JPH0420054B2 - - Google Patents
Info
- Publication number
- JPH0420054B2 JPH0420054B2 JP59066238A JP6623884A JPH0420054B2 JP H0420054 B2 JPH0420054 B2 JP H0420054B2 JP 59066238 A JP59066238 A JP 59066238A JP 6623884 A JP6623884 A JP 6623884A JP H0420054 B2 JPH0420054 B2 JP H0420054B2
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing bars
- shear
- reinforcement
- main reinforcement
- main
- 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 44
- 230000002787 reinforcement Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000011150 reinforced concrete Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
Description
【発明の詳細な説明】
本発明は、鉄筋コンクリートににおける鉄筋の
組み立て方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for assembling reinforcing bars in reinforced concrete.
鉄筋コンクリートの強度は、鉄筋が設計どうり
の位置に正確に組み立てられるか否かで大きく左
右されるものである。しかし、現実には、鉄筋の
組み立て・加工の精度は、現場作業者の技能によ
るところが多分にあり、熟練者と非熟練者とで
は、その仕上がりに大きな差異があつた。人手不
足の折から非熟練者でも長期間の訓練を必要とし
ない鉄筋の組み立て方法の開発が望まれていた。 The strength of reinforced concrete is largely determined by whether the reinforcing bars are assembled accurately in the designed locations. However, in reality, the accuracy of assembling and processing reinforcing bars largely depends on the skill of the on-site worker, and there was a large difference in the finished product between skilled and unskilled workers. Due to the labor shortage, there was a desire to develop a method for assembling reinforcing bars that would not require long-term training even for unskilled workers.
本発明は、前記の問題を解決すべく、せん断補
強筋を構造部材の断面形状に合わせて曲加工し、
両端部をフラツシユバツト溶接で一体化し、接続
部の強度を母材強度と同じにし、これを定規に主
筋の位置決めをおこない主筋の位置を設計どおり
にすると共に、強度が接続部においても他の部分
と変わりないせん断補強筋を用いることにより、
鉄筋コンクリート構造物の強度を増大させようと
するものである。また、せん断補強筋の組み立て
を迅速かつ簡易にしようとするものである。 In order to solve the above problem, the present invention bends shear reinforcing bars to match the cross-sectional shape of the structural member,
Both ends are integrated by flat butt welding, and the strength of the connection part is made the same as the strength of the base metal. Then, the main reinforcement is positioned using a ruler, and the position of the main reinforcement is as designed, and the strength of the connection part is the same as that of other parts. By using the same shear reinforcement,
The aim is to increase the strength of reinforced concrete structures. It is also intended to make the assembly of shear reinforcing bars quick and easy.
従来のせん断補強筋の組み立て方法としては、
第１図に示すようにフツクを設け主筋に組み付け
る方法、第２図に示すスパイラル筋による方法等
があつた。 The conventional method of assembling shear reinforcement is as follows:
There was a method of installing hooks and attaching them to the main reinforcement as shown in FIG. 1, and a method of using spiral reinforcement as shown in FIG. 2.
フツクを設けて主筋に組み付ける方法は補強筋
の端部がフリーの状態で重ね合わせてあるだけな
ので断面形状が変形しやすく、主筋の位置がずれ
やすく配筋が設計どうりにゆかず強度に不安を残
すことになる。 The method of installing hooks and assembling them to the main reinforcing bars is simply overlapping the ends of the reinforcing bars in a free state, so the cross-sectional shape is easily deformed, and the main reins are easily misaligned, and the reinforcement arrangement does not follow the design, resulting in concerns about strength. will be left behind.
スパイラル筋の場合、縮められているスパイラ
ル筋を引き伸ばしてせん断補強筋を配筋するので
あるから、引き伸ばしにともなつてスパイラルの
円形断面の直径が小さくなつてゆき、引き伸ばし
作業が困難であつた。最近は主筋に異型鉄筋が使
用されているのでその上を滑らせてゆくことは、
なお困難なことであつた。 In the case of spiral reinforcement, since the shortened spiral reinforcement is stretched and shear reinforcing reinforcement is arranged, the diameter of the circular cross section of the spiral decreases as the reinforcement is stretched, making the stretching process difficult. Recently, deformed reinforcing bars have been used as main reinforcements, so sliding on them is
However, it was difficult.
