JPH10102786A - Shielding method of structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shielding method of a structure which leaks no noise or dust outside, is simple in installation work, and easy in storage, withdrawing and repair works. SOLUTION: A structure is covered by stretching a plurality of synthetic resin sheets 30 with heat-shrinkage property over the outside of a frame member 20 to be erected around the structure to cover the outer circumference of the frame member. A joints of synthetic resin sheets 30 are adhered to each other by an adhesive tape 50 consisting of the synthetic resin with heat-shrinkage property, and a structure 10 is shielded through heat-shrinkage of the whole synthetic resin sheet 30 by heating the vicinity of the adhesive tape to perform heat-shrinkage in the vicinity of a joint 32 of the adhesive tape and the synthetic resin sheet 30, or heating the whole synthetic resin sheet 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of shielding around a structure, and more particularly to a building under construction, and a plant, a storage tank, and a ship under construction, repair, and periodic inspection. And the like (hereinafter simply referred to as “structure”) and a method of shielding by enclosing with a synthetic resin sheet material.

[0002]

2. Description of the Related Art Conventionally, in this type of structure,
For example, when building a building, as shown in FIG. 5, a scaffolding member 102 is erected around a building 100 to assemble a plurality of sheets so that noise, dust, etc. do not leak to the surroundings. The mesh sheet 104 is stretched so as to cover the outside of the scaffold member 102, and a fixing cord 108 is passed through a hole 106 provided around the mesh sheet, so that the scaffold member 1
It is usually connected and fixed to the frame 110 or the like.

[0003]

However, with such a mesh sheet, noise and dust can be cut off to some extent, but noise and dust are inevitably leaked through the joint between the sheets and between the sheets. It was not yet satisfactory.

[0004] Further, since such a mesh sheet also blocks external light, workability is not good and work has to be interrupted in rainy weather. Further, since the mesh sheet is relatively heavy and bulky, the workability in fixing the sheet to the scaffold member is not good, and the scaffold member 1
02 is troublesome and time-consuming, and because of its large weight and bulk, there is a problem in securing a storage place during storage and transportation.

Further, in such a mesh sheet, when the sheet is damaged due to a break at one end, the repair work is complicated in order to repair the sheet. In view of the above situation, the present invention provides a method of shielding a structure that does not leak noise, dust, etc. to the outside, is easy to lay, and easy to store, remove and repair. The purpose is to provide.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in order to achieve the above-mentioned problems and objects in the prior art. A plurality of synthetic resin sheet members are stretched on the outside of a frame member that is erected and assembled around the structure to cover the outer periphery of the frame member so as to cover the structure. By bonding the seam of the synthetic resin sheet material with an adhesive tape made of a synthetic resin having heat shrinkability, and applying heat to the vicinity of the adhesive tape,
The structure is covered with a synthetic resin sheet material and shielded by thermally shrinking the vicinity of a joint between the adhesive tape and the synthetic resin sheet material.

In this case, it is preferable that the synthetic resin sheet is made of a heat-shrinkable synthetic resin.
Further, the structure shielding method of the present invention is a method of shielding the periphery of a structure, wherein a plurality of heat-shrinkable synthetic resin sheet materials are provided outside a frame member that is erected and assembled around the structure. It is stretched so that the seam portion overlaps to cover the outer periphery of the frame member so as to cover the structure, and heat is applied to the vicinity of the seam of the synthetic resin sheet material to cause thermal contraction and welding. The structure is covered by a synthetic resin sheet material and shielded.

According to such a structure shielding method, it is only necessary to thermally shrink the heat-shrinkable adhesive tape or the synthetic resin sheet material, so that the structure can be shielded easily and reliably.

In this case, it is preferable that the entire synthetic resin sheet is thermally contracted by applying heat to the entire synthetic resin sheet. In this case, the synthetic resin sheet is turned up under the influence of wind and rain. It is possible to shield without fail.

[0010]

Further, it is preferable that a string member is previously stretched between the frame members, and a synthetic resin sheet material is adhered to the outside of the frame member. Since the synthetic resin sheet material does not enter the space between them during heat shrinkage, the shielding effect is ensured and the appearance is not impaired.

A string member is previously stretched between the frame members in the vertical and horizontal directions or in either the vertical or horizontal direction, and a synthetic resin sheet material is adhered to the outside of the frame member and the string members. Is more preferred.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of a method for shielding a structure according to the present invention.

