WO2009119518A1 - 仮設排水設備および仮設排水方法 - Google Patents
仮設排水設備および仮設排水方法 Download PDFInfo
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- WO2009119518A1 WO2009119518A1 PCT/JP2009/055688 JP2009055688W WO2009119518A1 WO 2009119518 A1 WO2009119518 A1 WO 2009119518A1 JP 2009055688 W JP2009055688 W JP 2009055688W WO 2009119518 A1 WO2009119518 A1 WO 2009119518A1
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- Prior art keywords
- drainage
- floor
- building
- collection
- floor slab
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/28—Safety or protective measures preventing damage to building parts or finishing work during construction against unfavourable weather influence
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/5109—Convertible
- Y10T137/5283—Units interchangeable between alternate locations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/6966—Static constructional installations
- Y10T137/6969—Buildings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/6966—Static constructional installations
- Y10T137/6991—Ground supporting enclosure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/794—With means for separating solid material from the fluid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/794—With means for separating solid material from the fluid
- Y10T137/8013—Sediment chamber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/85978—With pump
- Y10T137/86035—Combined with fluid receiver
Definitions
- the present invention relates to a temporary drainage facility and a temporary drainage method for draining rainwater flowing into a building under construction, such as a reactor building of a nuclear power plant, to the outside.
- concrete is placed in order from the lower floors. For example, when the concrete placement of the first floor portion is completed by hitting the slab of the ceiling portion of the first floor (the floor portion of the second floor), the second floor portion concrete is placed.
- rainwater or the like flows into the lower floor after the installation of the lower floor after the installation of the lower floor is completed.
- floors that have already been placed may start interior work or installation of nuclear reactors or equipment. In this case, it is essential to avoid the inflow of rainwater.
- any of the floors that have been laid down is set as a water stop, and it is possible to prevent the inflow of rainwater to a floor below the water stop.
- Rainwater collected on the floor slab of the still water floor is drained by a pump or the like.
- FIG. 6 is a schematic configuration diagram showing a conventional drainage facility.
- a conventional temporary drainage facility 70 is provided in a multi-storey building 1 made of reinforced concrete or steel reinforced concrete under construction.
- the multi-storey building 1 the placement of the first floor 72 and the second floor 73 is completed, and the third floor 74 is placed.
- the second floor 73 is a still water floor, and on the floor slab 75 (first floor ceiling slab) of the second floor 73, the inflow of rainwater from the floor above the third floor 74 is stopped, and the inflow of rainwater to the first floor is blocked.
- a concrete multi-storey building such as a reactor building has many rooms on the same floor.
- the upper floor under construction is a still water floor, drainage such as rainwater will be collected over many rooms, and a large number of drainage pumps for each room Therefore, it is difficult to efficiently discharge wastewater from a multi-storey building to the outside.
- the construction period is a long period of several years.
- sand and the like are mixed in the drainage, and the sand contained in the drainage clogs the drainage pump and makes it difficult to discharge the drainage.
- the present invention proposes a temporary drainage facility and a temporary drainage method capable of efficiently discharging drainage over a long period of time with a simple configuration in a concrete multi-storey building during the construction period.
- the temporary drainage system is a temporary drainage system for draining rainwater flowing into the floor under construction during construction of a multi-storey building, and the temporary drainage system is Including drainage collection system and drainage discharge system
- the wastewater collection system is A flexible drainage collection hose connected to a through hole provided in a floor slab of a floor under construction; A drainage collection container disposed on a floor slab on the lower floor of the building and connected to the drainage collection hose; A drainage pit provided on the lowest floor of the building and collecting drainage discharged from the drainage collection container via a drainage hose;
- the drainage discharge system is A drainage pump provided in the drainage pit; And a drain pipe connected to the drain pump.
- the drainage collection system further includes a drainage collection funnel provided on a floor slab of a floor on which the building has been placed, and the drainage collection funnel is embedded in the floor slab of the building and the side wall of the building.
- a wastewater collection riser pipe may be connected, and wastewater discharged from the wastewater collection container may be collected in the drainage pit via the riser pipe.
- the drainage collection hose may be connected to the through hole through a hose guide tube.
- the waste water collection container is preferably a sand settling container that separates moisture and sand.
