JP2001123441A - Sound-proof structure, and construction method for treating pile head using same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a noise and to secure safety on health of a worker, in pile head treating work for chipping a pile head of a concrete pile and the like. SOLUTION: In pile head treatment for conducting the chipping for the pile head K-1 of the concrete pile K, wrecking work or the like, a sealed working space into which the worker F put with an air-tight wear on goes to carry out the pile head treating work using an exclusive tool is constituted of an air-dome type sound-proof tent 1 of hollow double wall constitution having inner and outer wall face bodies 2, 3 sealed with compressed air in a space part 4 between the inner and outer wall face bodies 2, 3, and a fixing means for fixing the sound-proof tent 1 to an installed face side. The tent 1 is provided with an air supplying means for supplying fresh air into the tent 1, a dust discharging means for discharging dust generated inside the tent 1 to an outside by a dust collector 12, and a cool air supplying means for supplying cool air into the air-tight wear of the worker F working inside the tent 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soundproof structure mainly used at a pilehead processing site such as filing and demolition of a pilehead of a concrete pile, and a pilehead treatment method using the soundproof structure. .

[0002]

2. Description of the Related Art At construction sites, concrete piles surrounded by steel bars are used as a foundation on which a steel frame is built. However, since the pile head contains a lot of impurities during the casting process, that part must be cut.

[0003] Normally, the pile head is scraped off using a special tool (breaker or the like), and at the same time, the level is adjusted because the steel frame is flattened so that it can be installed. It often leads to a deterioration of the living environment and often leads to opposition. In addition, the working environment is such that the worker cannot breathe without wearing a dust mask during the work, and it can be said that the work has a high risk of forming a pneumoconiosis.

[0004] In the prior art, as a device for noise,
In fact, the use of low-noise compressors, breakers, and the like has not been addressed, and no particular measures have been taken to reduce the impact sound itself.

[0005] As a result, how quickly the work can be completed has become a focus of the work, and the safety of workers in terms of health has not yet been improved, such as dust masks and protective glasses. The use of general safety equipment has become mainstream.

This is at the same time that there is no alternative,
This is a result of emphasizing workability, and it is by no means sufficient in terms of worker health safety.

[0007]

In the above-mentioned conventional construction method, the living environment of the inhabitants in the vicinity is inevitably deteriorated due to noise, dust, and the like, and the safety in terms of the health of workers is not sufficient. No measures have been taken. At present, there is no alternative construction method, so there is a need for measures to prevent noise and ensure the safety of workers in terms of health.

The present invention has been made based on such a demand, and the first object of the present invention is to reduce noise and reduce the amount of dust for the local residents. To provide a soundproof building structure capable of minimizing the deterioration of the living environment and, in particular, for workers, mainly for the purpose of preventing pneumoconiosis, and thereby ensuring a better working environment. is there.

[0009] A second object of the present invention is to minimize the deterioration of the living environment by suppressing noise and reducing the amount of dust to the surrounding residents. For workers, a better working environment can be secured, mainly for the purpose of preventing pneumoconiosis, and for the general contractor, consideration and devising for the above two persons will provide more stable quality. It is an object of the present invention to provide a pile head treatment method that not only makes it possible to supply buildings, but also contributes to improving the corporate image.

[0010]

In order to achieve the first object, a soundproofing structure according to the first aspect of the present invention comprises:
In the processing of pile heads for the breaking and dismantling of pile heads of concrete piles, workers wearing airtight clothes enter and form a closed work space for pile head processing using special tools. is there.

With this configuration, the closed working space is formed so that the pile head of the concrete pile is located inside the closed working space, so that noise is suppressed for the inhabitants in the vicinity and the amount of dust is reduced, so that the living environment is reduced. In particular, it is possible to secure a better working environment for workers, mainly for the purpose of preventing pneumoconiosis, and By taking care and ingenuity, it is possible not only to supply buildings with more stable quality, but also to improve the corporate image.

Further, in order to achieve the first object, a soundproofing structure according to the invention of claim 2 is provided.
The air-conditioning means for supplying fresh air into the closed working space, the dust discharging means for discharging dust generated in the closed working space to the outside by a dust collector, and the work in the closed working space. Cold air supply means for supplying cold air to the airtight clothes of the worker who performs the operation.

With this configuration, not only can the same operation and effect as the invention of claim 1 be obtained, but also fresh air can be supplied into the closed working space by the air supply means.
The dust generated by the dust collector of the dust discharging means can discharge dust generated in the enclosed work space to the outside, and the cool air supply means can supply cool air into the airtight clothes of the worker, which is better for the worker. Work environment can be secured.

