JP2001193281A - Partition for concrete placing joint - Google Patents

Partition for concrete placing joint

Info

Publication number
JP2001193281A
JP2001193281A JP2000322821A JP2000322821A JP2001193281A JP 2001193281 A JP2001193281 A JP 2001193281A JP 2000322821 A JP2000322821 A JP 2000322821A JP 2000322821 A JP2000322821 A JP 2000322821A JP 2001193281 A JP2001193281 A JP 2001193281A
Authority
JP
Japan
Prior art keywords
partition plate
concrete
plate
partition
joint
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.)
Pending
Application number
JP2000322821A
Other languages
Japanese (ja)
Inventor
Noboru Sakaguchi
昇 坂口
Fumio Akiyama
文生 秋山
Kentaro Sasaki
謙太郎 佐々木
Yoshiyuki Saji
義之 佐治
Ryoji Suzuki
良治 鈴木
Takashi Watanabe
隆 渡辺
Yukinobu Kurose
行信 黒瀬
Michihiro Masafuji
倫宏 正藤
Akira Osakabe
章 刑部
Haruo Nakazawa
春生 中澤
Yasuhiro Kuroda
泰弘 黒田
Toshiyuki Shioya
俊幸 塩屋
Moriaki Kurita
守朗 栗田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimizu Construction Co Ltd
Shimizu Corp
Original Assignee
Shimizu Construction Co Ltd
Shimizu Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shimizu Construction Co Ltd, Shimizu Corp filed Critical Shimizu Construction Co Ltd
Priority to JP2000322821A priority Critical patent/JP2001193281A/en
Publication of JP2001193281A publication Critical patent/JP2001193281A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a partition for concrete placing joint which can be easily installed, is not required to remove after concrete placement, is capable of preventing a delay in work schedule and the leakage of concrete. SOLUTION: At a joint portion between a column and a beam where different kinds of concrete is placed, a steel plate, or a combined steel plate and expanded metal, or a PC panel, or a partition constituted with a steel fiber reinforced concrete panel is arranged. For example, a partition 10 made of a steel plate is divided into an upper divided piece 11 and a lower divided piece 12; an upper end bar 2a or a lower end bar 2b is penetrated through and fitted to a comb teeth-shaped notched portions 11a, 12a formed at each end portion; overlapped other ends are connected to one united body with bolts or the like. In the case of other partitions 20, 30, they are used by almost the same method as the partition 10.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、コンクリート打ち
継ぎ用仕切板に関する。
TECHNICAL FIELD The present invention relates to a partition plate for concrete splicing.

【0002】[0002]

【従来の技術】鉄筋コンクリート造の高層建物におい
て、高強度コンクリートが柱や壁に用いられることが多
くなっている。これは特に柱に作用する高い応力に耐え
る必要があるからである。しかし、高層建物において
も、梁や床に関しては高強度のコンクリートを必要とせ
ず、むしろコストの安い低強度のコンクリートのほうが
施工性が良いので好ましい。そこで、柱には高強度コン
クリートを、梁や床には低強度コンクリートを使い分け
れば、コストの低減及び施工性の向上を図ることができ
る。そのためには、通常図7に示すように異質のコンク
リートが混じり合わないように、柱1と梁2及び床3と
の境に仕切板Aを設ける必要がある。
2. Description of the Related Art In high-rise buildings made of reinforced concrete, high-strength concrete is often used for columns and walls. This is because it is necessary to withstand particularly high stress acting on the column. However, even in a high-rise building, high-strength concrete is not required for beams and floors, and low-cost, low-strength concrete is preferable because of good workability. Therefore, if high-strength concrete is used for columns and low-strength concrete is used for beams and floors, cost can be reduced and workability can be improved. For this purpose, it is usually necessary to provide a partition plate A at the boundary between the column 1 and the beam 2 and the floor 3 so that different types of concrete do not mix as shown in FIG.

【0003】[0003]

【発明が解決しようとする課題】上記のように柱1のコ
ンクリートと梁2や床3のコンクリートを打ち分ける場
合、従来例えば図8のように鉄筋を組み立てて型枠4内
に設置した後、エアーフェンスBと称する布引ゴム製の
チューブ状体を柱と梁の境界の位置に、梁鉄筋の間にそ
れぞれ差し込んで並べ立て、これらに空気を注入して膨
らまし、互いに密着させて仕切りを形成していた。そし
て、柱のコンクリートを打設し、それが硬化した後にエ
アーフェンスBの空気を抜くと共に、梁鉄筋の間から引
き抜き、次いで梁や床のコンクリートを打設する方法を
とっていた。しかし、このような方法では、エアーフェ
ンスBの取り付けや取り外しが面倒であるばかりか、前
記柱1のコンクリートを打設した後に、梁2や床3のコ
ンクリートを打設するまで少なくとも1日は養生のため
待たなければならず、工程の遅れの原因になっていた。
又、仕切板として金網(図略)を使用することもあった
が、この場合はコンクリートを打設した後に金網を取り
外す必要はないが、梁の鉄筋の間に金網を取り付ける作
業に困難を伴い、特に梁の主筋周りの隙間を充分に埋め
ることが非常に困難であった。更に、従来の金網は目が
比較的粗く、低強度のコンクリートに対しては有効であ
ったが、最近の高流動化されたコンクリートでは網目や
主筋周りからコンクリートが漏れ出し、仕切板としての
機能が充分に果たせないという問題があった。
When the concrete of the pillar 1 and the concrete of the beam 2 and the floor 3 are separated from each other as described above, conventionally, for example, as shown in FIG. At the boundary between the pillar and the beam, a tubular body made of cloth rubber called an air fence B is inserted between the beam rebars and arranged side by side, inflated by injecting air, and brought into close contact with each other to form a partition. Was. Then, after the concrete of the column is hardened, the air of the air fence B is evacuated after the concrete is hardened, the pillar is pulled out from between the reinforcing bars, and then the concrete of the beam and the floor is cast. However, in such a method, it is not only troublesome to attach and remove the air fence B, but also after curing the concrete of the pillar 1 and curing the concrete of the beam 2 and the floor 3 for at least one day. Therefore, the process had to wait, causing a delay in the process.
In some cases, a wire mesh (not shown) was used as a partition plate. In this case, it is not necessary to remove the wire mesh after placing the concrete, but it is difficult to attach the wire mesh between the reinforcing bars of the beams. In particular, it was very difficult to sufficiently fill the gap around the main bar of the beam. Furthermore, the conventional wire mesh has a relatively coarse mesh and is effective for low-strength concrete.However, in recent highly fluidized concrete, concrete leaks from around the mesh and the main reinforcement, and functions as a partition plate. However, there was a problem that it could not be performed sufficiently.