- the temporary drainage method according to the present invention is a temporary drainage method for draining rainwater and the like flowing into the floor under construction during construction of a multi-story building,
- a through hole is provided in the floor slab of the middle floor, and water such as rainwater on the floor slab is drained through a drain hose connected to the through hole, and the drainage is drained on the floor slab of the floor where the building has already been placed.
- the wastewater discharged from the container is collected in a drainage pit provided on the lowest floor of the building, and the wastewater is discharged out of the building from the drainage pit.
- the through hole is closed after the final drainage is completed.
- the container separates moisture and sand.
- a temporary drainage facility and a temporary drainage method capable of efficiently discharging drainage over a long period of time with a simple configuration in a concrete multi-storey building during the construction period can be proposed.
- the fragmentary sectional view of the multi-storey building which shows the floor slab through-hole structure of the temporary drainage system concerning the present invention.
- the partial sectional view of the multi-story building which shows the state where the collection hose was connected to the floor slab penetration hole of the temporary drainage system concerning the present invention.
- Sectional drawing of the sand settling container of the temporary drainage equipment which concerns on this invention.
- the fragmentary sectional view of the multi-storey building which shows the state where the floor slab penetration hole of the temporary drainage system concerning the present invention was plugged up.
- the schematic block diagram which shows the conventional drainage facility.
- FIG. 1 shows a building under construction
- the multi-storey building 1 is a reinforced concrete nuclear reactor building in this embodiment
- the multi-storey building 1 has a substantially rectangular shape with a side of about 100 m in plan view. It is.
- the multi-storey building 1 shown in the figure shows the process of placing the second floor 6 after the placement of the second basement floor 3, the first basement floor 4 and the first floor 5 is completed.
- the room 8 includes electrical component rooms (for example, 8 (8b2) and 8 (8b3) rooms on the first basement in FIG. 1) in which electrical equipment is accommodated.
- a temporary drainage facility 11 is provided in the multi-storey building 1.
- the temporary drainage facility 11 includes a drainage collection system 13 that collects drainage in the multi-storey building 1 in the drainage pit 12, and a drainage discharge system 14 that drains the drainage collected in the drainage pit 12 to the outside of the multi-storey building 1. Composed.
- the drainage pit 12 is provided on the lowest floor of the multi-storey building 1.
- the drainage collection system 13 includes a through structure having a floor slab through hole 16 provided in the floor slab 15 of each room 8, and a funnel structure having a drainage collection funnel 17 depending on the structure of the building.
- the floor slab through hole 16 is provided so as to connect the room 8 on a certain floor and the room 8 on the floor below, and one end of a flexible collection hose 18 is detachably connected to the floor slab through hole 16. Is done.
- the other end of the collection hose 18 is connected to a sand settling container 19 disposed on the floor slab 15 below the floor.
- the sedimentation container 19 once accumulates the waste water supplied from the upper floor.
- the sand settling container 19 has a structure for discharging waste water mainly composed of liquid while accumulating substances having a specific gravity larger than that of water such as sand and dust contained in the waste water.
- the waste water discharged from the sand settling container 19 is discharged from the discharge hose 20 connected to the sand settling container 19 to the lower floor through the floor slab through hole 16 provided in the floor slab 15. Thereafter, the drainage is repeatedly and sequentially carried to the lower floor and finally reaches the drainage pit 12.
- the floor slab penetration structure in the drainage collection system 13 has, for example, a through hole 16 (16a1) formed in a floor slab 15 that communicates a room on the second floor 6 under construction and a room 8 (8a1) on the first floor 5 that has been placed.
- the collection hose 18 (18a1) connected to the floor slab through hole 16 (16a1) is connected to a sand settling container 19 (19a1) disposed on the floor slab 15 (15a1) of the room 8 (8a1) on the first floor 5.
- the discharge hose 20 (20a1) of the sand settling container 19 (19a1) is connected to a floor slab through hole 16 (16b1) provided in the floor slab 15 (15a1). Thereafter, the drainage is repeatedly carried downstairs to the drainage pit 12.
- a drainage collection funnel structure can be adopted.
- a drainage collection funnel having a drainage collection funnel 17 (17a2) is provided in a ceiling floor slab 15 (15a2) of a room 8 (8b2) in which electrical equipment and the like formed on the first basement floor 4 of the building in FIG. A structure is provided, and the drainage collection funnel 17 (17a2) is connected to a drainage collection riser pipe 22 embedded in the side wall 21 of the floor slab 15 (15a2) and the room 8 (8b2).
