JP2942704B2 - segment - Google Patents
segmentInfo
- Publication number
- JP2942704B2 JP2942704B2 JP6099480A JP9948094A JP2942704B2 JP 2942704 B2 JP2942704 B2 JP 2942704B2 JP 6099480 A JP6099480 A JP 6099480A JP 9948094 A JP9948094 A JP 9948094A JP 2942704 B2 JP2942704 B2 JP 2942704B2
- Authority
- JP
- Japan
- Prior art keywords
- segment
- notch
- connection
- reinforcing
- reinforcing member
- 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
Description
【０００１】[0001]
【産業上の利用分野】この発明は、コンクリートや集成
材などからなり、シールドトンネル等の構築用として使
用されるセグメントに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a segment made of concrete, glued laminated lumber, or the like and used for constructing a shield tunnel or the like.
【０００２】[0002]
【従来の技術】従来、この種のセグメントは、その内部
に補強用として、大径の主鉄筋や小径の鉄筋等を組ん
だ、所謂、鉄筋篭が配設されているものや、セグメント
の長手方向へ延びるＨ形鋼の梁材が配設されているもの
等のコンクリートセグメントが一般的に知られている。2. Description of the Related Art Conventionally, this type of segment has a so-called reinforcing bar cage in which a large-diameter main reinforcing bar, a small-diameter reinforcing bar, or the like is assembled for reinforcement. Concrete segments, such as those provided with H-beams extending in a direction, are generally known.
【０００３】[0003]
【この発明が解決しようとする課題】しかし、この従来
のセグメントでは、接続作業用切欠き部のコンクリート
面を保護するラージワッシャーや継手金具と、補強用の
鉄筋篭や梁材との接続が、面倒な作業であると共に、そ
の接続構造が複雑になる傾向があった。However, in this conventional segment, the connection between the large washer or the joint fitting for protecting the concrete surface of the cutout portion for the connection work, and the reinforcing steel cage or the beam material for the reinforcement is not provided. This is a troublesome operation and the connection structure tends to be complicated.
【０００４】また、この従来のセグメントは、その内部
に補強用として配設される鉄筋篭や梁材を有するため
に、使用材料は、鉄筋篭や梁材の周囲に流し込み凝固さ
せることのできるコンクリートに限られていた。即ち、
セグメントを集成材等で構成することは、鉄筋篭や梁材
の存在のため、不可能であった。[0004] Further, since the conventional segment has a reinforcing bar and a beam provided therein for reinforcement, the material used is concrete that can be poured around the reinforcing bar and the beam and solidified. Was limited to That is,
It was not possible to construct the segment with glued lumber or the like because of the presence of reinforced cages and beams.
【０００５】このように、従来のセグメントは、複雑な
断面形状の鉄筋篭や梁材の存在からコンクリート製に限
られると共に、その鉄筋篭や梁材とラージワッシャーや
継手金具との接続構造が複雑でセグメント自体が高価な
ものになるという問題点がある。As described above, the conventional segments are limited to those made of concrete because of the existence of reinforced cages and beams having complicated cross-sectional shapes, and the connection structure between the reinforced cages and beams and the large washers and the fittings is complicated. However, there is a problem that the segment itself becomes expensive.
【０００６】この発明は前述した事情に鑑みて創案され
たもので、その目的は製作が容易で安価にすることがで
き、コンクリート製に限らずに集成材等でも製作できる
セグメント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 of the present invention is to provide a segment which can be manufactured easily and inexpensively and which can be manufactured not only from concrete but also from glued laminated lumber. is there.
