JPS63313095A - Floor construction of building - Google Patents
Floor construction of buildingInfo
- Publication number
- JPS63313095A JPS63313095A JP62147916A JP14791687A JPS63313095A JP S63313095 A JPS63313095 A JP S63313095A JP 62147916 A JP62147916 A JP 62147916A JP 14791687 A JP14791687 A JP 14791687A JP S63313095 A JPS63313095 A JP S63313095A
- Authority
- JP
- Japan
- Prior art keywords
- floor
- weir
- building
- waste liquid
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 title description 9
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 239000002699 waste material Substances 0.000 claims abstract description 36
- 238000009792 diffusion process Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000003566 sealing material Substances 0.000 claims abstract description 5
- 230000002285 radioactive effect Effects 0.000 claims abstract 2
- 230000002265 prevention Effects 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 239000012857 radioactive material Substances 0.000 abstract description 3
- 239000000565 sealant Substances 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 5
- 239000000941 radioactive substance Substances 0.000 description 3
- 239000002901 radioactive waste Substances 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Building Environments (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
【発明の詳細な説明】
（発明の目的〕
（産業上の利用分野）
本発明は原子力発電所等の建屋の床構造に係り、特に建
屋内に設置された機器や配管からのドレンや漏洩液答の
廃液が拡散することを防止する廃液拡散防止装置が設け
られた建屋の床構造に関する。[Detailed Description of the Invention] (Objective of the Invention) (Industrial Application Field) The present invention relates to the floor structure of buildings such as nuclear power plants, and in particular drains and leakage from equipment and piping installed in the buildings. The present invention relates to a floor structure of a building equipped with a waste liquid diffusion prevention device that prevents waste liquid from dispersing.
（従来の技術）
一般に、原子力発電所の建屋の床には放射性物質を含む
液体を内包する機器や配管が多数設訂される。そして、
これらの機器等からドレンや漏洩液等の廃液が生じた場
合に、その廃液が建屋の床に設けられたハツチ等から拡
散することを防止するために、ハツチ笠の周囲に堰が設
けられる。(Prior Art) Generally, a large number of equipment and piping containing liquid containing radioactive materials are installed on the floor of a nuclear power plant building. and,
When waste liquid such as drain or leakage liquid is generated from these devices, a weir is installed around the hatch cap to prevent the waste liquid from spreading through the hatch installed on the floor of the building.
第６図は建屋の床に設けられたハツチ部を示す平面図、
第７図はハツチの周囲に設けられた堰を示す断面図であ
る。Figure 6 is a plan view showing the hatch provided on the floor of the building;
FIG. 7 is a sectional view showing a weir provided around the hatch.
第６図に示すように建屋の床１にハツチ２が設けられ、
そのハツチ２の周囲に堰３が設けられる。As shown in Figure 6, a hatch 2 is provided on the floor 1 of the building,
A weir 3 is provided around the hatch 2.
堰３は第７図に示すように建屋の床１と一体の鉄筋コン
クリート構造をなし、床１から１５０〜２００ｍ＋程度
の堤状に形成される。また、ハツチ部全体としても床１
から盛り上った構造となっている。As shown in FIG. 7, the weir 3 has a reinforced concrete structure integrated with the floor 1 of the building, and is formed in the shape of a bank about 150 to 200 m+ from the floor 1. In addition, the hatch part as a whole also has floor 1
It has a raised structure.
（発明が解決しようとする問題点）
このような建屋の床構造においては、建屋の床１に設け
られたハツチ２の周囲に高さ１５０〜２００ｍ＋の堰３
が常に存在する。そのため、建設段階にお番ノる「設資
材、機器および配管の搬入、組立、据付作業ならびに原
子力発電所の運転開始後における機器・配管等の点検、
補修、改造作業に際し、作業スペースが限定されて作Ｔ
、環境に悪影響があり、また建屋内に車輌が自由に入り
込めない等の問題がある。(Problems to be Solved by the Invention) In the floor structure of such a building, a weir 3 with a height of 150 to 200 m+ is installed around the hatch 2 provided on the floor 1 of the building.
always exists. For this reason, during the construction stage, we carry out "transportation, assembly, and installation of construction materials, equipment, and piping, as well as inspections of equipment, piping, etc. after the start of operation of the nuclear power plant,"
When repairing or remodeling work, work space is limited.
