upper surface vertical of halfpace down, the characteristic that utilizes tread panel 21 level to set up is connected with last halfpace 3, the characteristics that utilize the vertical setting of tread panel 22 are connected with halfpace 4 down, the fretwork of the node position department of being convenient for is marked time 2 and is gone up halfpace 3 and down halfpace 4 be connected, and the steam generator is simple in structure, easily assembly forming's advantage.

In this embodiment, it is preferable that the upper step 3 and the lower step 4 are provided with mounting positioning holes 102 for passing through the positioning members for positioning. Positioning pieces such as positioning pins and screws are conveniently adopted to penetrate through the mounting positioning holes 102 to position the upper ladder platform 3 and the lower ladder platform 4 at mounting positions during mounting, and the mounting stability and reliability are guaranteed.

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-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the utility model are to be considered as within the scope of the utility model.

Claims

1. The utility model provides a haydite concrete light stair, its characterized in that, include step (1) and connect in a plurality of fretworks on step (2) of step (1), step (1) with step (2) of fretwork all adopt haydite concrete casting shaping, step (2) are marked time by the fretwork by tread panel (21) and perpendicular to skirting panel (22) that tread panel (21) set up are connected and are constituted the step form, tread panel (21) with skirting panel (22) with step (1) is connected and is constituted the fretwork that the cross-section is triangle-shaped.

2. Ceramsite concrete lightweight stair according to claim 1, wherein a steel reinforcement framework is arranged in each of the stair tread (1), the tread panel (21) and the skirt panel (22).

3. Ceramsite concrete lightweight staircase according to claim 2, characterized in that the steel frameworks in the tread (1), tread panel (21) and riser panel (22) are interconnected.

4. Ceramsite concrete lightweight stair according to claim 1, wherein the ceramsite concrete lightweight stair is provided with four connecting parts (101) for hoisting.

5. Ceramsite concrete lightweight staircase according to any of the claims 1-4, wherein the stair treads (1) further comprise an upper landing (3) arranged at the top end and a lower landing (4) arranged at the bottom end.

6. A ceramsite concrete light stair according to claim 5, wherein a tread panel (21) of the hollow step (2) at the top end of the stair plate (1) is flush with the upper surface of the upper stair platform (3), and a riser panel (22) of the hollow step (2) at the bottom end of the stair plate (1) is perpendicular to the upper surface of the lower stair platform (4).

7. A ceramsite concrete light stair according to claim 5, wherein the upper step (3) and the lower step (4) are provided with installation positioning holes (102) for positioning through positioning pieces.