【0004】本発明は、このような従来の仕切板の問題
を解消するためになされ、取り付けが容易であると共に
コンクリートの打設後に取り外す必要がなく、これによ
り工程の遅れが生じることなく、且つコンクリートの漏
れ出しも防止できるようにしたコンクリート打ち継ぎ用
仕切板を提供することを目的とする。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the conventional partition plate, and is easy to install and does not need to be removed after the concrete has been cast, so that there is no delay in the process, and It is an object of the present invention to provide a concrete jointing partition plate capable of preventing leakage of concrete.

【0005】[0005]

【課題を解決するための手段】上記の目的を達成するた
めの技術的手段として、本発明は、異質のコンクリート
を打設する柱と梁又は床との接合部に、異質のコンクリ
ートが混じり合わないように仕切板を設ける場合におい
て、この仕切板を鋼板、或は鋼板とエキスパンドメタル
との組み合わせ板、又はプレキャストコンクリート板、
又は鋼繊維補強コンクリート板で構成したコンクリート
打ち継ぎ用仕切板を要旨とする。又、このコンクリート
打ち継ぎ用仕切板において、前記仕切板は、梁の鉄筋を
組み立てる時にその主筋に組み付けること、前記仕切板
は、二分割されると共に各分割片の一方の端部には梁主
筋を貫通させるための略櫛歯状の切欠部がそれぞれ形成
され、この切欠部に上下の梁主筋をそれぞれ嵌め込んだ
後、他方の端部を互いに結合し又はエキスパンドメタル
を介して結合することで分割片を一体化すること、嵌合
孔とこの嵌合孔から側縁に抜ける切り目とを有するノロ
止めワッシャを薄い鋼板等で形成し、前記切り目を介し
て嵌合孔に梁主筋を嵌め込むことでノロ止めワッシャを
前記仕切板の各切欠部を覆うようにして取り付けるこ
と、前記仕切板の梁側の面に凹凸を設け、梁にせん断力
が作用した時に、仕切板と梁との間に滑りが生じること
を防止すること、仕切板と梁型枠との間にプレキャスト
コンクリート製等の目地板を設け、この目地板で仕切板
の端面が露出しないように閉塞すること、を要旨とする
ものである。
As a technical means for achieving the above-mentioned object, the present invention relates to a method for mixing foreign materials into a joint between a column and a beam or a floor for placing foreign materials. In the case where a partition plate is provided so as not to be provided, the partition plate is made of a steel plate, or a combination plate of a steel plate and expanded metal, or a precast concrete plate,
Alternatively, the gist is a concrete jointing partition plate made of a steel fiber reinforced concrete plate. Also, in this concrete jointing partition plate, the partition plate is attached to a main reinforcing bar when assembling a reinforcing bar of a beam, and the partition plate is divided into two and one end of each divided piece is a beam main reinforcing bar. Each of the upper and lower beam main reinforcements is fitted into this notch, and the other ends are connected to each other or connected via expanded metal. Integrating the split pieces, forming a non-slip stop washer having a fitting hole and a cut out from the fitting hole to the side edge from a thin steel plate or the like, and fitting the beam main reinforcement into the fitting hole through the cut. By attaching a non-slip stop washer so as to cover each notch of the partition plate, unevenness is provided on the beam side surface of the partition plate, and when a shear force is applied to the beam, a gap between the partition plate and the beam is provided. Slip on Preventing, the joint plate of precast concrete or the like is provided between the partition plate and the beam-type frame, the end face of the partition plate in the joint plate closes so as not to be exposed, it is an gist.

【0006】[0006]

【発明の実施の形態】次に、本発明に係るコンクリート
打ち継ぎ用仕切板の実施形態を添付図面に基づいて説明
する。図1は、仕切板の全体構成を示すもので、(a)
は鋼板(又はステンレス鋼板)で形成した仕切板10、
(b)は鋼板とエキスパンドメタルとを組み合わせて形
成した仕切板20、(c)はプレキャストコンクリート
(以下、PC)で形成した仕切板30である。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a partition plate for concrete splicing according to the present invention will be described with reference to the accompanying drawings. FIG. 1 shows the entire configuration of a partition plate, and FIG.
Is a partition plate 10 formed of a steel plate (or a stainless steel plate),
(B) is a partition plate 20 formed by combining a steel plate and expanded metal, and (c) is a partition plate 30 formed of precast concrete (hereinafter, PC).

