JPH06158736A - Jointing construction for precast concrete board - Google Patents
Jointing construction for precast concrete boardInfo
- Publication number
- JPH06158736A JPH06158736A JP33101392A JP33101392A JPH06158736A JP H06158736 A JPH06158736 A JP H06158736A JP 33101392 A JP33101392 A JP 33101392A JP 33101392 A JP33101392 A JP 33101392A JP H06158736 A JPH06158736 A JP H06158736A
- Authority
- JP
- Japan
- Prior art keywords
- precast concrete
- joining
- joint
- boards
- rebars
- 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
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、プレキャストコンク
リート板の接合構造に係り、詳しくはプレキャストコン
クリート板同士を簡単に接合するプレキャストコンクリ
ート板の接合構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure for precast concrete plates, and more particularly to a joint structure for precast concrete plates for easily joining precast concrete plates.
【０００２】[0002]
【従来の技術】プレキャストコンクリート板は、例えば
現場ですぐ組み立てられるように、前もって工場で生産
したコンクリート製の建材であり、例えば建築物の床や
壁等として用いられる。2. Description of the Prior Art Precast concrete boards are concrete building materials produced in advance in factories so that they can be immediately assembled on site, and are used as floors and walls of buildings, for example.
【０００３】このプレキャストコンクリート板は、例え
ば図８乃至図１１に示すように床板として用いる場合が
あり、図８は床板の平面図、図９はプレキャストコンク
リート板の接合構造を示す拡大平面図、図１０は図９の
XーX断面図、図１１は図９のXIーXI断面図である。This precast concrete board may be used as a floor board, for example, as shown in FIGS. 8 to 11. FIG. 8 is a plan view of the floor board, and FIG. 9 is an enlarged plan view showing a joint structure of the precast concrete board. 10 in FIG. 9
11 is a sectional view taken along line XI-XI in FIG.
【０００４】床板１００は、複数枚のプレキャストコン
クリート板１０１を接合して構成されるが、プレキャス
トコンクリート板１０１同士を接合する部分の目地部１
０２に、接合部１０３を数箇所設けていた。この接合部
１０３では、突出した差し筋１０４同士に連結鉄筋１０
５を当てがい溶接し、この接続部１０３以外の目地部１
０２の部分も含めてコンクリート１０６を打設し一体化
している。The floor board 100 is constructed by joining a plurality of precast concrete boards 101, and the joint portion 1 at the portion where the precast concrete boards 101 are joined together.
No. 02, several joints 103 were provided. In this joint portion 103, the connecting rebar 10
5 and apply welding, and the joint portion 1 other than this connecting portion 103
The concrete 106 including the 02 part is also placed and integrated.
【０００５】[0005]
【発明が解決しようとする課題】ところで、プレキャス
トコンクリート板の接合に、突出した差し筋同士に連結
鉄筋を当てがい溶接するため、溶接の専門工を必要と
し、誰でも簡単に作業を行なうことができなかった。ま
た、溶接を用いてプレキャストコンクリート板を接合す
る構造のため、工事に時間を要し、しかも雨のときには
作業が困難で天候等に左右されやすい等の問題がある。By the way, in joining precast concrete plates, welding is performed by applying connecting rebars to protruding rebars, so that a welding specialist is required and anyone can easily perform the work. could not. Further, since the precast concrete plates are joined together by welding, there is a problem that the construction takes time and the work is difficult in the case of rain and is easily influenced by the weather.
【０００６】さらに、プレキャストコンクリート板同士
を接合する部分の目地部に、接合部を数箇所設けてお
り、これらの部分で形状が異なっているため、プレキャ
ストコンクリート板の型枠が複雑である。また、目地部
の部分にコンクリートを充填しにくく、隙間等の欠陥が
生じることがある。Further, several joints are provided at joints of the joints between the precast concrete plates, and the shapes of these joints are different, so the formwork of the precast concrete plates is complicated. In addition, it is difficult to fill the joint portion with concrete, and defects such as gaps may occur.