【０００７】[0007]
【課題を解決するための手段】この発明のセグメント
は、セグメント継手、リング継手ともに凹凸継手であ
り、接続端面のやや内側に接続作業用切欠き部を有し、
接続端面の凹凸部から接続作業用切欠き部に至るボルト
貫通孔を有するセグメントにおいて、セグメントの長手
方向に沿って配設されている複数の補強用梁材と、接続
作業用切欠き部に配設されてその内面に密着している断
面略コ字状の切欠き部補強部材とを備えてなり、前記補
強用梁材は両端部のネジ部とそれ以外の平鋼または丸鋼
の部分とで構成されるとともに、両端部のネジ部により
長手方向両端の切欠き部補強部材にボルト連結されて構
成されている。The segment of the present invention is an uneven joint for both the segment joint and the ring joint, and has a notch for connection work slightly inside the connection end face,
In a segment having a bolt through hole extending from the uneven portion of the connection end face to the notch for connection work, a plurality of reinforcing beam members arranged along the longitudinal direction of the segment and the notch for connection work are provided. And a notch reinforcing member having a substantially U-shaped cross section which is provided and is in close contact with the inner surface thereof, and the reinforcing beam is provided with a threaded portion at both ends and other portions of flat steel or round steel. , And bolted to notch reinforcing members at both ends in the longitudinal direction by screw portions at both ends.
【０００８】この発明のセグメントによれば、補強用梁
材を平鋼または丸鋼で形成したことにより、その補強用
梁材を集成材で構成したセグメント内にも容易に配設す
ることができる。According to the segment of the present invention, since the reinforcing beam is made of flat steel or round steel, the reinforcing beam can be easily arranged in the segment made of laminated wood. .
【０００９】また、補強用梁材の両端部にネジ部を設
け、接続作業用の切欠き部へ切欠き部補強部材（従来の
ラージワッシャーや継手金具に相当。）を配設すること
により両者のボルト連結を簡単に行うことができる。さ
らに、この切欠き部補強部材を利用して、従来と同様
に、セグメント相互の接続を簡単に行うことができる。[0009] Further, a thread portion is provided at both ends of the reinforcing beam material, and a notch reinforcing member (corresponding to a conventional large washer or a fitting) is provided in a notch portion for connection work. Bolt connection can be easily performed. Further, by using the notch reinforcing member, the segments can be easily connected to each other as in the related art.
【００１０】[0010]
【実施例】以下、この発明のセグメントを、図示する実
施例によって説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The segments of the present invention will be described below with reference to the illustrated embodiments.
【００１１】セグメント１（図１〜図３参照）は、従来
のセグメントと同様に、セグメント継手、リング継手と
もに凹凸継手であり、接続端面のやや内側に接続作業用
切欠き部を有し、接続端面の凹凸部から接続作業用切欠
き部に至るボルト貫通孔を有している。そして、セグメ
ント１内に配設されており、ネジ部２が形成されている
両端部を接続作業用の切欠き部３内へ突出している補強
用梁材４と、切欠き部３に配設されてその内面に密着し
ている断面略コ字状の切欠き部補強部材５とを備えてい
る。The segment 1 (see FIGS. 1 to 3) is an uneven joint for both the segment joint and the ring joint, like the conventional segment, and has a notch for connection work slightly inside the connection end face. It has a bolt through hole extending from the uneven portion on the end face to the notch for connection work. The reinforcing beam 4 is provided in the segment 1, and the two end portions on which the screw portions 2 are formed project into the notch portion 3 for connection work, and the notch portion 3. And a notch reinforcing member 5 having a substantially U-shaped cross section which is in close contact with the inner surface thereof.
【００１２】また、補強用梁材４は、両端部のネジ部２
以外の部分を平鋼または丸鋼で形成している共に、切欠
き部補強部材５は、切欠き部補強部材５を貫通した補強
用梁材４のネジ部２に螺合して締付けるナット６によっ
て固定されている。Further, the reinforcing beam member 4 includes the threaded portions 2 at both ends.
The other portions are formed of flat steel or round steel, and the notch portion reinforcing member 5 is screwed into the screw portion 2 of the reinforcing beam member 4 penetrating the notch portion reinforcing member 5 and tightened by a nut 6. Has been fixed by.
【００１３】そして、この実施例でのセグメント１は、
コンクリートで製作されており、接続端面に接続用凹部
および凸部1a，1bが形成されている。そして、このセグ
メント１における接続用凹凸部1a，1bには、切欠き部３
内へ通じる、接続ボルト７（図３参照）用のボルト貫通
孔８が形成されている。Then, the segment 1 in this embodiment is:
It is made of concrete, and has connection concave and convex portions 1a and 1b formed on a connection end face. The connection concave / convex portions 1a and 1b in the segment 1 have notches 3
A bolt through hole 8 is formed for the connection bolt 7 (see FIG. 3), which leads into the inside.
