JPH06212808A - Structure and method of installing covering body for external curing - Google Patents

Abstract

PURPOSE:To install a sheet protecting a structure during construction easily and safely by covering the periphery of the structure during construction. CONSTITUTION:A plurality of unit frames 1 are connected in a freely folding manner in a scaffold frame B for bearing a sheet A. Annular shackles 13 are mounted on these unit frames 1. Wires 17 are inserted vertically to the shackles 13, thus arranging a plurality of the wires 17 to the scaffold frame B along the vertical direction. Both side edges of the sheet A are installed to these wires 17. The wires 17 are loosened and the sheet A is brought to a folded state under the state, in which the scaffold frame B is folded. The scaffold frame B under the folded state is set up on a construction field, and the upper end section of the scaffold frame B is hung up, thus stretching the sheet A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coating for external curing suitable for temporarily installing a coating for external curing at a construction site of a structure such as a high-rise building to prevent intrusion of wind and rain into the construction site. The present invention relates to a body installation structure and an installation method.

[0002]

2. Description of the Related Art In recent years, when constructing a structure such as a building, especially a high-rise building, as a method of performing the construction work without being affected by wind and rain, the skeleton of the top floor of the structure to be constructed is formed in advance. In addition, a construction method is used in which each member is assembled under the roof while pushing it up instead of the roof and the structures are piled up.

In the construction method of such a structure,
In order to prevent wind and rain from the side to the construction site below the top floor, a sheet-shaped external curing coating is hung vertically below the side surface of the top floor structure, and by this external curing coating, It covers the construction site below the top floor.

[0004] Conventionally, such an external curing coating body is provided with a frame for temporarily supporting the external curing coating body in order to withstand strong winds and the like below the side surface of the body of the uppermost floor,
An external curing coating was stretched over this frame. In this case, the frame that supports the external curing coating is formed by rigidly connecting a plurality of pipes.

[0005]

However, in the conventional installation work of the external curing coating as described above, the work of assembling and disassembling the frame and the operation of installing and removing the external curing coating on the frame are performed. However, since it is a complicated work at a high place, there is a problem that special consideration and skilled technology are required to ensure the safety of work. The present invention has been made in consideration of the above points, and an object thereof is to provide an installation structure and an installation method of an external curing coating that can easily and safely install and remove the external curing coating. To do.

[0006]

The structure for installing an external curing cover of the present invention is for installing a sheet-shaped external curing cover covering the periphery of a structure under construction when constructing the structure. A frame for supporting the external curing coating, at least two wires vertically supported by the frame, and an external curing coating having left and right side edges supported by the wire. It has a body and
The frame includes a plurality of unit frames divided in the vertical direction, the unit frames are foldably connected in the vertical direction, and the wire is inserted into an annular member attached to the unit frame to be attached to the frame. The supporting body is formed so that the outer curing cover and the frame are foldable so as to solve the above problems.

Further, the external curing coating installation method of the present invention is for installing a sheet-shaped external curing coating covering the periphery of the structure under construction when constructing the structure. A frame for supporting the outer curing coating around the structure is formed so as to be foldable from a plurality of unit frames connected in the vertical direction, an annular member is provided on the unit frame, and a wire is attached to the annular member. By inserting the plurality of wires into the frame so as to extend in the vertical direction at intervals with each other, by attaching both side edges of the outer curing cover to the wires, respectively, the outer curing cover To the frame, in a folded state of the frame to which the external curing coating is attached, after placing it around the construct under construction,
The above-mentioned problem was solved by assembling the frame by pulling up the upper end portion of the frame and tensioning the outer curing coating on the frame.

[0008]

According to the installation structure of the external curing cover having the above-described structure, the frame supporting the external curing cover can be folded in the vertical direction, and the external curing cover is vertically arranged on the frame. Since it is supported by the frame through the supported wire and is foldable together with the frame, the upper end of the folded frame is lifted by, for example, a crane or the like to assemble the frame, and thereby the outer curing cover. Can be stretched over the frame. Therefore, it is possible to easily install the frame at the construction site of the structure and to eliminate the work of stretching the outer curing cover at the construction site.

