JPH0455571A - Reinforcement construction joint method of reinforced concrete construction - Google Patents
Reinforcement construction joint method of reinforced concrete constructionInfo
- Publication number
- JPH0455571A JPH0455571A JP16494390A JP16494390A JPH0455571A JP H0455571 A JPH0455571 A JP H0455571A JP 16494390 A JP16494390 A JP 16494390A JP 16494390 A JP16494390 A JP 16494390A JP H0455571 A JPH0455571 A JP H0455571A
- Authority
- JP
- Japan
- Prior art keywords
- coupler
- reinforcing bars
- screw
- reinforcing bar
- buried
- 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
- 238000000034 method Methods 0.000 title claims description 8
- 239000011150 reinforced concrete Substances 0.000 title claims description 8
- 238000010276 construction Methods 0.000 title abstract description 7
- 230000002787 reinforcement Effects 0.000 title 1
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 58
- 239000004567 concrete Substances 0.000 claims abstract description 20
- 239000011440 grout Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 1
- 239000000565 sealant Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010041235 Snoring Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、鉄筋コンクリート構造物の先行側コンクリ
ート壁中の埋設ねじ鉄筋に延長用ねじ鉄筋を樹脂等のグ
ラウト材を充填したカプラーによって打継ぐ鉄筋打継ぎ
工法に係るものである。Detailed Description of the Invention (Field of Industrial Application) This invention relates to a method for connecting threaded reinforcing bars for extension to threaded reinforcing bars buried in a preceding concrete wall of a reinforced concrete structure using a coupler filled with grout material such as resin. This relates to the pouring method.
（従来の技術）
従来のこの樵の鉄筋コンクリート構造物の鉄筋打継ぎ工
法は、第４図に示すように端部にコーン状端子（イ）を
螺合した埋設ねじ鉄筋（→を配筋してを枠（ハ）を組立
て、その後、コンクリートを打設して第５図に示すよう
に埋設ねじ鉄筋（ロ）の箇所の壁面に凹部に）を形成し
た先行側コンクリート壁（ホ）を構築する。(Prior art) As shown in Fig. 4, the conventional method of reinforcing reinforcing bars for reinforced concrete structures is to use buried threaded reinforcing bars with cone-shaped terminals (a) screwed onto the ends (→). Assemble the frame (c), and then pour concrete to construct the preceding concrete wall (e) with recesses formed in the wall surface at the locations of the buried screw reinforcing bars (b), as shown in Figure 5. .
次いで、第５図に示すように埋設ねじ鉄筋（ロ）の端部
にカプラー（へ）の−半部を螺合した後、そのカプラー
（へ）の他半部に延長用ねじ鉄筋（ト）の端部な螺合す
る。その後、樹脂等のグラウト材（イ）をカプラー（へ
）の中央部の注入孔（す）よりカプラー（へ）内に該カ
プラー（へ）から溢出体）するまで注入しカプラー（へ
）とねじ鉄筋（ロ）、（ト）の間隙内に充填して埋設ね
じ鉄筋（ロ）への延長用ねじ鉄筋（ト）の打継ぎを行っ
ている。Next, as shown in Fig. 5, after screwing the negative half of the coupler (F) to the end of the buried threaded reinforcing bar (B), an extension threaded reinforcing bar (G) is attached to the other half of the coupler (F). Screw the ends together. After that, inject grout material (A) such as resin into the coupler (A) through the injection hole (S) in the center of the coupler (A) until it overflows from the coupler (A), and screw the coupler (A) into place. The gap between reinforcing bars (b) and (g) is filled and the threaded reinforcing bars (g) for extension are connected to the buried threaded reinforcing bars (b).
（発明が解決しようとする問題点）
上記従来の鉄筋コンクリート構造物の鉄筋打継ぎ工法に
おいては、
＋１）先行側コンクリート壁（ホ）の壁面における埋設
ねじ鉄筋（ロ）の箇所に凹部に）を形成する。従りて、
（イ） 凹部に）を形成する作業に手間が掛って施工費
が高くなる。(Problems to be Solved by the Invention) In the above-mentioned conventional reinforcing bar splicing method for reinforced concrete structures: do. Therefore, the work of forming (a) (in the recess) is time-consuming and increases the construction cost.
