JPH0425386B2 - - Google Patents
Info
- Publication number
- JPH0425386B2 JPH0425386B2 JP60000466A JP46685A JPH0425386B2 JP H0425386 B2 JPH0425386 B2 JP H0425386B2 JP 60000466 A JP60000466 A JP 60000466A JP 46685 A JP46685 A JP 46685A JP H0425386 B2 JPH0425386 B2 JP H0425386B2
- Authority
- JP
- Japan
- Prior art keywords
- temporary opening
- reinforcing bars
- joint
- steel frame
- temporary
- 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
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
- Load-Bearing And Curtain Walls (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Dry Development In Electrophotography (AREA)
- Developing For Electrophotography (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
６図及び第７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８図、第９図に示すように仮開口部
内周コンクリート打継面にカプラーを埋込み機械
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 6 and 7, a temporary opening a is created that has an opening width l p that is 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. 8 and 9, a coupler may be embedded in the concrete joint surface of the inner circumference 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８図、第９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 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 crowded areas and in the case of Figures 8 and 9, 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 screw of the reinforcing bar in the temporary opening cannot be used. There were problems such as not being able to apply sufficient torque to the 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縁に沿つて鉄筋材
を配設するとともに、同鉄骨材に耐震壁部のねじ
ふし鉄筋の端部を緊結し、前記仮開口部閉塞部に
相対する前記鉄骨材間にねじふし鉄筋またはプレ
ートを連結したのち、前記仮開口部にコンクリー
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. The reinforcing bars are arranged along the inner periphery of the temporary opening of the earthquake-resistant wall, and the ends of the threaded reinforcing bars of the earthquake-resistant wall are tightly tied to the steel frame material, and the reinforcing bars facing the temporary opening closing part are The present invention relates to a method for constructing a temporary opening in a seismic wall, which comprises connecting threaded reinforcing bars or plates between steel frames, and then pouring concrete into the temporary opening.
（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縁に沿つて鉄骨材が配
設され、同鉄骨材に既設の耐震壁部のねじふし鉄
筋の端部を緊結するようにしたので、前記耐震壁
部の継手鉄筋が壁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確保さ
れ、また幾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。(Function) and (Effects of the Invention) As described above, in the present invention, a steel frame material is provided along the inner periphery of a temporary opening in a shear wall of a nuclear reactor building, etc. Since the ends of the threaded reinforcing bars are tied together, the joint reinforcing bars of the earthquake-resistant wall part do not protrude from the wall joint surface into the temporary opening, thus ensuring construction safety and reducing the There is no need to provide an opening larger than the size required for carrying in the vessel, and construction costs are reduced.
また仮開口部のねじふし鉄筋またはプレートを
相対する前記鉄骨材間に連結することによつて、
耐震壁部の鉄筋の応力を鉄骨材を介して仮開口部
の鉄筋またはプレートに伝達するようにしたの
で、耐震壁部と仮開口部との各鉄筋継手の作業性
が向上し、また本発明では仮開口部の鉄筋４は鋼
材の両側のナツト５でトルクがとれ所定のトルク
で前記各鉄筋を鉄骨材に緊結することができ、信
頼性の高い継手が構成される（第１図〜第４図参
照）。 In addition, by connecting the threaded reinforcing bars or plates of the temporary opening between the opposing steel frames,
Since the stress of the reinforcing bars in the shear wall section is transmitted to the reinforcing bars or plates in the temporary opening via the steel frame material, the workability of each reinforcing bar joint between the shear wall section and the temporary opening is improved, and the present invention Now, the reinforcing bars 4 in the temporary opening can be torqued with the nuts 5 on both sides of the steel material, and each of the reinforcing bars can be tightened to the steel frame with a predetermined torque, and a highly reliable joint is constructed (Figs. 1 to 1). (See Figure 4).
また前記鉄骨材は予め工場で加工されることに
より、同鉄骨材に接合される鉄筋の間隔、かぶり
厚を確保でき、施工精度が向上される。 Furthermore, by processing the steel frame material in advance in a factory, it is possible to ensure the spacing and cover thickness of the reinforcing bars to be joined to the steel frame material, thereby improving construction accuracy.
また前記仮開口部の打継部は周辺鉄骨材及び既
設の耐震壁部で拘束されているので耐力、靭性に
優れ、打継部に剪断力が生じた場合、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
じ難いため、接合部としての耐力が期待できる。 In addition, since the joint of the temporary opening is restrained by the surrounding steel frame materials and the existing shear wall, it has excellent strength and toughness, and when shearing force occurs in the joint, the opening in the direction perpendicular to the joint Since there is almost no deformation and it is difficult to cause slippage, it can be expected to have high strength as a 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の周縁にＨ
型鋼よりなる鉄骨材１を配設し、同各鉄骨材１の
外側フランジに耐震壁Ｂにねじふし鉄筋２の突出
端部をナツト３を介して緊締する。 H around the periphery of temporary opening A in earthquake-resistant walls of reactor buildings, etc.
Steel frames 1 made of shaped steel are arranged, and the protruding ends of threaded reinforcing bars 2 are tightened to the outer flanges of each steel frame 1 to the shear wall B via nuts 3.
而して仮開口部Ａの封塞時、同部のねじふし鉄
筋４の両端部を相対する鉄骨材１の内側フランジ
にナツト５で緊結する。 When the temporary opening A is closed, both ends of the threaded reinforcing bar 4 in the same area are fastened to the inner flanges of the opposing steel frame 1 with nuts 5.
なお縦筋４′は前記同様鉄骨材１に緊結しても、
或いは従来同様にねじ継手６を介して既設のコン
クリート部のねじふし鉄筋２′突出端部と継接し
てもよい。 Note that even if the vertical reinforcement 4' is tied to the steel frame 1 as described above,
Alternatively, it may be connected to the protruding end of the threaded reinforcing bar 2' of the existing concrete part via the threaded joint 6 as in the conventional case.