【０００７】この発明は、このような実情に鑑みなされ
たもので、請求項１記載の発明は、溶接等の専門工を必
要とせず、接合が簡単で、しかも短時間の工事で、かつ
天候等に左右されずに接合できるプレキャストコンクリ
ート板の接合構造を提供することを目的としている。The present invention has been made in view of the above circumstances, and the invention according to claim 1 does not require a specialized worker such as welding, can be easily joined, and can be constructed in a short time and can be weathered. It is an object of the present invention to provide a joining structure of precast concrete plates that can be joined without being affected by the above.
【０００８】また、請求項２記載の発明は、プレキャス
トコンクリート板の型枠が簡単であると共に、コンクリ
ートの充填性が良く、隙間等の欠陥の発生が減少するプ
レキャストコンクリート板の接合構造を提供することを
目的としている。Further, the invention according to claim 2 provides a joint structure for precast concrete plates, in which the form of the precast concrete plates is simple, the filling property of the concrete is good, and the occurrence of defects such as gaps is reduced. Is intended.
【０００９】[0009]
【課題を解決するための手段】前記課題を解決するた
め、請求項１記載の発明は、プレキャストコンクリート
板同士を接合する接合部から突出する部分を折り曲げた
鉄筋を有し、この接合部を対向させてプレキャストコン
クリート板同士を配置し、さらに対向する鉄筋の折曲部
同士に組立鉄筋を当てがい、このプレキャストコンクリ
ート板同士の接合部にコンクリートを打設して接合した
ことを特徴としている。In order to solve the above-mentioned problems, the invention according to claim 1 has a reinforcing bar formed by bending a portion projecting from a joint for joining precast concrete plates, and the joints are opposed to each other. It is characterized in that precast concrete plates are arranged and the assembled rebars are applied to the bent portions of the rebars that face each other, and concrete is placed and joined at the joints between the precast concrete plates.
【００１０】請求項２記載の発明は、プレキャストコン
クリート板同士を接合する接合部を接合方向の全幅に亘
って同形状の段状に形成したことを特徴としている。The invention according to claim 2 is characterized in that a joint portion for joining the precast concrete plates is formed in a step shape having the same shape over the entire width in the joining direction.
【００１１】[0011]
【作用】この請求項１記載の発明では、鉄筋の折曲部を
対向させてプレキャストコンクリート板同士を配置し、
この対向する鉄筋の折曲部同士に組立鉄筋を当てがうだ
けで、このプレキャストコンクリート板同士を接合する
部分にコンクリートを打設して接合固定しており、溶接
等の専門工を必要とせず、接合が簡単である。In the invention according to claim 1, the precast concrete plates are arranged with the bent portions of the reinforcing bars facing each other,
Just by placing the assembled rebars on the bent parts of the opposing rebars, concrete is placed and bonded and fixed to the part where the precast concrete plates are joined together, without the need for specialists such as welding. , Easy to join.
【００１２】また、請求項２記載の発明では、プレキャ
ストコンクリート板同士を接合する接合部が、接合方向
の全幅に亘って同形状の段状に形成されているため、プ
レキャストコンクリート板の型枠が簡単であると共に、
コンクリートの充填性が良い。Further, in the invention according to claim 2, since the joint portion for joining the precast concrete plates is formed in a step shape having the same shape over the entire width in the joining direction, the form of the precast concrete plate is Simple and
Good filling of concrete.
【００１３】[0013]
【実施例】次に、添付図面と共に、この発明の実施例を
詳細に説明する。図１は床板の平面図、図２はプレキャ
ストコンクリート板の接合構造を示す拡大平面図、図３
は図２のIIIーIII断面図、図４は組立鉄筋の平面図、図
５は図４のVーV断面図である。Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. FIG. 1 is a plan view of a floor board, FIG. 2 is an enlarged plan view showing a joint structure of precast concrete boards, and FIG.
Is a III-III sectional view of FIG. 2, FIG. 4 is a plan view of the assembled rebar, and FIG. 5 is a VV sectional view of FIG.
