JPH0757990B2 - Reinforcement splicing method for reinforced concrete structures - Google Patents
Reinforcement splicing method for reinforced concrete structuresInfo
- Publication number
- JPH0757990B2 JPH0757990B2 JP2164943A JP16494390A JPH0757990B2 JP H0757990 B2 JPH0757990 B2 JP H0757990B2 JP 2164943 A JP2164943 A JP 2164943A JP 16494390 A JP16494390 A JP 16494390A JP H0757990 B2 JPH0757990 B2 JP H0757990B2
- Authority
- JP
- Japan
- Prior art keywords
- coupler
- reinforcing bar
- screw
- embedded
- rebar
- 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
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Reinforcement Elements For Buildings (AREA)
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
ート壁内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を使用して打継ぐ鉄筋コ
ンクリート構造物の鉄筋打継ぎ工法に係るものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention uses a coupler in which a screw reinforcing rod for extension is embedded in a screw reinforcing rod embedded in a preceding concrete wall of a reinforced concrete structure and a grout material such as resin is filled. The present invention relates to a reinforcing bar splicing method for reinforced concrete structures that are spliced together.
（従来の技術） 従来のこの種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（ロ）を配筋して型枠（ハ）を組
立て、その後、コンクリートを打設してそのコンクリー
トが固まつた後、順次型枠（ハ）を解体してコーン状端
子（イ）を取除き、第５図に示すように埋設ねじ鉄筋
（ロ）の箇所の壁面に、埋設ねじ鉄筋（ロ）の端部が突
入する凹所（ニ）を形成した先行側コンクリート壁
（ホ）を構築する。(Prior Art) A conventional reinforcing bar splicing method for this type of reinforced concrete structure is as shown in FIG. 4, in which an embedded screw reinforcing bar (b) having a cone-shaped terminal (a) screwed into the end is arranged. Fig. 5 shows that the concrete form (c) is assembled, then concrete is poured and the concrete is hardened, then the form (c) is disassembled and the cone-shaped terminal (a) is removed. As described above, the preceding concrete wall (e) is constructed by forming the recess (d) into which the end of the embedded screw reinforcing bar (b) is projected on the wall surface of the embedded screw reinforcing bar (b).
次いで、第５図に示すように、凹所（ニ）内に突入した
埋設ねじ鉄筋（ロ）の端部にカプラー（ヘ）への一半部
を螺合した後、そのカプラー（ヘ）の他半部に延長用ね
じ鉄筋（ト）の接続側端部を螺合する。その後、樹脂等
のグラウト材（チ）をカプラー（ヘ）の中央部の注入孔
（リ）よりカプラー（ヘ）内に該カプラー（ヘ）から溢
出（ヌ）するまで注入し、グラウト材（チ）をカプラー
（ヘ）と埋設ねじ鉄筋（ロ）および延長用ねじ鉄筋
（ト）と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）の打継ぎを行つている。Then, as shown in FIG. 5, after one half of the coupler (f) is screwed into the end of the embedded screw rebar (b) protruding into the recess (d), the other part of the coupler (f) is inserted. Screw the connecting side end of the extension screw reinforcing bar (g) into the half part. Then, a grout material (h) such as a resin is injected into the coupler (f) through an injection hole (d) at the center of the coupler (f) until it overflows (n) from the coupler (f), and then the grout material (h) is injected. ) Is filled in the gap between the coupler (f) and the embedded screw reinforcing bar (b) and the extending screw reinforcing bar (g) to connect the extending screw reinforcing bar (g) to the embedded screw reinforcing bar (b). There is.
（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ち継ぎ工法
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）の箇所に凹所（ニ）を形成する。従つ
て、 （イ）凹所（ニ）を形成する作業に手間が掛つて施工費
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, (1) a recess (d) is formed at the location of the embedded screw reinforcing bar (b) on the wall surface of the preceding concrete wall (e). ) Is formed. Therefore, (a) the work of forming the recess (d) takes time and the construction cost becomes high.
（ロ）凹所（ニ）からひび割れ等を生じるおそれがあ
る。(B) There is a risk that cracks will form from the recess (d).
（ハ）多くの凹所（ニ）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。(C) Since many recesses (d) are formed at 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（ヘ）の一半部
の螺合長さの確認が難しい。(2) It is difficult to confirm the screwing length of one half of the coupler (f) to the embedded screw reinforcing bar (b).
