JP6879613B1 - Curing system at the time of building demolition and demolition method of the building to be demolished - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a curing system at the time of building demolition and a method of demolition of a building to be demolished, which can prevent downward deflection of the curing net and improve the work efficiency of building demolition work. A curing system 1 extends along a horizontal direction of a building 10 to be dismantled, and a vertical truss 40 and an outer scaffolding 22 which are vertical support members provided along the vertical direction of the building 10 to be dismantled. It is provided with a horizontal truss 30 supported by a vertical truss 40 and an outer peripheral scaffold 22, and a horizontal curing net 23a supported by the horizontal truss 30 and covering the building 10 to be dismantled from above. [Selection diagram] Fig. 3

Description

The present invention relates to a curing system at the time of demolition of a building and a method of demolition of a building to be demolished.

A curing system at the time of building demolition is known to put up a curing net covering the building to be demolished for the purpose of preventing the scattering of dust and building material debris generated at the time of demolition of the building. The curing system at the time of building demolition described in Patent Document 1 covers the building to be demolished by a curing net attached to a wire stretched between a pair of steel columns.

Japanese Unexamined Patent Publication No. 2007-270432

However, when the building to be demolished is covered from above by using a curing net attached to the wire as in the curing system at the time of building demolition shown in Patent Document 1, the wire bends downward due to the weight of the curing net. As a result, the curing net stretched horizontally above the building also bends downward. As a result, the height of the curing net with respect to the top of the building to be demolished becomes low, which hinders the free movement of heavy machinery and may reduce the work efficiency of the building demolition work.

The present invention has been made to solve such a problem, and an object of the present invention is to prevent downward deflection of the curing net and to improve the work efficiency of building demolition work.

In order to solve the above problems, the curing system at the time of building dismantling according to the present invention extends along the vertical direction of the building to be dismantled and the vertical support member provided along the vertical direction of the building to be dismantled. and it is composed of a plurality of horizontal truss member having a truss structure, the horizontal support member which is supported by the vertical support member is supported by a horizontal support member, and a curing member for covering the building to be dismantled from above, vertical the support member includes a work platform that is provided along the side portion of the building to be dismantled, each horizontal truss members, Ru can der to change the vertical position independently.

Also, work platform has a first work platform provided along the side surface portions of a pair of opposed building to be dismantled, the first work platform opposite to it by a horizontal support member It may be moored.
Also, work platform has a second working scaffolding provided along the side portion of the building to be dismantled extending in different directions with respect to the side portions of the pair of opposing the building to be dismantled, the A space portion may be provided between the first work scaffold and the second work scaffold.
Further, a hoist for changing the vertical position of the horizontal truss member may be further provided.
Further, the vertical support member may include a columnar member extending in the vertical direction from the upper part of the building to be demolished and having a truss structure.
Further, the horizontal truss member may be made of an aluminum alloy.

Further, in order to solve the above problems, the method of dismantling a building to be demolished according to the present invention is for work provided along the vertical direction of the building to be demolished and along the side surface of the building to be demolished. A plurality of horizontal trusses having a truss structure , supported by the vertical support member and extending along the horizontal direction of the building to be demolished, after the step of providing the vertical support member including the scaffold and the step of providing the vertical support member. It is composed of members, and each horizontal truss member can change its position in the vertical direction independently. After the step of providing the horizontal support member and the step of providing the horizontal support member, the horizontal support member is supported and disassembled. It has a step of providing a curing member that covers the building to be demolished from above, and a step of dismantling the building to be demolished after the step of providing the curing member.

Further, the step of dismantling the building to be demolished is a step of changing the vertical position of the horizontal support member when the altitude of the building to be demolished changes due to the progress of demolishing the building to be demolished. You may have.
Further, the vertical support member extends in the vertical direction from the upper part of the building to be demolished , includes a columnar member having a truss structure, and the step of demolishing the building to be demolished changes the vertical position of the horizontal support member. After the process, the step of dismantling the upper part of the building to be demolished other than the position where the columnar member is provided, and then the position of the upper part of the building to be demolished where the columnar member is provided are dismantled. It may include a step and then a step of lowering the columnar member.
Also, provision of the work scaffolding step includes a first work platform along at least one side portion of the building to be dismantled, the side surface portion of the building to be dismantled extending in different directions with respect to at least one side portion A second work scaffold along the above may include a step of providing a space portion between the first work scaffold and the second work scaffold.

The curing system at the time of demolition of a building and the method of demolition of a building to be demolished according to the present invention include a vertical support member provided along the vertical direction of the building to be demolished and an extension along the horizontal direction of the building to be demolished. A horizontal support member that is supported by the vertical support member is provided, and the curing member is supported by the horizontal support member. Therefore, it is possible to prevent the curing member from bending downward and improve the work efficiency of the building demolition work. it can.

It is a front schematic view of the curing system at the time of building demolition which concerns on Embodiment 1 of this invention. It is a top view of the curing system at the time of building demolition shown in FIG. It is a front sectional view of the upper part of the curing system at the time of building demolition shown in FIG. It is a perspective view which shows a part of the curing system at the time of building demolition shown in FIG. FIG. 3 is a perspective view of the outer peripheral scaffold shown in FIG. 3 as viewed from above. FIG. 5 is a perspective view of the outer peripheral scaffold shown in FIG. 5 as viewed from below. It is a perspective view which shows the upper part of the vertical truss shown in FIG. It is a front sectional view which shows the 1st state at the time of dismantling a building by using the building dismantling method which concerns on Embodiment 1 of this invention. It is a front sectional view which shows the 2nd state at the time of dismantling a building by using the building dismantling method which concerns on Embodiment 1 of this invention. It is a front sectional view which shows the 3rd state at the time of dismantling a building by using the building dismantling method which concerns on Embodiment 1 of this invention. It is a front sectional view which shows the 4th state at the time of dismantling a building by using the building dismantling method which concerns on Embodiment 1 of this invention. It is a side sectional view which shows the 5th state at the time of dismantling a building by using the building dismantling method which concerns on Embodiment 1 of this invention. It is a front sectional view which shows the sixth state at the time of dismantling a building by using the building dismantling method which concerns on Embodiment 1 of this invention. It is a front sectional view which shows the 7th state at the time of dismantling a building by using the building dismantling method which concerns on Embodiment 1 of this invention. It is a top view of the curing system which concerns on Embodiment 2 of this invention. It is a front view of the curing system shown in FIG. It is an example of a building demolition work using the curing system shown in FIG.

Embodiment 1.
Hereinafter, the first embodiment of the curing system at the time of building demolition and the method of demolition of the building of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a front schematic view of a curing system according to the present invention. The curing system 1 is provided to prevent the scattering of dust generated in the demolition work of the building 10 to be demolished, and the scattering and falling of debris and waste of the building components. The curing system 1 is constructed above the building 10 with a soundproof panel 21 constructed on the outer peripheral portion along the side surface portion of the building 10, an outer peripheral scaffold 22 as a work scaffold constructed on the outer peripheral portion of the soundproof panel 21. It has a horizontal truss 30 which is a beam-shaped member, a vertical truss 40 which is a columnar member, and a horizontal curing net 23a and a vertical curing net 23b supported by the horizontal truss 30. The horizontal truss 30 and the vertical truss 40 are truss structural members having a rectangular parallelepiped shape as a whole, which are generally called box trusses. The horizontal curing net 23a and the vertical curing net 23b cover the outer peripheral portion of the building 10 from above the building 10. The detailed shapes of the soundproof panel 21, the outer peripheral scaffolding 22, and the vertical curing net 23b are omitted for convenience of explanation. Further, the outer peripheral scaffold 22 constitutes a work scaffold and a vertical support member, the horizontal curing net 23a and the vertical curing net 23b constitute a curing member, and the horizontal truss 30 constitutes a horizontal support member. The vertical truss 40 constitutes a columnar member and a vertical support member.

FIG. 2 is a plan view of the curing system 1 shown in FIG. In the first embodiment, the horizontal direction of the drawing in FIG. 2 is the arrow X direction, and the vertical direction of the drawing in FIG. 2 is the arrow Y direction. The arrow X direction corresponds to the horizontal direction of the building 10, and the arrow Y direction corresponds to the vertical direction of the building 10. The outer peripheral scaffold 22 includes an outer peripheral scaffold 22 provided along the side surface portion extending in the arrow X direction of the building 10 and an outer peripheral scaffold 22 provided along the side surface portion extending in the arrow Y direction of the building 10. .. Above the building 10, two horizontal trusses 30 that are close to the outer peripheral scaffold 22 and extend along the arrow Y direction, and two horizontal trusses that are close to the outer peripheral scaffold 22 and extend along the arrow X direction. 30 is provided. Further, two horizontal trusses 30 extending along the arrow Y direction are provided between the horizontal trusses 30 extending along the arrow Y direction, and the arrow X is provided between the horizontal trusses 30 extending along the arrow X direction. Two horizontal trusses 30 extending along the direction are provided. That is, a total of four horizontal trusses 30 are provided above the building 10 along the arrow Y direction, and a total of four horizontal trusses 30 are provided along the arrow X direction. Further, a total of four vertical trusses 40 are provided. In the central portion of the building 10, a total of four orthogonal portions 32 are formed in which the horizontal truss 30 extending along the arrow Y direction and the horizontal truss 30 extending along the arrow X direction are orthogonal to each other. In the orthogonal portion 32, each vertical truss 40 is orthogonal to the horizontal truss 30. Further, in the outer peripheral side portion of the building 10, a horizontal truss 30 extending along the arrow Y direction and an orthogonal portion 32a in which the horizontal truss 30 extending along the arrow X direction are orthogonal to each other are formed.

The horizontal truss 30 and the vertical truss 40 are formed by connecting an arbitrary number of longitudinal truss members having a truss structure having a constant length so as to extend in the longitudinal direction. The horizontal truss 30 and the vertical truss 40 are made of an aluminum alloy, but if the strength and weight are appropriate, other types of metal materials such as steel and materials other than metals such as wood may be used. It may be formed.

FIG. 3 is a front sectional view showing the upper part of the building 10 enlarged by cutting the curing system 1 shown in FIG. 2 along the AA'line. In the first embodiment, the vertical direction of the drawing in FIG. 3 is the arrow Z direction. Further, for convenience of explanation, the description of the specific shape of the vertical curing net 23b is omitted in FIGS. 3 and 8 to 14, and further, the vertical direction of the building 10, that is, the arrow Y direction (see FIG. 2). The description of the outer peripheral scaffold 22 on the back side of the above is omitted. Further, the arrow Z direction corresponds to the direction perpendicular to the ground 13 (see FIG. 1) on which the building 10 is built. The horizontal curing net 23a is provided while avoiding the vertical truss 40 so as not to interfere with the vertical truss 40 protruding upward from the horizontal truss 30. On the floor of the roof of the building 10, that is, on the upper part of the first floor 12a, for example, a tower 11 used for an elevator machine room (not shown) is built. Below the first floor floor 12a of the building 10, there is a second floor 12b, which is the floor immediately below the rooftop. Further, below the second floor floor portion 12b of the building 10, a third floor portion, a fourth floor floor portion, and the like (not shown) are sequentially present on each floor. Further, the building 10 has an outer wall portion 12c forming a side surface portion of the building 10 on each floor.

The soundproof panel 21 is a known soundproof panel constructed on the outside of the outer wall portion 12c of the building 10. The outer peripheral scaffold 22 constructed on the outside of the soundproof panel 21 is a work scaffold used for the demolition work of the building 10. Further, the outer peripheral scaffold 22 is configured by stacking a plurality of stages of scaffolds along the direction of the arrow Z, and is assembled so that the height thereof is higher than the height of the first floor floor portion 12a of the building 10. There is. Brackets 24 projecting in the direction of the building 10 are provided on the uppermost stage and the second stage of the outer peripheral scaffold 22. A scaffolding hoist 26 is provided on the bracket 24 provided on the outermost scaffolding 22 on the uppermost stage.

A vertical truss 40 is erected on the first floor 12a of the building 10. The vertical truss 40 is erected so as to extend along the direction of arrow Z. Further, the height of the vertical truss 40 is configured to be higher than the height of the tower 11. The lower part of the vertical truss 40 is fixed to the first floor floor portion 12a by the anchor 45. A horizontal truss suspension hoist 43 is provided at the upper end portion 41 of the vertical truss. The horizontal truss 30 extending in a direction orthogonal to the vertical truss 40, that is, in the horizontal direction, can be suspended from the upper end portion 41 of the vertical truss by the horizontal truss suspension hoist 43, and is suspended from the outer peripheral scaffold 22 by the scaffolding hoist 26. be able to. The horizontal truss 30 is provided with a vertical truss lowering hoist 44 in the vicinity of a portion orthogonal to the vertical truss 40. The vertical truss lowering hoist 44 is used when lowering the vertical truss 40 in the demolition work of the building 10, as will be described in detail later. For the scaffolding hoist 26, the horizontal truss suspension hoist 43, and the vertical truss lowering hoist 44, any hoist such as a known chain block can be used.

FIG. 4 is a perspective view showing a part of the periphery of the tower 11 of the curing system 1 shown in FIG. In FIG. 4, for convenience of explanation, the description of the soundproof panel 21, the outer peripheral scaffolding 22, the horizontal curing net 23a, and the vertical curing net 23b is omitted. The horizontal truss 30 is arranged at a position higher than the tower 11 in the direction of arrow Z with respect to the first floor floor portion 12a of the building 10.

FIG. 5 is a perspective view of the outer peripheral scaffold 22 shown in FIG. 3 as viewed from above. The outer peripheral scaffold 22 is provided with columns 25 at predetermined intervals. The support column 25 is provided with a tread plate support portion 28 extending in the horizontal direction at each step height of the outer peripheral scaffold 22. The tread plate 22a of each step of the outer peripheral scaffold 22 is supported by the tread plate support portion 28. A scaffolding hoist 26 having a scaffolding hoist hook 26a is suspended from the bracket 24 of the outer peripheral scaffolding 22. The scaffolding hoist 26 is provided to connect the scaffolding hoist hook 26a to the horizontal truss 30 and suspend the horizontal truss 30. A horizontal truss 30 is provided on the upper side of the bracket 24. Further, the bracket 24 is configured so that it can be moved up and down along the support column 25 and can be removed from the support column 25. The support column 25 is provided with a scaffolding binding clamp 29 for binding the main material of the horizontal truss 30 to the support column 25.

FIG. 6 is a perspective view of the outer peripheral scaffold 22 shown in FIG. 5 as viewed from below. The horizontal truss 30 is provided with a rod-shaped truss fixing member 27 that is oriented orthogonal to the horizontal truss 30 and extends in the horizontal direction. The truss fixing member 27 is provided to assist fixing the horizontal truss 30 and the horizontal truss 30 on the opposite side (not shown), and may not necessarily be provided.