In order to achieve the first object, the soundproofing structure according to the third aspect of the present invention provides a soundproofing structure according to the first aspect.
Or, in the soundproofing construction structure according to claim 2, the closed working space is an inner, hollow double-walled structure having an outer wall surface, and compressed air or light gas having a specific gravity is applied to the space between the inner and outer wall surfaces. It comprises a sealed sound tent of the air dome type and fixing means for fixing the soundproof tent to the installation surface side.

According to this configuration, not only the same operation and effect as the operation and effect of the first aspect of the invention can be obtained, but also the soundproof tent has a hollow double-walled structure having inner and outer wall surfaces.
Because of the structure in which compressed air or gas with a low specific gravity is enclosed in the space between the outer wall members, sound insulation is achieved by the combined effect of the sound insulation provided by the inner and outer wall members and the elasticity of air or gas with a low specific gravity. In addition, it is possible to prevent noise generated at the time of cutting a pile head using a dedicated tool (such as a breaker) from leaking out.

In order to achieve the first object, a soundproofing structure according to a fourth aspect of the present invention is provided.
Alternatively, in the soundproofing structure according to claim 2, a closed working space is constructed by combining a plurality of wall members formed of a soundproofing board in which a porous material is formed in a board shape to form a peripheral wall portion of the soundproof tent. A roof member made of a soundproof board is placed and fixed on the upper end side, and the soundproof tent is fixed to the installation surface side by fixing means.

According to this configuration, not only can the same operation and effect as those of the first aspect of the invention be achieved, but also the soundproof tent is constituted by a wall member and a roof member formed of a porous material in a board shape. At the stage when the sound wave passes through the inside, the internal fibers vibrate in accordance with the sound wave, absorbing the energy of the sound and preventing sound, using a special tool (breaker etc.) It is possible to prevent noise generated during pile head cutting work from leaking out.

Further, in order to achieve the first object, the soundproofing structure according to the invention of claim 5 is based on claim 1.
Alternatively, in the soundproofing structure according to claim 2, the closed working space is formed by laminating a soundproof sponge material and a glass wool material, and combining a plurality of wall members made of a composite soundproof board in which a soundproof sheet made of glass wool is laminated on the outer surface side. Thus, a peripheral wall of the soundproof tent is constructed, and a roof member made of a composite soundproof board is placed and fixed on the upper end side of the peripheral wall.

With this configuration, not only can the same operation and effect as those of the first aspect of the invention be obtained, but also the soundproof tent is formed by laminating a soundproof sponge material and a glass wool material, and forming a glass wool soundproof sheet on the outer surface side. Due to the structure consisting of the roof member of the same configuration as the laminated wall member, the sound fibers pass through the inside at the stage where the sound wave passes, and the internal fibers vibrate in accordance with the sound wave, thereby absorbing the sound energy It is soundproofed and can prevent the noise generated during the work of cutting the pile head using a special tool (breaker, etc.) from leaking out.

[0020] In order to achieve the first object, the soundproofing structure according to the invention of claim 6 is based on claim 5.
In the soundproofing structure described in the above, a plurality of rings are arranged and fixed at equal intervals on one side edge of the composite soundproofing board, and a plurality of rings on the other side edge of the composite soundproofing board body, one side The wall is arranged and fixed corresponding to the gap between the rings provided on the edge, and the gap between the rings on one side edge of one of the wall members among the adjacent wall members is the other of the other wall members. By inserting the ring of the side edge part and inserting the support shaft into the vertically connected ring, the adjacent wall members are connected to each other, and in this manner, a plurality of wall members are connected to each other. A polygonal peripheral wall portion is constructed by being connected.

According to this configuration, not only the same operation and effect as the operation and effect of the invention of claim 5 can be obtained, but also the construction of the polygonal peripheral wall portion can be performed easily and quickly.

Further, in order to achieve the first object, a soundproofing structure according to the invention of claim 7 is provided in claim 1.
Alternatively, in the soundproof construction structure according to claim 2, a soundproof tent is formed by combining a plurality of wall members formed by enclosing air or a gas having a low specific gravity in a soundproof balloon body in which a closed working space is surrounded by a thin film having no air permeability. A roof member composed of a soundproof balloon body filled with air or gas having a low specific gravity is placed and fixed on the upper end side of the peripheral wall portion, and the roof member is fixed to the installation surface side by fixing means. It is configured.

According to this configuration, not only can the same operation and effect as those of the first aspect of the invention be achieved, but also the soundproof tent can be provided with air in the rectangular soundproof balloon body surrounded by a non-breathable thin film (thin plate). Or, because it is composed of a roof member with the same configuration as a wall member that is configured by enclosing a gas with a low specific gravity, resonance occurs due to the elasticity of air or gas with a low specific gravity and vibration of the thin film, and the sound By converting the energy into heat energy, the sound energy is absorbed and soundproofed, and the noise emitted when cutting the pile head using a special tool (breaker, etc.) leaks out Can be prevented.