（３）グラウト材（チ）を注入孔（リ）よりカプラー
（ヘ）と埋設ねじ鉄筋（ロ）および延長用ねじ鉄筋
（ト）との間隙内に注入するから、そのグラウト材
（チ）の注入用のコンプレツサ，ホース，注入器，電気
等が必要で、作業性が悪い。(3) Since the grout material (h) is injected into the gap between the coupler (f), the embedded screw reinforcing bar (b) and the extension screw reinforcing bar (g) from the injection hole (d), the grout material (h) Poor workability due to the need for injection compressor, hose, injector, electricity, etc.
（４）グラウト材（チ）の注入後のカプラー（ヘ）と埋
設ねじ鉄筋（ロ）および延長用ねじ鉄筋（ト）との間隙
からの溢出（ヌ）は、そのカプラー（ヘ）の両端部から
の溢出（ヌ）の確認が必要であるのに、埋設ねじ鉄筋
（ロ）側の確認が困難である。(4) The overflow (nu) from the gap between the coupler (f) and the embedded screw rebar (b) and the extension screw rebar (g) after the grout material (h) has been injected is at both ends of the coupler (f). Although it is necessary to check the overflow from the inside, it is difficult to check the buried screw reinforcing bar (b) side.
（５）上記の溢出グラウト材（ヌ）が埋設ねじ鉄筋
（ロ）側で多すぎた場合に、その溢出グラウト材（ヌ）
の取除きが難しい。(5) When the overflow grout material (nu) is too much on the embedded screw rebar (b) side, the overflow grout material (nu)
Is difficult to remove.
等の点に問題がある。There is a problem in such 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、先行側コ
ンクリート壁（Ａ）内に配筋する埋設ねじ鉄筋（３）の
端部にロツクナツト（２）およびカプラー（１）の一半
部を螺合してそのロツクナツト（２）をカプラー（１）
に締付け固定し、上記カプラー（１）付き埋設ねじ鉄筋
（３）のカプラー（１）の他端面を先行側コンクリート
壁（Ａ）の型枠（８）に当てて該カプラー（１）付き埋
設ねじ鉄筋（３）を配筋し、型枠（８）を組立ててコン
クリートを打設しその先行側コンクリート壁（Ａ）を構
築して型枠（８）を解体した後、包装したグラウト材
（４）をカプラー（１）の他半部内に入れ、その後、カ
プラー（１）の他半部に延長用ねじ鉄筋（５）の接続側
端部を螺入し、グラウト材（４）の包装を埋設ねじ鉄筋
（３）と延長用ねじ鉄筋（５）により挟圧して潰すと共
に、その包装内のグラウト材（４）をカプラー（１）と
埋設ねじ鉄筋（３）および延長用ねじ鉄筋（５）との間
隙内に充填してカプラー（１）から溢出（６）させ、埋
設ねじ鉄筋（３）にカプラー（１）を介して延長用ねじ
鉄筋（５）を打継ぐ。(Means for Solving the Problems) In order to solve the above problems, the present invention has a lock nut (2) at the end of an embedded screw reinforcing bar (3) arranged in the preceding concrete wall (A). And one half of the coupler (1) is screwed to connect the lock nut (2) to the coupler (1).
Embedded screw with coupler (1), and the other end surface of the coupler (1) of the reinforcing screw (3) with the coupler (1) is applied to the mold (8) of the concrete wall (A) on the preceding side to embed the screw with coupler (1). After arranging the reinforcing bars (3), assembling the formwork (8) and placing concrete to construct the preceding concrete wall (A) and dismantling the formwork (8), the packed grout material (4) ) Is placed in the other half of the coupler (1), and then the connection side end of the extension screw rebar (5) is screwed into the other half of the coupler (1) to embed the grout material (4) packaging. The grout material (4) in the package is crushed by being pinched by the screw reinforcing bar (3) and the extending screw reinforcing bar (5), and the coupler (1), the embedded screw reinforcing bar (3) and the extending screw reinforcing bar (5). Filled in the gap of the coupler and overflowed (6) from the coupler (1) to the embedded screw rebar (3). Puller (1) take over hitting rebar (5) extending screw through.
（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、（Ａ）は先行側コンクリート壁
を示し、（１）はカプラー、（２）はロツクナツト、
（３）は先行側コンクリート壁（Ａ）内に配筋する埋設
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、（６）はグラウト材
（４）の溢出したグラウト材、（７）は樹脂、モルタ
ル、接着剤等で行うロツクナツト（２）と埋設ねじ鉄筋
（３）の間隙のシール、（８）は型枠である。(Example) The structure of one embodiment of the present invention shown in FIGS. 1 to 3 will be described. (A) shows a preceding concrete wall, (1) shows a coupler, (2) shows a rock nut,
(3) is an embedded screw rebar to be arranged in the preceding concrete wall (A), (4) is a grout material packaged with resin or mortar, (5) is an extension screw rebar, and (6) is a grout material ( 4) Overflow grout material, (7) is a seal of the gap between the lock nut (2) and the embedded screw rebar (3) made of resin, mortar, adhesive or the like, and (8) is a form.