【0007】前記仕切板10は、上下に分割した上部分
割片11と下部分割片12とから構成され、上部分割片
11の上端部及び下部分割片12の下端部には略櫛歯状
の切欠部11a、12aがそれぞれ形成されている。こ
れらの切欠部11a、12aは、前記梁2の上端筋2
a、下端筋2bをそれぞれ貫通できるようにしてある。
前記上部分割片11と下部分割片12とは、切欠部11
a、12aの形成されていない側の端部を重ね合わせる
と共に、その重合部10aをボルト等の止め具(図略)
で結合一体化することにより仕切板10を形成できるよ
うにしてある。
The partition plate 10 is composed of an upper divided piece 11 and a lower divided piece 12 which are divided into upper and lower parts. A substantially comb-shaped notch is formed at an upper end of the upper divided piece 11 and a lower end of the lower divided piece 12. Parts 11a and 12a are formed respectively. These notches 11a and 12a are provided at the upper end reinforcement 2 of the beam 2.
a, and the lower muscle 2b can be penetrated.
The upper divided piece 11 and the lower divided piece 12
a and 12a are not overlapped with each other, and the overlapping portion 10a is fastened with a fastener such as a bolt (not shown).
The partition plate 10 can be formed by combining and integrating the above.

【0008】前記仕切板20は、上下に分割した上部分
割片21と下部分割片22とエキスパンドメタル23と
から構成され、上部分割片21の上端部及び下部分割片
22の下端部には略櫛歯状の切欠部21a、22aがそ
れぞれ形成されている。これらの切欠部21a、22a
は、前記梁2の上端筋2a、下端筋2bをそれぞれ貫通
できるようにしてある。前記上部分割片21と下部分割
片22とは、切欠部21a、22aの形成されていない
側の端部を前記エキスパンドメタル23の端部とそれぞ
れ重ね合わせると共に、上下の重合部20a、20bを
ボルト等の止め具(図略)でそれぞれ結合一体化するこ
とにより仕切板20を形成できるようにしてある。
The partition plate 20 is composed of an upper split piece 21, a lower split piece 22, and an expanded metal 23, which are vertically divided. The upper end of the upper split piece 21 and the lower end of the lower split piece 22 have substantially combs. Tooth-shaped notches 21a and 22a are respectively formed. These notches 21a, 22a
Are designed to be able to penetrate the upper end line 2a and the lower end line 2b of the beam 2, respectively. The upper split piece 21 and the lower split piece 22 are formed such that the ends on the side where the notches 21a and 22a are not formed are overlapped with the ends of the expanded metal 23, and the upper and lower overlapping portions 20a and 20b are bolted. The partition plate 20 can be formed by combining and integrating them with a stopper (not shown).

【0009】前記仕切板30は、上下に分割した上部分
割片31と下部分割片32とから構成され、上部分割片
31の上端部及び下部分割片32の下端部には略櫛歯状
の切欠部31a、32aがそれぞれ形成されている。こ
れらの切欠部31a、32aは、前記梁2の上端筋2
a、下端筋2bをそれぞれ貫通できるようにしてある。
前記上部分割片31と下部分割片32とは、切欠部31
a、32aの形成されていない側の端部を突き合わせる
ことにより仕切板30を形成できるようにしてある。そ
の際、端部の突合せ部分30aを接着剤等で結合一体化
することが好ましい。
The partition plate 30 is composed of an upper divided piece 31 and a lower divided piece 32 which are divided into upper and lower parts. A substantially comb-shaped notch is formed at the upper end of the upper divided piece 31 and the lower end of the lower divided piece 32. Parts 31a and 32a are formed respectively. These notches 31a, 32a are provided at the upper end reinforcement 2 of the beam 2.
a, and the lower muscle 2b can be penetrated.
The upper split piece 31 and the lower split piece 32 are
The partition plate 30 can be formed by abutting the ends on the side where a and 32a are not formed. At this time, it is preferable that the butted portions 30a at the ends are joined and integrated with an adhesive or the like.

【0010】図2(a)は、鋼繊維補強コンクリート板
で形成した仕切板40であり、上下に分割した上部分割
片41と下部分割片42とから構成され、上部分割片4
1の上端部及び下部分割片42の下端部には略櫛歯状の
切欠部41a、42aがそれぞれ形成されている。これ
らの切欠部41a、42aは、前記梁2の上端筋2a、
下端筋2bをそれぞれ貫通できるようにしてある。前記
上部分割片41と下部分割片42とは、切欠部41a、
42aの形成されていない側の端部を突き合わせ、その
突合せ部分40aを接着剤等で結合一体化することによ
り仕切板40を形成できるようにしてある。
FIG. 2A shows a partition plate 40 formed of a steel fiber reinforced concrete plate. The partition plate 40 is composed of an upper split piece 41 and a lower split piece 42 which are vertically divided.
A substantially comb-shaped cutout portion 41a, 42a is formed at the upper end of the first and the lower end of the lower divided piece 42, respectively. These notches 41a, 42a are provided at the upper ends 2a of the beam 2,
The lower ends 2b can be penetrated respectively. The upper divided piece 41 and the lower divided piece 42 are notched 41a,
The partition plate 40 can be formed by abutting the ends on the side where the 42a is not formed, and joining and integrating the butted portions 40a with an adhesive or the like.

【0011】図2(b)〜(d)も鋼繊維補強コンクリ
ート板で形成した仕切板であり、(b)は分割方式では
なくて一体に形成した仕切板40Pであり、上下端部に
は切欠部41a、42aがそれぞれ形成されている。
(c)も一体形成の仕切板40Qであるが、上下端部に
は切欠部ではなくて所定の位置に複数の貫通孔43aが
それぞれ設けられ、これらの貫通孔43aに梁の上端
筋、下端筋を貫通できるようにしたものである。(d)
に示す仕切板40Rは基本的構造は前記(a)のものと
同じであり、梁側となる面又は両面に凹凸44aを設け
たものである。この凹凸44aは、前記(b)又は
(c)のものに適用することも可能である。
FIGS. 2 (b) to 2 (d) also show a partition plate formed of a steel fiber reinforced concrete plate, and FIG. 2 (b) shows a partition plate 40P formed integrally instead of a divided type. Notches 41a and 42a are respectively formed.
(C) is also an integrally formed partition plate 40Q, but a plurality of through holes 43a are provided at predetermined positions instead of the notch portions at the upper and lower ends, respectively. It is designed to penetrate muscles. (D)
The partitioning plate 40R shown in (1) has the same basic structure as that of the above (a), and is provided with irregularities 44a on the beam side surface or both surfaces. The unevenness 44a can be applied to the above (b) or (c).

