JP6014546B2 - Deodorant structure at the top of water on double folded plate roof - Google Patents

Description

  The present invention relates to a roof of a building that houses a waste pit of a waste treatment plant, a sewage treatment tank of a sewage treatment plant, and the like, and more particularly, to a water upper end deodorization structure of a double folded plate roof that is made to flow in one direction.

  Garbage discharged from ordinary households and factories is usually temporarily placed temporarily in the garbage pit building installed at the waste treatment plant, and then put into a waste treatment furnace such as a gasification melting furnace for reduction. Tonification processing is performed. In a garbage pit building with a single-flow double folded-plate roof, in order to prevent odors emitted from temporarily placed waste from leaking outside through the gaps in the roof, The structure shown in FIG. 5 ensures airtightness.

  As shown in FIG. 5, the double folded plate roof 11 of the garbage pit building includes a lower chord material 12 and an upper chord material 13 made of folded plates, and glass wool 15 filled in a space between the lower chord material 12 and the upper chord material 13. The water upper end surfaces of the lower chord material 12 and the upper chord material 13 are sealed by a stop (door) surface door 30. The gap formed between the upper end portion of the lower chord member 12 and the outer wall 16 facing the upper end portion of the lower chord member 12 is covered with a lower chord member water wrap 18 made of an L-shaped plate material, A sealing material 31 such as a waterproof tape is interposed at the joint between the upper end portion and the lower chord material water packet 18 and at the joint between the outer wall 16 and the lower chord material water packet 18. The lower chord material water packet 18 is further covered by an upper chord material water packet 20 made of an L-shaped plate material, and the space between the lower chord material water packet 18 and the upper chord material water packet 20 is filled with glass wool 15. Yes.

  On the other hand, in Patent Document 1, as a roof structure of a building that accommodates a garbage pit of a cleaning factory or a sewage treatment tank of a sewage treatment plant, a flat deck is installed between lower flanges of a steel beam that supports a folded plate roof, A technique is disclosed in which an airtight sheet is laid on the upper surface of a flat deck, and a peripheral portion of the airtight sheet is bonded to a steel beam web through a sealing material.

JP2012-132200A

However, in the case of the waste pit building having the water top end structure shown in FIG. 5, when the waste pit building is deformed due to a disturbance such as an earthquake, the sealing material sealing the gap between the members cannot follow the deformation. There is a risk that the airtightness may be impaired by breaking. In addition, the sealing material may be deteriorated and broken by ultraviolet rays.
Furthermore, even if the airtight sheet described in Patent Document 1 is used, the water upper end portion of the double folded plate roof has a shape in which peaks and valleys are alternately arranged. There is a problem that it takes too much time to process and construct the sheet.

  The present invention has been made in view of such circumstances, and the double folded plate roof is capable of reducing the seal material deterioration due to ultraviolet rays without causing a seal breakage when the building is deformed by a disturbance such as an earthquake. An object is to provide a deodorizing structure at the upper end of water.

In order to achieve the above object, the present invention provides a deodorizing structure for a water upper end of a single-flow double folded plate roof in which an upper chord member made of a folded plate is disposed on a lower chord member made of a folded plate with a heat insulating material interposed therebetween. ,
A water wrap for lower chord material covering a water upper end portion of the lower chord material and an outer wall upper end portion facing the water upper end portion, a first water wrapping material covering an upper surface of the water upper end portion of the lower chord material, and the outer wall upper end A second water wrapping material covering the outer surface and the upper end surface of the part, the first water wrapping material and the second water wrapping material are connected via an elastic material,
A portion of the second water wrapping material covering the outer surface of the upper end portion of the outer wall partially bulges outward, and a partial gap is formed between the second water wrapping material and the outer surface of the upper end portion of the outer wall. Formed,
A sealing material A is interposed between the second water wrapping material and the upper end surface of the outer wall.

In the present invention, the lower chord material water wrap is composed of the first and second water wrap materials, and a partial gap (margin) is provided between the second water wrap material and the outer surface of the upper end of the outer wall. Therefore, when the building is deformed due to a disturbance such as an earthquake, the lower packet material water wrap can be deformed relative to the outer wall. Therefore, the load acting on the sealing material is reduced, and the seal is not broken.
In addition, since the sealing material A is interposed between the second water wrapping material and the upper end surface of the outer wall, the airtightness is improved, and the ultraviolet light is blocked by the water wrapping for the lower chord material, so that the sealing material A Degradation is reduced.