Further, according to the method for installing the outer-curing cover of the above structure, as described above, at the construction site, the upper end of the folded frame is pulled up to assemble the frame, and the outer-curing cover is also assembled. Since it is stretched over the frame, it is easy to install the frame and there is no need to perform the work of attaching the external curing coating to the frame at the construction site, which eliminates the complicated work at high places, The safety can be improved.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings. FIG. 1 shows a sheet-shaped outer curing cover (illustrated by phantom lines, hereinafter referred to as a sheet) A that is installed by using the installation structure and installation method of the outer curing cover of this embodiment.
2 to 6 show a scaffolding frame B for supporting the seat A, and FIG. 7 shows one process of stretching the scaffolding frame B.

As described above, the sheet A covers the periphery of a building under construction such as a high-rise building under construction and protects the building under construction and the construction work from wind and rain. Here, first, the scaffolding frame B that supports the seat A will be described. As shown in FIG. 1, the scaffolding frame B is configured by arranging a plurality of frame rows 2 in which a plurality of unit frames 1 ... Are connected in the vertical direction.

As shown in FIG. 2, in the unit frame 1, the pillars 3 and 3 made of steel pipes and the horizontal member 4 are connected in a gate shape to form a main frame 5, and the pillars 3 and 3 are formed. The reinforcing members 6 and 6 are connected between the lower end portion 3a and the horizontal member 4 in a C shape when viewed from the front. Further, a horizontal reinforcing member 7 is connected between the pedestal 3 and the reinforcing member 6.

The upper and lower ends 3b and 3a of the pedestal 3 are
Connection parts 8 and 8 are provided. The connecting portion 8 is the pedestal 3
It is composed of two connecting plates 9 and 9 fixed to each other at the upper end and the lower end thereof. This connecting plate 9, 9
As shown in FIGS. 3 and 4, is a metal plate having a substantially V-shaped appearance, and the connecting holes 1 are formed at the left and right end portions.
0 and 11 are formed. As shown in FIG. 4, the connecting plates 9 and 9 are formed such that a bent portion 9a is formed in an intermediate portion thereof, and one end side 9b and the other end side 9c extend in different planes, The bent portion 9a is welded and fixed to the pedestal 3.

The two connecting plates 9 and 9 are arranged so as to be symmetrical with respect to each other. The distance between the connecting plates 9, 9 is such that the outer diameter L1 on the connecting hole 10 side is different from the connecting hole 11
The inner dimension L2 on the side is larger.

As shown in FIG. 3, the frame row 2 includes the upper end side connecting portion 8 of the pedestal 3 of the lower unit frame 1 of the upper and lower unit frames 1 and the lower end of the upper unit frame 1. The side connecting portions 8 are combined by inserting the outer dimension L1 portion into the inner dimension L2 portion, and connecting pins (not shown) are inserted into the connection holes 10 and 11, respectively, so that the plurality of unit frames 1 ... It is designed to be connected.

The frame array 2 has the above-mentioned structure at each connection portion of the plurality of unit frames 1 ...
By inserting a connection pin (not shown) into only one of the connection hole 10 and the connection hole 11, the connection pin 10 can be folded. Then, the frame row 2 in which the connecting pin is inserted and folded only in one of the connecting holes 10 and 11
Is extended vertically, and the other connecting hole 1 of each connecting portion 8 ...
By inserting a connecting pin (not shown) into 0 and 11, the frame row 2 can be extended and fixed.

In the pedestal 3, which is the outer side when the scaffolding frame B of the pedestals 3 and 3 is installed in a structure, the nut 12 is a hole of the nut 12 in the upper end side connecting portion 8 of the pedestal 3. Are welded in a state of being perpendicular to the length direction of the pedestal 3. Further, a U-shaped shackle 13 is attached to the nut 12 by inserting a pin 13 a (shown in FIG. 3), which is attached by penetrating between both ends of the shackle 13, into a hole of the nut 12. There is. Therefore, the shackle 13 has an annular shape with both ends connected by the pin 13a.

FIG. 6 shows the pillar 3c of the unit frame 1 at the lower end of the frame row 2. In this pedestal 3c, two nuts 12 and 12 are welded to one pedestal 3c, and the shackles 13 and 13 are attached to the respective nuts 12 and 12 as described above.

In addition, at the upper end of the scaffold frame B, as shown in FIG.
As shown in, an upper support frame 14 is provided. The upper support frame 14 includes two channel-shaped first steel materials 14a, 14a arranged in parallel with each other at an interval substantially similar to the width of the unit frame 1, and these two first steel materials. 14a, a plurality of second steel materials 14b, which are welded at both ends and are arranged at equal intervals, and the second steel materials 14b.
The first steel material 14a and the third steel material 14c arranged along the first steel material 14a are mainly formed in the central part of the.

A plurality of frame rows 2 ... Are arranged at predetermined intervals at the lower end of the upper support frame 14 to form a scaffolding frame B. In addition, in the pillar 3 of the uppermost unit frame 1 of the frame row 2, ... It is pin-joined and can be folded in the same manner as the unit frames 1 and 1 are joined together,
And it can also be fixed.

As shown in FIG. 1, the first steel material 14
The mounting positions of the frame rows 2 in a, 14a correspond to the mounting positions of the second steel materials 14b. Further, horizontal plate members 15 and braces 16 are installed between the adjacent frame rows 2. In addition,
The horizontal plate plates 15 ... Can be walked on by the worker, and can be used as a scaffold.

A projecting piece 14d is provided on the side surface of the first steel material 14a on the outer surface side of the upper support frame 14 in correspondence with the mounting position of the frame rows 2. An insertion hole (not shown) is provided in the protruding piece 14d, and the shackle 13 is attached to the insertion hole.

Then, the shackle 13 attached to the projecting piece 14d provided on the upper support frame 14, the shackle 13 of every other unit frame 1 suspended from the upper support frame 14, and the lowermost end. One wire 17 is inserted through the two shackles 13, 13 of the unit frame 1 along the one frame row 2 and arranged vertically. Further, at the upper and lower ends of the wire 17, as shown in FIG. 6 (only the lower end of the wire is shown in FIG. 6), the wire 17 is folded back at the shackle 13. Then, the wire 17 which is doubled by being folded back by the shackle 13 is clipped by the clips 18, 18
It is fixed at.

Although the wire 17 is shown in FIG. 1 as a portion of the scaffolding frame B which is arranged in the frame row 2 on one side of the scaffolding frame B, the wire 17 is at least on each side of the scaffolding frame B. Must be placed in column 2. Further, the wires 17 are arranged in each frame row 2, ..., Every other or every two frame rows 2 ...
It may be configured to be placed in.

The left and right edges of the sheet A are attached to these wires 17. Sheet A
Has a rectangular shape. Then, the ropes 17a are provided at both left and right edges of the sheet A at equal intervals in a row along the vertical direction.
An insertion hole (not shown) for inserting (illustrated by an imaginary line in FIG. 1) is provided.

Then, the wire 17 is joined to the side edge portion of the sheet A by lacing the wire 17 in a zigzag manner between the insertion hole and the wire 17. Further, both side edges of the seat A are attached to and supported by the wires 17, respectively, so that the seat A is stretched on the outer surface of the scaffold frame B. In addition, when covering the outer surface of the scaffolding frame B, it is not always necessary to cover the scaffolding frame B with one sheet A, and the scaffolding frame B has a large number of wires 1.
7 may be arranged in the up-down direction, and the sheet A may be arranged between the wires 17. With the above-described seat A installation structure, when the scaffolding frame B is folded, the wire 17 is in a state in which the slacking sheet A is also folded, and when the scaffolding frame B is assembled, The seat A is stretched on the outer surface of the scaffold frame B assembled.

Next, a method of installing the seat A using the scaffold frame B will be described. First, in the connecting portion of the connected unit frames 1 of each frame row 2, connecting pins (not shown) are alternately inserted into only one of the connecting holes 10 and the connecting holes 11, and each unit frame 1 ...
The space between the scaffolding frames B is folded to leave the entire scaffolding frame B in a folded state. At this time, horizontal plate members 15 are installed between the adjacent frame rows 2 so that the frame rows 2 are positioned in parallel planes at predetermined intervals.

Further, since the wires 17 are inserted into the shackles 13 of the alternate unit frames 1 of the unit frames 1 connected vertically, the connecting portions of the unit frames 1 are folded. In this state, the sheet A is in a slackened state, and the sheet A supported by the wires 17 is in a state of being folded adjacent to one side of the folded scaffold frame B.