（ロ）凹部に）からひび割れ等を生じるおそれがある。(b) There is a risk of cracks, etc. occurring in the recesses.
（／→ 多くの凹部に）が僅小間隔で形成されるから、
先行側コンクリート壁（ホ）の壁面部が弱くて破損し易
い。(/→ in many recesses) are formed at very small intervals,
The wall surface of the preceding concrete wall (E) is weak and easily damaged.
（２）埋設ねじ鉄筋（ロ）へのカプラー（へ）の螺合長
さの確認が難しい。(2) It is difficult to confirm the screw length of the coupler (b) to the buried screw reinforcing bar (b).
（３） グラウト材−を注入孔Ｑハよりカプラー（へ
）とねじ鉄筋（ロ）、（Ｈの間隙内に注入するから、そ
の注入用のコンプレッサ、ホース、注入器、電気等が必
要で、作業性が悪い。(3) Since the grout material is injected from the injection hole Q into the gap between the coupler (to), the threaded reinforcing bar (b), and (H), a compressor, hose, injector, electricity, etc. are required for the injection. Poor workability.
（４） グラウト材（ト）の注入後のカプラー（へ）
とねじ鉄筋（ロ）、（ト）の間隙からの温熱悼）はその
カプラー（へ）の両端部からの温熱区）の確認が必要で
あるのに、埋設ねじ鉄筋（ロ）＠の確認が困難である。(4) Coupler after injection of grout (g)
Although it is necessary to confirm the heating area from both ends of the coupler (for heating from the gap between screw reinforcing bars (b) and (g)), it is not possible to confirm the buried screw reinforcing bars (b) @. Have difficulty.
（５）上記の溢出グラウト材■）が埋設ねじ鉄筋（ロ）
側で多すぎた場合の取除きが難しい。(5) The above overflowing grout material (■) is buried as a screw reinforcing bar (b)
Difficult to remove if there is too much on the side.
等の点に問題がある。There are problems with these points.
（問題点を解決するための手段）
この発明は、上記の問題点を解決するために、端部にカ
プラー（ＩＪの一半部を螺合してロックナツト（２）に
より締付は固定した埋設ねじ鉄筋（３）を、そのカプラ
ーｔ１）の他端面な先行側コンクリート壁囚の壁面と合
致させ配筋して該先行側コンクリート壁囚を構築した後
、包装したグラウト材（４）をカプラー（１）内に入れ
、その後、カプラー（１）の他半部に延長用ねじ鉄筋（
５）の端部な螺合してグラウト材（４）の包装を潰すと
共に、そのグラウト材（４）をカプラー（１ンと埋設ね
じ鉄筋（３）および延長用ねじ鉄筋（５）の間隙内に充
填し該カプラー（１）から温熱（６）させて埋設ねじ鉄
筋（３）に弧長用ねじ鉄筋（５）を打継ぐ。(Means for Solving the Problems) In order to solve the above problems, the present invention provides a coupler (a buried screw in which a half of the IJ is screwed together and fixed with a lock nut (2)) at the end. After constructing the preceding concrete wall by aligning the reinforcing bars (3) with the wall surface of the preceding concrete wall, which is the other end of the coupler t1, and constructing the preceding concrete wall, the packaged grout material (4) was added to the coupler (1). ), then attach the extension threaded reinforcing bar (
5) and crush the packaging of the grout material (4), and insert the grout material (4) into the gap between the coupler (1) and the buried threaded reinforcing bar (3) and the extension threaded reinforcing bar (5). The coupler (1) heats the steel (6) and connects the threaded reinforcing bar (5) for arc length to the buried threaded reinforcing bar (3).