, there are problems such as having a negative impact on the environment and preventing vehicles from freely entering the building.
本発明は上記の事情を考慮してなされたもので、建屋内
に設置された機器や配管からのドレンや漏洩液等の廃液
が拡散することを防止することができる建屋の床構造を
提供することを目的とする。The present invention has been made in consideration of the above circumstances, and provides a floor structure for a building that can prevent waste liquids such as drains and leaked liquids from dispersing from equipment and piping installed in the building. The purpose is to
また本発明の他の目的は、原子力発電所等の建屋の建設
段階および運転開始後における各種作業に際し、作業ス
ペースを広く確保して作業環境を改善することができる
とともに、建屋内へ車輌が自由に入り込んで作業を行な
うことができ、建設工期の短縮、点検作業の円滑化を図
ることができる建屋の床構造を提供することである。Another object of the present invention is to be able to secure a wide working space and improve the working environment during various operations at the construction stage and after the start of operation of buildings such as nuclear power plants, and to allow vehicles to freely enter the building. To provide a floor structure for a building that allows the user to enter the building and carry out work, thereby shortening the construction period and facilitating inspection work.
（問題点を解決するための手段）
本発明は、放射性物質等の有害物質を含む液体を内包す
る様器や配管が設置された建屋の床構造において、上記
機器や配管からのドレンや漏洩液等の廃液が拡散づるこ
とを防止する廃液拡散防止装置が床に着脱可能に設けら
れたものである。(Means for Solving the Problems) The present invention is directed to a floor structure of a building in which equipment and piping containing liquids containing harmful substances such as radioactive substances are installed, and in which drains and leakage liquid from the equipment and piping are installed. A waste liquid diffusion prevention device is removably installed on the floor to prevent waste liquids from dispersing.
（作用）
建屋内の機器等の運転により機器等からのドレンや漏洩
液等の廃液が発生するおそれがある場合には、廃液拡散
防止装置を床に取り付け、その廃液拡散防止ｖ４置によ
り廃液が拡散することを防止することができる。(Function) If there is a risk that waste liquid such as drain or leakage liquid may be generated due to the operation of equipment in the building, install a waste liquid diffusion prevention device on the floor and prevent the waste liquid from spreading by installing a waste liquid diffusion prevention device on the floor. It can prevent it from spreading.
また、建屋のげ設段階および機器等の運転開始後におけ
る各種作業に際して、機器や配管からのドレンや漏洩液
等の廃液が発生するおそれがない場合には、廃液拡散防
止装置を床から取り外し、平坦な床面を形成する。その
ため、作業スペースを広く確保して作業ＥＭ境を改善す
ることができるとともに、建屋内へ車輌が自由に入り込
むことができる。In addition, when there is no risk of waste liquid such as drainage or leaking liquid from equipment or piping being generated during various operations during the building evacuation stage or after the start of operation of equipment, etc., remove the waste liquid diffusion prevention device from the floor. Form a flat floor surface. Therefore, it is possible to secure a wide work space and improve the working EM environment, and vehicles can freely enter the building.
（実施例）
本発明に係る建屋の床構造の第１実施例を第１図ないし
第３図を用いて説明する。(Example) A first example of the floor structure of a building according to the present invention will be described with reference to FIGS. 1 to 3.
本発明は原子力発電所における原子炉建屋やタービン建
屋の床構造に好適に用いられ、第２図に示すようにハツ
チ２の周囲の床１に廃液拡散防止装置５が着脱可能に設
けられる。この廃液拡散防止装置５は第１図に示すよう
に床１に固定ボルト６により固定されるＩＮ ７と、そ
の堰７と床１との間に介在するシール材８とを有する。The present invention is suitably used in the floor structure of a nuclear reactor building or a turbine building in a nuclear power plant, and as shown in FIG. 2, a waste liquid diffusion prevention device 5 is removably installed on the floor 1 around the hatch 2. As shown in FIG. 1, this waste liquid diffusion prevention device 5 has an IN 7 fixed to the floor 1 by fixing bolts 6, and a sealing material 8 interposed between the weir 7 and the floor 1.