- the drainage collecting riser pipe 22 is connected to the inter-pit communication pipe 23 on the side wall on the lowest floor.
- Drain pits 12 are arranged at almost the four corners of the basement 2nd floor 3 which is the lowest floor.
- the drainage pit 12 is provided so that the water surface height of the upper limit water storage amount is lower than the floor position of the second basement floor 3 which is the lowest floor.
- the drainage pits 12 are communicated with each other through the inter-pit connecting pipe 23, and the water storage amount of each drainage pit 12 is kept substantially equal.
- the drain pit 12 is provided with a first drain pump 25 with a small output and a second drain pump 26 with a large output as the drain discharge system 14.
- the first drain pump 25 and the second drain pump 26 are connected to the drain discharge pipe 32 via check valves 28 and 29 and gate valves 30 and 31, respectively.
- the drainage discharge pipe 32 is connected to the sedimentation tank via the gate valve 33.
- first drain pump 25 and the second drain pump 26 are provided, but any one drain pump may be provided.
- FIG. 2 is a partial cross-sectional view of a multi-storey building showing a floor slab penetration structure of a temporary drainage facility according to the present invention.
- a floor slab through hole 16 is provided in the floor slab 15 of the multi-storey building 1 under construction.
- the floor slab through-hole 16 is provided through the floor slab 15 at the same time as the concrete is cast to form the floor slab 15.
- the floor slab through hole 16 includes a substantially cylindrical funnel portion 36 opened on the floor surface of the room 8.
- a connecting pipe part 37 is inserted into the bottom of the funnel part 36, a hose guide pipe part 38 is inserted into and communicated with the lower end of the connecting pipe part 37, and a lower floor 38a of the hose guide pipe part 38 is connected to the lower floor 38a.
- An inner flange portion 40 provided substantially flush with the ceiling surface and extending inward is provided.
- One end (upper end) of the connecting pipe part 37 protrudes upward from the bottom part 36a of the funnel part 36, and the lower end is appropriately embedded in the floor slab 15. However, the upper end edge of the connecting pipe part 37 does not pass through the through-hole 16 and protrude upward from the floor slab 15.
- the outer diameter of the hose guide pipe part 38 is slightly smaller than the inner diameter of the connection pipe part 37, and the upper end part 38 b of the hose guide pipe part 38 is appropriately inserted into the lower end part 37 a of the connection pipe part 37. Accordingly, a stepped portion 41 is formed inside the connecting pipe portion 37 by the upper end portion 38 b of the hose guide pipe portion 38. Further, a stepped portion 42 is formed at the lower end portion 38 a of the hose guide pipe portion 38 by the inner flange portion 40.
- At least the inner flange portion 40 is formed using stainless steel.
- the funnel portion 36 is desirably cylindrical, and the diameter of the opening of the through hole is preferably about 200 mm. However, it is not necessary to be particular about this and can be appropriately determined as necessary.
- FIG. 3 is a partial cross-sectional view of a multi-storey building showing a state where a collection hose is connected to a floor slab through hole of a temporary drainage facility according to the present invention.
- a collection hose 18 is connected to the floor slab through-hole 16 provided in the floor slab 15 of the multi-storey building 1 under construction.
- the hose connector part 46 which has the collar part 45 is provided in the edge part (upper end part in FIG. 3) of the collection hose 18. As shown in FIG.
- the collection hose 18 is held by bringing the flange portion 45 of the hose connector portion 46 into contact with the step portion 41 of the floor slab through-hole 16 via the seal ring 47.
- the eye plate 49 is disposed above the hose connector portion 46.
- FIG. 4 is a cross-sectional view of a sand settling container of a temporary drainage facility according to the present invention.
- the sand settling container 19 of the temporary drainage facility 11 has an inflow pipe portion 50 to which the other end portion (the lower end portion in FIG. 3) of the collection hose 18 is connected, and drainage flowing from the inflow pipe portion 50 temporarily. And a discharge pipe portion 53 provided on the side wall portion 52 of the container portion 51 and connected to the discharge hose 20.
