JPH077437Y2 - Concrete segment fittings - Google Patents
Concrete segment fittingsInfo
- Publication number
- JPH077437Y2 JPH077437Y2 JP1988131216U JP13121688U JPH077437Y2 JP H077437 Y2 JPH077437 Y2 JP H077437Y2 JP 1988131216 U JP1988131216 U JP 1988131216U JP 13121688 U JP13121688 U JP 13121688U JP H077437 Y2 JPH077437 Y2 JP H077437Y2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- segment
- base portion
- concrete segment
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、コンクリートセグメント同士を連結すべ
く、コンクリートセグメントの連結端面部に埋設して使
用する継手金具に関するものである。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a joint fitting which is used by being embedded in a connection end face portion of a concrete segment so as to connect the concrete segments to each other.
従来この種の継手金具は、自体の剛性が弱いので、コン
クリートセグメントの組立て後に、連結状態が悪くな
り、各コンクリートセグメントの連結が十分でなくなる
ということがある。Conventionally, since this type of joint fitting has a low rigidity itself, the connection state may be deteriorated after the concrete segments are assembled, and the connection between the concrete segments may not be sufficient.
この考案は前述した事情に鑑みて創案されたもので、そ
の目的な剛性が強く、各コンクリートセグメントの連結
を確実に行うことのできる継手金具を提供することにあ
る。The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to provide a joint fitting which has a high rigidity and is capable of reliably connecting the concrete segments.
この考案はコンクリートセグメントの連結用ブロックア
ウトの連結端面側に締付用ボルトの貫通孔を穿設した基
部を埋設してコンクリートセグメント同士を連結する継
手金具であって、前記基部の締付用ボルトの貫通孔はセ
グメントの連結端面に開口するボルト孔に連通してお
り、前記基部は矩形板体からなり、基部には、これと直
角に上下に間隔をおいて水平方向に平行に配置した帯状
板体からなる補強部が固定され、補強部の両側に固定し
たアンカー部材は基部の後方に延設されてコンクリート
セグメントに配筋した弦材と固定一体化されていること
を特徴とする。This invention is a joint fitting for connecting concrete segments by embedding a base portion having a through hole for a tightening bolt on the connection end surface side of a blockout for connecting a concrete segment, and connecting the concrete segments together. Through hole is connected to a bolt hole opened at the connecting end face of the segment, and the base portion is made of a rectangular plate body, and the base portion has a strip shape arranged vertically and vertically with a space therebetween in parallel with the horizontal direction. It is characterized in that the reinforcing portion made of a plate is fixed, and the anchor members fixed to both sides of the reinforcing portion are fixedly integrated with the chord members arranged in the concrete segment, extending to the rear of the base portion.
そして補強部により締付け用ナットが当接する基部の剛
性を高めることができる。またセグメントの配筋に一体
化されるアンカー部材により、コンクリートセグメント
の連結端部への埋設状態を強固にすることができること
から、コンクリートセグメント同士の連結を確実かつ強
固に行うことができるようにしたものである。The rigidity of the base portion with which the tightening nut abuts can be increased by the reinforcing portion. Also, because the anchor member integrated with the reinforcement of the segment can strengthen the embedded state of the concrete segment at the connecting end, it is possible to reliably and firmly connect the concrete segments. It is a thing.
以下この考案の継手金具を図示する実施例によって説明
する。The joint fitting of the present invention will be described below with reference to the illustrated embodiments.
連結端面部に埋設されてコンクリートセグメント同士を
連結する継手金具１は、コンクリートセグメント２にお
ける連結用ブロックアウト３の連結端面側に、連結用ブ
ロックアウト３内において締付け用ボルト頭部又はナッ
ト４との当接面を有する板体からなる基部５と、この基
部５に取付けられ、基部５の剛性を高める補強部６と、
この補強部６に取付けられセグメント２の配筋に一体化
さえるアンカー部材７とからなっている。The joint fitting 1 that is embedded in the connection end face portion and connects the concrete segments to each other is provided on the connection end face side of the connection block out 3 in the concrete segment 2 with the tightening bolt head or the nut 4 in the connection block out 3. A base portion 5 made of a plate having an abutting surface, a reinforcing portion 6 attached to the base portion 5 to enhance the rigidity of the base portion 5,
An anchor member 7 is attached to the reinforcing portion 6 and integrated with the reinforcing bar of the segment 2.