【００１４】また、この実施例での補強用梁材４は、図
２に示すように、平鋼で形成されており、図１および図
２に示すように、両端のネジ部２を切欠き部３内へ露出
させた状態で、セグメント１の長手方向に配設されてい
る。The reinforcing beam 4 in this embodiment is made of flat steel as shown in FIG. 2, and the threaded portions 2 at both ends are notched as shown in FIGS. The segment 3 is disposed in the longitudinal direction of the segment 1 so as to be exposed in the portion 3.
【００１５】さらに、この実施例での切欠き部補強部材
５は、図３に示すように、両側板5aおよび連結板5bとか
ら断面略コ字状に形成されている。そして、両側板5aに
は、補強用梁材におけるネジ部２および接続ボルト７と
が貫通する貫通孔９が穿設されている。Further, as shown in FIG. 3, the notch reinforcing member 5 in this embodiment is formed in a substantially U-shaped cross section from both side plates 5a and the connecting plate 5b. Further, a through hole 9 through which the screw portion 2 and the connection bolt 7 of the reinforcing beam material penetrate is formed in both side plates 5a.
【００１６】このような構成からなる、この発明のセグ
メント１は、図１に示すように、切欠き部３を形成する
切欠き部補強部材５内で、切欠き部補強部材５を貫通し
た補強用梁材４のネジ部２へナット６を螺合して締付け
ることで、補強用梁材４と切欠き部補強部材５とを直結
して型枠（図示せず）内へ配設し、その型枠内にコンク
リートを打設することで形成される。As shown in FIG. 1, the segment 1 according to the present invention having the above-described structure is provided with a reinforcing member penetrating the notch reinforcing member 5 in the notch reinforcing member 5 forming the notch 3. By screwing and tightening the nut 6 to the screw portion 2 of the beam member 4 for use, the reinforcing beam member 4 and the notch portion reinforcing member 5 are directly connected and disposed in a formwork (not shown), It is formed by casting concrete in the formwork.
【００１７】そして、このように形成されたセグメント
１相互の接続は、図３に示すように、切欠き部３内で、
切欠き部補強部材５を貫通した接続ボルト７へナット６
を螺合して締付けることで行われる。The connection between the segments 1 thus formed is formed within the notch 3 as shown in FIG.
Nut 6 to connection bolt 7 penetrating notch reinforcing member 5
This is done by screwing and tightening.
【００１８】このように、この発明のセグメント１で
は、補強用梁材４の両端部に設けたネジ部２により、接
続作業用の切欠き部３へ配設する切欠き部補強部材５と
補強用梁材４とを連結する接続作業を簡単に行うことが
できる。また、この発明のセグメント１では、ネジ部２
および接合ボルト７に螺合するナット６により、切欠き
部補強部材５を強固に固定することができるので、セグ
メント１相互の接続も強固に行うことができる。As described above, in the segment 1 of the present invention, the notch reinforcing member 5 provided in the notch 3 for connection work and the reinforcing member 5 are reinforced by the screw portions 2 provided at both ends of the reinforcing beam 4. The connecting work for connecting the beam member 4 for use can be easily performed. Further, in the segment 1 of the present invention, the screw portion 2
Further, the notch reinforcing member 5 can be firmly fixed by the nut 6 screwed to the joining bolt 7, so that the connection between the segments 1 can be firmly performed.
【００１９】さらに、この発明のセグメント１では、補
強用梁材４のネジ部２以外の部分を平鋼で形成したの
で、図４に示すように、セグメント１を集成材で形成し
ても、問題なく対処することができる。また、このセグ
メント１内に配設される補強用梁材４は、丸鋼を使用す
ることもできる。Further, in the segment 1 according to the present invention, since the portions other than the threaded portion 2 of the reinforcing beam 4 are formed of flat steel, even if the segment 1 is formed of a laminated material as shown in FIG. We can cope without problem. Further, as the reinforcing beam member 4 provided in the segment 1, a round steel can be used.
