KR20030027558A - Prefabricated form for stair hall - Google Patents

Abstract

PURPOSE: A prefabricated form for a stair hall is provided to make precise construction possible, to shorten the period of construction and to improve the quality of construction and economical efficiency. CONSTITUTION: The prefabricated form for a stair hall contains: a wall form(10) and formed in a combination structure by arranging many unit panels vertically and horizontally, and the unit panel comprises upper panels(10a,10b,10c,10d,10e,10f,10g), inclined panels(10h,10i,10j,10k) connected from an incline of a stair hall to the lower side of the upper panels(10b,10c,10d,10e,10f,10g), and lower panels(10l,10m,10n,10o,10p,10q) arranged horizontally on the lower side of a stair hall, and each panel is coupled by a pair of wedge couplers(11); and a stair form composed of many frames deciding the height of stairs, an upper plate functioning as steps on each frame, and a side plate supporting one side of the upper plate.

Description

Prefabricated form for stair hall}

The present invention relates to a prefabricated formwork for staircases, and more particularly, after assigning a serial number to each panel, employing the wall formwork of the assembly method according to the serial number to facilitate the installation work of the wall formwork on the site simply and easily. By providing prefabricated formwork for staircases, it is easy to precisely form and dismantle the formwork, so that it is possible to shorten the air and improve the construction quality, and it is possible to repeat use after one installation, so it is more economical than conventional wooden formwork. It relates to prefabricated formwork for staircases superior in aspect.

In general, when constructing an apartment or the like, a staircase room, which is a passage connecting each floor, is formed. Such a staircase is assembled with formwork in accordance with a desired step shape, and then concrete is poured into it, and the poured concrete is hardened. After removing the formwork, railings are installed on one side to complete the staircase.

In the recent construction method, it is common to install the formwork so that it is integrated without constructing stairs and walls separately when constructing a building, and then install concrete by installing the formwork wall formwork for the staircase After the stair formwork is installed, concrete is poured into the inside of the wall formwork and concrete enters the formwork through the wall formwork. You can finish the stairs by finishing the work, finishing the stairs and installing a railing on the stairs.

However, the existing formwork for staircases above, especially the wall formwork, is made of plywood and lumber with nails, so it requires a lot of hands such as nails or pull-outs during installation and dismantling work. In addition, since the formwork must be manufactured and installed in accordance with the overall size and area at the site, the work is very inconvenient and difficult to meet the exact specifications, resulting in an uneven finish of the finished wall. There are inefficient and uneconomical problems associated with the manufacture of new formwork because only two or three times can be reused for reasons.

Therefore, the present invention has been devised in view of the above, when constructing a staircase connecting the floors and floors during the construction of the building, each using a prefabricated formwork combined with each panel after the serial number assigned to each site By assembling or disassembling the panels in order to perform the installation and dismantling of the formwork, it is easy to install and dismantle the formwork, thereby improving workability, and precise construction is possible according to the standardization of the formwork. Its purpose is to provide a prefabricated formwork for staircases that can be used repeatedly and economically, and ultimately reduce the cost and cost of building construction.

1 is a perspective view showing the installation of the wall formwork in the prefabricated formwork for the staircase according to the present invention

Figure 2 is a perspective view showing the installation of the stair formwork in the prefabricated formwork for the staircase according to the present invention

Figure 3 is a perspective view showing the components of the wall formwork in the prefabricated formwork for the staircase according to the present invention

<Explanation of symbols for main parts of drawing>

10: wall formwork 10a to 10g: top panel

10h to 10k: inclined panel 10l to 10q: lower panel

11: wedge-shaped fastener 12: steel frame

13 steel support 14 plate

15a, 15b: Connecting rod 16: Wood

17: fastening hole 20: stair formwork

21: frame 22: top plate

23: side plate 24: lower plate body

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention provides a staircase formwork including a wall formwork 10 and a stair formwork 20, the wall formwork 10 is made of a combination structure in which a plurality of unit panels are connected in a vertical and horizontal direction, respectively, It is characterized in that the assembly and disassembly of the possible.

In particular, the plurality of panels may include upper first panels 10a to upper seventh panels 10g disposed horizontally in contact with the stair formwork 20 and upper sections at the inclined portion of the step formwork 20. The inclined portion first panel 10h to the inclined portion fourth panel 10k disposed to be connected to the lower side of the first panel 10a to the upper seventh panel 10g and horizontally connected at the bottom of the step form 20. It is characterized by consisting of the lower first panel (10l) to the lower sixth panel (10q).