上記堰７は角形鋼からなり、例えば上部に固定ボルト６
を脱着するための開口部７ａが形成される。固定ボルト
６は床１に埋設された埋込部材９に螺合するようになっ
ており、上記堰７はこの固定ボルト６によりアングル１
０上に固定される。The weir 7 is made of square steel, and has fixing bolts 6 at the top, for example.
An opening 7a is formed for attaching and detaching. The fixing bolt 6 is screwed into an embedded member 9 buried in the floor 1, and the weir 7 is attached to the angle 1 by this fixing bolt 6.
Fixed above 0.
またシール材８は堰７と床１の双方に密着し、堰７と床
１の間から廃液が漏洩することを防止するようになって
いる。Further, the sealing material 8 is in close contact with both the weir 7 and the floor 1 to prevent waste liquid from leaking between the weir 7 and the floor 1.
第３図は￥！！７を取り外した状態を示す図である。Figure 3 is ¥! ! FIG. 7 is a diagram showing a state in which 7 is removed.
この状態では堰７の代りに蓋板１１が固定ボルト６によ
りアングル１０上に固定され、平坦な床面が形成される
。In this state, instead of the weir 7, the cover plate 11 is fixed onto the angle 10 by the fixing bolts 6, and a flat floor surface is formed.
次に、上記実施例の作用について説明する。Next, the operation of the above embodiment will be explained.
原子力発電所の運転が開始され、原子炉建屋やタービン
建屋内に設置された機器や配管からのドレンや漏洩液等
の廃液が生ずるおそれがある場合には第１図に示すよう
に堰７を固定ボルト６により床１に固定する。万−機器
や配管から放射性物質を含むドレンが排出されたり、放
射性物質を含む液体が漏洩した場合には、これらの放射
性廃液は堰７に遮られてハツチ２等に達しない。また、
堰７と床１との間に設けられたシール材８により堰７と
床１との間から放射性廃液が漏洩することが防止される
。したがって、放射性廃液がハッチ２等の出入口から拡
散することが防止される。When the operation of a nuclear power plant is started and there is a risk of waste liquid such as drain or leakage from equipment or piping installed in the reactor building or turbine building, weir 7 should be closed as shown in Figure 1. It is fixed to the floor 1 with fixing bolts 6. If condensate containing radioactive substances is discharged from equipment or piping, or liquid containing radioactive substances leaks, these radioactive waste liquids will be blocked by the weir 7 and will not reach the hatch 2, etc. Also,
A sealing material 8 provided between the weir 7 and the floor 1 prevents radioactive waste liquid from leaking between the weir 7 and the floor 1. Therefore, radioactive waste liquid is prevented from diffusing through the entrances and exits of the hatch 2 and the like.
また、原子力発電所の建設段階や運転開始後の機器の点
検等の各種作業に際して、機器や配管からのドレンや漏
洩液等の廃液が生ずるおそれがない場合には、第３図に
示すように堰７が取り外され、蓋板１１が取り付けられ
、球面が平坦に形成される。したがって、建設段階おけ
る建設資材、機器および配管の搬入等の作業ならびに運
転開始後における機器・配管等の点検、補修、改造作業
に際して、作業スペースを広く確保して作業環境を改善
することができる。また、タービン建屋内のオペレーテ
ィングフロア等へトラッククレーン等の車輌が自由に入
り込んで搬入、組立、据付等を容易に行なうことができ
、建設工期の短縮、点検作業の円滑化を図ることができ
る。In addition, when there is no risk of waste liquid such as drain or leakage liquid from equipment or piping occurring during various operations such as inspection of equipment during the construction stage of a nuclear power plant or after the start of operation, as shown in Figure 3, The weir 7 is removed, the cover plate 11 is attached, and the spherical surface is formed flat. Therefore, it is possible to secure a wide working space and improve the working environment during work such as bringing in construction materials, equipment, and piping during the construction stage, and when inspecting, repairing, and modifying equipment, piping, etc. after the start of operation. In addition, vehicles such as truck cranes can freely enter the operating floor of the turbine building and carry in, assemble, install, etc., thereby shortening the construction period and facilitating inspection work.
