JP3025144B2 - How to build a fuel pool foundation - Google Patents
How to build a fuel pool foundationInfo
- Publication number
- JP3025144B2 JP3025144B2 JP6013561A JP1356194A JP3025144B2 JP 3025144 B2 JP3025144 B2 JP 3025144B2 JP 6013561 A JP6013561 A JP 6013561A JP 1356194 A JP1356194 A JP 1356194A JP 3025144 B2 JP3025144 B2 JP 3025144B2
- Authority
- JP
- Japan
- Prior art keywords
- sub
- horizontal upper
- base
- fuel pool
- tem plate
- 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.)
- Expired - Fee Related
Links
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
- Y02E30/30—Nuclear fission reactors
Landscapes
- Foundations (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、原子力プラントの使用
済燃料保管ラックを設置する燃料プールの基礎部構築方
法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a fuel pool base for installing a spent fuel storage rack of a nuclear power plant.
【0002】[0002]
【従来の技術】従来の燃料プールの基礎部構築方法を図
5により説明すると、上端筋10を組み込んだ後、支持
材15を上端筋10に固縛または溶接し、次いでアンカ
ーボルト類(アンカーボルト16、調整金具16a、金
具17)を支持材15に溶接し(w参照)、次いで1次
コンクリート18を打設する。2. Description of the Related Art Referring to FIG. 5, a conventional method for constructing a foundation portion of a fuel pool will be described. After the upper end bar 10 is assembled, a support member 15 is fixed or welded to the upper end line 10, and then anchor bolts (anchor bolts) are used. 16, the adjustment bracket 16a and the bracket 17) are welded to the support member 15 (see w), and then the primary concrete 18 is cast.
【0003】この1次コンクリート18は、固化に伴い
沈下するため、1次コンクリート18の打設後にアンカ
ーボルト16のレベル調整を行う。その際、金具17と
支持材15との溶接部wを切離し、アンカボルト16を
調整金具16aに固定しているナットを緩めて、レベル
調整を行う。次いでナットを再度締結して、2次コンク
リート19を打設するようにしている。Since the primary concrete 18 sinks as it solidifies, the level of the anchor bolts 16 is adjusted after the primary concrete 18 is cast. At this time, the welding part w between the metal fitting 17 and the support member 15 is cut off, the nut fixing the anchor bolt 16 to the adjusting metal fitting 16a is loosened, and the level is adjusted. Next, the nut is fastened again to cast the secondary concrete 19.
【0004】[0004]
【発明が解決しようとする課題】前記図5に示す従来の
燃料プールの基礎部構築方法では、鉄筋組立、アン
カーボルト設定の順で施工している。しかも鉄筋ピッチ
(例えば200mm)とアンカーボルトピッチ(例えば
160mm)とが異なるため、アンカーボルトを設定す
る際、必然的にアンカーボルトが鉄筋に干渉するので、
鉄筋の結束を緩め、ジャッキ等の揚重設備により、アン
カーボルトを移動、移設しながら、上記作業を行ってい
る。In the conventional method for constructing the foundation of a fuel pool shown in FIG. 5, the rebar assembly and the anchor bolt setting are performed in this order. Moreover, since the rebar pitch (for example, 200 mm) and the anchor bolt pitch (for example, 160 mm) are different, the anchor bolt inevitably interferes with the rebar when setting the anchor bolt.
The above work is performed while loosening the binding of the rebar and moving and relocating the anchor bolts using lifting equipment such as jacks.
【0005】このため、干渉回避に多大の労力を要する
上に、揚重設備により吊り上げたままの作業になり、揚
重作業工数が多くなって、作業効率が悪い。また揚重設
備を取り扱うので、作業に危険が伴っていた。本発明は
前記の問題点に鑑み提案するものであり、その目的とす
る処は、作業効率を向上できる。また作業を安全に行う
ことができる。さらにアンカーボルトの据付精度を向上
できる燃料プールの基礎部構築方法を提供しようとする
点にある。[0005] For this reason, a great deal of labor is required to avoid interference, and the work is carried out while being lifted by the lifting equipment, so that the number of man-hours for lifting work is increased and the work efficiency is poor. In addition, handling the lifting equipment entails danger in the work. The present invention has been made in view of the above-described problems, and the object thereof is to improve work efficiency. Also, the work can be performed safely. It is another object of the present invention to provide a method for constructing a fuel pool base part capable of improving the installation accuracy of anchor bolts.
【0006】[0006]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明の燃料プールの基礎部構築方法は、下端筋
を基礎面の上方に同基礎面に沿って組み込んだ後、支持
架台の垂直下部を基礎面に設置して、同支持架台の水平
上部を同下端筋の上方に位置させ、次いで同支持架台の
水平上部の所定位置にサブテムプレートを設置し、次い
で上端筋を同サブテムプレートの穴明け位置を回避して
同サブテムプレート上に組み込み、次いで固定材の垂直
下部を上記支持架台の水平上部の上に設置して、同固定
材の水平上部を上記上端筋の上方に位置させ、予めユニ
ット化したアンカーボルト・ターンバックルを同固定材
の水平上部に取付けて、アンカーボルトを上記サブテム
プレートの穴に挿通し、次いで1次コンクリートを上記
基礎面から上記上端筋の範囲に打設し、1次コンクリー
トの固化に伴い沈下するアンカーボルトのレベルをター
ンバックルにより所定レベルに調整し、次いで2次コン
クリートを上記1次コンクリートの上に打設することを
特徴としている。In order to achieve the above-mentioned object, a method for constructing a base portion of a fuel pool according to the present invention comprises the steps of: The vertical lower part of the support gantry is placed on the base surface, the horizontal upper part of the support gantry is located above the lower end muscle, then a sub-tem plate is installed at a predetermined position on the horizontal upper part of the support gantry, and Avoid the drilling position of the sub-tem plate and install it on the sub-tem plate, then set the vertical lower part of the fixing material on the horizontal upper part of the support base, and attach the horizontal upper part of the fixing material to the upper streak. Place the anchor bolts and turnbuckles unitized beforehand on the horizontal upper part of the fixing material, insert the anchor bolts into the holes of the sub-tem plate, and then remove the primary concrete from the base surface The level of the anchor bolts set in the area of the streaks and settled with the solidification of the primary concrete is adjusted to a predetermined level by a turnbuckle, and then the secondary concrete is cast on the primary concrete. I have.
【0007】[0007]
【作用】本発明の燃料プールの基礎部構築方法は前記の
ように構成されており、燃料プールの基礎部を構築する
に当たっては、先ず下端筋を基礎面の上方に同基礎面に
沿って組み込んだ後、支持架台の垂直下部を基礎面に設
置して、同支持架台の水平上部を同下端筋の上方に位置
させ、次いで同支持架台の水平上部の所定位置にサブテ
ムプレートを設置し、次いで上端筋を同サブテムプレー
トの穴明け位置を回避して同サブテムプレート上に組み
込み、次いで固定材の垂直下部を上記支持架台の水平上
部の上に設置して、同固定材の水平上部を上記上端筋の
上方に位置させ、予めユニット化したアンカーボルト・
ターンバックルを同固定材の水平上部に取付けて、アン
カーボルトを上記サブテムプレートの穴に挿通し、次い
で1次コンクリートを上記基礎面から上記上端筋の範囲
に打設し、1次コンクリートの固化に伴い沈下するアン
カーボルトのレベルをターンバックルにより所定レベル
に調整し、次いで2次コンクリートを上記1次コンクリ
ートの上に打設して、燃料プールの基礎部の構築を完了
する。The method for constructing the basic portion of a fuel pool according to the present invention is constructed as described above. In constructing the basic portion of the fuel pool, the lower end streak is first assembled above the basic surface along the basic surface. After that, the vertical lower part of the support gantry is installed on the base surface, the horizontal upper part of the support gantry is located above the lower end muscle, and then the sub-tem plate is installed at a predetermined position of the horizontal upper part of the support gantry, Next, the upper end muscle is installed on the sub-tem plate, avoiding the drilling position of the sub-tem plate, and then the vertical lower part of the fixing material is installed on the horizontal upper part of the support base, and the horizontal upper part of the fixing material is installed. Is located above the top muscle, and the anchor bolts
Attach the turnbuckle to the horizontal upper part of the fixing material, insert the anchor bolt through the hole of the sub-tem plate, and then cast the primary concrete from the foundation surface to the upper end bar, and solidify the primary concrete The level of the anchor bolt that sinks with the above is adjusted to a predetermined level by a turnbuckle, and then the secondary concrete is cast on the primary concrete to complete the construction of the fuel pool base.
【0008】[0008]
【実施例】次に本発明の燃料プールの基礎部構築方法を
図1〜図4に示す一実施例により説明する。図1は、燃
料プール内に設置された使用済燃料保管ラックの複数組
及び基礎部を示す斜視図、図2は、同使用済燃料保管ラ
ック取付用アンカーボルトの配置図、図3は、図2の矢
印A部分の拡大図であり、保管ラックアッセンブリの隣
接部を示している。また図4は、図1及び図3の矢視B
−B線に沿う縦断側面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a method for constructing a base portion of a fuel pool according to the present invention will be described with reference to an embodiment shown in FIGS. FIG. 1 is a perspective view showing a plurality of sets of spent fuel storage racks installed in a fuel pool and a base part, FIG. 2 is a layout view of anchor bolts for mounting the spent fuel storage racks, and FIG. FIG. 2 is an enlarged view of a portion indicated by an arrow A of FIG. 2 and shows an adjacent portion of a storage rack assembly. FIG. 4 is a view taken along arrow B in FIGS.