（実施例）
第１図乃至第３図に示すこの発明の一実施態様について
その構造を説明すれば、囚は先行側コンクリート壁を示
し、（１）はカプラー、（２）はロックナツト、（３）
は先行１１コンクリート壁囚中に配筋する埋設ねじ鉄筋
、（４）は樹脂、モルタル等の包装したグラウト材、（
５）は延長用ねじ鉄筋、（６１はグラウト材（４）の温
熱したグラウト材、（７）は樹脂、モルタル、接着剤等
で行うロックナツト（２）と埋設ねじ鉄筋（３）の間隙
のシール、（８）は製枠である。(Example) To explain the structure of one embodiment of the present invention shown in Figs. 1 to 3, the figure shows the leading side concrete wall, (1) a coupler, (2) a lock nut, (3) )
(4) is a grout material packaged with resin, mortar, etc., (
5) is threaded reinforcing bar for extension, (61 is heated grout material (4), and (7) is sealing of the gap between lock nut (2) and buried threaded reinforcing bar (3) using resin, mortar, adhesive, etc. , (8) is a made frame.
次にその施工法を説明する。Next, the construction method will be explained.
第１図に示すように埋設ねじ鉄筋（３）の端部にロック
ナツト（２）を螺合してカプラー（１）の−半部を螺合
し、そのロックナツト（２）を所定のトルクでカプラー
（１）Ｋ締付けた後、日ツクナツト（２）と埋設ねじ鉄
筋（３）の間隙をシール（７）する。As shown in Figure 1, screw the lock nut (2) onto the end of the buried threaded reinforcing bar (3), screw together the negative half of the coupler (1), and tighten the lock nut (2) to the coupler with the specified torque. (1) After tightening K, seal (7) the gap between the Japanese nut (2) and the buried screw reinforcing bar (3).
次いで、カプラー（１）付き埋設ねじ鉄筋（３）を配筋
し臘枠（８）を組立ててコンクリートを打設し、その後
、型枠（８）を解体して８２図に示すように先行側コン
クリート壁囚な構築する。Next, the buried screw reinforcing bars (3) with couplers (1) are arranged, the frame (8) is assembled, and concrete is poured.Then, the formwork (8) is dismantled and the leading side is opened as shown in Figure 82. Build a concrete wall.
次に、包装したグラウト材（４）を第２図に鎖線で示す
ようにカプラー（１）内に入れる。Next, the packaged grout material (4) is placed into the coupler (1) as shown by the chain line in FIG.
その後、第３因に示すようにカプラー（１）の他半部に
延長用ねじ鉄筋（５）の端部な螺合してグラウト材（４
）の包装を潰すと共に、そのグラウト材（４（をカプラ
ー（１）とねじ鉄筋（３１、（５１の間隙内に充填しカ
プラー（１）から温熱（６）させて埋設ねじ鉄筋（３）
に延長用ねじ鉄筋（５）をカプラー（１）により打継ぐ
。Then, as shown in the third factor, the end of the extension screw reinforcing bar (5) is screwed into the other half of the coupler (1), and the grout material (4) is screwed into the other half of the coupler (1).
), the grout material (4) is filled into the gap between the coupler (1) and the threaded reinforcing bars (31, (51), and heated (6) from the coupler (1) to form the buried threaded reinforcing bars (3).
Connect the extension threaded reinforcing bar (5) with the coupler (1).
（発明の効果）
この発明の鉄筋コンクリート構造物の鉄筋打継ぎ工法は
、下記のような顕著な効果を有する。(Effects of the Invention) The reinforcing bar splicing method for reinforced concrete structures of the present invention has the following remarkable effects.
（１１カプラーにグラウト材を注入するためのコンプレ
ッサ、注入器等の機械が不要である。(No machines such as a compressor or injector are required to inject grout into the coupler.
（２）先行側コンクリート壁に凹部等の処理が不要であ
る。従って、
（イ）施工性が良い。(2) There is no need to treat recesses, etc. on the preceding concrete wall. Therefore, (a) Workability is good.