- the container unit 51 includes a container main body 54 having an upper opening and a lid 55 of the container main body 54.
- the lid body 55 is provided with an inflow pipe portion 50.
- the height h at which the discharge pipe portion 53 is provided is provided on the side wall portion 52 at a height of about half to about 3/4 (1 / 2H ⁇ h ⁇ 3 / 4H) of the height H of the container body 54. Accordingly, a large capacity for storing sand S or the like is secured in the container body 54, and even if a large amount of wastewater temporarily flows into the container body 54, the wastewater can easily overflow from the container body 54. Absent.
- the shape of the container body 54 is not particularly limited, but a cylindrical container or a box-shaped container is used.
- the temporary drainage facility 11 when rain falls on the multi-storey building 1, first, rainwater pours onto the floor slab 15 of the second floor 6 under construction. Rainwater that has poured onto the floor slab 15 on the second floor 6 flows into the floor slab through-hole 16a as drainage containing sand and dust. The wastewater that has flowed into the floor slab through hole 16a is temporarily accumulated in the sand settling container 19a through the collection hose 18a. In the sand settling container 19a, an object having a specific gravity larger than that of water such as sand or dust contained in the drainage sinks and accumulates at the bottom of the sand settling container 19a.
- the waste having a specific gravity greater than that of water such as sand and dust is removed, and the waste water mainly composed of liquid is discharged from the sand settling container 19a and is provided in the floor slab 15a1 (15a2) from the discharge hose 20a. Or it flows into the waste water collection funnel 17.
- the drainage flowing into the floor slab through hole 16b is repeatedly carried downstairs to reach the drainage pit 12.
- the waste water that has flowed into the waste water collection funnel 17 is conveyed downstairs from the waste water collection riser pipe 22 and flows into the inter-pit connecting pipe 23 to reach the drain pit 12.
- the drainage collected in the drainage pit 12 is sent to the sedimentation tank via the drainage discharge pipe 32 by the first drainage pump 25 and the second drainage pump 26 provided in the drainage pit 12. At this time, all of the gate valves 30, 31, and 33 are opened.
- the first drain pump 25 with a small output is mainly operated to discharge the waste water. If it increases, the 2nd drain pump 26 of high output will be operated with the 1st drain pump 25, and waste_water
- the second basement 3 and the first basement 4 and the first floor 5 that have been installed are used for interior work, installation of nuclear reactors or equipment, for example, the electrical equipment room.
- a device such as an electronic device is provided in 8b2
- FIG. 5 is a partial cross-sectional view of a multi-storey building showing a state where the floor slab through hole of the temporary drainage facility according to the present invention is closed.
- the floor slab through-hole 16 provided in the floor slab 15 of the multi-storey building 1 under construction is closed when there is no risk of inflow of rainwater or the like.
- the diameter of the closing plate 59 is formed smaller than the inner diameter of the hose guide tube portion 38 and larger than the flange inner diameter of the inner flange portion 40.
- mortar 61 is poured from the funnel portion 36 into the floor slab through hole 16.
- the mortar 61 poured into the floor slab through hole 16 is blocked by the closing plate 59 and fills the floor slab through hole 16 without leaking to the lower floor.
- the floor slab through hole 16 is closed.
- the drainage of the multi-storey building 1 is collected in the drainage pit 12 without using a dynamic device such as a pump.
- a dynamic device such as a pump.
- the wastewater collected in the drainage pit 12 is always collected in the drainage pit 12 through the sand settling container 19, the first drainage pump 25 for discharging the wastewater from the drainage pit 12 to the outside of the multi-story building 1 and Sand or the like is unlikely to enter the second drainage pump 26, and drainage is facilitated.
- the plurality of drainage pits 12 are communicated with each other through the inter-pit communication pipe 23, it is not necessary to install a pump in each drainage pit 12, and the configuration of the temporary drainage facility 11 can be simplified.
- the repair agent of the present embodiment is not limited to mortar, and may be, for example, a caulking material for preventing water leakage.
- the repair agent described in this embodiment is not limited as long as water leakage to the lower floor can be surely prevented.