次に、本発明の第２実施例を第４図および第５図を用い
て説明する。Next, a second embodiment of the present invention will be described using FIGS. 4 and 5.
この実施例においては第４図に示すように、堰７ＡがＬ
形鋼からなり、第１実施例と同様に固定ボルト６により
床１に固定される。そして、廃液が生ずるおそれがない
場合には固定ボルト６を一旦取り外した後、第５図に示
すように堰７Ａを裏返しにして再び固定ボルト６で固定
することにより、平１■な床面を形成することができる
。この場合、＋１１７ Ａの突出部分はアングル材１０
とハツチ２のｆｆＵに収納される。In this embodiment, as shown in FIG.
It is made of shaped steel and is fixed to the floor 1 with fixing bolts 6 as in the first embodiment. If there is no risk of waste liquid being generated, after removing the fixing bolts 6, turn the weir 7A over and fix it again with the fixing bolts 6, as shown in Fig. 5, to make a flat floor surface. can be formed. In this case, the protruding part of +117 A is the angle material 10
and is stored in Hutch 2's ffU.
この実施例においては堰７△がＬ形鋼からなるため軽準
で取扱いが容易である。また、廃液が生ずるおそれがな
い場合には、ＩＮ ７ Ａを取り外して移動させる必要
がなく、その場で裏返して固定すればよいから作業労力
が軽減される。さらに、第１実施例で用いた蓋板１１等
も必要ない。In this embodiment, the weir 7Δ is made of L-beam steel, so it is light and easy to handle. Further, if there is no risk of waste liquid being generated, there is no need to remove and move the IN 7 A, and it is only necessary to turn it over and fix it on the spot, which reduces work effort. Furthermore, the cover plate 11 and the like used in the first embodiment are not required.
上述した実施例においては原子力発電所における建屋の
床構造について説明したが、本発明はこれに限定されず
化学プラント等における有害物質を含む液体を内包する
機器や配管が設置された建屋の床構造にも広く適用する
ことが可能である。In the above-mentioned embodiment, the floor structure of a building in a nuclear power plant was explained, but the present invention is not limited thereto, and the present invention is applicable to the floor structure of a building in a chemical plant or the like in which equipment and piping containing liquid containing harmful substances are installed. It can also be widely applied.
本発明に係るｌ！屋の床構造は、機器や配管からのドレ
ンや漏洩液等の廃液が拡散することを防止する廃液拡散
防止装置が床に着脱可能に設けられたから、機器や配管
から廃液が生じるおそれがある場合に床に廃液拡散防止
装置を取り付けることにより廃液の拡散を防止すること
ができる。゛また、機器や配管から廃液が生じるおそれ
がない場合には床から廃液拡散防止装置を取り外して床
面を平坦化することにより、建屋の建設段階およびａ器
等の運転開始後における各種作業に際し、作業スペース
を広く確保して作業環境を改善することができるととも
に、建屋内へ車輌が自由に入り込んで作業を行なうこと
ができ、建設工期の短縮、点検作業の円滑化を図ること
かできるという効果がある。l according to the present invention! The floor structure of the building is equipped with a removable waste liquid diffusion prevention device installed on the floor to prevent waste liquid such as drain and leakage liquid from equipment and piping from dispersing. Diffusion of waste liquid can be prevented by installing a waste liquid diffusion prevention device on the floor.゛In addition, if there is no risk of waste liquid being generated from equipment or piping, removing the waste liquid diffusion prevention device from the floor and leveling the floor surface will make it easier to carry out various work during the construction stage of the building and after the start of operation of A equipment. In addition to securing a wide working space and improving the working environment, vehicles can freely enter the building to carry out work, shortening the construction period and facilitating inspection work. effective.