本発明は、このような従来技術の欠点を克服し
たもので、以下に詳細に説明する。 The present invention overcomes these drawbacks of the prior art and will be described in detail below.
せん断補強筋は、予め、柱、梁などの鉄筋コン
クリート構造物の断面形状にあわせて工場で曲げ
加工し、その端部をフラツシユバツト溶接する。 Shear reinforcing bars are bent in advance at a factory to match the cross-sectional shape of reinforced concrete structures such as columns and beams, and the ends are flat-butted welded.
フラツシユバツト溶接によつて接続部の強度は
母材強度と変わりなくせん断補強筋の断面形状の
変形は極力防止される。 By using flat butt welding, the strength of the joint is the same as that of the base metal, and deformation of the cross-sectional shape of the shear reinforcing bars is prevented as much as possible.
これらのせん断補強筋を予め主筋に通して主筋
の基端部に一箇所にまとめておき、これらのせん
断補強筋の内、少なくとも一つを主筋に沿つて移
動させて主筋の位置不安定部に固定して主筋の位
置決めを行なつた後、残りのせん断補強筋を所定
位置まで移動し、主筋に固定する。せん断補強筋
は変形することが殆ど無いので主筋は設計どおり
の位置のからずれることがない。 These shear reinforcing bars are passed through the main reinforcing bars in advance and gathered in one place at the base end of the main reinforcing bars, and at least one of these shear reinforcing bars is moved along the main reinforcing bars to reach the unstable position of the main reinforcing bars. After fixing and positioning the main reinforcing bars, move the remaining shear reinforcing bars to predetermined positions and fix them to the main reinforcing bars. Since shear reinforcing bars hardly deform, the main reinforcing bars do not deviate from their designed positions.
主筋の位置決めが完了した段階で残りのせん断
補強筋を主筋上をすべらして所定の位置にセツト
する。 When the positioning of the main reinforcing bars is completed, the remaining shear reinforcing bars are slid onto the main reinforcing bars and set in the predetermined positions.
せん断補強筋の定規としての機能を十分に発揮
させるために、主筋が固定される位置に予め結束
線を固定しておくとか、目印をつけておくなどこ
のように、主筋とせんだん補強筋が交差する位置
を明確にしておくと組み立て作業が簡単におこな
える。 In order to fully demonstrate the function of the shear reinforcement as a ruler, it is necessary to fix the binding wire in advance at the position where the main reinforcement will be fixed, or to mark it. Assembling will be easier if you clearly identify the intersection points.
このように、本発明は、鉄筋の組み立ては簡単
でありながらも主筋が設計どおりの位置に配筋さ
れるという利点を有している。 As described above, the present invention has the advantage that the reinforcing bars can be easily assembled and the main reinforcing bars can be arranged at the designed positions.
せん断補強筋は、工場で柱、梁等の構造部材の
断面形状に合わせて曲げ加工し、両端部をフラツ
シユバツト溶接で強固に一体化し、どの部分をと
つても強度が一様であるので鉄筋構造物自体の強
度も向上するという利点がある。 Shear reinforcing bars are bent at the factory to match the cross-sectional shape of structural members such as columns and beams, and both ends are firmly integrated by flat butt welding.The strength of the shear reinforcing bars is uniform throughout, making it a reinforced steel structure. This has the advantage of improving the strength of the object itself.
せん断補強筋は、工場で管理されて曲げ加工、
溶接がおこなわれているので品質に信頼がおける
と共に、これら一連の作業が自動的におこなわれ
るので生産性が高いことは言うまでもない。 Shear reinforcement is controlled and bent at the factory.
Since welding is performed, the quality is reliable, and since this series of operations is performed automatically, it goes without saying that productivity is high.
せん断補強筋は、両端部が溶接で一体化されて
いるので余分の突起がなくコンクリート打設の
際、骨材が引つ掛かつつたりすることがなく、コ
ンクリートが各部に十分まわり、“す”ができる
ことを避けることができる。 Since both ends of the shear reinforcing bar are integrated by welding, there are no extra protrusions, and when concrete is poured, the aggregate will not get caught and fall, and the concrete will fully cover each part. can be avoided.
また、フツク方式に比べ、鉄筋の重複部分がな
いので鉄筋量の節約ができる。 Additionally, compared to the hook method, there is no overlap in the reinforcing bars, so the amount of reinforcing bars can be saved.