FIG. 7 is a perspective view showing the upper part of the vertical truss 40 shown in FIG. A joint member 33 is provided at the orthogonal portion 32 of the horizontal truss 30 and the vertical truss 40. The joint member 33 is a cube-shaped frame-shaped member for connecting the horizontal truss 30 and the vertical truss 40, which is formed by providing rod-shaped members on each side portion of the cube. The contact member 33 is made of the same material as the horizontal truss 30 and the vertical truss 40, such as other types of metal materials such as aluminum alloy or steel or wood. Further, the tip portion of the horizontal truss 30 is connected to the joint member 33 from the horizontal direction. Further, a vertical truss 40 penetrates the joint member 33 from the lower side to the upper side. The vertical truss 40 is movably connected to the joint member 33. That is, the vertical truss 40 is movably connected to the horizontal truss 30 in the direction of the arrow Z. As a result, the horizontal truss 30 and the vertical truss 40 are connected orthogonally by the joint member 33. In FIG. 7, the horizontal truss 30 and the vertical truss 40 are connected by the contact member 33, but as shown in FIG. 2, there is no vertical truss 40, and even in the orthogonal portion 32a where the plurality of horizontal trusses 30 are orthogonal to each other. , A plurality of horizontal trusses 30 are connected by a contact member 33.

A hanging member 42 made of a metal material such as stainless steel is provided above the upper end portion 41 of the vertical truss. The hanging member 42 is formed by forming two metal plates so as to be orthogonal to each other, and a hanging hole 42a for hanging the horizontal truss hanging hoist 43 is formed at the tip of each metal plate. The horizontal truss suspension hoist 43 has a horizontal truss suspension hook 43a. By attaching the horizontal truss hanging hook 43a to the horizontal truss 30, the horizontal truss hanging hoist 43 suspends the horizontal truss 30. Further, a vertical truss lowering hoist 44 is suspended from the horizontal truss 30. The vertical truss unloading hoist 44 is provided with a vertical truss unloading hook 44a. The vertical truss lowering hoist 44 is provided for connecting the vertical truss lowering hook 44a to the vertical truss 40 and suspending the vertical truss 40.

Next, a method of dismantling a building to be demolished using the curing system of the first embodiment will be described.
First, as shown in FIG. 3, a soundproof panel 21 is constructed on the outer peripheral portion of the building 10 to be demolished by the operator, and further, an outer peripheral scaffold 22 is constructed on the outside of the soundproof panel 21. At this time, the outer peripheral scaffold 22 is constructed so that the uppermost position thereof is higher than the tower 11 of the building 10. Next, the operator installs the brackets 24 on the outermost scaffold 22 on the uppermost stage and the outer peripheral scaffold 22 on the second stage from the top. Next, the operator suspends the scaffolding hoist 26 on the bracket 24 of the outermost scaffolding 22 on the uppermost stage.

Next, the worker assembles the vertical truss 40 by combining the truss members on the first floor floor portion 12a. Next, the operator attaches the horizontal truss suspension hoist 43 to the suspension member 42 of the vertical truss upper end 41 of the vertical truss 40. Next, the operator fixes the lower end portion of the vertical truss 40 to the first floor floor portion 12a by the anchor 45. Next, the worker uses an aerial work platform or the like to combine truss members at the upper part of the bracket 24 of the outer peripheral scaffold 22 on the second stage from the top, and attaches the truss member to the bracket 24 on the outer peripheral scaffold 22 on the second stage from the top. Assemble the horizontal truss 30 so that the horizontal truss 30 is supported. At this time, as shown in FIG. 7, at the orthogonal portion 32 between the horizontal truss 30 and the vertical truss 40, the horizontal truss 30 and the vertical truss 40 are connected by the joint member 33. At this time, even at the orthogonal portion 32a where the horizontal trusses 30 are orthogonal to each other as shown in FIG. 2, the horizontal trusses 30 are connected to each other by the joint member 33. As a result, as shown in FIG. 3, the horizontal truss 30 is supported by the bracket 24 of the outer peripheral scaffold 22 in the second stage from the top. As shown in FIG. 6, the truss fixing member 27 may be provided on the outer peripheral scaffold 22. Next, with reference to FIG. 3 again, the operator suspends the vertical truss lowering hoist 44 from the horizontal truss 30 in the vicinity of the orthogonal portion 32 between the horizontal truss 30 and the vertical truss 40. Next, the worker extends the horizontal curing net 23a on the upper part of the horizontal truss 30. Further, the worker extends the vertical curing net 23b on the horizontal truss 30 on the outer peripheral side of the building 10.

As a result, as shown in FIG. 3, the upper part of the building 10 is covered with the horizontal curing net 23a and the vertical curing net 23b extended on the horizontal truss 30. The length of the vertical curing net 23b in the arrow Z direction at this time is appropriately adjusted by, for example, the length from the horizontal truss 30 to the top of the soundproof panel 21. As a result, in the subsequent demolition work of the building 10, it is possible to prevent the dust and debris of the building material from being scattered and dropped, and the tools and the like used for the demolition work from being scattered and dropped.

FIG. 8 is a front sectional view showing a first state when the building is demolished by using the building demolition method according to the first embodiment of the present invention. In the drawings below FIG. 8, for convenience of explanation, the vertical truss 40 on the right side in the figure is referred to as a first vertical truss 40a, and the vertical truss 40 on the left side in the figure is referred to as a second vertical truss 40b. The worker arranges a heavy machine 60 such as a hydraulic excavator on the first floor floor portion 12a of the building 10 by using a crane or the like (not shown). Next, the heavy machine 60 dismantles the tower 11.

FIG. 9 is a front sectional view showing a second state when the building is demolished by using the building demolition method according to the first embodiment of the present invention. Next, the heavy equipment 60 dismantles the outer first floor 12a of the building 10 and the outer wall 12c connected to the outer first floor 12a.

