JP2004131983A - Closing method of opening, closing member, and closing structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an efficient closing method of an opening capable of dispensing with the shoring of for a form, lighting and scaffolding therefor, and a closing member used for efficiently closing the opening of a frame body with a filler. <P>SOLUTION: In this method for closing an opening 2 opened in a frame body 1 by the use of a form 4 and a filler 7, first, a closing member 3 is prepared. The closing member 3 is formed of the combination of the form 4 and tightening member 5. The form 4 has a wider area than the hole of the opening 2 and a frame body fixing part 4A is provided at the outer periphery of the form 4. In this method, a part 5B of the tightening member 5 is fixed to the frame body 4 and the other part 5A of the tightening member 5 is inserted in the opening 2, the other part 5A of the tightening member 5 is pulled and the form 4 is fixed to the frame body surface 1B of the opening 2, and then, the filler 7 is filled in the opening 2. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method, a closing member, and a closing structure for closing an opening used in the civil engineering and construction fields.
[0002]
[Prior art]
When the lower floor is used for an aquarium, etc., concrete is cast on the floor slab above the building, and after curing, building materials such as the formwork and formwork support in the lower floor are used. It is common practice to open an opening for carrying out in advance. FIG. 4 is a sectional view showing an example of a building having an opening. An opening 52 is provided in the floor slab 51, and it is necessary to close the opening 52 when the carrying out of the building material is finished.
[0003]
In order to cover the opening 52, a construction method as shown in FIG. 5 is adopted. FIG. 5 is a partial sectional view showing this conventional example. A mold 53 is provided below the opening 52, and the mold 53 is supported by a support 54 such as a pipe support or a single pipe. The opening 52 is closed by placing concrete on the form 53 and curing it.
[0004]
After closing the opening 52, the formwork 53 and the shoring 54 are carried to another room connected by a communication pipe 55 as shown in FIGS. 4 and 5, and installed in that room as shown in FIG. It is carried out through a narrow manhole opening 56. A search was made of documents such as patent documents relating to the conventional technology, but no relevant document was found.
[0005]
[Problems to be solved by the invention]
In the conventional method, to close the opening, prepare lighting and scaffolding from the lower floor, support the formwork with a support such as a single pipe or a pipe support, and then cast concrete, etc. Time is needed.
[0006]
In addition, in the conventional method, after closing the opening, it is necessary to disassemble the mold or the like in order to pass the mold or shoring through the communication pipe and carry out the manhole through the opening.
[0007]
It is an object of the present invention to provide a support for a formwork from below, a formwork after filling with a filler, removal of a supporter, removal and carrying out of the lighting, and a scaffold. An object of the present invention is to provide a closing method and a closing member used for efficiently closing an opening of a frame with a filler.
[0008]
[Means for Solving the Problems]
The present invention provides a closing member for closing an opening opened in a frame by using a mold and a filler, wherein the closing member is formed of a combination of a mold and a binder, and the mold is formed of the opening. The area of the hole is larger than the area of the hole, and a frame engaging portion is provided on the outer periphery of the form, and a part of the binding material is fixed to the form, and another part of the binding material is provided. Through the opening, pulling the other portion of the binding material to fix the formwork to the body surface of the opening, and introducing a filler into the opening. The present invention relates to a method, a closing member used in the method, and a closing structure obtained by the method.
[0009]
The present inventor prototyped and examined various devices for fixing a plate form for receiving a concrete without supporting it from below, when closing an opening formed in a floor slab of a building with concrete or the like.
[0010]
As a result, the present inventor has found that by using a closing member made of a combination of a mold and a binding material, the opening of the frame can be efficiently closed with the filler without supporting the mold from below. Invented the invention.
[0011]
In the present invention, since the form is fixed to the surface of the opening of the skeleton by pulling the binding material, and the opening is closed by introducing the filler into the opening, the form is large-scale like a pipe support. There is no need to support with a simple support, and there is no need for a formwork after closing with a filler, removal and removal of the support, and lighting and scaffolding for the removal.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment for carrying out the present invention will be described.
(1) Frame The frame is the main component of civil engineering structures and buildings in the fields of civil engineering and architecture. Specifically, a floor slab can be mentioned. The skeleton is typically the upper floor and is made of reinforced concrete.
[0013]
(2) Opening The opening to be opened in the skeleton is not particularly limited in shape and the like, and can be opened by various methods. Such an opening is provided in the floor slab.
[0014]
(3) Filler In the present invention, the opening is closed with the filler. Such a filler is typically liquid concrete, but is not particularly limited. Various admixtures and the like can be used for the filler such as concrete. The method of introducing the filler, the method of handling the filler, and the like can be variously set depending on the type of the filler, the method of use, and the like. It may be a liquid, or a mixture of a liquid and a solid. The liquid filler is cured after being introduced into the opening.