【0012】このような鋼繊維補強コンクリート板にお
いては、鋼繊維が混入されるため曲げ強度やひび割れ抵
抗性を高めることができ、前記プレキャストコンクリー
ト板製の仕切板30に比して板厚を薄くすることが可能
となり、軽量でハンドリング性が極めて良好となる。ち
なみに、鋼繊維を用いないコンクリート材料の場合、梁
せい1mの梁端に用いる仕切板は35〜40mm程度の
板厚が必要となるが、鋼繊維補強コンクリート材では、
鋼繊維の混入率(容積)が1%で約2倍、3%で約4倍
の曲げ強度があるため、板厚を10〜15mm程度まで
薄くできる。前記一体形式の鋼繊維コンクリート製仕切
板40P、40Qは、薄く軽量でハンドリング性の良い
ことから達成できたものである。
In such a steel fiber reinforced concrete plate, since the steel fiber is mixed, the bending strength and the crack resistance can be increased, and the plate thickness is smaller than that of the partition plate 30 made of the precast concrete plate. It becomes light and the handling property becomes very good. By the way, in the case of a concrete material that does not use steel fiber, a partition plate used for a beam end of 1 m of the beam requires a plate thickness of about 35 to 40 mm.
Since the mixing ratio (volume) of steel fiber is about 2 times at 1% and about 4 times at 3%, the sheet thickness can be reduced to about 10 to 15 mm. The integral type steel fiber concrete partition plates 40P and 40Q can be achieved because they are thin and lightweight and have good handling properties.

【0013】鋼繊維の混入率は、製作上適当な厚さを考
慮しながら適宜設定することが好ましい。仕切板の大き
さ、厚さに応じて最適な混入率を選定でき、コストの加
減が容易となる。又、鋼繊維による補強がされているた
め、これ以外に鉄筋等で補強する必要がない。従って、
製作工数の削減も可能となる。
It is preferable that the mixing ratio of the steel fiber is appropriately set in consideration of an appropriate thickness for manufacturing. The optimal mixing ratio can be selected according to the size and thickness of the partition plate, and the cost can be easily reduced. In addition, since it is reinforced with steel fibers, there is no need to reinforce with a reinforcing bar or the like. Therefore,
The number of manufacturing steps can be reduced.

【0014】図3は、薄い鋼板等で形成されたノロ止め
ワッシャ50を示すもので、前記梁2の上端筋2a又は
下端筋2bを嵌合するための嵌合孔50aと、この嵌合
孔50aから一方の側縁に抜ける切り目50bとが形成
されている。嵌合孔50aは、上端筋2a又は下端筋2
bの径よりやや大きめに形成すると好ましい。このノロ
止めワッシャ50は、少し捻るようにして切り目50b
を開き、この切り目50bに沿って梁2の上端筋2a又
は下端筋2bを滑り込ませると共に、前記嵌合孔50a
に嵌合し、且つ前記仕切板10等に密着固定すること
で、前記各切欠部11a、12a等をそれぞれ閉塞し、
これらの切欠部と上端筋2a又は下端筋2bとの隙間を
塞げるようにしてある。
FIG. 3 shows a slash stopper washer 50 formed of a thin steel plate or the like. The fitting hole 50a for fitting the upper reinforcing bar 2a or the lower reinforcing bar 2b of the beam 2, and the fitting hole 50a are shown. A cut 50b is formed from 50a to one side edge. The fitting hole 50a is located at the upper end line 2a or the lower end line 2a.
It is preferable that the diameter is slightly larger than the diameter of b. The slash-stop washer 50 is slightly twisted to make a cut 50b.
And the upper end 2a or the lower end 2b of the beam 2 is slid along the cut 50b and the fitting hole 50a is opened.
, And tightly fixed to the partition plate 10 or the like, thereby closing the respective notches 11a, 12a, etc.,
The gap between these cutouts and the upper end muscle 2a or the lower end muscle 2b is closed.

【0015】前記仕切板10を使用するには、梁2の鉄
筋を配筋する際に、先ず前記型枠4内に上部分割片11
及び下部分割片12を挿入し、上部分割片11は切欠部
11aに上端筋2aを嵌め込み、下部分割片12は切欠
部12aに下端筋2bを嵌め込み、ほぼ中央部で重なり
合った重合部10aをボルト等の止め具で結合一体化す
ることで仕切板10を形成する。
In order to use the partition plate 10, when arranging the reinforcing bars of the beam 2, first, the upper divided pieces 11
Then, the lower split piece 12 is inserted, the upper split piece 11 is fitted with the upper streak 2a in the notch 11a, the lower split piece 12 is fitted with the lower streak 2b in the notch 12a, and the overlapping portion 10a which is almost overlapped at the center is bolted. The partition plate 10 is formed by combining and integrating with a stopper such as.

【0016】次いで、前記ノロ止めワッシャ50で仕切
板10における切欠部11a、12aを閉塞する。ノロ
止めワッシャ50の取り付けは、前記のように切り目5
0bを開いて梁2の上端筋2a又は下端筋2bを嵌合孔
50aに嵌め込むことで行い、嵌合後に上部分割片11
又は下部分割片12に密着させる。この際、各ノロ止め
ワッシャ50を接着剤等で固定することが望ましい。
Next, the notches 11a and 12a in the partition plate 10 are closed by the slash-stop washer 50. The attachment of the scalpel washer 50 is performed as described above.
0b, and the upper end 2a or the lower end 2b of the beam 2 is fitted into the fitting hole 50a.
Alternatively, it is brought into close contact with the lower split piece 12. At this time, it is desirable to fix each slash-stop washer 50 with an adhesive or the like.