The scaffold frame B in the folded state with the sheet A folded as described above is carried into the construction site of the construction 20 (shown in FIG. 7). here,
A method of stretching the sheet A at the construction site will be described with reference to FIG. 7. The construction site shown in FIG. 7 is a construction method in which a skeleton of the uppermost floor 21 of the structure 20 to be constructed is formed in advance and the structure 20 is piled up and constructed under the roof while pushing the structure up. The sheet A is installed on the structure being constructed by using. In FIG. 7, reference numeral 22 is a projecting portion provided on the uppermost floor portion 21,
23 is a lifting device 2 for lifting the top floor 22.
It is 3.

The upper support frame 14 of the scaffold frame B is attached to the projecting portion 22. Then, by pushing up the uppermost floor portion 22 by the pushing-up device 23, the upper support frame 14 of the scaffolding frame B is pulled up to assemble the scaffolding frame B.
At this time, as shown in FIG. 7, the seat A also has the scaffolding frame B.
Along with this, it is pulled up and extends along the outer surface of the scaffold frame B.

Then, below the uppermost floor portion 21, construction work for the lower-floor frame of the structure 20 is performed, and when the construction floor construction is completed, the uppermost floor portion 2 is raised. As the uppermost floor portion 21 rises, as shown in FIG. 7, each frame row 2 ... (Only one frame row 2 is shown in FIG. 7)
Extends vertically. Then, the connected unit frames 1
When the ... Is located in the vertical plane, the connecting holes 10 and 11 are connected.
Among them, the connecting pin (not shown) is inserted into the connecting holes 10 and 11 in which the connecting pin (not shown) is not inserted. That is, as a result, connecting pins (not shown) are inserted into both the connecting holes 10 and 11, and the unit frames 1 ... Are fixed in a stretched state. Further, in the sheet A, the unit frames 1 are positioned in the vertical plane, so that the wires 17 are extended in the vertical direction and stretched on the outer surface of the scaffold frame B. That is, the seat A can be automatically stretched on the outer surface side of the scaffold frame B simply by assembling the folding scaffold frame B.

Then, the ascent of the top floor 21 is repeated,
When each frame row 2 is completely extended, the braces 16 are attached between the adjacent frame rows 2. In this way, the scaffolding frame B is extended and the frame rows 2 are connected by the horizontal plate members 15 and the braces 16 so that the entire scaffolding frame B is rigidly connected. Further, in order to improve the strength against strong winds, the scaffolding frame B is provided with a windproof beam (not shown) extending in the horizontal direction. Further, a fixing member (not shown) for fixing the scaffold frame B to the structure 1 is attached to the inner surface side of the scaffold frame B. Further, the seat A is in a state of being stretched on the outer surface side of the entire scaffold frame B which is rigidly connected at this stage.

Below the uppermost floor 2 of the structure 1,
After the construction work for each building floor of the structure 1 is continued and the structure 1 is completed up to one floor below the top floor, the fixing member, the wind beam,
Remove the brace 16. Along with this, the connection holes 10,
One of the connecting pins 11 (not shown) is pulled out to fold the scaffold frame B. At this time, the wires 17 inserted through the shackles 13 of every other unit frame 1 ... Slacken, and the sheet A is also folded. When folding the scaffolding frame B, for example, the upper support frame 14 is removed from the overhang 22 of the uppermost floor portion 21 and is suspended by a crane or the like.

The seat A is automatically folded by folding the scaffolding frame B as described above. Then, the folded scaffold frame B and the sheet A are transported to a storage place or the like.

As described above, according to the installation structure and the installation method of the external curing cover of this embodiment, the plurality of unit frames 1 forming the scaffolding frame B are vertically folded at each connecting portion. The sheet A attached to the scaffolding frame B via the wire 17 is also folded. The scaffolding frame B and the seat A are arranged in a folded state at the construction site, and the upper support member 14 of the scaffolding frame B folded at the construction site is lifted, whereby the scaffolding frame B can be assembled and the scaffolding frame can be assembled. By assembling B, the seat A can be automatically stretched on the outer surface side of the scaffold frame B.