次にその施工法を説明する。Next, the construction method will be described.
第１図に示すように埋設ねじ鉄筋（３）の端部にロツク
ナツト（２）を螺合してカプラー（１）の一半部を螺合
し、そのロツクナツト（２）を所定のトルクでカプラー
（１）に締付けた後、ロツクナツト（２）と埋設ねじ鉄
筋（３）の間隙をシール（７）する。As shown in FIG. 1, a lock nut (2) is screwed into the end of the embedded screw reinforcing bar (3) to screw one half of the coupler (1) into the coupler (2) with a predetermined torque. After tightening to 1), the gap between the lock nut (2) and the embedded screw rebar (3) is sealed (7).
次いで、カプラー（１）付き埋設ねじ鉄筋（３）の他端
面を先行側コンクリート壁（Ａ）の型枠（８）に当てて
該カプラー（１）付き埋設ねじ鉄筋（３）を配筋し、型
枠（８）を組立ててコンクリートを打設し、その後、型
枠（８）を解体して第２図に示すように先行側コンクリ
ート壁（Ａ）を構築する。Then, the other end surface of the embedded screw rebar (3) with a coupler (1) is applied to the form (8) of the preceding concrete wall (A) to arrange the embedded screw rebar (3) with a coupler (1), The formwork (8) is assembled and concrete is poured, and then the formwork (8) is dismantled to construct the preceding concrete wall (A) as shown in FIG.
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）の他半部内にその他端開口から入
れる。Next, the packaged grout material (4) is put into the other half of the coupler (1) through the other end opening as shown by a chain line in FIG.
その後、第３図に示すようにカプラー（１）の他半部に
延長用ねじ鉄筋（５）の接続側端部を螺入し、グラウト
材（４）の包装を埋設ねじ鉄筋（３）と延長用ねじ鉄筋
（５）により挟圧して潰すと共に、その包装内のグラウ
ト材（４）をカプラー（１）と埋設ねじ鉄筋（３）およ
び延長用ねじ鉄筋（５）との間隙内に充填してカプラー
（１）から溢出（６）させ、埋設ねじ鉄筋（３）にカプ
ラー（１）を介して延長用ねじ鉄筋（５）を打継ぐ。After that, as shown in FIG. 3, the connecting side end of the extension screw reinforcing bar (5) is screwed into the other half of the coupler (1), and the packaging of the grout material (4) is embedded with the embedded screw reinforcing bar (3). The extension screw rebar (5) is pressed and crushed, and the grout material (4) in the package is filled in the gap between the coupler (1) and the embedded screw rebar (3) and the extension screw rebar (5). The coupler (1) to overflow (6), and the extension screw reinforcing bar (5) is spliced to the embedded screw reinforcing bar (3) through 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。(Effect of the Invention) The reinforcing bar splicing method for a reinforced concrete structure of the present invention has the following remarkable effects.
（１）埋設ねじ鉄筋に一半部を螺着したカプラーの他半
部内に包装したグラウト材を入れ、該カプラーの他半部
に延長用ねじ鉄筋の接続側端部を螺入し、そのグラウト
材の包装を埋設ねじ鉄筋と延長用ねじ鉄筋により挟圧し
て潰すと共に、包装内のグラウト材をカプラーと埋設ね
じ鉄筋および延長用ねじ鉄筋との間隙内に充填する。従
つて、 （イ）カプラーにグラウト材を注入するためのコンプレ
ツサ，注入器等の機械が不要で、作業上便利である。(1) Put the grouting material packaged in the other half of the coupler in which one half is screwed into the embedded screw rebar, and screw the connecting side end of the extension screw rebar into the other half of the coupler, and then the grout The package is squeezed by being squeezed by the embedded screw reinforcing bar and the extending screw reinforcing bar, and the grout material in the package is filled in the gap between the coupler and the embedded screw reinforcing bar and the extending screw reinforcing bar. Therefore, (a) a machine such as a compressor or an injector for injecting grout material into the coupler is not required, which is convenient for work.
（ロ）包装したグラウト材を取扱うだけであるから、グ
ラウト材の収納，運搬，取扱い等に便利である。(B) It is convenient to store, transport, and handle the grout material because it only handles the packaged grout material.