そして第１図に示す実施例での基部５は、締付け用ボル
ト８が貫通する貫通孔９が上部に１個、下部に２個穿設
された板体で形成されていて、貫通孔９はセグメントの
連結端面に開口するボルト孔に連通している。また補強
部６は、基部５の上下部に水平方向に間隔をおいて平行
にかつ直角に取付けられ、基部５の両側より伸びる帯状
板体で形成されている。さらにアンカー部材７は帯状板
体からなり、補強部６は両側端部を巻回して取付けけら
れ、後方への延長端はセグメント２に配筋した上下弦材
10,10と一体化するように取付けられている。In the base portion 5 in the embodiment shown in FIG. 1, a through hole 9 through which the tightening bolt 8 penetrates is formed by a plate body having one hole on the upper side and two holes on the lower side. It communicates with a bolt hole that opens on the connecting end face of the segment. The reinforcing portions 6 are attached to the upper and lower portions of the base portion 5 at intervals in the horizontal direction in parallel and at right angles, and are formed by strip-shaped plate members extending from both sides of the base portion 5. Further, the anchor member 7 is composed of a strip-shaped plate body, the reinforcing portion 6 is attached by winding both end portions thereof, and the rearward extending end thereof is an upper and lower chord member arranged in the segment 2.
It is installed so as to be integrated with 10, 10.
このような構成からなる継手金具１は、第２図〜第４図
に示すようにアンカー部材７がコンクリートセグメント
２の配筋である上下弦材10,10等に一体化されて、基部
５の表面が連結用ブロックアウト３内に露出するよう
に、即ち締付け用ボルト８に螺合する締付用ナット４が
当接するようにしてコンクリートグメント２の連結端面
部に埋設される。As shown in FIGS. 2 to 4, in the joint fitting 1 having such a structure, the anchor member 7 is integrated with the upper and lower chord members 10, 10 which are the reinforcing bars of the concrete segment 2 and the like. The surface is exposed in the connecting blockout 3, that is, the tightening nut 4 screwed into the tightening bolt 8 is brought into contact with the surface and is embedded in the connecting end surface portion of the concrete segment 2.
第５図は、この考案の継手金具の別態様を示すものであ
る。FIG. 5 shows another embodiment of the joint fitting of the present invention.
ここでの基部５は、板体からなりその表面が連結用ブロ
ックアウト３内に露出しないで、コンクリートセグメン
ト２の連結端面部に埋設できるように、貫通孔９が延び
て連結用ブロックアウト３まで延び、締付け用ナット４
が当接できるように３個の筒体11が形成されてなってい
る。The base 5 here is made of a plate body, and the surface thereof is not exposed in the connecting block out 3, and the through hole 9 extends to the connecting block out 3 so that it can be embedded in the connecting end face of the concrete segment 2. Extension and tightening nut 4
The three cylindrical bodies 11 are formed so that they can contact each other.
また補強部６は、基部５の両端に設けられている突出片
6aと、この両突出片6aと筒体11との間に設けられた２本
の水平方向に間隔をおいた帯状板体6bとで形成されてい
る。Further, the reinforcing portion 6 is a projecting piece provided at each end of the base portion 5.
6a and two strip-shaped plate members 6b that are provided between the projecting pieces 6a and the cylindrical member 11 and are spaced apart from each other in the horizontal direction.
さらにアンカー部材７は、両突出片6aに延設されてお
り、こりセグメント２の配筋である上下弦材10,10と一
体化するように、コンクリートセグメント２の連結端面
と反対側に長く延びた棒状体で形成されている。Further, the anchor member 7 is extended on both projecting pieces 6a, and extends long on the side opposite to the connecting end face of the concrete segment 2 so as to be integrated with the upper and lower chord members 10, 10 which are the bar arrangements of the dust segment 2. It is formed of a rod-shaped body.
このような構成からなる別態様の継手金具１は、第６図
〜第８図に示すようにアンカー部材７がコンクリートセ
グメント２の配筋である下弦材10等に一体化されて、筒
体11の表面が連結用ブロックアウト３内に露出するよう
に、即ち締付け用ボルト８に螺合する締付け用ナット４
が筒体11に当接するようにして、コンクリートセグメン
ト２の連結端面部に埋設される。In another embodiment of the joint fitting 1 having such a structure, as shown in FIGS. 6 to 8, the anchor member 7 is integrated with the lower chord member 10 which is the bar arrangement of the concrete segment 2 and the like, and the tubular body 11 is formed. So that its surface is exposed in the connecting block-out 3, that is, the tightening nut 4 screwed into the tightening bolt 8.
Is embedded in the connecting end surface portion of the concrete segment 2 so as to abut the cylindrical body 11.
この考案は以上の構成からなり、締付け用ナットが当接
する基部は基部に直角に固定され水平方向に間隔を置い
て配置した帯状板体からなる補強部により剛性が高めら
れ、かつ補強部はその両側よりアンカー部によりセグメ
ントに配筋した弦材と固定されることにより、コンクリ
ートセグメントの連結端部への埋設状態を強固にするこ
とができる。The present invention has the above-described structure, and the base portion against which the tightening nut abuts is fixed at a right angle to the base portion, and the rigidity is increased by the reinforcing portion formed of strip-shaped plate bodies arranged at intervals in the horizontal direction. By being fixed to the chord members arranged in the segments by the anchor portions from both sides, the concrete segment can be firmly embedded in the connection end portion.