【００１４】図１に示すように建築物の床板１は、複数
のプレキャストコンクリート板２を接合して構成され、
このプレキャストコンクリート板２は、例えば現場です
ぐ組み立てられるように、前もって工場で生産したコン
クリート製の建材である。このプレキャストコンクリー
ト板２の接合面側２ａには、段状にして接合部２ｂが形
成され、この接合部２ｂは、接合方向の全幅Ｄ１，Ｄ２
に亘って同形状の段状に形成されている。As shown in FIG. 1, a floorboard 1 of a building is constructed by joining a plurality of precast concrete boards 2,
The precast concrete board 2 is a building material made of concrete produced in a factory in advance so that it can be immediately assembled on site, for example. On the joint surface side 2a of the precast concrete plate 2, a joint portion 2b is formed in a stepped shape, and the joint portion 2b has a total width D1, D2 in the joint direction.
Are formed in a stepped shape having the same shape.
【００１５】この接合部２ｂから鉄筋３が突出してお
り、この鉄筋の突出部３ａの先端を接合面から離れる方
向へ折り曲げて折曲部３ｃが形成されている。この鉄筋
の突出部３ａの折り曲げは、工場でプレキャストコンク
リート板２を生産するときに行なってもよいし、建築現
場で床板１を施工する際に行なってもよい。A reinforcing bar 3 projects from the joint 2b, and a bent portion 3c is formed by bending the tip of the protruding portion 3a of the reinforcing bar in a direction away from the joint surface. The bending of the projecting portion 3a of the reinforcing bar may be performed when the precast concrete board 2 is produced in a factory, or when the floor board 1 is constructed at a construction site.
【００１６】建築現場で床板１を施工する際には、プレ
キャストコンクリート板２同士を、その段状の接合部２
ｂを対向させ配置する。これで、プレキャストコンクリ
ート板２同士の鉄筋３の折曲部３ｃが対向し、この対向
する鉄筋３の折曲部３ｃ同士に組立鉄筋４を当てがう。
この組立鉄筋４は、２本の長い縦鉄筋４０を所定間隔で
配置し、この２本の長い縦鉄筋４０に短い横鉄筋４１を
所定間隔で交差させて配置し、この短い横鉄筋４１を２
本の長い縦鉄筋４０に溶接して結合し、はしご状に形成
したものである。When constructing the floorboard 1 at a construction site, the precast concrete boards 2 are joined to each other by the step-like joint 2 thereof.
b are arranged facing each other. With this, the bent portions 3c of the reinforcing bars 3 of the precast concrete plates 2 face each other, and the assembled reinforcing bars 4 are applied to the bent portions 3c of the facing reinforcing bars 3.
In this assembled rebar 4, two long vertical rebars 40 are arranged at a predetermined interval, and short horizontal rebars 41 are arranged so as to intersect the two long vertical rebars 40 at a predetermined interval.
It is formed into a ladder shape by welding and connecting it to a long vertical rebar 40 of a book.
【００１７】この組立鉄筋４は、その２本の長い縦鉄筋
４０の内側に、プレキャストコンクリート板２同士の対
向する鉄筋３の折曲部３ｃを位置させるようにしてお
き、これで対向する鉄筋３の折曲部３ｃ同士に組立鉄筋
４を上方からかぶせて当てがい、このプレキャストコン
クリート板２同士を接合する接合部２ｂにコンクリート
５を打設して接合する。The assembled rebar 4 is arranged such that the bent portions 3c of the rebars 3 of the precast concrete plates 2 facing each other are positioned inside the two long vertical rebars 40, and the rebars 3 facing each other. The assembled reinforcing bars 4 are applied to the bent portions 3c of the above from above and the concrete 5 is placed and joined to the joint portion 2b for joining the precast concrete plates 2 to each other.
【００１８】このプレキャストコンクリート板２同士の
接合部２ｂに働く存在応力としては、目地方向Ａのせん
断力の他に、直角方向Ｂに引張力が働く。このせん断力
に対しては、鉄筋３のダボ効果により抵抗させることが
できる。また、引張力に対しては、対向する鉄筋３の折
曲部３Ｃと、はしご状の組立鉄筋４により抵抗させるこ
とができる。As the existing stress acting on the joint portion 2b between the precast concrete plates 2, a tensile force acts in the perpendicular direction B in addition to the shearing force in the joint direction A. This shearing force can be resisted by the dowel effect of the reinforcing bar 3. Further, the pulling force can be resisted by the bent portions 3C of the reinforcing bars 3 facing each other and the ladder-shaped assembled reinforcing bars 4.
【００１９】さらに、プレキャストコンクリート板２同
士の接合部２ｂに働く存在応力により、プレキャストコ
ンクリート板２の鉄筋３の数や太さ、また組立鉄筋４の
長さを変えること等で容易に対応することができる。Further, the existing stress acting on the joint portion 2b between the precast concrete boards 2 can be easily dealt with by changing the number and thickness of the reinforcing bars 3 of the precast concrete boards 2 and the length of the assembled reinforcing bars 4. You can
【００２０】このようにプレキャストコンクリート板２
の接合構造では、プレキャストコンクリート板２の鉄筋
３同士の接合が、鉄筋３同士を溶接や機械式継ぎ手等の
直接接合する構造にせず、はしご状に加工した組立鉄筋
４を使用することにより、対向する鉄筋３の折曲部３ｃ
同士に組立鉄筋４をただ当てがうだけである。Thus, the precast concrete board 2
In the joint structure of No. 3, the joining of the reinforcing bars 3 of the precast concrete plate 2 is not made to be a structure in which the reinforcing bars 3 are directly joined by welding or a mechanical joint, but by using the assembled reinforcing bars 4 processed into a ladder shape, they are opposed to each other. Bending part 3c of rebar 3
The assembly rebar 4 is simply applied to each other.
【００２１】従って、溶接の専門工等を必要とせずに、
誰でも簡単に作業を行なうことができる。また、対向す
る鉄筋３の折曲部３ｃ同士に組立鉄筋４をただ当うだけ
であるため工事時間が短縮でき、しかも雨のときの作業
も容易で天候等に左右されないで工事ができる等施工の
合理化を図ることができる。Therefore, without requiring a welding specialist or the like,
Anyone can easily work. In addition, the construction time can be shortened because the assembled rebars 4 are simply hit against the bent portions 3c of the rebars 3 facing each other, and the work can be done easily even in the rain, and the work can be performed without being affected by the weather. Can be rationalized.
【００２２】また、プレキャストコンクリート板２同士
を接合する接合部２ｂが、接合方向の全幅Ｄ１，Ｄ２に
亘って同形状の段状に形成されているため、プレキャス
トコンクリート板２の型枠が簡単である。さらに、コン
クリートの充填性が良く、隙間等の欠陥の発生を減少さ
せることができ、音を遮断する効果等が向上する。Further, since the joint portion 2b for joining the precast concrete boards 2 to each other is formed in a step shape having the same shape over the entire widths D1 and D2 in the joining direction, the formwork of the precast concrete boards 2 is simple. is there. Further, the concrete can be filled well, defects such as gaps can be reduced, and the effect of blocking sound is improved.
【００２３】また、コンクリートの充填性が良いため、
接合部２ｂでジャンカ等が発生しにくく、プレキャスト
コンクリート板２同士をより一体化できる。Further, since the filling property of concrete is good,
Junkers and the like are less likely to occur at the joint portion 2b, and the precast concrete boards 2 can be more integrated.
【００２４】図６及び図７は組立鉄筋の他の実施例を示
し、図６は組立鉄筋の平面図、図７は図６のVIIーVII断
面図である。6 and 7 show another embodiment of the assembled rebar, FIG. 6 is a plan view of the assembled rebar, and FIG. 7 is a sectional view taken along line VII-VII of FIG.
【００２５】この実施例の組立鉄筋６は、２本の長い縦
鉄筋６０を所定間隔で配置し、この２本の長い縦鉄筋６
０の間に短い横鉄筋６１を所定間隔で配置し、この短い
横鉄筋６１を２本の長い縦鉄筋６０に溶接して結合し、
はしご状に形成したものである。In the assembled reinforcing bar 6 of this embodiment, two long vertical reinforcing bars 60 are arranged at a predetermined interval, and the two long vertical reinforcing bars 6 are arranged.
Short horizontal rebars 61 are arranged at a predetermined interval between 0, and the short horizontal rebars 61 are welded to two long vertical rebars 60 to be joined,
It is formed like a ladder.
【００２６】なお、この実施例では、プレキャストコン
クリート板を建築物の床として用いているが、壁等とし
て用いることもできる。In this embodiment, the precast concrete board is used as the floor of the building, but it can also be used as a wall or the like.
【００２７】[0027]
【発明の効果】以上説明したように、請求項１記載の発
明のプレキャストコンクリート板材の接合構造は、鉄筋
の折曲部を対向させてプレキャストコンクリート板同士
を配置し、この対向する鉄筋の折曲部同士に組立鉄筋を
当てがうだけで、このプレキャストコンクリート板同士
を接合する部分にコンクリートを打設して接合するか
ら、溶接等の特殊な技量を必要とせず、誰でも簡単に作
業を行うことができる。As described above, in the joint structure for precast concrete plate materials according to the first aspect of the invention, the precast concrete plates are arranged so that the bent portions of the reinforcing bars face each other, and the bent reinforcing bars facing each other are bent. No need to have a special skill such as welding, since anyone can easily work by placing concrete on the part that joins the precast concrete plates to each other just by applying assembly rebar to the parts. be able to.
【００２８】また、鉄筋同士を溶接や機械式継ぎ手等の
直接接合する構造にせず、組立鉄筋を使用することによ
り、対向する鉄筋の折曲部同士に組立鉄筋をただ当てが
うだけであり、工事時間が短縮でき、しかも雨のときの
作業も容易で天候等に左右されないで工事ができる等施
工の合理化を図ることができる。Further, by using assembled rebars without forming a structure in which the rebars are directly joined by welding or a mechanical joint, it is only necessary to apply the assembled rebars to the bent portions of the rebars facing each other. The construction time can be shortened, the work can be done easily even in the rain, and the construction can be carried out without being affected by the weather.
【００２９】また、請求項２記載の発明は、プレキャス
トコンクリート板同士を接合する接合部を、接合方向の
全幅に亘って同形状の段状に形成したから、プレキャス
トコンクリート板の型枠が簡単であると共に、コンクリ
ートの充填性が良く、隙間等の欠陥の発生を減少させる
ことができ、音を遮断する効果等が向上するとともに、
ジャンカ等が発生しにくく、プレキャストコンクリート
板同士をより一体化できる。According to the second aspect of the present invention, since the joint portion for joining the precast concrete boards is formed in a step shape having the same shape over the entire width in the joining direction, the formwork of the precast concrete boards is simple. At the same time, it has good filling properties of concrete, can reduce the occurrence of defects such as gaps, and improves the effect of blocking sound, etc.,
Junkers are less likely to occur and precast concrete boards can be more integrated.
【図１】床板の平面図である。FIG. 1 is a plan view of a floorboard.
【図２】プレキャストコンクリート板の接合構造を示す
拡大平面図である。FIG. 2 is an enlarged plan view showing a joint structure of precast concrete boards.
【図３】図２のIIIーIII断面図である。FIG. 3 is a sectional view taken along line III-III in FIG.
【図４】組立鉄筋の平面図である。FIG. 4 is a plan view of an assembled rebar.
【図５】図４のVーV 断面図である。5 is a sectional view taken along line VV of FIG.
【図６】組立鉄筋の平面図である。FIG. 6 is a plan view of an assembled rebar.
【図７】図６のVIIーVII断面図である。7 is a sectional view taken along line VII-VII of FIG.
【図８】床板の平面図である。FIG. 8 is a plan view of a floor board.
【図９】プレキャストコンクリート板の接合構造を示す
拡大平面図である。FIG. 9 is an enlarged plan view showing a joint structure of precast concrete boards.
【図１０】図９のXーX断面図である。10 is a sectional view taken along line XX of FIG.
【図１１】図９のXIーXI断面図である。11 is a sectional view taken along line XI-XI of FIG.
２ プレキャストコンクリート板 ２ｂ 接合部 ３ 鉄筋 ３ｃ 折曲部 ４ 組立鉄筋 ５ コンクリート 2 Precast concrete plate 2b Joint part 3 Reinforcing bar 3c Bending part 4 Assembly rebar 5 Concrete
Claims (2)
する接合部から突出する部分を折り曲げた鉄筋を有し、
この接合部を対向させてプレキャストコンクリート板同
士を配置し、さらに対向する鉄筋の折曲部同士に組立鉄
筋を当てがい、このプレキャストコンクリート板同士の
接合部にコンクリートを打設して接合したことを特徴と
するプレキャストコンクリート板の接合構造。1. A reinforcing bar having a bent portion projecting from a joint for joining precast concrete plates to each other,
Place the precast concrete plates facing each other at the joints, apply the assembled rebars to the bent portions of the rebars that face each other, and place the concrete at the joints between the precast concrete plates to join them. Characteristic pre-cast concrete board joint structure.
する接合部は、接合方向の全幅に亘って同形状の段状に
形成したことを特徴とする請求項１記載のプレキャスト
コンクリート板の接合構造。2. The joining structure for precast concrete boards according to claim 1, wherein the joining portion for joining the precast concrete boards is formed in a step shape having the same shape over the entire width in the joining direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33101392A JPH06158736A (en) | 1992-11-17 | 1992-11-17 | Jointing construction for precast concrete board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33101392A JPH06158736A (en) | 1992-11-17 | 1992-11-17 | Jointing construction for precast concrete board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06158736A true JPH06158736A (en) | 1994-06-07 |
Family
ID=18238854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33101392A Pending JPH06158736A (en) | 1992-11-17 | 1992-11-17 | Jointing construction for precast concrete board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06158736A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3903253A1 (en) * | 1988-02-05 | 1989-08-24 | Honda Motor Co Ltd | Wedge connection |
| JP2002121819A (en) * | 2000-10-16 | 2002-04-26 | Kajima Corp | STRUCTURE OF PCa WALL-SLAB JOINING SECTION |
| KR101460752B1 (en) * | 2014-03-07 | 2014-11-12 | (주)대우건설 | Precast concrete bridge deck module using headed reinforcement |
| CN108442596A (en) * | 2018-04-20 | 2018-08-24 | 中交第二公路勘察设计研究院有限公司 | The wet seam steel bar connecting structure of precast concrete beam |
| KR102119440B1 (en) * | 2019-08-29 | 2020-06-08 | 한국건설기술연구원 | Connecting Structure of Segments, Using Reinforcements and UHPC, and Precast Structure using such Connecting Structure, and Constructing Method of such Precast Structure |
-
1992
- 1992-11-17 JP JP33101392A patent/JPH06158736A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3903253A1 (en) * | 1988-02-05 | 1989-08-24 | Honda Motor Co Ltd | Wedge connection |
| JP2002121819A (en) * | 2000-10-16 | 2002-04-26 | Kajima Corp | STRUCTURE OF PCa WALL-SLAB JOINING SECTION |
| JP4672847B2 (en) * | 2000-10-16 | 2011-04-20 | 鹿島建設株式会社 | Structure of PCa wall slab joint |
| KR101460752B1 (en) * | 2014-03-07 | 2014-11-12 | (주)대우건설 | Precast concrete bridge deck module using headed reinforcement |
| CN108442596A (en) * | 2018-04-20 | 2018-08-24 | 中交第二公路勘察设计研究院有限公司 | The wet seam steel bar connecting structure of precast concrete beam |
| CN108442596B (en) * | 2018-04-20 | 2024-04-16 | 中交第二公路勘察设计研究院有限公司 | Wet joint steel bar connection structure of precast concrete beam |
| KR102119440B1 (en) * | 2019-08-29 | 2020-06-08 | 한국건설기술연구원 | Connecting Structure of Segments, Using Reinforcements and UHPC, and Precast Structure using such Connecting Structure, and Constructing Method of such Precast Structure |
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