（ハ）包装したグラウト材をカプラーの他半部内に入れ
るだけであるから、取扱い易く、労力と時間を節減して
作業性が良い。(C) Since the packaged grout material is simply put in the other half of the coupler, it is easy to handle, saves labor and time, and has good workability.
（ニ）カプラーの他半部に螺入する延長用ねじ鉄筋の押
圧力により、グラウト材の包装を埋設ねじ鉄筋に押しつ
けて潰すと共に、そのグラウト材をカプラーと埋設ねじ
鉄筋および延長用ねじ鉄筋との間隙内に充填するから、
グラウト材の包装の潰しおよび間隙内へのグラウト材の
充填は円滑適確である。(D) By pressing the extension screw rebar screwed into the other half of the coupler, the grout material package is pressed against the embedded screw rebar and crushed, and the grout material is combined with the coupler and the embedded screw rebar and extension screw rebar. Because it fills in the gap of
The crushing of the grout material package and the filling of the grout material into the gap are smooth and accurate.
（２）先行側コンクリート壁に凹所等が無いから、その
凹所等の処理が不要である。従つて、 （イ）施工性が良い。(2) Since there is no recess in the preceding concrete wall, it is not necessary to treat the recess. Therefore, (a) good workability.
（ロ）施工費が安い。(B) The construction cost is low.
（３）先行側コンクリート壁に凹所等が無いから、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。(3) Since there is no recess or the like in the preceding concrete wall, there is no risk of causing cracks or the like in the preceding concrete wall.
（４）グラウト材を延長用ねじ鉄筋側のカプラー端部よ
り溢出させるから、グラウト材がカプラーとねじ鉄筋と
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。(4) Since the grout material overflows from the end of the coupler on the extension screw rebar side, it can be confirmed that the grout material is filled in the gap between the coupler and the screw rebar, and the coupler and the screw rebar are always connected properly. You can do it.
（５）簡単に構成し、容易安価に施工できて経済的であ
る。(5) It is economical because of its simple structure, easy and inexpensive construction.
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
鉄筋を配筋して構築した先行側コンクリート壁の要部の
正断面図、第３図はその埋設ねじ鉄筋のカプラーに延長
用ね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
型枠を組立て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延長用ねじ鉄筋をカプラーによつて
打継いだ状態をそれぞれ示す。 （Ａ）……先行側コンクリート壁、（１）……カプラ
ー、（２）……ロツクナツト、（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）……型枠、FIG. 1 is a front view of a main portion of an embedded screw reinforcing bar with a coupler used in a reinforcing bar splicing method for a reinforced concrete structure according to an embodiment of the present invention, and FIG. 2 is the same as that of FIG. Fig. 3 is a front cross-sectional view of the main part of the preceding concrete wall, Fig. 3 is a front cross-sectional view of a state in which an extension screw reinforcing bar is spliced to the buried screw reinforcing bar coupler, and Figs. 4 and 5 are conventional reinforced concrete structures. Fig. 4 is a cross-sectional view of the construction of the reinforcing bar splicing method for a product. Fig. 4 shows the state in which the embedded screw rebars are laid out, the formwork is assembled, and concrete is placed. Fig. 5 shows the embedded screw rebars for extension screw rebar. Shown are the states in which each of them has been succeeded by a coupler. (A) …… Concrete side concrete wall, (1) …… Coupler, (2) …… Rock nut, (3) …… Built-in screw rebar, (4) …… Packed grout material, (5) …… For extension Screw rebar, (6) …… Overflowing grout material, (7) ……
Seal, (8) ... Formwork,
フロントページの続き (72)発明者 大垣 正之 埼玉県加須市久下１―39―７ (56)参考文献 特開 昭55−165375（ＪＰ，Ａ) 特開 昭57−209350（ＪＰ，Ａ) 実願昭52−2777号（実開昭53−97833号) の願書に添付した明細書及び図面の内容を 撮影したマイクロフィルム（ＪＰ，Ｕ)Front Page Continuation (72) Inventor Masayuki Ogaki 1-39-7 Kushita, Kazo-shi, Saitama (56) References JP-A-55-165375 (JP, A) JP-A-57-209350 (JP, A) Actual A microfilm (JP, U) of the specifications and drawings attached to the application of Japanese Patent Application No. 52-2777 (Japanese Utility Model Application No. 53-97833)
Claims (1)
じ鉄筋の端部にロツクナツトおよびカプラーの一半部を
螺合してそのロツクナツトをカプラーに締付け固定し、
上記カプラー付き埋設ねじ鉄筋のカプラーの他端面を先
行側コンクリート壁の型枠に当てて該カプラー付き埋設
ねじ鉄筋を配筋し、上記型枠を組立ててコンクリートを
打設し上記先行側コンクリート壁を構築して上記型枠を
解体した後、包装したグラウト材を上記カプラーの他半
部内に入れ、その後、上記カプラーの他半部に延長用ね
じ鉄筋の接続側端部を螺入し、上記グラウト材の包装を
上記埋設ねじ鉄筋と上記延長用ねじ鉄筋により挟圧して
潰すと共に、その包装内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上記延長用ねじ鉄筋との間隙内
に充填して上記カプラーから溢出させ、上記埋設ねじ鉄
筋に上記カプラーを介して上記延長用ねじ鉄筋を打継ぐ
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。1. A lock nut and a half part of the coupler are screwed onto the end of an embedded screw rebar arranged in the preceding concrete wall, and the lock nut is tightened and fixed to the coupler.