[0015]
(4) Closing member The closing member is composed of a combination of a mold and a binding material. Such a closing member is arranged in the opening before the introduction of the filler into the opening. Such a closure member must withstand the introduction of the filler.
[0016]
(4-1) Formwork The formwork is a structure for forming the filler introduced into the opening into a predetermined shape. The form has an area larger than the area of the hole in the opening, and a frame engaging portion that is locked to the surface of the body in the opening is provided on the outer periphery of the form. It is not necessary to remove the mold after closing the opening.
[0017]
If the form is used below the opening, the form will support the filler during the introduction of the filler. In the case of a liquid filler such as concrete or the like, if it is supported by the arrangement of the openings after curing, it is not necessary to support the cured filler by the mold.
[0018]
As the material of the formwork, a resin material that does not generate rust can be used in consideration of the use of the lower floor as a water tank. As the resin, polyethylene, polypropylene, polyvinyl chloride, fiber reinforced plastic (FRP), polycarbonate and the like can be used, and there is no particular limitation. Further, when water vapor is not generated from the lower floor or the like, a steel material such as stainless steel or aluminum may be used.
[0019]
A sealing material can be provided on the side of the frame that is in contact with the surface of the frame at the opening of the frame locking portion. Such a sealing material can prevent water vapor from entering from a gap, a crack, or the like generated between the filler and the frame. Preferably, the sealing material is a butyl rubber-based sealing material having excellent adhesion to concrete or the like.
[0020]
(4-2) Binding material The binding material fixes the formwork to the opening prior to the introduction of the filler. The binding material serves to secure one portion of the formwork to the formwork and another portion to be pulled through the opening to secure the formwork to the body surface of the opening.
[0021]
The binding material is not particularly limited, and various materials can be used. If the form is fixed below the opening, it is preferable to have sufficient tensile strength so that the form is not separated from the opening surface by the subsequent introduction of filler.
[0022]
After the opening is filled with the filler, it is not necessary to fix the formwork to the surface of the opening. Therefore, the binding material does not need to be pulled after the opening is closed, and if there is a binding material protruding from the filler in the buried opening, it can be removed by cutting the protruding portion or the like. it can.
[0023]
The shape of the binding material is not particularly limited, and for example, a linear shape, a band shape, or the like is used. In particular, a belt shape is preferable. For the same material, a band-shaped material is superior to a linear material in tensile strength.
[0024]
The material of the binding material is not particularly limited, and a resin material that does not generate rust can be used according to the use of the lower floor, like the formwork.
[0025]
(4-3) Supporting Material Preferably, the closing member is made of a combination of a mold, a supporting material, and a binding material. In this case, when the form is fixed to the supporting material by the binding material, the form is fixed to the surface of the body at the opening.
[0026]
The binding material may include a form fixing part fixed to the form, a supporting part fixing part fixed to the support, and a connecting part connecting the form fixing part and the supporting part fixing part.
[0027]
The connecting portion and the support fixing portion are passed through the opening, and the formwork can be fixed to the surface of the opening by fixing the support fixing portion to the support. Preferably, the form fixing portion, the support material fixing portion, and the connecting portion are formed integrally.
[0028]
The support is not particularly limited, and various shapes, structures, materials, and the like can be used. For example, a single tube or the like can be used as the support material.
[0029]
In addition, when the filler is introduced between the support and the mold, a separating member can be provided so that the support and the filler do not come into contact with each other. As the spacing material, for example, a raising material for a support material can be used. As the raising material, a square material or the like can be used.
[0030]
Various means can be used to fix the binding material to the support material. For example, the band-shaped binding material is passed through two holes provided in the formwork, and ends of the band-shaped binding material protruding from the respective holes are joined to each other on the surface of the supporting material by an arbitrary joining means. The coupling means is not particularly limited, and may be adhesion by an adhesive or coupling by a detachable fastener such as Magic Tape (registered trademark).
[0031]
The present invention will be described in further detail with reference to the drawings.
FIG. 1 is a partial sectional view showing an example of a closing method according to the present invention. FIG. 2 is a perspective view of the structure shown in FIG. 1 as viewed from above. FIG. 3 is a perspective view showing a combination of a mold and a binding material according to an example of the present invention.
[0032]
As shown in FIGS. 1 to 3, in an example of the closing method of the present invention, an opening 2 opened in a frame 1 is closed by using a closing member 3. The closing member 3 is composed of a combination of a mold 4 and a binding material 5.