（→ 施工費が安い。(→ Construction costs are low.
（ハ）先行側コンクリート壁にひび割れ等を誘発するお
それが無い。(c) There is no risk of inducing cracks in the preceding concrete wall.
（３） グラウト材を延長用ねじ鉄筋側のカプラ端部
より溢出させるから、グラウト材がカプラーとねじ鉄筋
の間隙内に充填されたことが確認でき、カプラーとねじ
鉄筋の結合を常に適確になし得る。(3) Since the grout material overflows from the end of the coupler on the extension screw reinforcing bar side, it can be confirmed that the grout material has filled the gap between the coupler and the threaded reinforcing bar, and the connection between the coupler and the threaded reinforcing bar can always be made properly. It can be done.
第１図はこの発明の一実施態様の鉄筋コンクリート構造
物の鉄筋打継ぎ工法に使用するカプラー付き埋設ねじ鉄
筋の要部の正面図、第２図は同上カプラー付き埋設ねじ
鉄筋を配設して構ぞれ示す。
（５）・・・先行側コンクリート壁、（１）・・・カプ
ラー（２）・・・ロックナツト、（３）・・・埋設ねじ
鉄筋、（４）・・・包装したグラウト材、（５）・・・
延長用ねじ鉄筋、（６）・・・溢出したグラウト材、（
７）・・・シール、（８）・・・ａ枠、特許 出願人
（６６５）新日本製鐵株式會社同
（０４４）岡部株式会社
じ鉄筋を打継いだ状態の正断面図、第４図および第５図
は従来の鉄筋コンクリート構造物の鉄筋打継ぎ工法の施
工説明正断面図で、第４図は埋設ねじ鉄筋を配筋してコ
ンクリートを打設した状態、第５図はその埋設ねじ鉄筋
に鴬長用ねじ鉄筋をカプラーによって打継いだ状態をそ
れト」
Ａ−一一擁Ａｆ１舜ゴコンクリート壁
１−−−１’ラー
２−−ロックナツト
６−−−３Ｊ鼾出したグ弁Ｆ材
７−−−シール
６−−−型枠
オ、Fig. 1 is a front view of the main part of a buried screw reinforcing bar with a coupler used in the reinforcing bar splicing method for reinforced concrete structures according to an embodiment of the present invention, and Fig. 2 shows a structure in which the same buried threaded reinforcing bar with a coupler is arranged. Shown below. (5)...Advanced concrete wall, (1)...Coupler (2)...Lock nut, (3)...Embedded screw reinforcing bar, (4)...Wrapped grout material, (5) ...
Screw reinforcing bar for extension, (6)... Overflowing grout material, (
7)...Seal, (8)...A frame, patent applicant
(665) Nippon Steel Corporation (044) Okabe Co., Ltd. A front cross-sectional view of the reinforcing bar spliced, Figures 4 and 5 are construction explanations of the conventional reinforcing bar splicing method for reinforced concrete structures. In the cross-sectional views, Figure 4 shows the state in which buried screw reinforcing bars have been arranged and concrete has been poured, and Figure 5 shows the state in which screw length threaded reinforcing bars have been connected to the buried threaded reinforcing bars with couplers. 11 support Af1 Shungo concrete wall 1---1'r 2---Lock nut 6---3J snoring valve F material 7---Seal 6---Formwork O,
Claims (1)
締付け固定した埋設ねじ鉄筋を、そのカプラーの他端面
を先行側コンクリート壁の壁面と合致させ配筋して該先
行側コンクリート壁を構築した後、包装したグラウト材
を上記カプラー内に入れ、その後、上記カプラーの他半
部に延長用ねじ鉄筋の端部を螺合して上記グラウト材の
包装を潰すと共に、そのグラウト材を上記カプラーと上
記埋設ねじ鉄筋および延長用ねじ鉄筋の間隙内に充填し
て該カプラーから溢出させることを特徴とする鉄筋コン
クリート構造物の鉄筋打継ぎ工法。The preceding concrete wall was constructed by threading one half of the coupler onto the end and tightening and fixing the buried screw reinforcing steel with a lock nut, and aligning the other end of the coupler with the wall surface of the preceding concrete wall. After that, the packaged grout material is put into the coupler, and then the end of the extension screw reinforcing bar is screwed into the other half of the coupler to crush the package of the grout material, and the grout material is inserted into the coupler. A reinforcing bar joining method for a reinforced concrete structure, characterized in that the above-mentioned buried threaded reinforcing bars and extension threaded reinforcing bars are filled into the gap and overflowed from the coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2164943A JPH0757990B2 (en) | 1990-06-22 | 1990-06-22 | Reinforcement splicing method for reinforced concrete structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2164943A JPH0757990B2 (en) | 1990-06-22 | 1990-06-22 | Reinforcement splicing method for reinforced concrete structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0455571A true JPH0455571A (en) | 1992-02-24 |
| JPH0757990B2 JPH0757990B2 (en) | 1995-06-21 |
Family
ID=15802801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2164943A Expired - Fee Related JPH0757990B2 (en) | 1990-06-22 | 1990-06-22 | Reinforcement splicing method for reinforced concrete structures |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0757990B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07269025A (en) * | 1994-03-31 | 1995-10-17 | Tokyo Tekko Co Ltd | Placing joint method |
| JP2010261241A (en) * | 2009-05-08 | 2010-11-18 | Nichireki Co Ltd | Dowel bar, dowel bar unit, and method for embedding the dowel bar |
| CN102888992A (en) * | 2011-07-20 | 2013-01-23 | 黄传茂 | Gridwork girder construction method |
| CN103321421A (en) * | 2013-06-28 | 2013-09-25 | 河北省第二建筑工程公司 | Construction method for one-time formation of concrete pool wall |
| CN104234432A (en) * | 2012-09-06 | 2014-12-24 | 山东聊建集团有限公司 | Construction method of garage roof structure |
| JP2018059387A (en) * | 2016-09-29 | 2018-04-12 | Ｊｆｅ条鋼株式会社 | Injection method of filler to screw reinforcement joint part and cartridge for accommodating filler |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015735A (en) * | 2012-12-16 | 2013-04-03 | 中建六局土木工程有限公司 | Construction method for planting wall lacing bars after pre-burying of sleeve assemblies |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397833U (en) * | 1977-01-13 | 1978-08-08 |
-
1990
- 1990-06-22 JP JP2164943A patent/JPH0757990B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397833U (en) * | 1977-01-13 | 1978-08-08 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07269025A (en) * | 1994-03-31 | 1995-10-17 | Tokyo Tekko Co Ltd | Placing joint method |
| JP2010261241A (en) * | 2009-05-08 | 2010-11-18 | Nichireki Co Ltd | Dowel bar, dowel bar unit, and method for embedding the dowel bar |
| CN102888992A (en) * | 2011-07-20 | 2013-01-23 | 黄传茂 | Gridwork girder construction method |
| CN104234432A (en) * | 2012-09-06 | 2014-12-24 | 山东聊建集团有限公司 | Construction method of garage roof structure |
| CN104234432B (en) * | 2012-09-06 | 2016-09-14 | 山东聊建集团有限公司 | Shed deckhead construction method |
| CN103321421A (en) * | 2013-06-28 | 2013-09-25 | 河北省第二建筑工程公司 | Construction method for one-time formation of concrete pool wall |
| CN103321421B (en) * | 2013-06-28 | 2016-01-13 | 河北省第二建筑工程有限公司 | The one-time formed construction method of a kind of concrete water pool wall |
| JP2018059387A (en) * | 2016-09-29 | 2018-04-12 | Ｊｆｅ条鋼株式会社 | Injection method of filler to screw reinforcement joint part and cartridge for accommodating filler |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0757990B2 (en) | 1995-06-21 |
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