【００２０】[0020]
【発明の効果】この発明のセグメントによれば、主要補
強材である補強用梁材を平鋼または丸鋼で形成したこと
により、その補強用梁材を集成材で構成したセグメント
内にも配設できる。また、補強用梁材の両端部にネジ部
を設けたことにより、接続作業用の切欠き部へ配設する
切欠き部補強部材と補強用梁材との接続を簡単に行うこ
とができる。According to the segment of the present invention, the reinforcing beam, which is the main reinforcing member, is formed of flat steel or round steel, so that the reinforcing beam is also disposed in the segment formed of laminated wood. Can be set up. Further, since the threaded portions are provided at both ends of the reinforcing beam, connection between the notch reinforcing member and the reinforcing beam provided in the notch for connection work can be easily performed.
【図１】この発明のセグメントを示す概略断面図であ
る。FIG. 1 is a schematic sectional view showing a segment of the present invention.
【図２】この発明のセグメントを示す概略斜視図であ
る。FIG. 2 is a schematic perspective view showing a segment of the present invention.
【図３】この発明のセグメント相互の接続状態をを示す
概略断面図である。FIG. 3 is a schematic sectional view showing a connection state between segments according to the present invention.
【図４】この発明のセグメントの別態様を示す概略斜視
図である。FIG. 4 is a schematic perspective view showing another embodiment of the segment of the present invention.
１…セグメント、1a…接続用凹部、1b…接続用凸部、２
…ネジ部、３…切欠き部、４…補強用梁材、５…切欠き
部補強部材、5a…両側板、5b…連結板、６…ナット、７
…接続ボルト、８…接続ボルト貫通孔、９…貫通孔。DESCRIPTION OF SYMBOLS 1 ... Segment, 1a ... Connection concave part, 1b ... Connection convex part, 2
... Screw part, 3 ... Notch part, 4 ... Reinforcement beam material, 5 ... Notch part reinforcing member, 5a ... Both side plates, 5b ... Connection plate, 6 ... Nut, 7
... connection bolt, 8 ... connection bolt through hole, 9 ... through hole.
Claims (1)
継手であり、接続端面のやや内側に接続作業用切欠き部
を有し、接続端面の凹凸部から接続作業用切欠き部に至
るボルト貫通孔を有するセグメントにおいて、セグメン
トの長手方向に沿って配設されている複数の補強用梁材
と、接続作業用切欠き部に配設されてその内面に密着し
ている断面略コ字状の切欠き部補強部材とを備えてな
り、前記補強用梁材は両端部のネジ部とそれ以外の平鋼
または丸鋼の部分とで構成されるとともに、両端部のネ
ジ部により長手方向両端の切欠き部補強部材にボルト連
結されていることを特徴とするセグメント。1. A segment joint and a ring joint are both concave and convex joints, each having a notch portion for connection work slightly inside the connection end face, and a bolt through hole extending from the uneven portion on the connection end face to the notch portion for connection work. A plurality of reinforcing beam members disposed along the longitudinal direction of the segment, and a notch having a substantially U-shaped cross-section disposed in the notch for connection work and in close contact with the inner surface thereof The reinforcing beam is formed of threaded portions at both ends and other portions of flat steel or round steel, and notches at both ends in the longitudinal direction are formed by the threaded portions at both ends. A segment characterized by being bolted to a part reinforcing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6099480A JP2942704B2 (en) | 1994-05-13 | 1994-05-13 | segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6099480A JP2942704B2 (en) | 1994-05-13 | 1994-05-13 | segment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07305597A JPH07305597A (en) | 1995-11-21 |
| JP2942704B2 true JP2942704B2 (en) | 1999-08-30 |
Family
ID=14248481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6099480A Expired - Fee Related JP2942704B2 (en) | 1994-05-13 | 1994-05-13 | segment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2942704B2 (en) |
-
1994
- 1994-05-13 JP JP6099480A patent/JP2942704B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07305597A (en) | 1995-11-21 |
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