【0017】この仕切板10は、柱部と梁部との接合部
に位置させてセットし、セット後に柱部には高強度コン
クリートを打設して柱1を形成すると共に、梁部には低
強度コンクリートを打設して梁2を形成する。従って、
仕切板10は柱1と梁2との接合部にそのまま埋設され
ることになり、コンクリート打設後に取り外す必要がな
い。
The partition plate 10 is set at the joint between the column and the beam, and after setting, high-strength concrete is cast on the column to form the column 1 and the beam is formed on the beam. The beam 2 is formed by casting low-strength concrete. Therefore,
The partition plate 10 is buried as it is at the joint between the column 1 and the beam 2, and there is no need to remove it after the concrete is cast.

【0018】コンクリート硬化後に前記型枠4を外す
と、形成された柱1と梁2との接合部に仕切板10の側
端面や下端面が外部に露出し、後日その露出部分に錆が
発生する恐れがある。これを防止するために、例えば図
4のようなPC製の目地板60を使用する。
When the formwork 4 is removed after the concrete has hardened, the side end face and the lower end face of the partition plate 10 are exposed to the outside at the joint between the formed column 1 and the beam 2, and rust is generated on the exposed portion at a later date. Might be. In order to prevent this, for example, a joint plate 60 made of PC as shown in FIG. 4 is used.

【0019】目地板60は、内側面に凹部60aを形成
すると共にその凹部の底面に多数の円形凹み60bを縦
横に列設することにより凹凸面を形成してある。この目
地板60は、前記仕切板10をセットする際に、凹部6
0aを内側に向けて型枠4の内側面に沿って配置し、そ
の凹部60aに仕切板10の側端面を当接させる。図示
は省略したが、型枠4の底面部にも目地板60を配置す
れば、その凹部60aに仕切板10の下端面を当接させ
ることができる。
The joint plate 60 has a concave and convex surface formed by forming a concave portion 60a on the inner side surface and arranging a large number of circular concave portions 60b on the bottom surface of the concave portion in rows and columns. When the partition plate 10 is set, the joint plate 60 is provided with the concave portion 6.
0a is directed inward along the inner surface of the formwork 4, and the side end surface of the partition plate 10 is brought into contact with the concave portion 60a. Although not shown, if the joint plate 60 is also arranged on the bottom surface of the form 4, the lower end surface of the partition plate 10 can contact the concave portion 60 a.

【0020】このようにして、目地板60を予め型枠4
内に組み込んでおけば、コンクリート打設時に仕切板1
0と共に目地板60が埋設されることとなり、離型後に
仕切板10の両側面や下面が外部に露出することはな
く、前記のような錆の発生は未然に防止することができ
る。目地板60の凹部60aを凹凸面に形成したのは、
打設コンクリートとの結合力を高め、梁2にせん断力が
作用した時に滑りが生じるのを防止するためである。
尚、仕切板10の表面も凹凸面に形成すれば滑り防止と
なって好ましい。
In this manner, the joint plate 60 is previously
If it is installed inside, the partition plate 1 can be used when placing concrete.
The joint plate 60 is buried together with 0, so that both side surfaces and the lower surface of the partition plate 10 are not exposed to the outside after the mold release, and the generation of rust as described above can be prevented beforehand. The reason why the recess 60a of the joint plate 60 is formed on the uneven surface is as follows.
This is to increase the bonding force with the cast concrete and prevent slippage from occurring when a shear force acts on the beam 2.
In addition, it is preferable that the surface of the partition plate 10 is also formed with an uneven surface to prevent slippage.

【0021】前記仕切板20、仕切板30及び仕切板4
0等の場合も、仕切板10とほぼ同様の方法で使用でき
るので詳しい説明は省略する。但し、仕切板20におけ
るエキスパンドメタル23は、打設コンクリートが漏れ
出さないように小孔の大きさを設定する必要がある。仕
切板30の場合は、露出端面の錆の心配はないため前記
目地板60は不要となる。又、仕切板40等の場合は、
露出端面の錆の心配は殆どないが目地板60を使用して
も良い。更に、仕切板40Qの場合は、前記ノロ止めワ
ッシャ50を使用しなくても良い。
The partition plate 20, the partition plate 30, and the partition plate 4
In the case of 0 or the like, detailed description is omitted because it can be used in substantially the same manner as the partition plate 10. However, it is necessary to set the size of the small hole of the expanded metal 23 in the partition plate 20 so that the poured concrete does not leak. In the case of the partition plate 30, there is no need to worry about rust on the exposed end surface, so that the joint plate 60 is unnecessary. Also, in the case of the partition plate 40 or the like,
Although there is almost no fear of rust on the exposed end face, a joint plate 60 may be used. Further, in the case of the partition plate 40Q, it is not necessary to use the swash stop washer 50.

【0022】図5は、PC製仕切板30を用いた施工実
験例を示すので、この場合柱1に打設した高流動コンク
リートが梁2側に殆ど漏れ出すことはなく、高強度コン
クリートを堰き止める効果に優れていることが確認され
た。この場合、PC製仕切板30の厚さt=35mm、
柱1とPC製仕切板30との間隔は右側でPR=65m
m、左側でPL=265mm、柱1の一辺の長さL=1
000mm、梁2の幅D=39mm及び高さH=600
mmであり、柱1の打設コンクリートはFc60、梁2
の打設コンクリートはFc42である。
FIG. 5 shows an example of a construction experiment using a PC partition plate 30. In this case, the high-fluidity concrete poured into the column 1 hardly leaks to the beam 2 side, and the high-strength concrete is dammed. It was confirmed that the effect of stopping was excellent. In this case, the thickness t of the PC partition plate 30 is 35 mm,
The distance between the pillar 1 and the PC partition plate 30 is PR = 65m on the right.
m, PL = 265 mm on the left side, length L of one side of pillar 1 = 1
000 mm, width D of beam 2 = 39 mm and height H = 600
mm, the cast concrete of column 1 is Fc60, beam 2
Is Fc42.

【0023】図6は、柱1と梁2の架構実験例を示すも
ので、PC製仕切板30を梁2に埋め込んだ状態でも構
造性能は全く損なわれないことが実証された。この場
合、PC製仕切板30の厚さt=35mm、柱1とPC
製仕切板30との間隔P=75mm、柱1の一辺の長さ
L=450mm、梁2の幅D=39mm及び高さH=6
00mmであり、柱1の打設コンクリートはFc60、
梁2の打設コンクリートはFc42である。
FIG. 6 shows an example of a frame test of the columns 1 and the beams 2. It has been proved that the structural performance is not impaired at all even when the PC partition plate 30 is embedded in the beams 2. In this case, the thickness t of the PC partition plate 30 is 35 mm,
The distance P from the partition plate 30 is 75 mm, the length L of one side of the column 1 is 450 mm, the width D of the beam 2 is 39 mm, and the height H is 6
It is 00mm, and the cast concrete of pillar 1 is Fc60,
The cast concrete of the beam 2 is Fc42.

【0024】[0024]

【発明の効果】以上説明したように、本発明によれば、
柱には高強度コンクリートを、梁や床には低強度コンク
リートを打設する場合において、柱と梁との接合部に鋼
板或は鋼板とエキスパンドメタルとの組み合わせ板、又
はPC板、又は鋼繊維補強コンクリート板で構成した仕
切板を配置し、これらの仕切板は分割することで梁鉄筋
に組み込み易くし、梁鉄筋に組み込んだ後にボルト等で
結合一体化することができ、仕切板の取り付けが容易に
なると共にコンクリートの打設後に取り除く必要がなく
なり、このため工程の遅れを防止し、且つコンクリート
の漏れ出しも防止できる等の優れた効果を奏する。又、
ノロ止めワッシャを用いることで梁の鉄筋周りの隙間を
閉塞することができ、仕切板の表面に凹凸を付けること
で仕切板とコンクリートとの間に滑りが生じるのを防ぐ
ことができ、鋼板と梁の型枠との間にPC製目地板を配
置することで鋼板の端面が外部に露出しないようにし、
錆の発生を未然に防止できる等の効果も奏する。更に、
鋼繊維補強コンクリート製の仕切板によれば、鋼繊維を
用いないコンクリート製に比して板厚を薄くでき、軽量
化及びハンドリング性の向上が図れ、且つ製作工数の削
減とコストの加減が可能となる。
As described above, according to the present invention,
When casting high-strength concrete on pillars and low-strength concrete on beams and floors, use steel plates or a combination of steel plates and expanded metal, PC plates, or steel fibers at the joints between columns and beams. A partition plate composed of reinforced concrete plates is placed, and these partitions are split to make it easier to incorporate into the beam reinforcement, and after being assembled into the beam reinforcement, they can be combined and integrated with bolts, etc. This makes it easier and eliminates the need to remove the concrete after casting, thereby providing excellent effects such as preventing delays in the process and preventing leakage of concrete. or,
By using a slash stop washer, it is possible to close the gap around the reinforcing bar of the beam, and by providing irregularities on the surface of the partition plate, it is possible to prevent the occurrence of slip between the partition plate and concrete, By arranging a PC joint plate between the beam formwork and the end face of the steel plate so as not to be exposed to the outside,
It also has the effect of preventing rust from occurring. Furthermore,
According to the steel fiber reinforced concrete partition plate, the plate thickness can be made thinner than concrete made without steel fiber, the weight can be reduced and the handleability can be improved, and the number of manufacturing steps and cost can be reduced. Becomes

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る仕切板の実施形態を示すもので、
(a)は鋼板製のもの、(b)は鋼板とエキスパンドメ
タルとを組み合わせたもの、(c)はPC製のもの、の
それぞれ正面図
FIG. 1 shows an embodiment of a partition plate according to the present invention,
(A) is a front view of a steel plate, (b) is a combination of a steel plate and an expanded metal, and (c) is a front view of a PC.

【図2】本発明に係る他の実施形態を示すもので、
(a)は鋼繊維補強コンクリート製のもの、(b)及び
(c)はその一体形式のもの、(d)は表面に凹凸を設
けたもの、のそれぞれ斜視図
FIG. 2 shows another embodiment according to the present invention.
(A) is a perspective view of steel fiber reinforced concrete, (b) and (c) are integral types thereof, and (d) is a perspective view of a surface having irregularities.

【図3】ノロ止めワッシャを示す正面図FIG. 3 is a front view showing a non-slip washer.

【図4】PC製目地板の使用状態を示す説明図FIG. 4 is an explanatory view showing a use state of a PC joint plate.

【図5】PC製仕切板を用いた施工実験例を示す説明図FIG. 5 is an explanatory view showing an example of a construction experiment using a PC partition plate.

【図6】PC製仕切板を用いた柱と梁の架構実験例を示
す説明図
FIG. 6 is an explanatory view showing an example of a frame and beam test using a PC partition plate.

【図7】従来例を示す概略断面図FIG. 7 is a schematic sectional view showing a conventional example.

【図8】エアーフェンスを用いた従来例を示す外観図FIG. 8 is an external view showing a conventional example using an air fence.

【符号の説明】[Explanation of symbols]

1…柱 2…梁 3…床 4…型枠 10…鋼板製の仕切板 11…上部分割片 12…下部分割片 20…鋼板とエキスパンドメタルとを組み合わせた仕切
板 21…上部分割片 22…下部分割片 23…エキスパンドメタル 30…PC製の仕切板 31…上部分割片 32…下部分割片 40、40P、40Q、40R…鋼繊維補強コンクリー
ト製の仕切板 50…ノロ止めワッシャ 60…目地板
DESCRIPTION OF SYMBOLS 1 ... Column 2 ... Beam 3 ... Floor 4 ... Formwork 10 ... Partition plate made of steel plate 11 ... Upper division piece 12 ... Lower division piece 20 ... Partition plate combining steel plate and expanded metal 21 ... Upper division piece 22 ... Lower part Divided piece 23 ... Expanded metal 30 ... Partition plate made of PC 31 ... Upper divided piece 32 ... Lower divided piece 40, 40P, 40Q, 40R ... Partition plate made of steel fiber reinforced concrete 50 ... Non-stop washer 60 ... Joint plate

───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐々木 謙太郎 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 佐治 義之 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 鈴木 良治 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 渡辺 隆 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 黒瀬 行信 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 正藤 倫宏 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 刑部 章 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 中澤 春生 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 黒田 泰弘 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 塩屋 俊幸 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)発明者 栗田 守朗 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kentaro Sasaki 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Yoshiyuki Saji 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Ryoji Suzuki 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Takashi Watanabe 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation ( 72) Inventor Yukinobu Kurose 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Norihiro Masato 2-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Akira Kobe Shimizu Construction Co., Ltd. 1-2-3 Shibaura, Minato-ku, Tokyo (72) Inventor Haruo Nakazawa 1-3-2 Shibaura Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Person Yasuhiro Kuroda 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Toshiyuki Shioya 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Morio Kurita Tokyo 1-3-2 Shibaura, Minato-ku, Shimizu Corporation

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】異質のコンクリートを打設する柱と梁又は
床との接合部に、異質のコンクリートが混じり合わない
ように仕切板を設ける場合において、この仕切板を鋼
板、或は鋼板とエキスパンドメタルとの組み合わせ板、
又はプレキャストコンクリート板、又は鋼繊維補強コン
クリート板で構成したことを特徴とするコンクリート打
ち継ぎ用仕切板。
When a partition plate is provided at a joint between a pillar and a beam or a floor on which a different type of concrete is cast so that the different type of concrete is not mixed, the partition plate is made of a steel plate or a steel plate and an expanded plate. Combination board with metal,
A partition plate for concrete jointing, which is made of a precast concrete plate or a steel fiber reinforced concrete plate.
【請求項2】前記仕切板は、梁の鉄筋を組み立てる時に
その主筋に組み付ける請求項1記載のコンクリート打ち
継ぎ用仕切板。
2. The partition plate for concrete splicing according to claim 1, wherein said partition plate is attached to a main reinforcing bar when assembling a reinforcing bar of the beam.
【請求項3】前記仕切板は、二分割されると共に各分割
片の一方の端部には梁主筋を貫通させるための略櫛歯状
の切欠部がそれぞれ形成され、この切欠部に上下の梁主
筋をそれぞれ嵌め込んだ後、他方の端部を互いに結合し
又はエキスパンドメタルを介して結合することで分割片
を一体化する請求項1又は2記載のコンクリート打ち継
ぎ用仕切板。
3. The partition plate is divided into two parts, and at one end of each of the divided pieces, a substantially comb-shaped notch for penetrating a main beam is formed. The partition plate for concrete splicing according to claim 1 or 2, wherein after the main beams are fitted, the other ends are joined to each other or joined via expanded metal to integrate the divided pieces.
【請求項4】嵌合孔とこの嵌合孔から側縁に抜ける切り
目とを有するノロ止めワッシャを薄い鋼板等で形成し、
前記切り目を介して嵌合孔に梁主筋を嵌め込むことでノ
ロ止めワッシャを前記仕切板の各切欠部を覆うようにし
て取り付ける請求項3記載のコンクリート打ち継ぎ用仕
切板。
4. A non-slip stopper washer having a fitting hole and a cut out from the fitting hole to a side edge is formed of a thin steel plate or the like.
The partition plate for concrete splicing according to claim 3, wherein a main bar of the beam is fitted into the fitting hole through the notch to attach a swash stop washer so as to cover each notch of the partition plate. 5.
【請求項5】前記仕切板の梁側の面に凹凸を設け、梁に
せん断力が作用した時に、仕切板と梁との間に滑りが生
じることを防止する請求項1,2,3又は4記載のコン
クリート打ち継ぎ用仕切板。
5. The partition plate is provided with irregularities on the beam side to prevent slippage between the partition plate and the beam when a shear force acts on the beam. 4. The partition plate for concrete splicing according to 4.
【請求項6】仕切板と梁型枠との間にプレキャストコン
クリート製等の目地板を設け、この目地板で仕切板の端
面が露出しないように閉塞する請求項1,2,3,4又
は5記載のコンクリート打ち継ぎ用仕切板。
6. A joint plate made of precast concrete or the like is provided between the partition plate and the beam formwork, and the joint plate is closed so that the end face of the partition plate is not exposed. 5. The partition plate for concrete splicing according to 5.
JP2000322821A 1999-11-04 2000-10-23 Partition for concrete placing joint Pending JP2001193281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000322821A JP2001193281A (en) 1999-11-04 2000-10-23 Partition for concrete placing joint

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11-313616 1999-11-04
JP31361699 1999-11-04
JP2000322821A JP2001193281A (en) 1999-11-04 2000-10-23 Partition for concrete placing joint

Publications (1)

Publication Number Publication Date
JP2001193281A true JP2001193281A (en) 2001-07-17

Family

ID=26567641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000322821A Pending JP2001193281A (en) 1999-11-04 2000-10-23 Partition for concrete placing joint

Country Status (1)

Country Link
JP (1) JP2001193281A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004092186A (en) * 2002-08-30 2004-03-25 Aoi Techno Service Kk New joint plate
JP2008038515A (en) * 2006-08-08 2008-02-21 Nihon Samicon Co Ltd Board for form
JP2009114625A (en) * 2007-11-01 2009-05-28 Nihon Samicon Co Ltd Embedded board for placing joint
JP2009191568A (en) * 2008-02-18 2009-08-27 Taisei Corp Method of manufacturing column-beam joint member, method of manufacturing concrete member, and column-beam joint member
JP2010094914A (en) * 2008-10-17 2010-04-30 Fujita Corp Formwork for precast concrete member integrating beam and column-beam joint section and production process of precast concrete member integrating beam and column-beam joint section using the formwork
KR101453360B1 (en) * 2012-07-12 2014-10-23 이익선 A mold finish of Concrete
JP2015158073A (en) * 2014-02-24 2015-09-03 株式会社長谷工コーポレーション Partition plate for concrete jointing
JP5893792B1 (en) * 2015-08-24 2016-03-23 株式会社ダイフジ Non-stop structure for construction of concrete and construction method
JP2017057626A (en) * 2015-09-16 2017-03-23 宇部興産株式会社 Earthquake-resistant structure and design method thereof
JP2018003484A (en) * 2016-07-05 2018-01-11 鹿島建設株式会社 Form structure and construction method of structure
JP2018178497A (en) * 2017-04-11 2018-11-15 鹿島建設株式会社 Method of placing fiber reinforced concrete, and boundary member
KR20200107369A (en) * 2019-03-07 2020-09-16 폼으로 주식회사 Barrier for concrete pouring

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004092186A (en) * 2002-08-30 2004-03-25 Aoi Techno Service Kk New joint plate
JP2008038515A (en) * 2006-08-08 2008-02-21 Nihon Samicon Co Ltd Board for form
JP4605546B2 (en) * 2006-08-08 2011-01-05 日本サミコン株式会社 Formwork board
JP2009114625A (en) * 2007-11-01 2009-05-28 Nihon Samicon Co Ltd Embedded board for placing joint
JP2009191568A (en) * 2008-02-18 2009-08-27 Taisei Corp Method of manufacturing column-beam joint member, method of manufacturing concrete member, and column-beam joint member
JP2010094914A (en) * 2008-10-17 2010-04-30 Fujita Corp Formwork for precast concrete member integrating beam and column-beam joint section and production process of precast concrete member integrating beam and column-beam joint section using the formwork
KR101453360B1 (en) * 2012-07-12 2014-10-23 이익선 A mold finish of Concrete
JP2015158073A (en) * 2014-02-24 2015-09-03 株式会社長谷工コーポレーション Partition plate for concrete jointing
JP5893792B1 (en) * 2015-08-24 2016-03-23 株式会社ダイフジ Non-stop structure for construction of concrete and construction method
JP2017043892A (en) * 2015-08-24 2017-03-02 株式会社ダイフジ Whitewash stopper structure for concrete placing joint, and installation method thereof
JP2017057626A (en) * 2015-09-16 2017-03-23 宇部興産株式会社 Earthquake-resistant structure and design method thereof
JP2018003484A (en) * 2016-07-05 2018-01-11 鹿島建設株式会社 Form structure and construction method of structure
JP2018178497A (en) * 2017-04-11 2018-11-15 鹿島建設株式会社 Method of placing fiber reinforced concrete, and boundary member
KR20200107369A (en) * 2019-03-07 2020-09-16 폼으로 주식회사 Barrier for concrete pouring
KR102212818B1 (en) 2019-03-07 2021-02-04 폼으로주식회사 Barrier for concrete pouring

Similar Documents

Publication Publication Date Title
JP2001193281A (en) Partition for concrete placing joint
JP2781155B2 (en) Precast concrete board
KR100343960B1 (en) Steel concrete structure
JP3992401B2 (en) Seismic reinforcement method for existing buildings with RC seismic walls
JP4447632B2 (en) Beam and beam-column joint structure and method of joining the same
JP3579167B2 (en) Deck for road surface and its laying method
JP2000136637A (en) Construction method of increased earthquake resistant wall
JP3103808B2 (en) Net formwork method for walls and floors
JPH0949331A (en) Construction method of concrete building and construction member
JPH084196A (en) Panel for building
JPH0665973A (en) Constructing method of reinforced concrete structure such as foundation, wall, etc., and structure thereof
JPH07238610A (en) Connection method of precast concrete member
KR200166886Y1 (en) Steel concrete structure
JP2982023B2 (en) Beam for precast assembly method
KR20010097524A (en) Hybrid precast concrete structure and the method of the same
JPH05222766A (en) Building method
JPH04185884A (en) Reinforcing method for opening section of bearing wall
JPH02304133A (en) Building method for steelframe and reinforcing bar concrete structure
JPH0932172A (en) Precast floor plate
JPH0649895A (en) Joint structure between reinforced concrete pillar and steel frame beam
JPH04353149A (en) Precast reinforced concrete beam and its jointment
JP2001020292A (en) Construction of caisson employing precast member
JPH08218670A (en) Silo pilaster member and silo structure constructing method
JP2579944Y2 (en) Load-bearing wall assembly structure
JP2766877B2 (en) Structural member for composite shell structure, composite shell structure using the same, and method of constructing the same