FIG. 10 is a front sectional view showing a third state when the building is demolished by using the building demolition method according to the first embodiment of the present invention. Next, the operator connects the scaffolding hoist hook 26a of the scaffolding hoist 26 and the horizontal truss hanging hook 43a of the horizontal truss hanging hoist 43 to the horizontal truss 30, and the horizontal truss 30 is connected by the scaffolding hoist 26 and the horizontal truss hanging hoist 43. To hang. Next, the operator removes the bracket 24 of the outer peripheral scaffold 22 of the second stage from the top and attaches it to the outer peripheral scaffold 22 of the third stage from the top.

FIG. 11 is a front sectional view showing a fourth state when the building is demolished by using the building demolition method according to the first embodiment of the present invention. Next, the scaffolding hoist 26 and the horizontal truss suspension hoist 43 lower the horizontal truss 30 and place it on the bracket 24 of the outer peripheral scaffolding 22 on the third stage from the top. As a result, the horizontal truss 30 is supported by the bracket 24 of the outer peripheral scaffold 22 on the third stage from the top.

FIG. 12 is a front sectional view showing a fifth state when the building is demolished by using the building demolition method according to the first embodiment of the present invention. Next, the operator disconnects the scaffolding hoist 26 and the horizontal truss suspension hoist 43 from the horizontal truss 30. Next, the operator removes the bracket 24 of the outermost scaffolding 22 on the uppermost stage, attaches the bracket 24 to the outer peripheral scaffolding 22 on the second stage from the top, and attaches the scaffolding hoist 26 to the outer peripheral scaffolding 22 on the second stage from the top. Suspend on the bracket 24.

FIG. 13 is a front sectional view showing a sixth state when the building is demolished by using the building demolition method according to the first embodiment of the present invention. Next, the operator removes the anchor 45 of the second vertical truss 40b on the left side. Next, the vertical truss lowering hook 44a is connected to the second vertical truss 40b, and the vertical truss lowering hoist 44 lifts the second vertical truss 40b and floats it from the first floor floor portion 12a. Next, the worker lowers the heavy machine 60 from the first floor floor portion 12a to the second floor floor portion 12b by means such as a slope (glass rope) (not shown) using building materials of the dismantled building 10.

FIG. 14 is a front sectional view showing a seventh state when the building is demolished by using the building demolition method according to the first embodiment of the present invention. The heavy equipment 60 dismantles the first floor floor portion 12a below the suspended second vertical truss 40b. Next, the vertical truss lowering hoist 44 lowers the suspended second vertical truss 40b onto the second floor floor portion 12b. After that, the operator disconnects the vertical truss lowering hook 44a and the second vertical truss 40b. Next, the operator connects the lower end of the second vertical truss 40b to the second floor floor portion 12b by the anchor 45, and fixes the vertical truss 40 to the second floor floor portion 12b.

The first vertical truss 40a on the right side in FIG. 14 is also lowered to the second floor 12b by the same procedure as the second vertical truss 40b. Further, another vertical truss 40 (see FIG. 2) provided on the vertical side of the building 10, that is, the side in the arrow Y direction, which is not shown in FIG. 14, is also subjected to the same procedure as the second vertical truss 40b. It is lowered to the second floor floor 12b. By lowering the horizontal truss 30 and the vertical truss 40 in this way, the horizontal curing net 23a and the vertical curing net 23b extended on the horizontal truss 30 can be lowered according to the progress of the demolition work of the building 10. it can.

The horizontal curing net extended to the horizontal truss 30 by repeating the dismantling of each floor of the building 10 and the descent of the horizontal truss 30 and the vertical truss 40 on the second floor below the floor 12b by the method described above. The 23a and the vertical curing net 23b can be lowered sequentially for each floor.

In the first embodiment, since the horizontal curing net 23a is stretched on the horizontal truss 30 having high rigidity, the horizontal curing net 23a does not bend, and the height of the horizontal curing net 23a is set to a constant height from the top of the building 10. Can be kept horizontal. Therefore, the free movement of the heavy machine 60 is not hindered, and the work efficiency of the dismantling work is improved. Further, since the horizontal truss 30 has higher rigidity than the wire rope, the wind pressure is applied to the horizontal curing net 23a and the vertical curing net 23a and the vertical curing compared to the method of supporting the horizontal curing net and the vertical curing net with the wire rope using the prior art. It is possible to withstand higher wind pressure when the net 23b receives it, and the possibility of collapse of the curing system 1 is reduced.

Further, in the first embodiment, since the horizontal truss 30 is supported by the outer peripheral scaffold 22 and the vertical truss 40, the wire used in the configuration of supporting the horizontal curing net and the vertical curing net 23b with the wire rope using the prior art. There is no need to stand the H steel vertically to support the rope.

As described above, the curing system 1 at the time of demolition of the building of the first embodiment should be demolished with the vertical truss 40 and the outer peripheral scaffold 22 which are vertical support members provided along the vertical direction of the building 10 to be demolished. A horizontal truss 30 extending along the horizontal direction of the building 10 and supported by the vertical truss 40 and the outer scaffolding 22 and a horizontal curing net 23a supported by the horizontal truss 30 and covering the building 10 to be demolished from above. Therefore, it is possible to prevent the horizontal curing net 23a from bending downward and improve the work efficiency of the building demolition work.