  Moreover, in the water upper end part deodorization structure of the double folded plate roof which concerns on this invention, the sealing material B interposed by the junction part of the said 1st water wrapping material and the water upper end part of the said lower chord material, and said 1st 1st seal | sticker by which the sealing material C interposed by the junction part of 2 water wrapping materials and the outer surface of the said outer wall upper end part is each adjoined to the outer edge of the said 1st or 2nd water wrapping material. It is preferable that it is comprised from the material and the 2nd sealing material arrange | positioned inside from the said 1st sealing material.

  A double seal structure comprising a first sealing material and a second sealing material for sealing material B and sealing material C interposed at each joint between the lower string material water wrap and the upper end portion of the lower chord material and the upper end portion of the outer wall. Therefore, even when one of the first and second sealing materials breaks, the other sealing material can ensure airtightness.

In the water upper end deodorization structure of the double folded plate roof according to the present invention, the lower chord material water wrap is composed of the first and second water wrap materials, and the second water wrap material and the outer surface of the outer wall upper end portion are formed. Since a partial gap is provided between them, when the building is deformed due to a disturbance such as an earthquake, the lower chord material water wrap is deformed relative to the outer wall, and seal breakage does not occur.
Further, by interposing the sealing material A between the second water wrapping material and the upper end face of the outer wall, the ultraviolet light is blocked by the water wrapping for the lower chord material, and the deterioration of the sealing material A is reduced.

It is sectional drawing of the water upper end part deodorization structure of the double folded-plate roof which concerns on one embodiment of this invention. It is a disassembled perspective view of the water upper end part deodorization structure of the double folded-plate roof. FIG. 3 is a detailed view of a portion F in FIG. 2. It is a disassembled sectional view of the water upper end part deodorizing structure of the double folded plate roof. It is sectional drawing of the water upper end part deodorization structure of the conventional double folded-plate roof.

  Next, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention. In the following description, “the outer surface of the upper end portion of the outer wall” refers to the wall surface facing the outdoors, not the wall surface on the building side.

  In the water top end deodorization structure of a double folded plate roof according to an embodiment of the present invention, a roof of a garbage pit building that houses a garbage pit will be described as an example. The garbage pit building is made of steel, and the outer wall is composed of outer wall panels such as ALC panels (lightweight aerated concrete plates cured by autoclave). The roof of the garbage pit building is a single-flow double folded roof. A cross-sectional view of the water upper end deodorizing structure of the double folded plate roof 10 according to the present embodiment is shown in FIG. 1, and an exploded perspective view is shown in FIG.

The double folded plate roof 10 is generally composed of a lower chord member 12 and an upper chord member 13 made of a folded plate having a shape in which peaks and valleys are alternately arranged. A tight frame 42 made of strips having alternating peaks and valleys is fixed on the upper flange of a steel beam 40 made of H-shaped steel via a grooved steel 41, and the lower chord 12 is tight. It is attached to the frame 42. Further, a heat insulating metal fitting 43 is mounted on the ridge line of the lower chord material 12, and the upper chord material 13 is attached to the heat insulating metal fitting 43 in a state where the water upper end portion of the upper chord material 13 is biased below the water upper end portion of the lower chord material 12. Is attached. A space between the lower chord member 12 and the upper chord member 13 is filled with a heat insulating material 14 made of poly-filled glass wool having a thickness of about 100 mm.
The folded plates constituting the lower chord member 12 and the upper chord member 13 are each formed from a galvalume steel plate having a thickness of about 0.8 mm.

  Each water upper end surface of the lower chord material 12 and the upper chord material 13 is sealed with a stop face door 30 whose valley is an inverted trapezoid (see FIG. 3). The boundary portion between the lower chord member 12 and the face door 30 and the boundary portion between the upper chord member 13 and the face door 30 are filled with a sealing material made of modified silicon.

  In order to seal the gap formed between the water upper end portion of the lower chord material 12 and the outer wall 16 facing the water upper end portion, the lower chord material water wrap 17 has the water upper end portion of the lower chord material 12 and the outer wall upper end portion 16a. Covering. The lower chord material water wrap 17 includes a first water wrap 25 covering the upper surface of the water upper end of the lower chord 12 and a second water wrap 26 covering the outer surface and upper end (top) of the outer wall upper end 16a. (See FIG. 4).

  The first water wrapping material 25 and the second water wrapping material 26 are made of the same galvalume steel plate as the folded plate. One end of the first water wrapping material 25 and one end of the second water wrapping material 26 are bent upward to form connection portions 25a and 26a, which are connected by screws 35 (FIG. 4). reference). An elastic material 27 made of butyl tape or the like is interposed between the connection portion 25a of the first water wrapping material 25 and the connection portion 26a of the second water wrapping material 26, and odor is generated between the connection portions 25a and 26a. Does not leak to the outside.