According to a second aspect of the present invention, there is provided a pile head processing method according to the present invention, wherein the concrete pile is subjected to a soundproofing construction when a pile head of the concrete pile is to be chipped or dismantled. A worker wearing airtight clothes enters the soundproofing structure, and works using a dedicated tool.

Therefore, it is possible to minimize the deterioration of the living environment by suppressing noise and reducing the amount of dust for the inhabitants in the vicinity, and especially for workers, mainly to prevent pneumoconiosis. For the purpose, a better working environment can be ensured, and the general contractor can not only supply a building with more stable quality by considering and devising the above two parties. It also leads to an improvement in corporate image.

In order to achieve the second object, a pile head treatment method according to a ninth aspect of the present invention is the pile head treatment method according to the eighth aspect, wherein the air supply means is provided in the soundproofing structure. To supply fresh air and discharge the dust generated in the soundproofing structure by the dust collector of the dust discharging means to the outside,
The cool air supply means supplies cool air into the airtight clothes.

Therefore, not only the same effects as those of the invention of claim 8 can be obtained, but also fresh air is supplied into the closed working space by the air supply means, and the closed work is performed by the dust collector of the dust discharging means. Dust generated in the space is discharged to the outside, and cool air can be supplied into the airtight clothes of the worker by the cool air supply means.
A better working environment can be secured.

[0028]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIGS. 1 to 3 show Embodiment 1 of a soundproof tent structure according to the present invention. This soundproof tent structure is provided with an air-dome type soundproof tent 1, which is a hollow double-walled structure having inner and outer wall bodies 2, 3. Waterproof,
It is made of a sheet having weather resistance and air tightness, and is filled with compressed air or gas having a low specific gravity in the space 4 between the inner and outer wall members 2 and 3 to keep the shape of the air dome.

On the outer wall 3 of the air-dome type soundproof tent 1, fixed ropes 5 are arranged along the top so as to intersect in a substantially cross shape, and four terminal portions 5A of the fixed ropes 5 are provided. Are locked to the weight 6 installed (fixed) on the slab S as the installation surface. The fixing cable 5 and the weight 6 constitute fixing means.

The air-dome type soundproof tent 1 has first, second, and third tubular through-holes 7, 8, and 9 formed therein. The air supply pipe 11 connected to the discharge side of the blower (intake compressor) 10 is inserted in a penetrating state, and fresh air is supplied into the soundproof tent 1 by the operation of the blower 10. is there. The blower 10 and the air supply pipe 11 constitute air supply means.

An exhaust pipe 13 connected to the discharge side of a dust collector (exhaust compressor) 12 is inserted into the second pipe through hole 8 in a penetrating state.
The dust generated in the soundproof tent 1 due to the operation is discharged outside. Then, the dust collector 12 and the exhaust pipe 1
3 together form a dust discharging means.

A pipe 15 connected to the discharge side of a cool air blower (intake compressor) 14 is inserted into the third pipe through hole 9 in a penetrating state. During operation, cold air can be supplied into the airtight clothes (both not shown) of a worker working in the soundproof tent 1. In this case, the inside of the airtight clothes is connected to the pipe body 15 by piping. A spot air conditioner 16 is connected to the suction side of the cool air blower 14. The spot air conditioner 16, the cool air blower 14, and the pipe 15 constitute cool air supply means.

The soundproof tent 1 is provided with an entrance through which an operator can enter and exit, and an opening / closing door (both not shown) for opening and closing the entrance.

Next, the cutting operation of the pile head K-1 of the concrete pile K at the construction site will be described.

As shown in FIG. 2, the soundproof tent 1 constructed as described above is erected on the slab S so that the pile head K-1 of the concrete pile K is located inside the tent. Then, the worker F wearing the airtight clothes enters the soundproof tent 1 and scrapes the pile head K-1 using a dedicated tool (breaker or the like) (not shown), and the steel frame is set. Make the level as flat as possible.

In this case, fresh air is supplied into the soundproof tent 1 by the operation of the blower 10, and dust generated in the soundproof tent 1 by the operation of the dust collector 12 is discharged to the outside. A tube 15 connected to the discharge side of the cool air blower (compressor for intake air) 14 is connected to the airtight clothes, and the cool air blower 14 is operated to supply cool air into the airtight clothes of the worker F.