In FIG. 1, reference numeral 10 denotes a building under construction which is an example of a structure.
The scaffold member 20 constituting the frame member is vertically assembled vertically and horizontally to constitute a scaffold. This scaffold member 20
Is a substantially U-shaped frame member 21 erected in parallel,
A scaffold plate member 23 mounted on the upper surface of the frame member;
The frame member 21 includes a bracing member 22 extending in an X-shape between the frame legs 21A.

As shown in FIG. 1, the upper end of the long heat-shrinkable synthetic resin sheet material 30 is attached to the scaffold plate member 23 on the upper surface of the uppermost scaffold member 20 by the adhesive tape 4.
0, the synthetic resin sheet material 30 is stretched so as to cover the outside of the scaffold member 20, that is, the outer frame leg 21A and the bracing member 22, and if necessary, is synthesized at regular intervals. The left and right ends of the resin sheet material 30 are fixed with the adhesive tape 40.

A plurality of synthetic resin sheet members 30 are provided vertically and horizontally.
To a seam (polymerized portion) 32 between the synthetic resin sheet materials 30
Then, as shown in FIG. 2, the seam 32 is adhered by attaching an adhesive tape 50 made of a heat-shrinkable synthetic resin (see FIG. 2A). At this time, the lower end of the lowermost synthetic resin sheet material 30 and the lowermost scaffold member 20 are fixed with an adhesive tape 40. Thus, the structure 10 is covered by covering the outer periphery of the scaffold member 20. Subsequently, heat is applied to the vicinity of the adhesive tape 50 by a hot air generator or the like (not shown) to thermally shrink the vicinity of the seam 32 between the adhesive tape 50 and the synthetic resin sheet material 30 so that the structure is formed. It is covered with a synthetic resin sheet material and shielded (see FIG. 2B).

In this case, as the material of the heat-shrinkable synthetic resin sheet material 30, any heat-shrinkable synthetic resin can be used.
A heat-shrinkable sheet material made of a resin such as polyolefin resin such as polypropylene, polystyrene, polyvinyl chloride, polyvinylidene chloride, polyester, and nylon can be used, and a vinyl resin such as polyvinyl chloride is particularly preferable. The dimensions of the synthetic resin sheet material 30 can be appropriately changed depending on the size of the target structure, the size of the scaffold member 20, and the light-shielding ratio, and are not particularly limited. About 150m
The size of ² (7.93 m in width × 18.91 m in height) is suitable, and the thickness is preferably about 5 to 12 mm. In addition, if a white ink, an ultraviolet ray blocking agent, and the like are mixed in advance into these resins, a white opaque synthetic resin sheet material is obtained. Therefore, it is possible to prevent the internal temperature from rising due to reflection of heat by sunlight. At the same time, since sunlight can enter the interior to some extent, it is preferable because it does not hinder the work of the worker.

As the pressure-sensitive adhesive tape 50 made of a heat-shrinkable synthetic resin, any heat-shrinkable synthetic resin can be used.
Polyolefin-based resins such as polypropylene, polystyrene, polyvinyl chloride, polyvinylidene chloride, polyester, a tape made of a heat-shrinkable resin made of a resin such as nylon can be used, and a tape made of a low-density polyethylene is particularly preferable. What has just been coated with a well-known pressure-sensitive adhesive or pressure-sensitive adhesive on the back side may be used. The size of the adhesive tape 50 can be appropriately changed depending on the size of the target structure, the size of the scaffold member 20, and the size of the overlapping portion, and is not particularly limited. A thickness of about 10 to 50 cm and a thickness of about 5 to 12 mm is preferable. Also, if a white ink, an ultraviolet ray blocking agent, or the like is mixed in advance in these resins in the same manner as in the synthetic resin sheet material 30 described above, it is possible to prevent the internal temperature from rising due to the reflection of heat due to solar radiation. This is preferable because sunlight can enter into the interior to some extent while preventing the work of the worker.

The temperature for applying heat to the vicinity of the adhesive tape 50 by a hot air generator or the like to thermally shrink the vicinity of the seam 32 between the adhesive tape 50 and the synthetic resin sheet material 30 is as follows. 30 and adhesive tape 50
Although it depends on the material of the heat-shrinkable synthetic resin that constitutes the above, the range is not particularly limited as long as it is within the range of the shrinkage temperature of the synthetic resin.
C), polyethylene (88-150 C), polypropylene (104-177 C), polystyrene (99-132).
° C), polyvinyl chloride (66 to 150 ° C), and polyvinylidene chloride (66 to 99 ° C). As an example, in the case of polyvinyl chloride, heat may be applied at about 91 ° C.

As described above, the surroundings of the scaffold member are located up, down,
That is, a plurality of synthetic resin sheet members 30 are provided around the structure.
The adhesive tape 50 made of a heat-shrinkable synthetic resin is attached to the seam (polymerized portion) 32 between the synthetic resin sheet materials 30, and heat is applied to the vicinity of the adhesive tape 50. , Adhesive tape 50 and synthetic resin sheet material 3
By thermally shrinking the vicinity of the 0 seam 32, the structure is covered and shielded with a synthetic resin sheet material, so that the seam 32 between the synthetic resin sheet materials 30 is completely sealed. Therefore, dust generated in buildings under construction, and in plants, storage tanks, ships, and the like during construction, repair, and periodic inspections, do not leak to the external environment and are not affected by wind and rain. The workability is improved.

Further, even when the sheet is damaged due to a break at one end, the adhesive tape 50 made of a heat-shrinkable synthetic resin may be attached to the repaired portion, or may be shrunk by applying heat. , Repair work becomes very simple.

Further, the structure 1 thus shielded
In order to release the 0 shield, it is only necessary to cut open with a cutter or the like, and since the removed synthetic resin sheet material 30 and the adhesive tape 50 are made of a heat-shrinkable synthetic resin, it is only necessary to apply heat. This is very convenient because it can be recycled because it shrinks.

Further, by applying heat to the entire synthetic resin sheet material 30, it is also possible to thermally shrink the entire synthetic resin sheet material.
The gap between the two can be eliminated, so that the sealed state can be maintained even more, and the synthetic resin sheet material can be prevented from being turned up by wind and rain, and the structure can be more reliably shielded. It is.

In this case as well, the temperature to which heat is applied may be selected from the range of the shrinkage temperature depending on the resin as described above. For example, a synthetic resin sheet of polyvinyl chloride may be used. size of 150m ² (7 horizontal.
93m x 18.91m), about 91 ° C, about 20
Heat may be applied in about a minute.

In this embodiment, a scaffold member used at a construction site is used as a frame member. However, the method for shielding a structure of the present invention is not limited to such a scaffold member. As long as the synthetic resin sheet material 30 can be fixed, as shown in FIG. 3, a frame member 62 around the storage tank 60 may be used.

In this embodiment, a synthetic resin sheet made of a heat-shrinkable synthetic resin is used as the synthetic resin sheet 30. However, the synthetic resin sheet 30 is made of a synthetic resin having no heat shrinkage. For example, cellulose nitrate, cellulose triacetate, cellulose acetate butyrate, cellulose tributyrate, hard vinyl chloride, polystyrene, polyester, polycarbonate, using a sheet material made of a resin such as cast polypropylene,
The seam 32 can be sealed by heat-shrinking only the heat-shrinkable adhesive tape 50.

As the synthetic resin sheet material 30, a synthetic resin sheet material made of a heat-shrinkable synthetic resin is used and stretched so that the seams thereof overlap with each other. It is also possible to heat-shrink and weld the seam portion by adding, and to cover the structure with a synthetic resin sheet material and shield it. In this case, the pressure-sensitive adhesive tape 50 is a tape having no heat shrinkability, and the pressure-sensitive adhesive tape is applied to the structure of the synthetic resin sheet material 3.
No. 0 may be used to affix it, or it may be used to reinforce the seam of the welded synthetic resin sheet material 30.

FIG. 4 is a perspective view showing another embodiment of the method for shielding a structure according to the present invention. Components similar to those of the above-described first embodiment are denoted by the same reference numerals. I have.
In the present embodiment, the synthetic resin sheet material 30 is
When shielded by heat shrink while fixing to the space B, the synthetic resin sheet material 30 is placed in the space B between the scaffold members 20.
Between the frame legs 21A of the frame member 21 of the scaffolding member 20 and between the bracing members 22 bridged in an X-shape so as not to shrink inward inward and hinder the shielding property. After the string member 70 is stretched and fixed, the synthetic resin sheet material 30 is fixed from above. In this case, the material of the string member 70 is not limited at all, and the above-mentioned synthetic resin sheet material 30 and a synthetic resin having a higher heat shrink temperature than the adhesive tape 50, a metal tape such as aluminum, and the like are used. It is possible. In addition, as a method of fixing the string member 70 to the scaffold member 20, as shown in the drawing, in addition to sticking with another adhesive tape 74, the string member 70 is directly tied to the scaffold member 20, or a clamp member is used. It may be fixed.

[0028]

According to the method for shielding a structure of the present invention, a plurality of synthetic resin sheet members 30 are stretched around a frame member which is erected and assembled around the structure, that is, around the structure. Seam (overlapping portion) 32 between sheet materials 30
And an adhesive tape 50 made of a heat-shrinkable synthetic resin.
Is applied, and heat is applied to the vicinity of the adhesive tape 50 to thermally shrink the vicinity of the joint 32 between the adhesive tape 50 and the synthetic resin sheet material 30, thereby enclosing the structure with the synthetic resin sheet material. Because of this, the seam 32 between the synthetic resin sheet materials 30 is completely sealed.

Accordingly, buildings under construction, plants under construction, repairs, and periodic inspections, storage tanks,
Dust and the like generated in a ship or the like do not leak to the external environment and are not affected by wind and rain, so that workability is improved.

Further, even when the sheet is damaged due to a break at one end, the adhesive tape 50 made of a heat-shrinkable synthetic resin may be attached to the repaired portion, or may be shrunk by applying heat. , Repair work becomes very simple.

Further, the structure 1 thus shielded
In order to release the 0 shield, it is only necessary to cut open with a cutter or the like, and since the removed synthetic resin sheet material 30 and the adhesive tape 50 are made of a heat-shrinkable synthetic resin, it is only necessary to apply heat. This is very convenient because it can be recycled because it shrinks.

By applying heat to the entire synthetic resin sheet material 30, it is possible to thermally shrink the entire synthetic resin sheet material. In this case, it is possible to eliminate a gap between the synthetic resin sheet material 30 and the frame member. Therefore, the sealed state can be further maintained, and the synthetic resin sheet material can be prevented from being turned up by wind and rain, so that the structure can be more reliably shielded.

Furthermore, if a white ink, an ultraviolet blocking agent, and the like are mixed in advance in the synthetic resin sheet material and the resin constituting the adhesive tape, the synthetic resin sheet material becomes a white and opaque synthetic resin sheet material. As a result, the temperature of the inside can be prevented from rising, and the sunlight can enter the inside to some extent, so that there is no hindrance to the work of the worker.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a method for shielding a structure according to the present invention.

FIG. 2 is a schematic diagram illustrating a method of joining a joint (overlapping portion) 32 between synthetic resin sheet materials 30 in the method of shielding a structure of the present invention.

FIG. 3 is a partially cutaway perspective view of a storage tank shielded by the structure shielding method of the present invention.

FIG. 4 is a perspective view showing another embodiment of the method for shielding a structure of the present invention.

FIG. 5 is a perspective view illustrating a conventional method of shielding a building at a building site.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Structure 20 ... Scaffold member 21 ... Frame member 22 ... Bracing member 23 ... Scaffold plate member 30 ... Synthetic resin sheet material 32 ... Seam (overlapping part) 40 ... Adhesive tape 50 ... Adhesive tape 60 ... Storage tank 70 ... String member

Claims (5)

[Claims] 1. A method of shielding the periphery of a structure, wherein a plurality of synthetic resin sheet members are stretched outside a frame member that is erected and assembled around the structure to cover an outer periphery of the frame member. By bonding the joint of the synthetic resin sheet material with an adhesive tape made of a heat-shrinkable synthetic resin, and applying heat near the adhesive tape, the adhesive tape and A method of shielding a structure, wherein the structure is covered with a synthetic resin sheet material and shielded by thermally shrinking the vicinity of a joint of the synthetic resin sheet material. 2. The method for shielding a structure according to claim 1, wherein the synthetic resin sheet material is made of a heat-shrinkable synthetic resin. 3. A method for shielding the periphery of a structure, wherein a plurality of heat-shrinkable synthetic resin sheet materials are overlapped on the outside of a frame member that is erected and assembled around the structure. To cover the outer periphery of the framing member to cover the structure, heat-shrinks and welds the vicinity of the joint of the synthetic resin sheet material by applying heat, and bonds the structure to the synthetic resin sheet. A method of shielding a structure, characterized in that the structure is covered with a material and shielded. 4. The method for shielding a structure according to claim 2, wherein the entire synthetic resin sheet material is thermally contracted by applying heat to the entire synthetic resin sheet material. 5. A string member is stretched in advance between said frame members, and a synthetic resin sheet material is adhered to the outside of said frame member and said string member. A method for shielding a structure according to claim 1.