[0033]
The mold 4 has an area larger than the area of the hole of the opening 2, and a frame engaging portion 4 </ b> A is provided on the outer periphery of the mold 4. The mold 4 is a rectangular plate as shown in FIG.
[0034]
The binding material 5 is formed of two strips, and both end portions 5A serve as mold fixing portions, and project toward the opening 2 side of the mold 4 through holes 4B provided in the mold 4. The intermediate portion 5B of the binding material 5 serves as a formwork fixing portion, and is fixed to the formwork 4.
[0035]
The end 5A of the binding material 5 is passed through the opening 2 and pulled and fixed to the support material 6 on one skeleton surface 1A, so that the form 4 is fixed to the other skeleton surface of the opening 2. Fixed to 1B.
[0036]
As shown in FIG. 1, both ends 5A of the binding material 5 are fixed to each other by a fastener such as a magic tape (registered trademark), although not shown, as shown in FIG. Do it by doing. After that, the filler 7 is introduced into the opening 2.
[0037]
As shown in FIGS. 1 and 3, a butyl-based sealing material 8 can be arranged on the side of the skeleton surface 1A of the skeleton locking portion 4A. As shown in FIG. 1, a raising material 9 is disposed between the support material 6 and the skeleton surface 1B on the skeleton surface 1A side of the support material 6 so that the support material 6 does not contact the filler 7. can do.
[0038]
After the opening 2 is closed by the filler 7, the binding material 5 is cut, and the support material 6 and the raising material 9 are removed, whereby a closed structure of the opening is obtained.
[0039]
In this way, after fixing the plate-shaped formwork to the opening of the upper floor with the binding material, if concrete is cast, the formwork after concrete is cast from the lower floor, which was necessary until now, Removal and removal of the shoring is not required.
[0040]
In addition, since the plate-shaped formwork is held in concrete by a band-like binding material, after casting and curing the concrete, the band-shaped binding material was cut near the upper floor and installed near the upper floor. The work is completed only by removing the support materials and the like, and there is no need to prepare and remove the formwork and the shoring installed on the lower floor as well as the scaffolding and lighting associated therewith.
[0041]
【The invention's effect】
According to the present invention, when two spaces are connected by an opening formed in a skeleton, a large-scale material such as a shoring is left in the other space by closing the opening from one space. Therefore, the opening of the skeleton can be closed very efficiently.
[Brief description of the drawings]
FIG. 1 is a partial cross-sectional view showing an example of a closing method according to the present invention.
FIG. 2 is a perspective view of the structure shown in FIG. 1 as viewed from above.
FIG. 3 is a perspective view showing a combination of a mold and a binding material according to an example of the present invention.
FIG. 4 is a cross-sectional view showing one example of a conventional building.
FIG. 5 is a partial cross-sectional view showing a conventional example of a method of closing an opening.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 frame 2 opening 3 closing member 4 formwork 4A frame locking portion 4B hole 5 binding material 5A both ends 5B intermediate portions 1A, 1B frame surface 6 support material 7 filler 8 butyl-based seal material 9 bulking material 51 floor slab 52 Opening 53 Formwork 54 Shoring 55 Communication pipe 56 Manhole opening

Claims (4)

In closing the opening in the skeleton by using the formwork and filler,
A closing member is prepared, the closing member is made of a combination of a mold and a binding material, and the mold has an area larger than an area of a hole of the opening, and a frame is fixed to an outer periphery of the mold. A part is provided, a part of the binding material is fixed to the form, another part of the binding material is passed through the opening, and the other part of the binding material is pulled to pull the form. A method of closing an opening, wherein the method is fixed to a surface of a body of the opening and a filler is introduced into the opening. A closing member used to close an opening formed in the skeleton by using a mold and a filler,
The closing member is made of a combination of a mold and a binding material, the mold has an area larger than an area of a hole of the opening, and a frame locking portion is provided on an outer periphery of the mold. A part of the binding material is fixed to the formwork, another part of the binding material is passed through the opening, and the other part of the binding material is pulled so that the formwork is A closing member fixed to a surface of a skeleton. A closed structure in which an opening opened in the skeleton is closed by use of a mold and a filler,
The closing structure is obtained by using a closing member composed of a combination of a mold and a binding material, wherein the mold has an area larger than an area of a hole of the opening, and an outer periphery of the mold. Is provided with a frame locking portion, a part of the binding material is fixed to the formwork, another portion of the binding material is passed through the opening, the other of the binding material A closure structure, wherein the mold is fixed to the surface of the skeleton of the opening by pulling a portion thereof, and the filler is introduced into the opening. The closing structure according to claim 3, wherein a sealing material is provided between the mold and the body surface of the opening.

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