It is a longitudinal side view which follows the -B line.
【0009】燃料プールの基礎部を構築する当たって
は、図4に示すように下端筋1を基礎面の上方に同基礎
面に沿って組み込んだ後、支持架台2の垂直下部を基礎
面に設置して、同支持架台2の水平上部を同下端筋1の
上方に位置させる。次いで同支持架台2の水平上部の所
定位置にサブテムプレート3を設置し、次いで上端筋4
を同サブテムプレート3の穴明け位置を回避して、同サ
ブテムプレート3上に組み込む。In constructing the base of the fuel pool, as shown in FIG. 4, a lower end bar 1 is assembled above the base along the base, and the vertical lower part of the support base 2 is set on the base. It is installed, and the horizontal upper part of the support base 2 is positioned above the lower end muscle 1. Next, the sub-tem plate 3 is set at a predetermined position in the horizontal upper part of the support base 2,
Is mounted on the sub-tem plate 3 while avoiding the perforated position of the sub-tem plate 3.
【0010】次いで固定材5の垂直下部を支持架台2の
水平上部に設置して、同固定材5の水平上部を上端筋4
の上方に位置させ、予めユニット化したアンカーボルト
6・ターンバックル7を同固定材5の水平上部に取付け
て、アンカーボルト6をサブテムプレート3の穴に挿通
する。次いで1次コンクリート8を基礎面から上端筋4
の範囲に打設し、1次コンクリート8の固化に伴い沈下
するアンカーボルト6のレベルをターンバックル7によ
り所定レベルに調整し、次いで2次コンクリート9を1
次コンクリート8の上に打設する。Next, the vertical lower part of the fixing member 5 is set on the horizontal upper part of the support base 2 and the horizontal upper part of the fixing member 5 is
The anchor bolt 6 and the turnbuckle 7, which have been unitized in advance, are attached to the horizontal upper portion of the fixing member 5, and the anchor bolt 6 is inserted into the hole of the sub-tem plate 3. Next, the primary concrete 8 is placed on the upper
And the level of the anchor bolts 6 sinking as the primary concrete 8 solidifies is adjusted to a predetermined level by the turnbuckle 7, and then the secondary concrete 9
Next, it is cast on concrete 8.
【0011】[0011]
【発明の効果】本発明の燃料プールの基礎部構築方法は
前記のように下端筋を基礎面の上方に同基礎面に沿って
組み込んだ後、支持架台の垂直下部を基礎面に設置し
て、同支持架台の水平上部を同下端筋の上方に位置さ
せ、次いで同支持架台の水平上部の所定位置にサブテム
プレートを設置し、次いで上端筋を同サブテムプレート
の穴明け位置を回避して同サブテムプレート上に組み込
み、次いで固定材の垂直下部を上記支持架台の水平上部
の上に設置して、同固定材の水平上部を上記上端筋の上
方に位置させ、予めユニット化したアンカーボルト・タ
ーンバックルを同固定材の水平上部に取付けて、アンカ
ーボルトを上記サブテムプレートの穴に挿通するので、
建築側(鉄筋)と機械側(アンカーボルト)との干渉回
避作業を不要にできて、作業効率を向上できる。As described above, according to the method for constructing the base portion of the fuel pool of the present invention, the lower reinforcement is installed above the base surface along the base surface, and then the vertical lower portion of the support base is installed on the base surface. , Position the horizontal upper part of the support base above the lower end streak, and then install the sub-tem plate at a predetermined position on the horizontal upper part of the support base, and then avoid the perforated position of the sub-tem plate with the upper end streak. Then, the vertical lower part of the fixing member is set on the horizontal upper part of the support base, and the horizontal upper part of the fixing member is positioned above the upper end streaks. Attach the bolts and turnbuckles to the horizontal upper part of the fixing material, and insert the anchor bolts into the holes on the sub-tem plate.
Work for avoiding interference between the building side (reinforcing bars) and the machine side (anchor bolts) can be eliminated, and work efficiency can be improved.
【0012】また揚重設備を取り扱う必要がないので、
作業を安全に行うことができる。また工場等で予めユニ
ット化したアンカーボルト・ターンバックルを固定材の
水平上部に取付けて、アンカーボルトをサブテムプレー
トの穴に挿通するので、アンカーボルトの据付精度を向
上できる。Since there is no need to handle the lifting equipment,
Work can be done safely. Further, since the anchor bolts and turnbuckles unitized in advance at a factory or the like are mounted on the horizontal upper portion of the fixing member and the anchor bolts are inserted into the holes of the sub-tem plate, the installation accuracy of the anchor bolts can be improved.
【図1】燃料プール内に設置された使用済燃料保管ラッ
クの複数組及び基礎部を示す斜視図である。FIG. 1 is a perspective view showing a plurality of sets of spent fuel storage racks installed in a fuel pool and a base part.
【図2】同使用済燃料保管ラック取付用アンカーボルト
の配置図である。FIG. 2 is a layout diagram of the spent fuel storage rack mounting anchor bolts.
【図3】図2の矢印A部分の拡大図である。FIG. 3 is an enlarged view of a portion indicated by an arrow A in FIG. 2;
【図4】本発明に係わる燃料プールの基礎部構築方法の
一実施例の図1及び図3の矢視B−B線に沿う縦断側面
図である。FIG. 4 is a longitudinal sectional side view taken along the line BB of FIG. 1 and FIG. 3 of one embodiment of the method for constructing the base portion of the fuel pool according to the present invention.
【図5】従来の燃料プールの基礎部構築方法を示す縦断
側面図である。FIG. 5 is a vertical sectional side view showing a conventional method of constructing a foundation of a fuel pool.
1 下端筋 2 支持架台 3 サブテムプレート 4 上端筋 5 固定材 6 アンカーボルト 7 ターンバックル 8 1次コンクリート 9 2次コンクリート DESCRIPTION OF SYMBOLS 1 Lower end bar 2 Support stand 3 Sub-tem plate 4 Upper end bar 5 Fixing material 6 Anchor bolt 7 Turnbuckle 8 Primary concrete 9 Secondary concrete
───────────────────────────────────────────────────── フロントページの続き 審査官 村田 尚英 (58)調査した分野(Int.Cl.7,DB名) G21C 19/06 ──────────────────────────────────────────────────続 き Continued on front page Examiner Naohide Murata (58) Field surveyed (Int.Cl. 7 , DB name) G21C 19/06
Claims (1)
て組み込んだ後、支持架台の垂直下部を基礎面に設置し
て、同支持架台の水平上部を同下端筋の上方に位置さ
せ、次いで同支持架台の水平上部の所定位置にサブテム
プレートを設置し、次いで上端筋を同サブテムプレート
の穴明け位置を回避して同サブテムプレート上に組み込
み、次いで固定材の垂直下部を上記支持架台の水平上部
の上に設置して、同固定材の水平上部を上記上端筋の上
方に位置させ、予めユニット化したアンカーボルト・タ
ーンバックルを同固定材の水平上部に取付けて、アンカ
ーボルトを上記サブテムプレートの穴に挿通し、次いで
1次コンクリートを上記基礎面から上記上端筋の範囲に
打設し、1次コンクリートの固化に伴い沈下するアンカ
ーボルトのレベルをターンバックルにより所定レベルに
調整し、次いで2次コンクリートを上記1次コンクリー
トの上に打設することを特徴とした燃料プールの基礎部
構築方法。After the lower end muscle is assembled above the base surface along the base surface, the vertical lower part of the support base is installed on the base surface, and the horizontal upper part of the support base is positioned above the lower end muscle. Then, place the sub-tem plate at a predetermined position on the horizontal upper part of the support base, and then install the upper end streaks on the sub-tem plate avoiding the drilling position of the sub-tem plate, and then, Is installed on the horizontal upper part of the support base, the horizontal upper part of the fixing material is located above the upper end muscle, and the anchor bolts and turnbuckles that have been unitized in advance are attached to the horizontal upper part of the fixing material, An anchor bolt is inserted through the hole of the sub-tem plate, and then primary concrete is poured from the foundation surface to the upper end bar, and the level of the anchor bolt sinking as the primary concrete solidifies is checked. A method for constructing a fuel pool base, comprising adjusting a predetermined level to a predetermined level with a buckle and then placing secondary concrete on the primary concrete.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6013561A JP3025144B2 (en) | 1994-02-07 | 1994-02-07 | How to build a fuel pool foundation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6013561A JP3025144B2 (en) | 1994-02-07 | 1994-02-07 | How to build a fuel pool foundation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07217249A JPH07217249A (en) | 1995-08-15 |
JP3025144B2 true JP3025144B2 (en) | 2000-03-27 |
Family
ID=11836594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6013561A Expired - Fee Related JP3025144B2 (en) | 1994-02-07 | 1994-02-07 | How to build a fuel pool foundation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3025144B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013503353A (en) * | 2009-08-31 | 2013-01-31 | トランスニュークリア インコーポレイテッド | Rack system and assembly for fuel storage |
-
1994
- 1994-02-07 JP JP6013561A patent/JP3025144B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH07217249A (en) | 1995-08-15 |
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