The other end portion 25 b of the first water wrapping material 25 is joined to the ridge face door 32 attached to the ridgeline of the water upper end portion of the lower chord material 12 with a screw 35. Further, the joint between the face door 32 and the first water wrap 25, and between the upper surface of the face door 30 that seals the water upper end surface of the lower chord 12 and the first water wrap 25. A sealing material B28 is interposed in each joint portion. As shown in FIG. 3, the sealing material B <b> 28 includes a first sealing material 23 that is disposed in the vicinity of the outer edge of the first water wrapping material 25 and a second sealing material that is disposed inward from the first sealing material 23. It is comprised from the sealing material 24 of this.
The first sealing material 23 can be made of foamed sealing tape or the like, and the second sealing material 24 can be made of modified silicon or the like.

  The other end (lower end) 26b of the second water wrapping material 26 is joined to the outer surface of the outer wall upper end 16a with a screw 34. Further, a sealing material C29 is interposed at a joint portion between the other end portion 26b of the second water wrapping material 26 and the outer surface of the outer wall upper end portion 16a. That is, the first sealing material 23 is interposed at a position close to the outer edge (lower edge) of the second water wrapping material 26, and the second sealing material 24 is interposed inward from the first sealing material 23. Yes.

The portion of the second water wrapping material 26 that covers the outer surface of the outer wall upper end portion 16a is a bulging portion 26c that partially bulges outward except for the end portion (lower end portion) 26b. A partial gap D is formed between the portion of the wrapping material 26 and the outer surface of the outer wall upper end 16a (see FIG. 1).
Further, a portion of the second water wrapping material 26 facing the upper end surface of the outer wall 16 is fixed to the upper end surface of the outer wall 16 with screws 34, and a foam seal is provided between the portion and the upper end surface of the outer wall 16. A sealing material A21 made of tape is interposed.

As shown in FIG. 1, the lower chord material water packet 17 is covered with an upper chord material water packet 19 made of an L-shaped plate material, and the space between the lower chord material water packet 17 and the upper chord material water packet 19 is formed in the space. The heat insulating material 14 made of poly-filled glass wool is filled. The upper chord material water wrap 19 is covered with a joint cover 22 made of an L-shaped plate.
One end 19a of the upper chord material water wrap 19 is fixed to an I bracket 44 attached to the ridge line of the upper chord material 13 with a bolt 37, and the other end 19b of the upper chord material water wrap 19 is an upper end of the outer wall. It is fixed to 16a with screws 36.
The upper chord material water wrap 19 and the joint cover 22 are made of the same galvalume steel plate as the folded plate.

In the water upper end deodorization structure of the double folded plate roof 10 according to the present embodiment, a partial gap D (margin) is formed between the second water wrapping material 26 and the outer surface of the outer wall upper end 16a. Therefore, when the garbage pit building is deformed due to a disturbance such as an earthquake, the lower chord material water wrap 17 (second water wrap material 26) can be deformed relative to the outer wall 16. Therefore, the load acting on the sealing material A21, the sealing material B28, and the sealing material C29 is reduced, and the sealing material A21, the sealing material B28, and the sealing material C29 do not break. Further, even if a part of the sealing material A21, the sealing material B28, and the sealing material C29 is broken, the sealing material B28 and the sealing material C29 have a double seal structure, so that no odor leaks to the outside. .
Furthermore, in the sealing material A21 and the second sealing material 24, ultraviolet rays radiated from the sun are blocked by the lower chord material water wrap 17 so that ultraviolet degradation is reduced.

Next, the construction method of the double folded plate roof 10 which concerns on this Embodiment is demonstrated.
(1) The grooved steel 41 is welded to the upper flange of the steel beam 40 with the concave portion facing downward. Next, the tight frame 42 is installed on the web of the channel steel 41.
(2) The lower chord member 12 made of a folded plate is attached to the tight frame 42. And the stop face door 30 is attached to the trough part of the water upper end surface of the lower chord material 12, and the boundary part of the lower chord material 12 and the stop face door 30 is filled with metamorphic silicon.

(3) The sealing material A21 is attached to the lower chord material 12 side of the upper end surface of the outer wall 16. Moreover, the sealing material C29 is affixed on the outer surface of the outer wall upper end portion 16a (the portion in contact with the lower end portion 26b of the second water wrapping material 26). Specifically, the first sealing material 23 is disposed at a position close to the outer edge (lower edge) of the lower end portion 26b of the second water wrapping material 26, and the second sealing material 24 is disposed inwardly (above). paste.
(4) The second water wrapping material 26 is fixed to the upper end surface and the outer surface of the outer wall 16 with screws 34. At that time, it is confirmed whether the gap between the second water wrapping material 26 and the upper end surface of the outer wall 16 is completely closed by the sealing material A21.

(5) The sealing material B28 is affixed to the upper surface of the saddle door 32 and the upper surface of the stop door 30 attached to the ridgeline of the water upper end portion of the lower chord material 12. Specifically, the first sealing material 23 is attached to a position close to the outer edge of the end portion 25b of the first water wrapping material 25, and the second sealing material 24 is attached to the inside thereof (see FIG. 3). .
(6) An elastic material 27 is interposed between the connection portion 25a of the first water wrapping material 25 and the connection portion 26a of the second water wrapping material 26, and the connection portion 25a of the first water wrapping material 25 The connecting portion 26 a of the second water wrapping material 26 is connected with a screw 35, and the other end portion 25 b of the first water wrapping material 25 is fixed to the upper surface of the saddle door 32 with a screw 35.

(7) After the heat insulating metal fitting 43 is attached to the ridge line of the lower chord material 12, the heat insulating material 14 is disposed on the lower chord material 12.
(8) The upper chord member 13 made of a folded plate is attached to the heat insulating metal fitting 43. And the stop face door 30 is attached to the trough part of the water upper end surface of the upper chord material 13, and the boundary part of the upper chord material 13 and the stop face door 30 is filled with metamorphic silicon. Further, the I metal fitting 44 is attached to the ridge line of the upper end portion of the upper chord material 13.

(9) After the heat insulating material 14 is arranged on the lower chord material water packet 17, one end 19 a of the upper chord material water packet 19 is fixed to the I bracket 44 with a bolt 37 and the upper chord material water packet 19. The other end 19b is fixed to the outer wall upper end 16a with a screw 36.
(10) Set the joint cover 22 on the upper chord material water wrap 19.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the configuration described in the above-described embodiment, and is within the scope of matters described in the claims. Other possible embodiments and modifications are also included. For example, in the above embodiment, the roof of the garbage pit building is taken as an example, but it goes without saying that the roof of the building that houses the sewage treatment tank of the sewage treatment plant may be used. Moreover, the kind of sealing material used in the above embodiment is merely an example, and the present invention is not limited to this.

10, 11: double folded plate roof, 12: lower chord material, 13: upper chord material, 14: heat insulating material, 15: glass wool, 16: outer wall, 16a: upper end of outer wall, 17, 18: water wrap for lower chord material, 19 20: Water wrap for upper chord material, 21: Seal material A, 22: Joint cover, 23: First seal material, 24: Second seal material, 25: First water wrap material, 26: Second Water wrapping material, 25a, 26a: connection part, 26c: bulging part, 27: elastic material, 28: sealing material B, 29: sealing material C, 30: stop face door, 32: saddle door, 34, 35, 36: screw, 37: bolt, 40: steel beam, 41: channel steel, 42: tight frame, 43: heat-insulating metal fitting, 44: I metal fitting, D: gap

Claims (2)

In the deodorizing structure at the water upper end of the single-flow double folded plate roof in which the upper chord material made of the folded plate is arranged on the lower chord material made of the folded plate with the heat insulating material interposed therebetween,
A water wrap for lower chord material covering a water upper end portion of the lower chord material and an outer wall upper end portion facing the water upper end portion, a first water wrap covering the upper surface of the water upper end portion of the lower chord material, and the outer wall upper end A second water wrapping material covering the outer surface and the upper end surface of the part, the first water wrapping material and the second water wrapping material are connected via an elastic material,
A portion of the second water wrapping material covering the outer surface of the upper end portion of the outer wall partially bulges outward, and a partial gap is formed between the second water wrapping material and the outer surface of the upper end portion of the outer wall. Formed,
The water upper end deodorizing structure of the double folded plate roof, wherein a sealing material A is interposed between the second water wrapping material and the upper end surface of the outer wall.   The water upper end deodorization structure of the double folded plate roof according to claim 1, wherein the sealing material B interposed between the first water wrapping material and the water upper end portion of the lower chord material, and the second Seal material C interposed at the joint between the water wrapping material and the outer surface of the upper end of the outer wall is disposed close to the outer edge of the first or second water wrapping material, respectively. And a second sealing material disposed inward from the first sealing material, and a water folded top roof deodorizing structure of the double folded plate roof.

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