Further, since the horizontal truss 30 has a truss structure, it can have a simple and inexpensive configuration, is lightweight and has high strength, and the weight of the entire curing system 1 is reduced.

Further, since the vertical support member includes the outer peripheral scaffolds 22 provided along the side surface portion of the building 10, the outer peripheral scaffolds 22 facing each other are connected to each other by the horizontal truss 30. As a result, the horizontal truss 30 can share a part of the load applied to the outer peripheral scaffold 22, and the strength of the outer scaffold 22 is improved. Further, the curing system 1 can be configured by temporary construction without changing the structural main body of the building 10.

Further, since the vertical support member includes the vertical truss 40 extending in the vertical direction from the upper part of the building 10 to be dismantled, the horizontal truss 30 is surely used even when the horizontal truss 30 is long. Can be supported.

Further, since the vertical truss 40 and the outer peripheral scaffolding 22 are configured so that the vertical position of the horizontal truss 30 can be changed in response to a change in the height of the building 10 to be demolished, the building 10 is demolished. The horizontal curing net 23a and the vertical curing net 23b can be extended to an appropriate height according to the progress.

Further, the method of dismantling the building of the present embodiment includes a step of providing a vertical truss 40 and an outer peripheral scaffold 22 which are vertical support members along the vertical direction of the building 10 to be demolished, and providing a vertical truss 40 and an outer peripheral scaffold 22. After the step, after the step of providing the horizontal truss 30 extending along the horizontal direction of the building 10 to be demolished and supported by the vertical truss 40 and the outer peripheral scaffolding 22, and the step of providing the horizontal truss 30, it is horizontal. Since it has a step of providing a horizontal curing net 23a supported by the truss 30 and covering the building 10 to be demolished from above, and a step of dismantling the building 10 to be demolished after the step of providing the horizontal curing net 23a, it is horizontal. It is possible to prevent the curing net 23a from bending downward and improve the work efficiency of the building demolition work.

Further, the step of dismantling the building 10 to be demolished is a step of changing the vertical position of the horizontal truss 30 when the altitude of the building 10 to be demolished changes due to the progress of demolishing the building 10 to be demolished. Therefore, the horizontal curing net 23a and the vertical curing net 23b can be extended to an appropriate height according to the progress of demolition of the building 10.

Further, the vertical support member includes a vertical truss 40 extending in the vertical direction from the upper part of the building 10 to be demolished, and the step of demolishing the building 10 to be demolished changes the vertical position of the horizontal truss 30. After the process, a step of dismantling the upper part of the building 10 to be demolished other than the position where the vertical truss 40 is provided, and then a vertical truss 40 of the upper part of the building 10 to be demolished Since the step of dismantling the position and the step of lowering the vertical truss 40 are included, the upper part of the building 10 to be demolished can be used as a support part of the vertical truss 40, and the structural body of the building 10 is changed. The building can be demolished easily and inexpensively by temporary construction without adding.

In the first embodiment, the vertical truss 40 is provided, but when the total length of the horizontal truss 30 required is short and the weight is small due to reasons such as the building 10 being narrow, the vertical truss 40 is not provided. , The horizontal truss 30 may be supported only by the outer peripheral scaffold 22. For example, when the horizontal truss 30 is made of an aluminum alloy, if the total length of the horizontal truss 30 is about 20 m or less, the horizontal truss 30 can be supported without providing the vertical truss 40. The length of the horizontal truss 30 that can be supported by the outer peripheral scaffold 22 without providing the horizontal truss is determined by the material of the horizontal truss and the like.

Further, in the first embodiment, as shown in FIG. 2, a total of four horizontal trusses 30 are provided along the arrow X direction, and a total of four horizontal trusses 30 are provided along the arrow Y direction. However, the number and length of the horizontal truss 30 and the vertical truss 40 are changed to an appropriate number depending on the size and structure of the building 10 to be dismantled, the weight of the horizontal curing net 23a and the vertical curing net 23b, and the location situation around the building 10. You may.

Further, in the first embodiment, a truss member is combined at the position of the outer peripheral scaffold 22 on the second stage from the top by using an aerial work vehicle or the like, and the bracket 24 of the outer peripheral scaffold 22 on the second stage from the top is used. The horizontal truss 30 was configured so as to support the horizontal truss 30, but the horizontal truss 30 was assembled in advance by combining truss members on the first floor floor portion 12a of the building 10, and a lifting device such as a hoist was used. The horizontal truss 30 may be lifted, the bracket 24 may be attached to the outer peripheral scaffold 22 on the second stage from the top, and the horizontal truss 30 may be installed so as to be supported by the bracket 24.

Embodiment 2.
Next, the second embodiment of the curing system at the time of building demolition and the building demolition method of the present invention will be described. In the second embodiment, the same reference numerals as those in FIGS. 1 to 14 of the first embodiment are the same or similar components, and thus detailed description thereof will be omitted. The curing system and the building dismantling method according to the second embodiment are the curing system and the building dismantling method capable of dismantling the building without arranging heavy machinery on the upper part of the building.
FIG. 15 is a plan view of the curing system 1a according to the second embodiment of the present invention. An outer peripheral scaffold 22b is provided at the center of the building 10 in the vertical direction (arrow Y direction) and in the horizontal direction (arrow X direction). A total of three horizontal trusses 30 are provided above the building 10 along the arrow X direction, and a total of five horizontal trusses 30 are provided along the arrow Y direction.

FIG. 16 is a front view of the curing system 1a shown in FIG. In addition, in FIG. 16, the description of the outer peripheral scaffold 22 on the back side in the vertical direction of the building 10, that is, the arrow Y direction (see FIG. 15) is omitted. A soundproof panel 21 and an outer peripheral scaffold 22b are provided at the center of the building 10 in the vertical direction (arrow Y direction) and in the horizontal direction (arrow X direction). One bracket 24 is provided on the uppermost stage of the outer peripheral scaffold 22b, and the scaffold hoist 26 is suspended from the bracket 24. Further, in the second stage from the top of the outer peripheral scaffold 22b, one bracket 24 is provided at one end and one other end in the arrow X direction to support the horizontal truss 30. Between the outer peripheral scaffold 22b on the front side in the vertical direction of the building 10 and the outer peripheral scaffold 22 on the left-right side of the building 10, there is a space portion 22c in which the outer peripheral scaffold is not provided. Further, unlike the first embodiment, the vertical truss 40 is not provided. Other configurations are the same as those in the first embodiment.

Next, a method of dismantling a building to be demolished using the curing system of the second embodiment of the present invention will be described. As shown in FIG. 15, the operator provides the outer peripheral scaffolding 22b at the center of the building 10 in the horizontal direction (arrow X direction) on the front side in the vertical direction (arrow Y direction). Further, an outer peripheral scaffolding is provided along the lateral outer wall portion of the building 10 on the back side in the vertical direction of the building 10, and an outer peripheral scaffolding is provided along the outer wall portion 12c in the vertical direction of the building 10 on the left and right sides in the horizontal direction of the building 10. 22 is provided. Next, the operator installs the brackets 24 on the outermost scaffolds 22 and 22b on the uppermost stage and the outer peripheral scaffolds 22 and 22b on the second stage from the top. Next, the operator suspends the scaffolding hoist 26 on the bracket 24 of the outermost scaffolding 22, 22b on the uppermost stage. Next, the operator assembles the horizontal truss 30 so that the horizontal truss 30 is supported by the brackets 24 of the outer peripheral scaffolds 22 and 22b on the second stage from the top. Next, the worker extends the horizontal curing net 23a on the horizontal truss 30 in the same manner as in the first embodiment. Next, the worker extends the vertical curing net 23b in three directions other than the vertical front side of the building 10. As a result, the upper part of the building 10 is covered with the horizontal curing net 23a and the vertical curing net 23b.

The central portion of the horizontal truss 30 on the front side in the vertical direction of the building 10 is supported by the bracket 24 provided on the outer peripheral scaffolding 22b. When lowering the horizontal truss 30, the central portion of the horizontal truss 30 on the front side in the vertical direction of the building 10 is supported by the scaffolding hoist 26 suspended from the bracket 24 of the outer peripheral scaffolding 22b. Therefore, the horizontal truss 30 can be supported without providing the vertical truss 40 (see FIG. 3) as in the first embodiment.

FIG. 17 is an example of demolition work of the building 10 using the curing system 1a shown in FIG. Between the outer peripheral scaffold 22b on the front side in the vertical direction of the building 10 and the outer peripheral scaffold 22 on the left-right side of the building 10, there is a space portion 22c in which the outer peripheral scaffold is not provided. Therefore, a heavy machine 60a having a working device 61 including a long arm and a boom can be arranged on the ground 13 on which the building 10 is built, and the building 10 can be dismantled through the working device 61 in the space 22c. Therefore, even if the building 10 is narrow and the heavy equipment 60a cannot be arranged on the first floor floor portion 12a of the building 10, the building 10 can be dismantled by the heavy equipment 60a arranged on the ground 13.

As described above, in the curing system 1a at the time of building demolition according to the second embodiment, the outer peripheral scaffolds 22 and 22b are provided with the outer peripheral scaffolding 22b provided along at least one outer wall portion 12c of the building 10 to be demolished. It has an outer peripheral scaffold 22 provided along the outer wall portion 12c of the building 10 to be demolished extending in different directions with respect to at least one outer wall portion 12c, and has a space portion 22c between the outer peripheral scaffold 22b and the outer peripheral scaffold 22. Therefore, the building 10 can be dismantled by the heavy machinery 60a arranged on the ground 13 without arranging the heavy machinery 60a on the first floor floor portion 12a of the building 10.

Further, in the method of dismantling the building 10 to be demolished according to the second embodiment, the vertical support member includes the outer peripheral scaffolds 22 and 22b provided along the outer wall portion 12c of the building 10 to be demolished, and the outer peripheral scaffold 22 , 22b is along the outer scaffolding 22b along at least one outer wall portion 12c of the building 10 to be demolished and along the outer wall portion 12c of the building 10 to be demolished extending in different directions with respect to at least one outer wall portion 12c. Since the outer peripheral scaffolding 22 includes a step of providing the outer peripheral scaffolding 22 so that the space portion 22c exists between the outer peripheral scaffolding 22c and the outer peripheral scaffolding 22, the ground even if the heavy machinery 60a is not arranged on the first floor floor portion 12a of the building 10. The building 10 can be demolished by the heavy machine 60a arranged at 13.

In the second embodiment, the outer peripheral scaffolding 22b is provided only on the front side in the vertical direction of the building 10, but the outer peripheral scaffolding 22b may be further provided instead of the outer peripheral scaffolding 22 on the back side in the vertical direction of the building 10. Alternatively, the outer peripheral scaffolding 22b may be provided in place of the outer peripheral scaffolding 22 in either or both of the lateral directions of the building 10.

Further, in the first and second embodiments, the scaffolding hoist 26 and the horizontal truss hanging hoist 43 are provided as a device for suspending the horizontal truss 30, and the vertical truss lowering hoist 44 is provided as a device for suspending the vertical truss 40. The device for suspending the horizontal truss 30 and the vertical truss 40 is not limited to these, and any suspension device such as a crane may be used instead of these.

Further, in the first and second embodiments, the horizontal truss 30 and the vertical truss 40 are configured by combining a plurality of truss members, but each may be composed of a single truss member. Further, a horizontal support member having no truss structure may be used instead of the horizontal truss 30, and a columnar member having no truss structure may be used instead of the vertical truss 40.

Further, in the first and second embodiments, the horizontal curing net 23a and the vertical curing net 23b are used as the curing members, but other appropriate curing members may be used. For example, a known curing sheet may be used as the curing member. Further, in the present embodiment, the horizontal curing net 23a and the vertical curing net 23b are formed as separate nets, but the horizontal curing net 23a and the vertical curing net 23b may be integrally formed.

Further, the specific procedure of the building dismantling method of the first and second embodiments may be changed and replaced as appropriate as long as the dismantling of the building is not hindered, or unnecessary steps may be omitted. .. You may also add the necessary steps.

10 Building, 22, 22b Peripheral scaffolding (vertical support member, work scaffolding), 22c space, 23a horizontal curing net (curing member), 23b vertical curing net (curing member), 30 horizontal truss (horizontal support member), 40 Vertical truss (vertical support member, columnar member).

Claims (10)

Vertical support members provided along the vertical direction of the building to be demolished,
A horizontal support member that extends along the horizontal direction of the building to be demolished, is composed of a plurality of horizontal truss members having a truss structure, and is supported by the vertical support member.
A curing member that is supported by the horizontal support member and covers the building to be demolished from above,
Equipped with a,
The vertical support member includes a work scaffold provided along the side surface of the building to be demolished.
Each of the horizontal truss members is a curing system at the time of building demolition , in which the vertical position can be changed independently. The work scaffold has a first work scaffold provided along a pair of opposing side surfaces of the building to be demolished, and each of the opposing first work scaffolds is the horizontal support member. The curing system at the time of building demolition according to claim 1 , which is anchored by. The work platform has a second working scaffolding provided along the side portion of the building the to be dismantled extending in different directions with respect to the side portions of the pair of opposing the building to be the dismantling,
The curing system at the time of demolition of a building according to claim 2 , wherein a space portion is provided between the first work scaffold and the second work scaffold. The curing system at the time of building demolition according to any one of claims 1 to 3, further comprising a hoist for changing the vertical position of the horizontal truss member. The curing system at the time of demolition of a building according to any one of claims 1 to 4 , wherein the vertical support member extends in a vertical direction from the upper part of the building to be demolished and includes a columnar member having a truss structure. The curing system at the time of building demolition according to any one of claims 1 to 5, wherein the horizontal truss member is made of an aluminum alloy. A step of providing a vertical support member including a work scaffold provided along the side surface of the building to be demolished along the vertical direction of the building to be demolished, and a step of providing the vertical support member.
After the step of providing the vertical support member, the vertical support member is supported and extends along the horizontal direction of the building to be dismantled , and is composed of a plurality of horizontal truss members having a truss structure, each of which is horizontal. The process of providing the horizontal support member and the process of providing the truss member, which can change the vertical position independently,
After the step of providing the horizontal support member, a step of providing a curing member that is supported by the horizontal support member and covers the building to be demolished from above.
A method for dismantling a building to be demolished, which comprises a step of dismantling the building to be demolished after the step of providing the curing member. The step of dismantling the building to be demolished includes a step of changing the vertical position of the horizontal support member when the altitude of the building to be demolished changes due to the progress of demolishing the building to be demolished. The method for dismantling a building to be demolished according to claim 7. The vertical support member comprises a columnar member extending vertically from the top of the building to be demolished and having a truss structure.
The step of dismantling the building to be demolished is a step of dismantling the upper part of the building to be demolished other than the position where the columnar member is provided after the step of changing the vertical position of the horizontal support member. 7. Next, according to claim 7 or 8, the step of dismantling the position where the columnar member is provided in the upper part of the building to be demolished, and then the step of lowering the columnar member. How to demolish a building to be demolished. The step of providing the work scaffolding includes a first work scaffolding along at least one side surface portion of the building to be demolished and a side surface of the building to be demolished extending in different directions with respect to the at least one side surface portion. Any of claims 7 to 9, which includes a step of providing a second work scaffold along the portion so that a space portion exists between the first work scaffold and the second work scaffold. The demolition method of the building to be demolished described in paragraph 1.

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