In addition, each of the panels is characterized by being coupled by a pair of wedge-shaped fasteners 11 using the surfaces in contact with each other.

In addition, the panel is in the form of a unit form consisting of a steel frame (12) and a steel angle support (13) therein and a steel or wood plate (14) finishing one side of the steel frame (12). Characterized in that consisting of.

In addition, at each lower end of the inclined portion first panel 10h to the inclined fourth panel 10k and at least one panel lower end of the upper first panel 10a to the upper seventh panel 10g, a stepping formwork ( It is characterized in that the connecting table (15a) for fastening the frame 21 of the 20 is provided.

In addition, each upper end of the lower first panel (10l) to the lower sixth panel (10q) is characterized in that it is provided with a wood box for nailing such as nails.

This will be described in more detail as follows.

1 and 3 show the configuration of the wall formwork according to the present invention.

As shown in Figures 1 and 3, the wall formwork 10 is a formwork forming one wall of the staircase together with the stair formwork 20, a structure in which several unit panels are connected to each other and integrally combined. Is done.

Each panel has a substantially rectangular steel frame 12, an angle-shaped steel support 13 to be reinforced in the horizontal or longitudinal direction from the inside of the steel frame 12, and one side of the steel frame 12 It consists of one standardized unit form consisting of steel or wood plate 14 to finish the, each unit form is provided with a plurality of fastening holes 17 for the coupling between each other using a steel frame 12 have.

In order to form a staircase, at least seven upper first panels 10a to 7g constituting the upper wall of the staircase and at least four inclined first panels constituting the inclined wall of the staircase ( 10h) to the inclined portion fourth panel 10k and at least six lower first panels 10l to lower sixth panel 10q constituting the lower wall of the staircase.

The upper first panel 10a to the upper seventh panel 10g are arranged side by side and are integrally coupled by the wedge-shaped fasteners 11 in a state in which they face each other. A direct connection with the formwork (not shown) is arranged below and a slope panel for the staircase slope wall is connected.

In addition, if necessary, a plurality of upper panels adjacent to the tip member on the inclined panel side among the upper first panel 10a to the upper seventh panel 10g may be used to connect the frame 21 of the stair formwork 20. The connecting table 15a can be provided.

The upper first panel 10a to the upper seventh panel 10g may be assigned a serial number for each in the design stage, and when the formwork is installed, the operations may be performed in the order of the serial number. Convenient work can be performed.

The size or quantity of the upper first panel 10a to the upper seventh panel 10g may vary according to the design specification of the staircase room, but basically the method of combining the panels in the order of serial numbers is not largely changed.

The inclined portion first panel 10h to the inclined portion fourth panel 10k correspond to the bottom of the upper panel one-to-one and are arranged in the same direction, and fastening holes 17 of each panel have the same as the upper panel. Through the wedge-shaped fasteners 11 are integrally coupled through.

A serial number may be assigned to the inclined panel as well, and formwork may be performed by the sequence of the serial number as in the upper panel.

In particular, each lower end of the inclined panel is provided with a connecting table 15a for connecting the frame 21 of the step formwork 20, the connecting table 15a and the connecting table 15b on the side plate 23 to be described later. The frame 21 can be coupled between.

The lower first panel 10l to the lower sixth panel 10q are arranged side by side at the bottom of the upper panel and the inclined panel, and also have a fastening hole 17 and a pair of wedge-shaped fasteners (each) of each panel ( It is integrally coupled by 11), and the panel having the most inclined top is used to form a substantial step with the inclined panel.

At this time, the lower panel can secure a space occupied by the stairs by maintaining a predetermined distance from the inclined panel.

In particular, the upper end of each panel constituting the lower panel is integrally mounted with a lumber 16, the use of nails when installing the lower plate 24 of the stair formwork 20 using the lumber 16 at this time It is possible to facilitate the installation work of the lower plate body.

Figure 2 shows the configuration of the stair formwork according to the present invention.

As shown in FIG. 2, the stair formwork 20 includes a plurality of frames 21 for determining the height of the staircase, a top plate 22 serving as a stepping plate on each frame 21, and a wall formwork ( 10) together with the frame 21 and the side plate 23 that serves to support one side of the top plate (22).

In order to fasten the frame 21, the side plate 23 is provided with a connecting table 15b, and the frame 21 can be fastened and fixed between the connecting table 15a in the inclined panel and the like.

On the other hand, the method of installing the staircase formwork using the wall formwork and the stair formwork of the present invention configured as described above is as follows.

The staircase formwork for the construction of the staircase room is installed together when installing the formwork at the construction of the building. First, the wall formwork is formed to form the wall, and the stair formwork is continuously installed to form the stairs.

The wall formwork uses prefabricated formwork prefabricated according to the pre-design, and is installed by assembling at least seven top panels, four inclined panels, and six bottom panels according to the sequence number in the drawing. In addition, it is easy to work and accurate assembly is possible according to the standardization of the panel, so the precision related to the formwork installation can be increased.

In addition, the fastening means used in each panel connection work using a pair of wedge-shaped fasteners, it is possible to facilitate the panel assembly as well as dismantling the panel after construction.

After the wall formwork is installed, the stair formwork is installed. First, the lower plate including reinforcing bars is inclined, and then the side plate is installed outside the wall formwork, and the frame and the upper plate are assembled using the connecting rods on both sides. Once the wall formwork is installed.

When the wall formwork and the stair formwork are installed in this way, concrete is poured through the wall formwork.When concrete is injected into the wall formwork, the concrete is filled up to the step formwork through the wall formwork, and then continues throughout the wall formwork. After all the concrete is filled, the concrete is hardened and the formwork is removed by removing the formwork. The stairs and walls are completed as a post-work for the construction of the staircase.

Therefore, the prefabricated formwork for the staircase of the present invention configured as described above can be combined integrally with the ceiling plywood without using a separate connection member, and at the same time, the cost can be greatly reduced through repeated installation and dismantling operations. As it is manufactured in combination of standardized panel, it is not deformed and is maintained vertically and horizontally so that the surface of connecting joint can be smoothly installed. It is compatible with existing formwork panels for walls and can be used for other purposes. Overall construction, such as improving the bonding force between the wall formwork panel and the ceiling plywood, and improving the straightness of the joining part of the wall formwork panel, improving the quality of the wall where the concrete wall and ceiling meet and reducing the cost of post-work. The cost can be reduced.

As described above, the prefabricated formwork for the staircase of the present invention is capable of producing a detailed and standardized panel form by drawing according to the design (CAD), and is precisely manufactured and distributed to the factory so that the standard, horizontal, vertical and flatness are perfect. As it is easy to dismantle as well as precise construction, it is possible to shorten the air and improve the construction quality. Above all, it can be used repeatedly after installation once, so it has the advantage that it can have superior economical efficiency compared to the conventional one-piece formwork. .

Claims (6)

In the formwork for the staircase room including the wall formwork 10 and the stair formwork 20, the wall formwork 10 is composed of a combination structure in which a plurality of unit panels are connected in a vertical and horizontal direction, each assembly and Prefabricated formwork for staircases characterized in that the disassembly is possible. The method of claim 1, wherein the plurality of panels are inclined to the upper first panel (10a) to the upper seventh panel (10g) and horizontally arranged in the upper portion of the stair formwork 20, the inclined formwork The inclined portion first panel 10h to the inclined portion fourth panel 10k disposed to be connected to the lower portion of the upper first panel 10a to the upper seventh panel 10g at the bottom, and the bottom of the step form 20. Prefabricated formwork for the staircase room, characterized in that consisting of a lower first panel (10l) to the lower sixth panel (10q) arranged in a horizontal connection. 3. The prefabricated formwork as set forth in claim 1 or 2, wherein each panel is joined by a pair of wedge-shaped fasteners (11) using surfaces that are in contact with each other. 3. The panel according to claim 1 or 2, wherein the panel consists of a steel frame (12), an angled steel support (13) therein, and a steel or wood plate (14) for closing one side of the steel frame (12). Prefabricated formwork for the staircase characterized in that the unit is made in the form of a unit. 3. The lower panel of claim 2, wherein each of the lower ends of the inclined portion first panel 10h to the inclined fourth panel 10k and at least one of the upper first panel 10a to the upper seventh panel 10g. The prefabricated formwork for the staircase room is characterized in that the connecting table (15a) is provided for fastening the frame 21 of the stair formwork (20). 3. The prefabricated formwork according to claim 2, wherein each upper end of the lower first panel (10l) to the lower sixth panel (10q) is provided with a lumber (16) for stitching such as nails.