次いで前記仮開口部の型枠を組立て、コンクリ
ートを打設して既設の耐震壁と一体化する。 Next, the formwork for the temporary opening is assembled and concrete is poured to integrate it with the existing earthquake-resistant wall.
図示の実施例によれば耐震壁Ｂの前記鉄筋２の
応力は鉄骨材１を介して仮開口部Ａの前記鉄筋４
に伝達されるものであり、仮開口部のコンクリー
ト打継部は周辺の鉄骨材１及び耐震壁Ｂ部で拘束
されるので、打継部に剪断力が生起した場合、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 reinforcing bars 2 of the shear wall B is transferred to the reinforcing bars 4 of the temporary opening A through the steel frame 1.
The concrete joint of the temporary opening is restrained by the surrounding steel frame 1 and the shear wall B, so if shear force occurs at the joint, it will be transmitted in the direction perpendicular to the concrete joint. Since there is almost no opening deformation and it is difficult to cause slippage, it is expected to have high resistance as a joint.
また耐震壁Ｂ部分のねじふし鉄筋２が前記鉄骨
材１に緊結されているので、同鉄筋２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、また鉄筋継手部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、更にまた前記鉄筋２，４を所定のトルクで
鉄骨材１に緊結できるので、継手の性能が向上す
るものである。 In addition, since the threaded reinforcing bars 2 of the shear wall B portion are tied to the steel frame 1, the reinforcing bars 2 do not protrude into the temporary opening A, which improves construction safety. There is no need to provide a temporary opening larger than that necessary for carrying in the equipment for the reinforcing bar joint, and the reinforcing bars 2 and 4 can be fastened to the steel frame 1 with a predetermined torque, so the performance of the joint is improved. It is.
なお第５図は本発明の他の実施例を示し、前記
鉄骨材１としてカツトＴ型鋼を使用し、そのウエ
ブ部に仮開口部内に配設されたプレート７を溶接
ω、またはボルト８締めによつて結合するもので
ある。図中前記実施例と均等部分には同一符号が
附されている。 In addition, FIG. 5 shows another embodiment of the present invention, in which a cut T-shaped steel is used as the steel frame 1, and a plate 7 disposed in a temporary opening in the web part is welded or bolted 8. This is what connects them. In the figure, parts equivalent to those of the above embodiment are given the same reference numerals.
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耐震壁の
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
図はその部分横断平面図、第５図は本発明の他の
実施例の実施状況を示す横断平面図、第６図及び
第７図は夫々従来の原子炉建家等の仮開口部の施
工状況を示す正面図並に縦断側面図である。尚、
第８図及び第９図は夫々、従来の原子炉発電所建
屋等の仮開口部の施工状況を示す正面図並びに縦
断側面図である。
Ａ……仮開口部、Ｂ……耐震壁、１……鉄骨
材、２……ねじふじ鉄筋、３……ナツト、４……
ねじふじ鉄筋、５……ナツト。
FIG. 1 is a front view showing the implementation status of one embodiment of the method for constructing temporary openings in earthquake-resistant walls of nuclear reactor buildings, etc. according to the present invention, FIGS. 2 and 3 are vertical side views thereof, and FIG.
The figure is a partial cross-sectional plan view of the same, FIG. 5 is a cross-sectional plan view showing the implementation status of another embodiment of the present invention, and FIGS. 6 and 7 are respectively the construction of a temporary opening in a conventional reactor building, etc. It is a front view and a vertical side view showing the situation. still,
FIG. 8 and FIG. 9 are a front view and a vertical side view, respectively, showing the construction status of a temporary opening in a conventional nuclear reactor power plant building, etc. A...Temporary opening, B...Shear wall, 1...Steel frame material, 2...Nejifuji reinforcing bar, 3...Nut, 4...
Nejifuji Rebar, 5...Natsuto.
Claims (1)
設するとともに、同鉄骨材に耐震壁部のねじふし
鉄筋の端部を緊結し、前記仮開口部閉塞部に相対
する前記鉄骨材間にねじふし鉄筋またはプレート
を連結したのち、前記仮開口部にコンクリートを
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 steel frame is placed along the inner periphery of the temporary opening of the seismic wall, and the ends of the threaded reinforcing bars of the shear wall are tightly tied to the steel frame, and between the steel frames facing the temporary opening closing part. 1. A method for constructing a temporary opening in a seismic wall, the method comprising: connecting threaded reinforcing bars or plates to the temporary opening, and then pouring concrete into the temporary opening.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60000466A JPS61162669A (en) | 1985-01-08 | 1985-01-08 | Construction of temporary opening part of earthquake-proof wall |
| CN86100133.8A CN1003400B (en) | 1985-01-08 | 1986-01-08 | Method and device for automatic control of image blackness in copier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60000466A JPS61162669A (en) | 1985-01-08 | 1985-01-08 | Construction of temporary opening part of earthquake-proof wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61162669A JPS61162669A (en) | 1986-07-23 |
| JPH0425386B2 true JPH0425386B2 (en) | 1992-04-30 |
Family
ID=11474571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60000466A Granted JPS61162669A (en) | 1985-01-08 | 1985-01-08 | Construction of temporary opening part of earthquake-proof wall |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS61162669A (en) |
| CN (1) | CN1003400B (en) |
-
1985
- 1985-01-08 JP JP60000466A patent/JPS61162669A/en active Granted
-
1986
- 1986-01-08 CN CN86100133.8A patent/CN1003400B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1003400B (en) | 1989-02-22 |
| CN86100133A (en) | 1986-08-27 |
| JPS61162669A (en) | 1986-07-23 |
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