そのためこれらのことからこの考案の継手金具では、コ
ンクリートセグメント同士の連結を確実かつ強固に行う
ことができる。Therefore, from the above, the joint fitting of the present invention can reliably and firmly connect the concrete segments.
第１図はこの考案のコンクリートセグメントの継手金具
を示す斜視図、第２図は第１図の継手金具をコンクリー
トセグメントの連結端部に埋設した状態を示す断面図、
第３図は第２図のＡ−Ａ線矢視図、第４図は第３図のＢ
−Ｂ線矢視図、第５図はこの考案の別態様の継手金具を
示す斜視図、第６図は第５図の継手金具をコンクリート
セグメントの連結端部に埋設した状態を示す断面図、第
７図は第６図のＣ−Ｃ線矢視図、第８図は第７図のＤ−
Ｄ線矢視図である。 １……継手金具、２……コンクリートセグメント、３…
…連結用ブロックアウト、４……締付け用ナット、５…
…基部、６……補強部、6a……突出片、6b……帯状板
体、７……アンカー部材、８……締付け用ボルト、９…
…貫通孔、10……上下弦材、11……筒体。FIG. 1 is a perspective view showing a joint fitting of a concrete segment of the present invention, and FIG. 2 is a sectional view showing a state where the joint fitting of FIG. 1 is embedded in a connecting end of a concrete segment.
3 is a view taken along the line AA of FIG. 2, and FIG. 4 is B of FIG.
-B line arrow view, FIG. 5 is a perspective view showing a joint fitting of another aspect of the present invention, and FIG. 6 is a sectional view showing a state where the joint fitting of FIG. 5 is embedded in the connecting end portion of the concrete segment, 7 is a view taken along the line CC of FIG. 6, and FIG. 8 is a view D- of FIG.
It is a D line arrow line view. 1 ... Fittings, 2 ... Concrete segment, 3 ...
… Blockout for connection, 4… Nut for tightening, 5…
... Base part, 6 ... Reinforcing part, 6a ... Projecting piece, 6b ... Strip plate body, 7 ... Anchor member, 8 ... Tightening bolt, 9 ...
… Through hole, 10… Upper and lower chord members, 11… Cylindrical body.
Claims (1)
アウトの連結端面側に締付用ボルトの貫通孔を穿設した
基部を埋設してコンクリートセグメント同士を連結する
継手金具であって、 前記基部の締付用ボルトの貫通孔はセグメントの連結端
面に開口するボルト孔に連通しており、 前記基部は矩形板体からなり、基部には、これと直角に
上下に間隔をおいて水平方向に平行に配置した帯状板体
からなる補強部が固定され、 補強部の両側に固定したアンカー部材は基部の後方に延
設されてコンクリートセグメントに配筋した弦材と固定
一体化されていることを特徴とするコンクリートセグメ
ント。1. A joint fitting for connecting concrete segments by embedding a base having a through hole of a tightening bolt formed on the connection end face side of a blockout for connecting concrete segments, and connecting the concrete segments together. The through hole of the bolt for bolt communicates with the bolt hole opened on the connecting end face of the segment, and the base portion is composed of a rectangular plate body, and the base portion is arranged parallel to the horizontal direction at a right angle and a vertical interval. It is characterized in that the reinforcing portion composed of a strip-shaped plate body is fixed, and the anchor members fixed to both sides of the reinforcing portion are extended to the rear of the base portion and fixedly integrated with the chord material reinforced in the concrete segment. Concrete segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131216U JPH077437Y2 (en) | 1988-10-06 | 1988-10-06 | Concrete segment fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131216U JPH077437Y2 (en) | 1988-10-06 | 1988-10-06 | Concrete segment fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0254895U JPH0254895U (en) | 1990-04-20 |
| JPH077437Y2 true JPH077437Y2 (en) | 1995-02-22 |
Family
ID=31387074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988131216U Expired - Lifetime JPH077437Y2 (en) | 1988-10-06 | 1988-10-06 | Concrete segment fittings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077437Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7285143B2 (en) * | 2019-06-13 | 2023-06-01 | 東日本旅客鉄道株式会社 | Method for joining precast concrete members |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523872Y2 (en) * | 1973-11-07 | 1977-01-27 | ||
| JPS5820717Y2 (en) * | 1978-01-19 | 1983-04-30 | 石川島建材工業株式会社 | concrete structure |
| JPS55172504U (en) * | 1979-05-31 | 1980-12-11 |
-
1988
- 1988-10-06 JP JP1988131216U patent/JPH077437Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0254895U (en) | 1990-04-20 |
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