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Abstract
Description
本発明は、建設期間中のコンクリート製の複数階建造物において、簡易な構成で、長期間に亘り、効率的に排水を排出可能な仮設排水設備および仮設排水方法を提案する。
前記排水収集系統は、
建設中の階の床スラブに設けられた貫通孔に接続された可撓性を有する排水収集ホースと、
前記建物の打設済みの下階の床スラブ上に配設され、前記排水収集ホースに接続された排水収集容器と、
前記建物の最下階に設けられ、前記排水収集容器から排出された排水を排水ホースを介して収集する排水ピットと、を有し、
前記排水吐出系統は、
前記排水ピットに設けられた排水ポンプと、
前記排水ポンプに接続される排水管と、を有することを特徴とする。
Claims (7)
- 複数階の建造物の建設中、建設中の階に流入する雨水等を外部へ排水する仮設排水設備において、前記仮設排水設備は排水収集系統と、排水吐出系統とを含み、
前記排水収集系統は、
建設中の階の床スラブに設けられた貫通孔に接続された可撓性を有する排水収集ホースと、
前記建物の打設済みの下階の床スラブ上に配設され、前記排水収集ホースに接続された排水収集容器と、
前記建物の最下階に設けられ、前記排水収集容器から排出された排水を排水ホースを介して収集する排水ピットと、を有し、
前記排水吐出系統は、
前記排水ピットに設けられた排水ポンプと、
前記排水ポンプに接続される排水管と、を有することを特徴とする仮設排水設備。 - 前記排水収集系統は、さらに建物の打設済みの階の床スラブに設けられた排水収集ファンネルを含み、排水収集ファンネルには前記建物の床スラブおよび建物側壁に埋設された排水収集ライザ配管が接続され、前記排水収集容器から排出された排水を前記ライザ配管を介して前記排水ピットに収集することを特徴とする請求項1に記載の仮設排水設備。
- 前記排水収集ホースはホースガイド管を介して貫通孔に接続されたことを特徴とする請求項1に記載の仮説排水設備。
- 前記排水収集容器は、水分と砂分とを分離する沈砂容器であることを特徴とする請求項1に記載の仮設排水設備。
- 複数階の建造物の建設中、建設中の階に流入する雨水等を外部へ排水する仮設排水方法において、
建物の建設中の階の床スラブに貫通孔を設け、
前記床スラブ上の雨水等の水分を前記貫通孔に接続した排水ホースを介して排水し、
前記排水を建物の既に打設済みの階の床スラブ上に設けた容器に収集し、
前記容器から排出された排水を建物の最下階に設けた排水ピットに収集し、
前記排水ピットから排水を建物の外に排出する、ことを特徴とする仮設排水方法。 - 前記貫通孔は最終排水終了後に閉塞されることを特徴とする請求項5に記載の仮説排水方法。
- 前記容器において、水分と砂分とを分離するようにしたことを特徴とする請求項5に記載の仮設排水方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP20090723986 EP2267244B1 (en) | 2008-03-28 | 2009-03-23 | Temporary drainage facility and temporary drainage method |
KR1020107021893A KR101166812B1 (ko) | 2008-03-28 | 2009-03-23 | 가설 배수 설비 및 가설 배수 방법 |
JP2010505637A JP5172949B2 (ja) | 2008-03-28 | 2009-03-23 | 仮設排水設備および仮設排水方法 |
US12/935,123 US8496023B2 (en) | 2008-03-28 | 2009-03-23 | Temporary drainage system and temporary drainage method |
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JP2008087220 | 2008-03-28 | ||
JP2008-087220 | 2008-03-28 |
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EP (1) | EP2267244B1 (ja) |
JP (1) | JP5172949B2 (ja) |
KR (1) | KR101166812B1 (ja) |
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JP2004084414A (ja) | 2002-08-29 | 2004-03-18 | Fumio Kashiwa | 建設中の建物の中に流入する雨水を排水する排水装置 |
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Also Published As
Publication number | Publication date |
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EP2267244A4 (en) | 2012-10-10 |
US8496023B2 (en) | 2013-07-30 |
KR101166812B1 (ko) | 2012-07-19 |
JP5172949B2 (ja) | 2013-03-27 |
KR20100127251A (ko) | 2010-12-03 |
US20110023967A1 (en) | 2011-02-03 |
JPWO2009119518A1 (ja) | 2011-07-21 |
EP2267244B1 (en) | 2014-09-10 |
EP2267244A1 (en) | 2010-12-29 |
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