When the scaffolding frame B and the seat A are to be removed after the structure is constructed, the scaffolding frame B can be folded by folding the scaffolding frame B in the vertical direction at the connecting portions of the unit frames 1 ... , The sheet A can be automatically folded. Further, when the scaffolding frame B is lifted, the horizontal plate member 1
5 is used as a scaffold, and a connecting hole 1 for a connecting pin (not shown)
It is possible to perform insertion and removal to and from 0 and 11 and attachment and removal of the brace 16, and these operations can be performed safely.

Therefore, the work of installing / removing the sheet A can be significantly facilitated, and the construction period and cost can be reduced. Further, it is not necessary to perform the tensioning work and the removing work of the seat A at a high place, and the work safety can be improved. Furthermore, the sheet A is
Since the shackle 13 is attached through the wire 17 inserted through the shackle 13, the outer surface of the scaffold frame B is attached to the plurality of sheets A.
When the sheet A is covered with
However, it is possible to make the plurality of sheets A look like they are formed by a continuous flat surface from the outside, and it is possible to enhance the aesthetics of the construction site.

When the structure 20 to be constructed is large and the scaffolding frame B covering one side of the structure 20 becomes long, the scaffolding frame B is divided into several blocks and Even if the work of attaching / removing the floor portion 21 to / from the projecting portion 22 is performed, the same effect as described above can be obtained. Further, the assembling of the scaffold frame B and the tensioning of the seat A can also be performed by lifting the upper support frame 14 with a crane or the like.

[0039]

As described above in detail, according to the installation structure for the external curing cover of the present invention, the plurality of unit frames are vertically folded at each connecting portion and the frame is pulled up and extended. As a result, the frame and the external curing cover can be installed. Further, the outer curing cover can be removed by folding the folding frame.

Further, according to the method for installing the external curing coating, the external curing coating folded together with the frame is conveyed to the construction site, and the frame is assembled at the construction site by lifting the frame to construct the external curing coating. Since the body can be stretched, it is possible to eliminate the work of stretching the outer curing cover at a high place. Further, by folding the frame, the outer curing cover can be removed. Therefore, it is possible to facilitate the installation and removal work of the outer curing cover, shorten the construction period and reduce the cost, and improve the safety of the installation and removal work.

[Brief description of drawings]

FIG. 1 is a perspective view showing an installation structure and an installation method of a cover for external curing of the embodiment of the present invention.

FIG. 2 is a front view showing a unit frame used as a scaffolding frame of the installation structure of the external curing cover.

FIG. 3 is a side view showing a connecting portion between the unit frames.

FIG. 4 is a plan view showing a nut and a shackle for inserting a connecting portion and a wire of the unit frame.

FIG. 5 is a side view showing a pillar of the unit frame.

FIG. 6 is a side view showing a pillar of a lowermost unit frame of the unit frames.

FIG. 7 is a side view showing a construction site of a structure for explaining the installation method.

[Explanation of symbols]

 A sheet (cover for external curing) B scaffold frame (frame) 1 unit frame 13 shackle (annular member) 17 wire 20 structure

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Michio Hagiri 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Katsuhiro Inada 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd.

Claims (2)

[Claims] 1. A structure for installing an external curing cover for installing a sheet-shaped external curing cover covering the periphery of the structure under construction when constructing the structure, wherein the external curing is provided. A frame for supporting the covering body, at least two wires vertically supported by the frame, and an outer curing covering body whose left and right side edges are respectively supported by the wire, The frame includes a plurality of unit frames divided in the vertical direction, the unit frames are foldably connected in the vertical direction, and the wire is inserted into an annular member attached to the unit frame to be attached to the frame. An installation structure for an external curing cover, wherein the external curing cover is supported and is formed so as to be foldable together with the frame. 2. A method for installing an outer-curing cover for covering a periphery of a structure under construction when the structure is constructed, the method comprising: A frame for supporting the covering body around the structure is formed so as to be foldable from a plurality of unit frames connected in the vertical direction, an annular member is provided on the unit frame, and a wire is inserted through the annular member. , A plurality of wires are attached to the frame so as to extend in the up-and-down direction at intervals, and the outer-curing cover is attached to the frame by attaching both side edges of the outer-curing cover to the wires. Attached, in a folded state of the frame to which the external curing coating is attached, after placing the frame around the construct under construction, the upper end of the frame is By I'll come,
An outer-curing cover installation method, characterized in that the outer-curing cover is stretched over the frame while the frame is assembled.