The soundproof tent 1 is a hollow double-walled structure having inner and outer wall members 2 and 3 in which a space 4 between the inner and outer wall members 2 and 3 is filled with compressed air or gas having a low specific gravity. Therefore, the sound insulation is provided by the combined effect of the sound insulation provided by the inner and outer wall bodies 2 and 3 and the elasticity of air or gas having a low specific gravity, etc., and the pile head using a dedicated tool (breaker, etc.) The noise generated during the cutting work of K-1 is prevented from leaking outside.

In addition, the fresh air is introduced into the soundproof tent 1 by the operation of the blower 10 and the dust generated in the soundproof tent 1 by the operation of the dust collector 12 is discharged to the outside. Since cool air is supplied into the airtight clothes of the worker F by the operation of the cool air blower 14, a better working environment can be secured for the worker F, and mainly pneumoconiosis can be prevented. .

As described above, the soundproof tent 1 is erected on the slab S such that the pile head K-1 of the concrete pile K is located inside the tent, so that noise is suppressed for the residents in the vicinity and dust is prevented. By reducing the amount, it is possible to minimize the deterioration of the living environment, and in particular, it is possible to secure a better working environment for the worker F mainly for the purpose of preventing pneumoconiosis. By considering and devising the above two parties for general contractors, it is possible not only to supply buildings with more stable quality, but also to improve the corporate image.

(Embodiment 2) FIGS. 4 and 5 show a soundproof tent structure according to Embodiment 2 of the present invention. This soundproof tent structure includes a soundproof tent 20 of a soundproof board combination type. The soundproof tent 20 includes a wall member 21 made of a soundproof board, a roof member 22 made of a soundproof board,
And a fixing means including a fixing cable 23 and a weight 24.

The wall member 21 and the roof member 22 are formed by forming a porous material (glass wool, rock wool, sponge, etc.) into a square board shape.
1, a peripheral wall portion 20A of the soundproof tent 20 is constructed, a roof member 22 is placed and fixed on the upper end side of the peripheral wall portion 20A, and the outer wall surface of the soundproof tent 20 is crossed at the top in a substantially cross shape. Along the fixed cable 23, 4
Weight 24 on which two terminals 23A are installed (fixed) on the ground
And the soundproof tent 20 is constructed.

The soundproof tent 20 configured as described above includes an air supply unit mainly including the blower 10 as in the soundproof tent 1 according to the first embodiment of the present invention, and a dust collector 1.
Dust discharging means having a main configuration 2 and a spot air conditioner 1
6 and a cool air blower 14 are provided as main components. The soundproof tent 20 has an entrance through which an operator F can enter and exit, and an opening and closing door for opening and closing the entrance (both are shown in the drawing). Z) is provided.

The soundproof tent 20 is erected on the slab S so that the pile head K-1 of the concrete pile K is located inside. Then, the worker F wearing the airtight clothes enters the soundproof tent 20, and special tools (such as breakers) are used.
(Not shown) to scrape the pile head K-1
Make the level so that it is flat so that the steel frame can be installed.

In this case, fresh air is supplied into the soundproof tent 20 by the operation of the blower 10 and dust generated in the soundproof tent 20 by the operation of the dust collector 12 is discharged to the outside. A tube 15 connected to the discharge side of the cool air blower (compressor for intake air) 14 is connected to the airtight clothes, and the cool air blower 14 is operated to supply cool air into the airtight clothes of the worker F.

Since the soundproof tent 20 is composed of the wall member 21 and the roof member 22 formed of a porous material (glass wool, rock wool, sponge, etc.) in a board shape, the sound wave tent 20 is in a stage where the sound wave passes through the inside. The internal fiber vibrates according to the sound wave to absorb sound energy to prevent sound. When cutting the pile head K-1 using a special tool (breaker, etc.) The noise coming out is prevented from leaking out.

Further, fresh air is introduced into the soundproof tent 20 by the operation of the blower 10, and dust generated in the soundproof tent 1 by the operation of the dust collector 12 is discharged outside. Since cool air is supplied into the airtight clothes of the worker by operation of the cool air blower 14, a better working environment can be secured for the worker F, and mainly pneumoconiosis can be prevented.

As described above, the soundproof tent 20 is erected on the slab S such that the pile head K-1 of the concrete pile K is positioned inside the tent, so that noise is suppressed for the inhabitants and dust is prevented. By reducing the amount, it is possible to minimize the deterioration of the living environment, especially for workers, mainly for the purpose of preventing pneumoconiosis, it is possible to ensure a better working environment, By taking care of the above two parties for the general contractor, it is possible not only to supply buildings with more stable quality, but also to improve the corporate image.

Third Embodiment FIGS. 6 to 9 show a soundproof tent structure according to a third embodiment of the present invention. This soundproof tent structure includes a soundproof tent 30 of a soundproof board combination type. The soundproof tent 30 includes a wall member 31 made of a soundproof board and a disk-shaped roof member 32 made of a soundproof board.

The wall surface member 31 has a rectangular composite soundproof board 36 in which a soundproof sponge material 33 and a glass wool material 34 are laminated, and a soundproof sheet 35 made of glass wool is laminated on the outer surface side. Three annular bodies 37 are arranged and fixed at equal intervals on the left side edge 36a of the annular body 36, and the size of the gap 38 between the annular bodies 37 is substantially the same as the length of the annular body 37. Also, two rings 37 are arranged and fixed on the right edge 36b of the composite soundproof board 36 in correspondence with the gaps 38 between the three rings 37 provided on the side edges 36a.

The roof member 32 is made of the soundproof sponge material 3.
3 and a glass wool material 34 are laminated.

Then, the six wall members 31 are assembled to construct the peripheral wall portion 30A of the soundproof tent 30, and the peripheral wall portion 30A is constructed.
A, the roof member 32 is placed and fixed on the upper end side of the soundproof tent 3.
0 has been built.

That is, of the adjacent wall members 31,
Three annular bodies 37 on the left edge 36a of one wall member 31
The right edge 36b of the other wall member 31
The two ring members 37 are inserted, and the supporting shaft 39 is inserted into the ring member 37 that is vertically connected to connect the adjacent wall members 31 to each other. In this manner, the six wall members 31 are connected to each other. The adjacent ones are connected to each other to form a hexagonal peripheral wall portion 30A in plan view.
Has been built. Then, the roof member 32 is placed and fixed on the upper end side of the peripheral wall portion 30A, and the soundproof tent 30 is constructed.

The soundproof tent 30 configured as described above includes an air supply means mainly including the blower 10 as in the soundproof tent 1 according to the first embodiment of the present invention, and a dust collector 1.
Dust discharging means having a main configuration 2 and a spot air conditioner 1
6 and a cool air blower 14 are provided as main components, and the soundproof tent 30 is provided with an entrance through which an operator can enter and exit, and an opening / closing door for opening and closing the entrance (both are not shown). ) Is provided.

The soundproof tent 30 is erected on the slab S so that the pile head K-1 of the concrete pile K is located inside. Then, the worker F wearing the airtight clothes enters the soundproof tent 30, and a dedicated tool (a breaker or the like) is used.
(Not shown) to scrape the pile head K-1
Make the level so that it is flat so that the steel frame can be installed.

In this case, fresh air is supplied into the soundproof tent 30 by the operation of the blower 10, and dust generated in the soundproof tent 30 by the operation of the dust collector 12 is discharged to the outside. A tube 15 connected to the discharge side of the cool air blower (compressor for intake air) 14 is connected to the airtight clothes, and the cool air blower 14 is operated to supply cool air into the airtight clothes of the worker F.

The soundproof tent 30 is composed of a roof member 32 having the same structure as a wall member 31 in which a soundproof sponge material 33 and a glass wool material 34 are laminated and a soundproof sheet 35 made of glass wool is laminated on the outer surface side. At the stage when the sound wave passes through the inside, the internal fibers vibrate according to the sound wave, absorbing the energy of the sound and soundproofing,
The noise generated during the cutting work of the pile head K-1 using a dedicated tool (breaker or the like) is prevented from leaking outside.

Further, since the fresh air is introduced into the soundproof tent 30 by the operation of the blower 10 and the dust generated in the soundproof tent 1 by the operation of the dust collector 12 is discharged to the outside. Since cool air is supplied into the airtight clothes of the worker by operation of the cool air blower 14, a better working environment can be secured for the worker F, and mainly pneumoconiosis can be prevented.

As described above, the soundproof tent 30 is erected on the slab S so that the pile head K-1 of the concrete pile K is located inside the tent 30, so that noise is suppressed for the residents in the vicinity and dust is reduced. By reducing the amount, it is possible to minimize the deterioration of the living environment, especially for workers, mainly for the purpose of preventing pneumoconiosis, it is possible to ensure a better working environment, By taking care of the above two parties for the general contractor, it is possible not only to supply buildings with more stable quality, but also to improve the corporate image.

(Embodiment 4) FIGS. 10 and 11 show a soundproof tent structure according to Embodiment 4 of the present invention. This soundproof tent structure includes a soundproof tent 40 of a balloon combination type. The soundproof tent 40 is composed of a wall member 41 made of a balloon, a disk-shaped roof member 42 also made of a balloon, and fixing means made up of a fixing cable 43 and a weight 44.

The wall member 41 is constructed by enclosing air or a gas having a low specific gravity in a rectangular soundproof balloon main body 41A surrounded by a thin film (thin plate) having no air permeability. Also,
Similarly, the roof member 42 is formed by enclosing a disc-shaped soundproof balloon main body 42A surrounded by a non-permeable thin film (thin plate) with air or gas having a low specific gravity.

Then, the twelve wall members 41 are assembled to construct the peripheral wall portion 40A of the soundproof tent 40.
The soundproof tent 40 is shaped by placing and fixing the roof member 42 on the upper end side of the floor.

Then, the roof member 4 of the soundproof tent 40
The fixed ropes 4 are provided at four places in the circumferential direction of the peripheral wall portion 2.
3 are locked, and the four terminal portions 43A of these fixed ropes 43 are locked to a weight 44 installed (fixed) on the ground.

The soundproof tent 40 constructed as described above includes an air supply means having a blower 10 as a main component, similarly to the soundproof tent 1 according to the first embodiment of the present invention, and a dust collector 1.
Dust discharging means having a main configuration 2 and a spot air conditioner 1
6 and a cool air blower 14 are provided as main components. The soundproof tent 40 has an entrance through which the worker F can enter and exit, and an opening and closing door for opening and closing the entrance (both are shown in the drawing). Z) is provided.

The soundproof tent 40 is erected on the slab S such that the pile head K-1 of the concrete pile K is located inside. Then, the worker F wearing the airtight clothes enters the soundproof tent 40, and special tools (such as a breaker) are used.
(Not shown) to scrape the pile head K-1
Make the level so that it is flat so that the steel frame can be installed.

In this case, fresh air is supplied into the soundproof tent 40 by the operation of the blower 10 and dust generated in the soundproof tent 40 by the operation of the dust collector 12 is discharged to the outside. A tube 15 connected to the discharge side of the cool air blower (compressor for intake air) 14 is connected to the airtight clothes, and the cool air blower 14 is operated to supply cool air into the airtight clothes of the worker F.

The soundproof tent 40 has the same structure as the wall member 41 in which air or a gas having a low specific gravity is sealed in a rectangular soundproof balloon main body 41A surrounded by a non-breathable thin film (thin plate). Because it is composed of the roof member 42,
Resonance occurs due to the elasticity of air or gas having a low specific gravity and the vibration of the thin film. By converting the sound energy into heat energy, the sound energy is absorbed and soundproofed, and a special tool (breaker, etc.) is used. The pile head K-
The noise generated during the cutting work 1 is prevented from leaking outside.

In addition, since the fresh air is introduced into the soundproof tent 40 by the operation of the blower 10 and the dust generated in the soundproof tent 40 by the operation of the dust collector 12 is discharged outside. Since cool air is supplied into the airtight clothes of the worker F by the operation of the cool air blower 14, a better working environment can be secured for the worker F, and mainly pneumoconiosis can be prevented. .

As described above, the soundproof tent 40 is erected on the slab S such that the pile head K-1 of the concrete pile K is located inside the tent 40, so that noise is suppressed for nearby residents and dust is reduced. By reducing the amount, it is possible to minimize the deterioration of the living environment, especially for workers, mainly for the purpose of preventing pneumoconiosis, it is possible to ensure a better working environment, By taking care of the above two parties for the general contractor, it is possible not only to supply buildings with more stable quality, but also to improve the corporate image.

[0070]

As described above, according to the soundproofing structure of the present invention, the enclosed work space is formed so that the pile head of the concrete pile is located inside the work space, so that the surrounding residents can be protected. Can reduce the noise and reduce the amount of dust, thereby minimizing the deterioration of the living environment.Especially, for workers, a better working environment is mainly aimed at preventing pneumoconiosis. By considering and devising the above two parties for the general contractor, it is possible not only to supply buildings with more stable quality, but also to improve the corporate image. Become.

According to the soundproofing structure of the present invention, the air supply means for supplying fresh air into the closed work space and the dust discharge means for discharging dust generated in the closed work space to the outside by the dust collector. And cool air supply means for supplying cool air to the airtight clothes of a worker working in the closed work space, whereby fresh air is supplied into the closed work space by the air supply means, and The dust generated by the dust collector in the enclosed work space can be discharged to the outside, and the cool air supply means can supply cool air into the airtight clothes of the worker, providing a better working environment for the worker. Can be secured.

According to the soundproofing structure of the present invention, the closed working space is a hollow double-walled structure having inner and outer wall members, and the space between the inner and outer wall members is compressed air or specific gravity. The air-dome type soundproof tent filled with light gas, etc., and the fixing means for fixing this soundproof tent to the installation surface side provide the sound insulation of the inner and outer wall surfaces and the air or light gas. The sound is prevented by the combined effect of elasticity and the like, and the noise generated during the work of cutting the pile head using a dedicated tool (breaker or the like) can be prevented from leaking outside.

Further, according to the soundproof construction structure of the present invention, the closed work space is constructed by combining a plurality of wall members made of a soundproof board in which a porous material is formed in a board shape to form a peripheral wall portion of the soundproof tent. A roof member made of a soundproof board is placed and fixed on the upper end side of the peripheral wall portion, and the soundproof tent is fixed to the installation surface side by fixing means, so that at the stage where the sound wave passes through the inside, The fiber vibrates along with the sound wave to absorb the sound energy and prevent sound. The noise generated when cutting the pile head using a special tool (breaker, etc.) is reduced. Leakage can be prevented.

Further, according to the soundproof construction structure of the present invention, the enclosed work space is made of a composite soundproof board in which a soundproof sponge material and a glass wool material are laminated, and a soundproof sheet made of glass wool is laminated on the outer surface side. By constructing the surrounding wall of the soundproof tent by combining a plurality of sheets, and by mounting and fixing a roof member made of a composite soundproof board on the upper end side of the surrounding wall, at the stage where the sound wave passes inside, The internal fibers vibrate in accordance with the sound waves, absorbing the energy of the sound and preventing sound. Noise generated when cutting the pile head using a special tool (breaker, etc.) Can be prevented from leaking out.

Further, according to the soundproof construction structure of the present invention, a plurality of rings are arranged and fixed at equal intervals on one side edge of the composite soundproof board, and a plurality of rings are mounted on the other side edge of the composite soundproof board body. The ring body is arranged and fixed corresponding to the gap between the ring bodies provided on one side edge, and the gap between the ring bodies on one side edge of one wall member among the adjacent wall members. By inserting the ring of the other side edge of the other wall member and inserting the support shaft into the vertically connected ring, the adjacent wall members are connected to each other, and in this manner, a plurality of wall members are connected. The member can be connected to its neighbors to form a polygonal peripheral wall,
Construction of the polygonal peripheral wall portion can be performed easily and quickly.

According to the soundproofing structure of the present invention, the closed working space is made up of a plurality of wall members formed by enclosing air or gas having a low specific gravity in a soundproofing balloon body surrounded by a non-breathable thin film. In combination, a peripheral wall of the soundproof tent is constructed, and a roof member composed of a soundproof balloon body filled with air or gas having a low specific gravity is placed and fixed on the upper end side of the peripheral wall, and the roof member is fixed to the installation surface by fixing means. By being fixed to the side, resonance occurs due to the elasticity of air or gas having a low specific gravity and the vibration of the thin film, and by converting the sound energy to heat energy, the sound energy is absorbed and soundproofed, It is possible to prevent noise generated during the work of cutting the pile head using a dedicated tool (such as a breaker) from leaking out.

Further, according to the pile head treatment method according to the present invention, when performing the cutting operation and the dismantling work of the pile head of the concrete pile, the concrete pile is covered with a soundproof structure, and airtight clothes are mounted in the soundproof structure. Workers who enter the workplace and use dedicated tools to reduce noise and reduce the amount of dust to the surrounding residents, minimizing the deterioration of the living environment. In particular, it is possible to secure a better working environment for workers mainly for the purpose of preventing pneumoconiosis, and for general contractors, by giving consideration and devising to the above two people, Not only will it be possible to supply buildings of stable quality, but it will also lead to an improved corporate image.

Further, according to the pile head treatment method of the present invention, fresh air is supplied into the soundproofing structure by the air supply means, and the dust generated in the soundproofing structure is discharged to the outside by the dust collector of the dust discharging means. By supplying cool air into the airtight clothes by the cool air supply means, a more favorable working environment can be secured for the worker.

[Brief description of the drawings]

FIG. 1 shows a soundproof building structure according to the present invention (first embodiment).
It is a perspective view of.

FIG. 2 is a vertical sectional view of the soundproofing structure (Embodiment 1).

FIG. 3 is an explanatory diagram showing a state where incidental facilities are arranged in the soundproof building structure (Embodiment 1).

FIG. 4 shows a soundproof building structure according to the present invention (Embodiment 2).
It is a perspective view of.

FIG. 5 is a longitudinal sectional view of the soundproofing structure (Embodiment 2).

FIG. 6 shows a soundproof building structure according to the present invention (Embodiment 3).
It is a perspective view of.

FIG. 7 is a front view of a wall member in the soundproofing structure structure (Embodiment 3).

FIG. 8 is a plan view of the wall member.

FIG. 9 is a cross-sectional view of the wall member.

FIG. 10 is a perspective view of a soundproof building structure (Embodiment 4) according to the present invention.