スパイラル方式では、引き伸ばしに伴うスパイ
ラルの直径の縮小によつて、施工能率の低下があ
るが、本発明の方法によれば、せん断補強筋の移
動はスムーズにおこなえ施工能率も高い。 In the spiral method, the construction efficiency decreases due to the reduction in the diameter of the spiral due to stretching, but according to the method of the present invention, the shear reinforcement can be moved smoothly and the construction efficiency is high.
スパイラル筋は、円形断面のものにしか適用で
きないが、本発明方法はいかなる断面に対しても
適用でき問題はない。 Although spiral stripes can only be applied to circular cross sections, the method of the present invention can be applied to any cross section without any problem.
このように本発明は、従来技術にない数多くの
利点を有する有益な発明である。 Thus, the present invention is an advantageous invention having numerous advantages over the prior art.
なお、この方法をSRC構造に対し適用する場
合は、柱、梁等の鉄骨に予め両端部をフラツシユ
バツト溶接したせん断補強筋を通してひとまとめ
にして鉄骨にとめておき、鉄骨組み立て完了後、
鉄筋コンクリートのときと同様にせん断補強筋を
移動させて所定の位置にくみつければ良い。 When applying this method to an SRC structure, the shear reinforcing bars with flat butt welded ends are passed through the steel frames such as columns and beams in advance and fixed to the steel frame, and after the steel frame assembly is completed,
Just like with reinforced concrete, you can move the shear reinforcing bars and put them in place.
第１，２図は従来の鉄筋の組み立て方法の説明
図、第３図は本発明に用いるせん断補強筋の平面
図、第４図は本発明の施工順序の説明図、第５図
は鉄骨に本発明を適用した場合の説明図。
１…せん断補強筋、２…主筋、３…鉄骨。
Figures 1 and 2 are explanatory diagrams of the conventional method of assembling reinforcing bars, Figure 3 is a plan view of the shear reinforcing bars used in the present invention, Figure 4 is an explanatory diagram of the construction order of the present invention, and Figure 5 is an illustration of the steel frame. An explanatory diagram when the present invention is applied. 1...Shear reinforcement, 2...Main reinforcement, 3...Steel frame.
Claims (1)
た複数のせん断補強筋を予め主筋に通して主筋の
基端側に一箇所にまとめておき、これらのせん断
補強筋の内、少なくとも一つを主筋に沿つて移動
させて主筋の位置不安定部に固定して主筋の位置
決めを行なつた後、残りのせん断補強筋を所定位
置まで移動させ、主筋に固定することを特徴とす
る環状筋による鉄筋の組み立て工法。 ２ 特許請求の範囲第１項において、鉄筋の突き
合わせ溶接は、フラツシユバツト溶接である環状
筋による鉄筋の組み立て工法。[Scope of Claims] 1 A plurality of shear reinforcing bars with closed sections made by butt welding the ends of the reinforcing bars are passed through the main reinforcement in advance and gathered at one place on the base end side of the main reinforcement, and these shear reinforcing bars are After positioning the main reinforcement by moving at least one of them along the main reinforcement and fixing it to the unstable part of the main reinforcement, the remaining shear reinforcing bars are moved to a predetermined position and fixed to the main reinforcement. A method of assembling reinforcing bars using circular bars. 2. In claim 1, the butt welding of reinforcing bars is a method of assembling reinforcing bars using circular bars, which is flash butt welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6623884A JPS60208541A (en) | 1984-04-03 | 1984-04-03 | Assembling of iron wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6623884A JPS60208541A (en) | 1984-04-03 | 1984-04-03 | Assembling of iron wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60208541A JPS60208541A (en) | 1985-10-21 |
| JPH0420054B2 true JPH0420054B2 (en) | 1992-03-31 |
Family
ID=13310074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6623884A Granted JPS60208541A (en) | 1984-04-03 | 1984-04-03 | Assembling of iron wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60208541A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006104792A (en) * | 2004-10-06 | 2006-04-20 | Hayashi Seiko Kk | Cage |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5215950U (en) * | 1975-07-22 | 1977-02-04 |
-
1984
- 1984-04-03 JP JP6623884A patent/JPS60208541A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5215950U (en) * | 1975-07-22 | 1977-02-04 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006104792A (en) * | 2004-10-06 | 2006-04-20 | Hayashi Seiko Kk | Cage |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60208541A (en) | 1985-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |