JPH0425385B2 - - Google Patents
Info
- Publication number
- JPH0425385B2 JPH0425385B2 JP60000465A JP46585A JPH0425385B2 JP H0425385 B2 JPH0425385 B2 JP H0425385B2 JP 60000465 A JP60000465 A JP 60000465A JP 46585 A JP46585 A JP 46585A JP H0425385 B2 JPH0425385 B2 JP H0425385B2
- Authority
- JP
- Japan
- Prior art keywords
- temporary opening
- joint
- temporary
- reinforcing bars
- opening
- 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 - Lifetime
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 238000010276 construction Methods 0.000 claims description 10
- 238000009415 formwork Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000010959 steel Substances 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
- Y02E30/30—Nuclear fission reactors
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は原子炉建屋等の耐震壁仮開口部の施工
方法に係るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for constructing temporary openings in earthquake walls of nuclear reactor buildings and the like.
（従来の技術）
原子炉建屋等には機器搬入のため建設時に多数
の仮開口部が設けられている。(Prior Art) Numerous temporary openings are provided in nuclear reactor buildings and the like during construction to allow equipment to be brought in.
一般に前記建屋の仮開口部の施工に際しては第
５図及び第６図に示すように、鉄筋接合のため機
器搬入に必要な幅leより大きな開口部幅lpを有す
る仮開口部ａを設け、既設の耐震壁部ｂの鉄筋ｃ
突出端部と仮開口部ａの鉄筋ｄをねじ継手ｅの如
き機械継手または圧接継手によつて接合したの
ち、型枠を組立て、コンクリート打設を行なつて
いる。また第７図及び第８図に示すように仮開口
部内周打継面にカプラーｆを埋込み機械継手で接
合を行なう場合もある。 Generally, when constructing a temporary opening in the building, as shown in Figures 5 and 6, a temporary opening a is created that has an opening width l p larger than the width l e necessary for bringing in equipment for reinforcing reinforcement. , reinforcing bars c of the existing shear wall part b
After the protruding end and the reinforcing bar d in the temporary opening a are joined by a mechanical joint such as a screw joint e or a pressure joint, a formwork is assembled and concrete is poured. Further, as shown in FIGS. 7 and 8, a coupler f may be embedded in the joint surface of the inner periphery of the temporary opening and the joint may be performed using a mechanical joint.
（発明が解決しようとする問題点）
前記従来の施工方法においては、既設の耐震壁
の継手鉄筋が同耐震壁のコンクリート打継面から
仮開口部内に突出しているため危険であり、また
鉄筋が混みあつている個所および第７図、第８図
の場合はカプラーが埋込まれているので、トルク
をとるには相手方が必要であり、締めつけナツト
のみでは反力がとれなく仮開口部の鉄筋のねじ継
手に十分なトルクをかけることができない等の問
題点があつた。(Problems to be Solved by the Invention) In the above-mentioned conventional construction method, the joint reinforcing bars of the existing shear wall protrude from the concrete joint surface of the shear wall into the temporary opening, which is dangerous, and the reinforcing bars In the case of crowded areas and Figures 7 and 8, the coupler is embedded, so a counterpart is required to take the torque, and the reaction force cannot be taken with the tightening nut alone, so the reinforcing bar in the temporary opening There were problems such as not being able to apply sufficient torque to the threaded joint.
（問題点を解決するための手段）
本発明はこのような問題点を解決し、施工が安
全且つ容易に行なわれ、構造的にも信頼性の高い
施工方法を提供することを目的として提案された
もので、耐震壁の仮開口部内周打継面に沿つて同
耐震壁の鉄筋端部が碇着されたプレート製捨型枠
を配設し、仮開口部封塞時に前記捨型枠にスタツ
ドボルトを植立し、相対する同捨型枠のスタツド
ボルト間に仮開口部の縦鉄筋及び横鉄筋を接続し
たのち同仮開口部のコンクリートを打設すること
を特徴とする耐震壁の仮開口部施工方法に係るも
のである。(Means for Solving the Problems) The present invention has been proposed for the purpose of solving these problems and providing a construction method that is safe and easy to perform and has high structural reliability. A plate waste form, to which the reinforcing steel ends of the shear wall are anchored, is installed along the inner circumferential joint surface of the temporary opening of the shear wall, and when the temporary opening is closed, the plate waste form is A temporary earthquake-resistant wall characterized in that stud bolts are planted, vertical reinforcing bars and horizontal reinforcing bars in a temporary opening are connected between the stud bolts of opposing single-sided formwork, and then concrete is poured in the temporary opening. This relates to the opening construction method.
（作用）及び（発明の効果）
本発明においては前記したように、原子炉建屋
等の耐震壁の仮開口部内周打継面に沿つて同耐震
壁の鉄筋端部が碇着されたプレート製捨型枠を配
設し、同捨型枠内に耐震壁コンクリートを打設す
るものである。(Function) and (Effects of the Invention) As described above, in the present invention, the steel plate is made of a plate to which the reinforcing bar end of the shear wall of a nuclear reactor building, etc. is anchored along the inner peripheral joint surface of the temporary opening of the shear wall of a nuclear reactor building, etc. A waste formwork is installed, and shear wall concrete is poured into the formwork.
而して仮開口部の封塞時、前記耐震壁の打継面
に碇着されたプレート製捨型枠にスタツドボルト
を植立し、相対するスタツドボルト間に仮開口部
の縦筋及び横筋を連結してコンクリートを打設し
て、仮開口部を耐震壁部に一体化するようにした
ので、耐震壁の継手鉄筋が打継面から仮開口部内
に突出することがなく、従つて施工上の安全性が
保持され、また機器搬入に必要な大きさより大き
い開口を設ける必要がなくなり、工費が節減され
る。更に前記捨型枠はそのまま仮開口部の打説コ
ンクリート中に埋殺されるので、過密配筋の中で
の打継型枠の解体作業がなくなり、鉄筋の継手処
理が容易になる。 When sealing the temporary opening, stud bolts are planted in the plate molding form anchored to the joint surface of the shear wall, and the vertical and horizontal bars of the temporary opening are installed between the opposing stud bolts. Since the temporary opening was integrated into the shear wall by connecting them and pouring concrete, the joint reinforcing bars of the shear wall did not protrude from the joint surface into the temporary opening, making construction easier. The above safety is maintained, and there is no need to provide an opening larger than that required for carrying in equipment, resulting in a reduction in construction costs. Furthermore, since the waste formwork is directly buried in the concrete of the temporary opening, there is no need to dismantle the joint formwork in an overcrowded reinforcement arrangement, and the joint processing of reinforcing bars becomes easy.
また仮開口部の縦横の鉄筋を相対する前記捨型
枠のスタツド間に連結することによつて、耐震壁
の鉄筋の応力をスタツドボルトを介して仮開口部
の縦横の鉄筋に伝達せしめ、同仮開口部の打継部
は周辺のプレート製捨型枠及び耐震壁部で拘束す
ることによつて、打継手に剪断力が生起した場
合、打継部と直角方向の開き変形を殆んどなく
し、またすべりが生起し難いことと相俟つて接合
部としての耐力を向上しうるのである。 In addition, by connecting the vertical and horizontal reinforcing bars of the temporary opening between the opposing studs of the waste formwork, the stress of the shear wall reinforcing bars is transmitted to the vertical and horizontal reinforcing bars of the temporary opening via the stud bolts. By restraining the joint of the temporary opening with the surrounding plate molding forms and earthquake-resistant walls, when shear force is generated at the joint, most of the opening deformation in the direction perpendicular to the joint can be prevented. This, together with the fact that slipping is less likely to occur, can improve the strength of the joint.
（実施例） 以下本発明を図示の実施例について説明する。(Example) The present invention will be described below with reference to the illustrated embodiments.
原子炉建屋等の耐震壁の仮開口部Ａの内周打継
面に沿つて耐震壁Ｂのコンクリート打設用のプレ
ート製捨型枠１を配設し、同捨型枠１の外周面に
植立されたスタツドボルト２に耐震壁部の鉄筋３
を固着して耐震壁コンクリートを打設し、仮開口
部Ａを構成する。 A plate molding form 1 for concrete pouring of the shear wall B is arranged along the inner peripheral joint surface of the temporary opening A of the shear wall of a nuclear reactor building, etc. Reinforcing bars 3 of the earthquake-resistant wall are attached to the planted stud bolts 2
A temporary opening A is constructed by fixing the walls and pouring concrete for the shear wall.
仮開口部Ａの封塞時、前記捨型枠１の内周面に
スタツドボルト２′を植立し、相対する捨型枠１
のスタツドボルト２′間に仮開口部Ａの縦横の鉄
筋４，４′を連結し、仮開口部コンクリートを打
設して既設の耐震壁Ｂと一体化する。 When sealing the temporary opening A, stud bolts 2' are planted on the inner peripheral surface of the waste form 1, and the opposing waste form 1 is closed.
The vertical and horizontal reinforcing bars 4, 4' of the temporary opening A are connected between the stud bolts 2' of the temporary opening A, and concrete is poured into the temporary opening to integrate it with the existing shear wall B.
なお縦筋４′はねじふし鉄筋を使用してねじ継
手５を介して既設部分のねじふし鉄筋３′の突出
端部と接合してもよい。 Note that the vertical reinforcement 4' may be connected to the protruding end of the existing threaded reinforcing bar 3' via the threaded joint 5 using a threaded reinforcing bar.
図示の実施例によれば耐震壁Ｂの横鉄筋３の応
力はスタツドボルト２，２′を介して仮開口部Ａ
の前記鉄筋４に伝達され、同仮開口部Ａのコンク
リート打継部は周辺のプレート製捨型枠１及び耐
震壁Ｂで拘束され、従つて打継部に剪断力が発生
した場合、打継部と直角方向の開き変形は殆んど
なく、またすべりを生じ難いので、接合部として
の耐力が期待される。 According to the illustrated embodiment, the stress in the transverse reinforcing bars 3 of the shear wall B is transferred to the temporary opening A through the stud bolts 2, 2'.
The concrete joint part of the temporary opening A is restrained by the surrounding plate casting form 1 and the shear wall B, and therefore, if shear force is generated at the joint part, the concrete joint part of the temporary opening A is There is almost no opening deformation in the direction perpendicular to the joint, and slippage is unlikely to occur, so it is expected to have a high resistance as a joint.
また耐震壁Ｂ部分の鉄筋３が前記プレート製捨
型枠１のスタツドボルト２に碇着されるので、前
記鉄筋３が仮開口部Ａ内に突出することがなく、
従つて施工上の安全性が向上し、また鉄筋継手の
ために仮開口部を機器搬入に必要な大きさより大
きく設ける必要がなく、また過密配筋の中での打
継型枠の解体作業がなくなり、鉄筋の継手処理が
容易になる。 In addition, since the reinforcing bars 3 of the shear wall B portion are anchored to the stud bolts 2 of the plate scrapping form 1, the reinforcing bars 3 do not protrude into the temporary opening A.
Therefore, construction safety is improved, there is no need to make temporary openings larger than necessary for bringing in equipment for reinforcing bar joints, and dismantling work of pouring formwork in overcrowded reinforcement is eliminated. This makes reinforcing bar joint processing easier.
以上本発明を実施例について説明したが、本発
明は勿論このような実施例にだけ局限されるもの
ではなく、本発明の精神を逸脱しない範囲内で
種々の設計の改変を施しうるものである。 Although the present invention has been described above with reference to embodiments, the present invention is, of course, not limited to such embodiments, and can be modified in various ways without departing from the spirit of the present invention. .
第１図は本発明に係る原子炉建屋等の仮開口部
施工方法の一実施例の実施状況を示す正面図、第
２図及び第３図はその縦断側面図、第４図はその
横断平面図、第５図及び第６図は夫々従来の施工
方法の実施状況を示す正面図並に縦断面図、第７
図及び第８図は夫々従来の施工方法の実施状況を
示す正面図並に縦断側面図である。
Ａ……耐震壁、Ｂ……仮開口部、１……プレー
ト製捨型枠、２，２′……スタツドボルト、３…
…耐震壁の鉄筋、４，４′……仮開口部の鉄筋。
Fig. 1 is a front view showing the implementation status of one embodiment of the method for constructing temporary openings in nuclear reactor buildings, etc. according to the present invention, Figs. 2 and 3 are longitudinal side views thereof, and Fig. 4 is its transverse plane. 5 and 6 are a front view, a longitudinal sectional view, and a 7th sectional view showing the implementation status of the conventional construction method, respectively.
FIG. 8 and FIG. 8 are a front view and a vertical side view, respectively, showing the state of implementation of the conventional construction method. A...Shear wall, B...Temporary opening, 1...Plate molding, 2, 2'...Stud bolt, 3...
...Reinforcing bars for shear walls, 4,4'...Reinforcing bars for temporary openings.
Claims (1)
壁の鉄筋端部が碇着されたプレート製捨型枠を配
設し、仮開口部封塞時に前記捨型枠にスタツドボ
ルトを植立し、相対する同捨型枠のスタツドボル
ト間に仮開口部の縦鉄筋及び横鉄筋を接続したの
ち同仮開口部のコンクリートを打設することを特
徴とする耐震壁の仮開口部施工方法。1. A plate-made formwork to which the reinforcing steel ends of the shear-resistant wall are anchored is installed along the inner circumferential joint surface of the temporary opening in the shear wall, and stud bolts are installed in the waste form when the temporary opening is closed. Construction of a temporary opening in a seismic wall characterized by planting, connecting vertical reinforcing bars and horizontal reinforcing bars of the temporary opening between stud bolts of opposing single-sided formwork, and then pouring concrete for the temporary opening. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60000465A JPS61162668A (en) | 1985-01-08 | 1985-01-08 | Construction method for temporary openings in earthquake-resistant walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60000465A JPS61162668A (en) | 1985-01-08 | 1985-01-08 | Construction method for temporary openings in earthquake-resistant walls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61162668A JPS61162668A (en) | 1986-07-23 |
| JPH0425385B2 true JPH0425385B2 (en) | 1992-04-30 |
Family
ID=11474543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60000465A Granted JPS61162668A (en) | 1985-01-08 | 1985-01-08 | Construction method for temporary openings in earthquake-resistant walls |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61162668A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2500301Y2 (en) * | 1992-03-19 | 1996-06-05 | 正和商事株式会社 | Soap and pocket tissue storage and soap storage |
-
1985
- 1985-01-08 JP JP60000465A patent/JPS61162668A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61162668A (en) | 1986-07-23 |
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