FIG. 11 is a longitudinal sectional view of the soundproofing structure (Embodiment 4).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Soundproof tent 2 Inner wall body 3 Outer wall body 4 Space part 5 Fixed cable (fixing means) 6 Weight (fixing means) 7 First pipe through hole 8 Second pipe through hole 9 Third pipe Through-hole section 10 Blower (air supply means) 11 Air supply pipe 12 Dust collector (dust discharge means) 13 Exhaust pipe (dust discharge means) 14 Cold air blower (cool air supply means) 15 Tube (cool air supply means) 16 Spot air conditioner ( (Cold air supply means) 20 Soundproof tent 20A Peripheral wall part 21 Wall member 22 Roof member 23 Fixed cable (Fixing means) 24 Weight (Fixing means) 30 Soundproof tent 30A Peripheral wall part 31 Wall member 32 Roof member 33 Soundproof sponge material 34 Glass wool material 35 Soundproof sheet material 36 Composite soundproof board 37 Ring body 38 Gap 39 Support shaft 40 Soundproof tent 40A Peripheral wall 41 Wall member 42 Roof member 43 Fixed cable Fixing means) 44 heavy weight (fixing means) F operator K concrete pile K-1 Pile

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) F24F 7/00 F24F 7/00 Z F Term (Reference) 2D041 AA01 BA37 DA01 2E141 AA01 BB01 BB05 CC01 CC05 DD06 DD13 DD14 DD27 EE03 EE33 FF02 GG01 GG11 2E176 AA01 BB36 DD11 DD64 3B117 AA01 BA23 3L056 BA06 BC01

Claims (9)

[Claims] 1. A sealing work for an operator wearing airtight clothes to enter a pile head and perform a pile head processing operation using a special tool in the processing of a pile head for cutting and dismantling a pile head of a concrete pile. A soundproof building structure characterized by forming a space. 2. An air supply means for supplying fresh air into the closed work space, a dust discharge means for discharging dust generated in the closed work space by a dust collector, and a work in the closed work space. The soundproofing structure according to claim 1, further comprising: a cool air supply unit configured to supply cool air into the airtight clothes of the worker. 3. The closed working space is a hollow double-walled structure having inner and outer wall members, and an air space in which compressed air or gas having a low specific gravity is filled in a space between the inner and outer wall members.
The dome-shaped soundproof tent and a fixing means for fixing the soundproof tent to the installation surface side.
2. The soundproofing construction structure of claim 1. 4. The closed working space is constructed by combining a plurality of wall members made of a soundproof board in which a porous material is formed in a board shape to form a peripheral wall portion of a soundproof tent. The soundproofing structure according to claim 1 or 2, wherein the roofing member is mounted and fixed, and the soundproof tent is fixed to the installation surface side by fixing means. 5. A peripheral wall portion of a soundproof tent by combining a plurality of wall members formed of a composite soundproof board in which a soundproof sponge material and a glass wool material are laminated and a soundproof sheet made of glass wool is laminated on the outer surface side. The soundproofing structure according to claim 1 or 2, wherein a roof member made of a composite soundproofing board is mounted and fixed on an upper end side of the peripheral wall portion. 6. A plurality of rings are arranged and fixed at equal intervals on one side edge of the composite soundproof board, and the plurality of rings are fixed on the other side edge of the composite soundproof board main body on the one side. In the gap between the rings at the one side edge of the one wall member, the gap is fixedly arranged corresponding to the gap between the rings provided at the edge, and By inserting the annular body at the other side edge of the other wall member and inserting a support shaft into the vertically connected annular body, the adjacent wall members are connected to each other. The soundproof building structure according to claim 5, wherein a plurality of said wall members are connected to each other to form a polygonal peripheral wall portion. 7. A soundproof tent is constructed by combining a plurality of wall members in which air or a gas having a low specific gravity is enclosed in a soundproof balloon body enclosing the closed working space with a thin film having no air permeability. On the upper end side of the peripheral wall portion, a roof member made of the soundproof balloon body filled with the air or gas having a low specific gravity is mounted and fixed, and the roof member is fixed to the installation surface side by fixing means. Claim 1 or Claim 2
2. The soundproofing construction structure of claim 1. 8. When the pile head of a concrete pile is to be chipped or dismantled, the concrete pile is covered with a soundproofing structure, and a worker wearing airtight clothes enters the soundproofing structure, and a special tool is used. A pile head treatment method characterized in that the work is carried out with the work. 9. A fresh air is supplied into the soundproofing structure by an air supply means, dust generated in the soundproofing structure is discharged outside by a dust collector of a dust discharging means, and the inside of the airtight clothes is cooled by a cool air supply means. 9. The pile head treatment method according to claim 8, wherein cool air is supplied to the pile head.