第１図は本発明に係る建屋の床構造の第１実施例を示す
断面図、第２図は上記実施例におけるハツチ部を示す平
面図、第３図は上記実施例において廃液拡散防止袋Ｕを
取り外した状態を示す断面図、第４図は本発明の第２実
施例を示す断面図、第５図は上記実施例において堰を実
返しに固定した状態を示寸断百図、第６図は建屋の床に
設けられたハツチ部を示す平面図、第７図はハツチの周
囲に設けられた従来の堰を示す断面図である。
１・・・、床、２・・・ハツチ、５・・・廃液拡散防止
装置、６・・・固定ボルト、７，７Ａ・・・堰、８・・
・シール材。
代理人弁理士 則 近 憲 俗
間 第 子 丸 健■」
第２図
第３図FIG. 1 is a sectional view showing a first embodiment of the floor structure of a building according to the present invention, FIG. 2 is a plan view showing a hatch in the above embodiment, and FIG. 3 is a waste liquid diffusion prevention bag U in the above embodiment. FIG. 4 is a sectional view showing the second embodiment of the present invention, FIG. 5 is a sectional view showing the weir fixed to the barb in the above embodiment, and FIG. 7 is a plan view showing a hatch provided on the floor of a building, and FIG. 7 is a sectional view showing a conventional weir provided around the hatch. 1... Floor, 2... Hatch, 5... Waste liquid diffusion prevention device, 6... Fixing bolt, 7,7A... Weir, 8...
・Seal material. Representative Patent Attorney Nori Chika Ken Sokoma No. 2 Figure 3
Claims (1)
配管が設置された建屋の床構造において、上記機器や配
管からのドレンや漏洩液等の廃液が拡散することを防止
する廃液拡散防止装置が床に着脱可能に設けられたこと
を特徴とする建屋の床構造。 ２、前記廃液拡散防止装置は床にボルト等の締付具によ
り固定される堰と、その堰と床との間に介在するシール
材とを有する特許請求の範囲第１項記載の建屋の床構造
。 ３、前記堰は角形鋼またはＬ形鋼からなる特許請求の範
囲第２項記載の建屋の床構造。[Scope of Claims] 1. In the floor structure of a building in which equipment and piping containing liquid containing radioactive harmful substances are installed, waste liquid such as drain and leakage liquid from the equipment and piping is prevented from spreading. A floor structure of a building, characterized in that a waste liquid diffusion prevention device is removably installed on the floor. 2. The floor of a building according to claim 1, wherein the waste liquid diffusion prevention device has a weir fixed to the floor with a fastener such as a bolt, and a sealing material interposed between the weir and the floor. structure. 3. The floor structure of a building according to claim 2, wherein the weir is made of square steel or L-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62147916A JPH0631807B2 (en) | 1987-06-16 | 1987-06-16 | Floor structure of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62147916A JPH0631807B2 (en) | 1987-06-16 | 1987-06-16 | Floor structure of building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63313095A true JPS63313095A (en) | 1988-12-21 |
| JPH0631807B2 JPH0631807B2 (en) | 1994-04-27 |
Family
ID=15440996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62147916A Expired - Lifetime JPH0631807B2 (en) | 1987-06-16 | 1987-06-16 | Floor structure of building |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631807B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012102603A (en) * | 2011-12-12 | 2012-05-31 | Hitachi Ltd | Module structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054999U (en) * | 1983-09-22 | 1985-04-17 | 株式会社東芝 | Nuclear power plant management area division barrier installation device |
| JPS62280695A (en) * | 1986-05-30 | 1987-12-05 | 株式会社日立製作所 | Structure of weir for preventing increase of leakage of liquid |
-
1987
- 1987-06-16 JP JP62147916A patent/JPH0631807B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054999U (en) * | 1983-09-22 | 1985-04-17 | 株式会社東芝 | Nuclear power plant management area division barrier installation device |
| JPS62280695A (en) * | 1986-05-30 | 1987-12-05 | 株式会社日立製作所 | Structure of weir for preventing increase of leakage of liquid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012102603A (en) * | 2011-12-12 | 2012-05-31 | Hitachi Ltd | Module structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631807B2 (en) | 1994-04-27 |
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