The other end surface of the coupler of the embedded screw reinforcing bar with the coupler is applied to the formwork of the preceding concrete wall by arranging the embedded screw reinforcing bar with the coupler, the formwork is assembled, and concrete is cast to form the preceding concrete wall. After building and disassembling the formwork, put the packaged grout material in the other half of the coupler, then screw the connecting side end of the extension screw rebar into the other half of the coupler, the grout The package of the material is crushed by being squeezed by being clamped by the embedded screw rebar and the extension screw rebar, and the grout material in the package is filled in a gap between the coupler and the embedded screw rebar and the extension screw rebar A reinforcing bar splicing method for a reinforced concrete structure, which comprises overflowing from a coupler and splicing the extension screw reinforcing bar to the embedded screw reinforcing bar through 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 JPH0455571A (en) | 1992-02-24 |
| JPH0757990B2 true 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 (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 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07269025A (en) * | 1994-03-31 | 1995-10-17 | Tokyo Tekko Co Ltd | Placing joint method |
| JP5448560B2 (en) * | 2009-05-08 | 2014-03-19 | ニチレキ株式会社 | Dowel bar, dowel bar unit, and dowel bar burial method |
| CN102888992A (en) * | 2011-07-20 | 2013-01-23 | 黄传茂 | Gridwork girder construction method |
| CN104234432B (en) * | 2012-09-06 | 2016-09-14 | 山东聊建集团有限公司 | Shed deckhead construction method |
| 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 |
| JP6890987B2 (en) * | 2016-09-29 | 2021-06-18 | Ｊｆｅ条鋼株式会社 | Filler injection method and screw rebar joint structure for screw rebar joints |
Family Cites Families (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
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455571A (en) | 1992-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5258099B2 (en) | Prestressed concrete pile, method for manufacturing the same, and method for connecting pile head and footing | |
| JPH0757990B2 (en) | Reinforcement splicing method for reinforced concrete structures | |
| JP2002021221A (en) | Joint structure and panel | |
| KR100442704B1 (en) | Method and structure for reinforcement of ferroconcrete construction by using of exterior tension member | |
| KR100591262B1 (en) | Methods for connection of spliced prestressed concrete girder segments | |
| JP2800118B2 (en) | Orthogonal joining method of precast concrete wall members | |
| JP3276800B2 (en) | Joint and connection structure of lattice reinforcement | |
| KR19980063010U (en) | Reinforcing Bar Sleeve | |
| JP2835932B2 (en) | Rebar connection device | |
| JP2002235381A (en) | Precast concrete members and method for connecting the same | |
| JP2945282B2 (en) | Precast concrete slab joining method | |
| JP4344466B2 (en) | Tightening structure and method of concrete products | |
| JP2002089197A (en) | Curved slab for arched tunnel and joining structure therefor | |
| JP3118527B2 (en) | Precast concrete foundation block and construction method | |
| KR100325086B1 (en) | Grouting for reinforcing bar connection of a concrete | |
| JPS6322216Y2 (en) | ||
| JPH05171740A (en) | Screw joint for steel bar and connecting method | |
| KR200406189Y1 (en) | Strub steel reinforcing coupler | |
| JPH0649657U (en) | Formwork equipment for precast reinforced concrete column joints | |
| JPH08333828A (en) | Method for constructing concrete structure | |
| JPH07269025A (en) | Placing joint method | |
| JPH04203043A (en) | Method for jointing precast concrete member | |
| KR930005586Y1 (en) | Tying rod for forms | |
| JPH0612010B2 (en) | Construction method of housing foundation structure | |
| JPH116212A (en) | Method and device for joining structural member, structural member for junction, joint, and joined product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |