JP2944064B2 - Segment for tunnel lining - Google Patents
Segment for tunnel liningInfo
- Publication number
- JP2944064B2 JP2944064B2 JP6003658A JP365894A JP2944064B2 JP 2944064 B2 JP2944064 B2 JP 2944064B2 JP 6003658 A JP6003658 A JP 6003658A JP 365894 A JP365894 A JP 365894A JP 2944064 B2 JP2944064 B2 JP 2944064B2
- Authority
- JP
- Japan
- Prior art keywords
- segment
- reinforcing
- connecting portion
- tunnel
- fitting
- 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
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000004566 building material Substances 0.000 claims description 2
- 239000013589 supplement Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 description 7
- LFYJSSARVMHQJB-QIXNEVBVSA-N bakuchiol Chemical compound CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 LFYJSSARVMHQJB-QIXNEVBVSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000981595 Zoysia japonica Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 102200124760 rs587777729 Human genes 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、セグメントのコンク
リート中に、その円周方向に沿って補強用鉄骨材を設置
し、かつ、前記セグメントの端部に、隣接するセグメン
トどうしを接合する継ぎ手金具を取り付けてなるトンネ
ル覆工用セグメントに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint fitting for arranging reinforcing steel members along the circumferential direction in concrete of a segment and joining adjacent segments to the end of the segment. The present invention relates to a segment for tunnel lining, to which is attached.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来、
セグメント本体の強度アップを図るために鉄筋と形鋼と
で補強されたトンネル覆工用セグメントが知られてい
る。2. Description of the Related Art
2. Description of the Related Art A tunnel lining segment reinforced with a reinforcing bar and a shape steel to increase the strength of a segment body is known.
【０００３】この種のセグメントの円周方向の端部に
は、隣接するセグメントどうしを接合するための継ぎ手
金具が設置され、この継ぎ手金具はセグメント端部のコ
ンクリート中に複数本のアンカー鉄筋によって固定され
ている。[0003] At the circumferential end of this kind of segment, a joint fitting for joining adjacent segments is installed, and this joint fitting is fixed in concrete at the end of the segment by a plurality of anchor reinforcing bars. Have been.
【０００４】[0004]
【発明が解決しようとする課題】従来のトンネル覆工用
セグメントは、以上説明したように構成され、セグメン
ト端部に設置された継ぎ手金具がセグメント端部のコン
クリート中に複数本のアンカー鉄筋によって固定され、
補強用鉄骨材には連結されていないので、セグメント本
体の強度は大きいものの、継ぎ手部の強度が劣り、全体
としても強度が劣る等の課題があった。The conventional segment for tunnel lining is constructed as described above, and the joint fitting installed at the end of the segment is fixed in the concrete at the end of the segment by a plurality of anchor reinforcing bars. And
Since it is not connected to the reinforcing steel frame material, the strength of the segment body is large, but the strength of the joint part is inferior, and the overall strength is inferior.
【０００５】この発明は、以上の課題を解決するために
なされたもので、本体及び継ぎ手部ともに強度アップを
可能にしたトンネル覆工用セグメントを提供することを
目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide a tunnel lining segment capable of increasing the strength of both a main body and a joint.
【０００６】[0006]
【課題を解決するための手段】この発明に係るトンネル
覆工用セグメントは、トンネルの円周方向に連続する複
数の補強用鉄骨材とトンネルの円周方向の両端部に位置
する継ぎ手金具をそれぞれ有するトンネル覆工用セグメ
ントにおいて、補強用鉄骨材はフランジとウェブを有す
る鋼構造材から形成し、継ぎ手金具は前記補強用鉄骨材
の端部に連結されている両端連結部と、連結ボルトを挿
通する複数のボルト孔を有し、前記両端連結部の先端部
に形成されている先端連結部と、この先端連結部の内側
に突設され、前記補強用鉄骨材の端部に連結されている
中間連結部とを有して形成されている。 この発明に係る
請求項２記載のトンネル覆工用セグメントは、請求項１
において、中間連結部と両端連結部の上端部に水平に形
成された補強部、または中間連結部の先端部に突設され
た補強部を有する。 A tunnel according to the present invention.
The lining segment consists of multiple layers that are continuous in the circumferential direction of the tunnel.
Number of reinforcing steel members and located at both circumferential ends of the tunnel
For tunnel lining each having a fitting fitting
Reinforced steel frames have flanges and webs
The joint fitting is made of the above-mentioned steel frame material for reinforcement.
Insert the connecting bolts at both ends connected to the ends of
A plurality of bolt holes through which the front end of the connecting portion at both ends
And the inside of this tip connection
And is connected to an end of the reinforcing steel frame material.
And an intermediate connecting portion. According to this invention
The tunnel lining segment according to the second aspect is the first aspect.
At the upper end of the middle connecting part and both ends connecting part
Projecting at the tip of the reinforcing part or the intermediate connecting part
It has a reinforcing part.
【０００７】[0007]
実施例１．図１〜図３は、この発明に係るトンネル覆工
用セグメントの第一実施例を示し、図において、符号１
はセグメントＡのコンクリート中にトンネルの円周方向
に沿って設置され、セグメントＡの本体を補強する補強
用鉄骨材、２はこの補強用鉄骨材１の周囲に配筋され、
補強用鉄骨材１とともにセグメントＡの本体を補強する
補強鉄筋、３はセグメントＡのトンネル円周方向両端の
コンクリート中に、補強用鉄骨材１の端部に連結して設
置され、後述する第二継ぎ手金具４をボルト止めする第
一継ぎ手金具、４は第一継ぎ手金具３と同様にセグメン
トＡのトンネル円周方向両端のコンクリート中に、第一
継ぎ手金具３にボルト止めして設置され、トンネルの円
周方向に隣接するセグメントA,A どうしを接合する第二
継ぎ手金具、５は第二継ぎ手金具４を第一継ぎ手金具３
にボルト止めする、高力ボルトからなる取付ボルト、そ
して、符号６は隣接するセグメントA,A の第二継ぎ手金
具4,4 どうしを連結する、高力ボルトからなる連結ボル
トである。Embodiment 1 FIG. 1 to 3 show a first embodiment of a segment for tunnel lining according to the present invention.
Is installed along the circumferential direction of the tunnel in the concrete of the segment A, and a reinforcing steel member 2 for reinforcing the body of the segment A is arranged around the reinforcing steel member 1,
Reinforcing reinforcing bars 3 for reinforcing the main body of the segment A together with the reinforcing steel member 1 are installed in the concrete at both ends of the segment A in the circumferential direction of the segment A so as to be connected to the end of the reinforcing steel member 1, The first fitting 4 for bolting the fitting 4 is installed in the concrete at both ends in the circumferential direction of the tunnel of the segment A in the same manner as the first fitting 3 by being bolted to the first fitting 3, and The second joint fitting 5 for joining the segments A, A adjacent in the circumferential direction to each other, the second joint fitting 4 is replaced with the first fitting 3
The reference numeral 6 denotes a connecting bolt formed of a high-strength bolt, and a connecting bolt 6 formed of a high-strength bolt for connecting the second joint fittings 4, 4 of the adjacent segments A, A.
【０００８】補強用鉄骨材１には、例えばＨ形鋼等のよ
うなフランジとウェブ（腹板）とを持つ鋼構造材が使用
され、この補強用鉄骨材１にはセグメントＡの曲率に沿
ってトンネルの円周方向に沿って一定の曲率が付けら
れ、更に、補強用鉄骨材１はトンネルの円周方向に沿っ
て並列に複数本設置されている。For the reinforcing steel member 1, a steel structural material having a flange and a web (belly plate), such as an H-section steel, is used, and the reinforcing steel member 1 follows the curvature of the segment A. A constant curvature is provided along the circumferential direction of the tunnel, and a plurality of reinforcing steel members 1 are installed in parallel along the circumferential direction of the tunnel.
【０００９】第一継ぎ手金具３は補強用鉄骨材１の下部
フランジ1aの縁端部より水平に突出する水平部3aと、こ
の水平部3aの基端部より垂直に立ち上げられ、補強用鉄
骨材１の上下フランジ1a,1a の縁端部に溶接された垂直
部3bとからＬ字状に一体的に形成されている。また、垂
直部3bには取付ボルト５を挿通するボルト孔3cが上下左
右に複数個形成されている。The first joint fitting 3 has a horizontal portion 3a projecting horizontally from the edge of the lower flange 1a of the reinforcing steel frame 1, and a vertical portion rising from the base end of the horizontal portion 3a. It is integrally formed in an L-shape with a vertical portion 3b welded to the edge of the upper and lower flanges 1a, 1a of the material 1. In the vertical portion 3b, a plurality of bolt holes 3c through which the mounting bolts 5 are inserted are formed vertically, horizontally, and vertically.
【００１０】第二継ぎ手金具４は、第一継ぎ手金具３の
左右垂直部3b,3b に添え付けられ、この左右垂直部3b,3
b に取付ボルト５によってボルト止めされた両端連結部
4a,4a と、この両端連結部4a,4a の先端部に形成され、
隣接するセグメントＡの先端部に取り付けられた第二継
ぎ手金具４の先端連結部4bと連結ボルト６によって連結
された先端連結部4bと、この先端連結部4bの内側に突設
され、補強用鉄骨材１のウェブ1bに連結プレート７を介
し、複数本の取付ボルト５によって連結された中間連結
部4cと、この中間連結部4cと両端連結4a,4a の上端部に
水平に形成された補強部4dとを備えて形成されている。The second joint fitting 4 is attached to the left and right vertical parts 3b, 3b of the first joint fitting 3, and the left and right vertical parts 3b, 3b are attached.
b Both ends connected by bolts with mounting bolts 5
4a, 4a, formed at the tip of the both ends connecting portions 4a, 4a,
A tip connecting portion 4b connected by a connecting bolt 6 to a tip connecting portion 4b of a second joint fitting 4 attached to a tip portion of an adjacent segment A, and a reinforcing steel frame projecting inside the tip connecting portion 4b. An intermediate connecting portion 4c connected to the web 1b of the material 1 by a plurality of mounting bolts 5 via a connecting plate 7, and a reinforcing portion formed horizontally at an upper end portion of the intermediate connecting portion 4c and both ends of the connecting portions 4a, 4a. 4d.
【００１１】この第二継ぎ手金具４の両端連結部4a,4a
、先端連結部4b及び補強部4dは、何れも矩形板状に形
成され、かつ、溶接することによって一体的に組み立て
られている。また、中間連結部4cは下辺を斜めにして台
形板状に形成され、先端連結部4bと補強部4dとに一体的
に溶接されている。Both ends connecting portions 4a, 4a of the second fitting 4
The tip connecting portion 4b and the reinforcing portion 4d are both formed in a rectangular plate shape, and are integrally assembled by welding. Further, the intermediate connecting portion 4c is formed in a trapezoidal plate shape with the lower side inclined, and is integrally welded to the distal end connecting portion 4b and the reinforcing portion 4d.
【００１２】中間連結部4cが前記のように台形状に形成
されているのは、先端連結部4bの内側部に取付ボルト５
及び連結ボルト６を締め付けるための充分な空間部Ｂを
確保するためである。The reason why the intermediate connecting portion 4c is formed in a trapezoidal shape as described above is that the mounting bolt 5 is provided inside the distal end connecting portion 4b.
This is to secure a sufficient space B for tightening the connection bolt 6.
【００１３】また、両端連結部4a,4a には取付ボルト５
を挿通するための複数個のボルト孔4e,4e が形成され、
先端連結部4bには連結ボルト６を挿通するための複数個
のボルト孔4fが形成されている。Further, mounting bolts 5 are provided on both end connecting portions 4a, 4a.
A plurality of bolt holes 4e, 4e for inserting
A plurality of bolt holes 4f through which the connecting bolt 6 is inserted are formed in the distal end connecting portion 4b.
【００１４】尚、第二継ぎ手金具４の両端連結部4a,4a
、先端連結部4b、中間連結部4c及び補強部4dは鋳造に
よって一体的に形成してよい。また、第二継ぎ手金具４
は、両端連結部4a,4a を第一継ぎ手金具３の垂直部3bに
溶接して補強用鉄骨材１の端部に取り付けてもよい。Incidentally, both end connecting portions 4a, 4a of the second joint fitting 4 are provided.
The tip connecting portion 4b, the intermediate connecting portion 4c, and the reinforcing portion 4d may be integrally formed by casting. Also, the second fitting 4
May be attached to the end of the reinforcing steel frame 1 by welding both ends connecting portions 4a, 4a to the vertical portion 3b of the first joint fitting 3.
【００１５】実施例２．図４及び図５は、この発明に係
るトンネル覆工用セグメントの第二実施例を示し、図に
おいて、実施例１と同一部分には同一符号を付す。Embodiment 2 FIG. 4 and 5 show a second embodiment of the tunnel lining segment according to the present invention. In the drawings, the same parts as those in the first embodiment are denoted by the same reference numerals.
【００１６】第一継ぎ手金具３及び第二継ぎ手金具４の
高さＬ1 が、補強用鉄骨材１の高さＬ2 より大きく形成
され、また、ボルト孔3c及び4eの上下方向の設置間隔Ｓ
も大きく形成されている。更に、中間連結部4cの先端部
には補強部4gが突設され、この補強部4gは補強用鉄骨材
１の上部フランジ1aの中央部に一体的に溶接されてい
る。The height L 1 of the first fitting 3 and the second fitting 4 is formed to be greater than the height L 2 of the reinforcing steel member 1, and the vertical spacing S between the bolt holes 3c and 4e is set.
Are also large. Further, a reinforcing portion 4g is protruded from a distal end portion of the intermediate connecting portion 4c, and the reinforcing portion 4g is integrally welded to a central portion of the upper flange 1a of the reinforcing steel member 1.
【００１７】第一継ぎ手金具３及び第二継ぎ手金具４が
前記のように形成されていることにより、セグメントＡ
の継ぎ手部における応力中心間距離ｈ（上下連結ボルト
6,6間の距離）が大きくなり、継ぎ手部の曲げ強度が高
められるという効果がある。Since the first fitting 3 and the second fitting 4 are formed as described above, the segment A
Distance between the centers of stress at the joints of
This increases the bending strength of the joint part.
【００１８】実施例３．図６及び図７は、この発明に係
るトンネル覆工用セグメントの第三実施例を示し、図に
おいて、実施例１と同一部分には同一符号を付す。Embodiment 3 FIG. 6 and 7 show a third embodiment of the segment for tunnel lining according to the present invention. In the drawings, the same parts as those in the first embodiment are denoted by the same reference numerals.
【００１９】符号７は、補強用鉄骨材１の下部フランジ
1aの下側に添え付けて溶接され、第二継ぎ手金具４の下
端部を補強用鉄骨材１に連結する連結プレートである。Reference numeral 7 denotes a lower flange of the reinforcing steel frame 1.
This is a connection plate that is attached and welded to the lower side of 1a and connects the lower end of the second joint fitting 4 to the reinforcing steel frame 1.
【００２０】また、第二継ぎ手金具４の先端連結部4bは
末広がりの台形板状に形成され、これに追従するように
両端連結部4a,4a は先端連結部4bの斜辺に沿って内側に
傾斜している。また、両端連結部4a,4a の上端部は補強
用鉄骨材１の上部フランジ1aの縁端部にそれぞれ一体的
に溶接され、下端部は連結プレート７の上に一体的に溶
接され、更に、中間連結部4cは補強用鉄骨材１のウェブ
1bの先端部に突き付けられ、ウェブ1bに一体的に溶接さ
れている。The distal end connecting portion 4b of the second joint fitting 4 is formed in a flared trapezoidal plate shape, and the both end connecting portions 4a, 4a are inclined inward along the oblique sides of the distal end connecting portion 4b so as to follow this. doing. Further, the upper ends of the both ends connecting portions 4a, 4a are integrally welded to the edges of the upper flange 1a of the reinforcing steel member 1, respectively, and the lower ends are integrally welded on the connecting plate 7. The intermediate connecting part 4c is a web of the reinforcing steel material 1.
It is abutted against the tip of 1b and is integrally welded to the web 1b.
【００２１】第二継ぎ手金具４の両端連結部4a,4a 及び
先端連結部4bが前記のように形成されているのは、先端
連結部4bの内側部に連結ボルト６を締め付けるための充
分な空間部Ｂを確保するためである。The connecting portions 4a, 4a and the connecting portion 4b at both ends of the second fitting 4 are formed as described above because there is a sufficient space for tightening the connecting bolt 6 inside the connecting portion 4b. This is for securing the part B.
【００２２】実施例４．図８及び図９は、この発明に係
るトンネル覆工用セグメントの第四実施例を示し、図に
おいて、実施例１と同一部分には同一符号を付し、その
説明を省略する。Embodiment 4 FIG. 8 and 9 show a fourth embodiment of the tunnel lining segment according to the present invention. In the drawings, the same portions as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
【００２３】符号８は、補強用鉄骨材１の両側に設置さ
れ、補強用鉄骨材１及び補強鉄筋２と共にセグメントＡ
を補強する補強用鉄骨材、９は補強用鉄骨材１の端部に
溶接することにより取り付けられ、後述する継ぎ手金具
10が取り付けられるエンドプレート、そして、符号10は
セグメントＡのトンネル円周方向両端のコンクリート中
に、補強用鉄骨材１及び補強用鉄骨材８に連結して設置
され、トンネルの円周方向に隣接するセグメントA,A ど
うしを接合する継ぎ手金具である。Reference numeral 8 denotes a segment A which is installed on both sides of the reinforcing steel frame 1 and which is together with the reinforcing steel frame 1 and the reinforcing bar 2.
Steel member 9 for reinforcing the steel is attached to the end of the reinforcing steel material 1 by welding, and a fitting fitting described later is provided.
End plate to which 10 is attached, and reference numeral 10 is installed in the concrete at both ends in the circumferential direction of the tunnel of the segment A so as to be connected to the reinforcing steel members 1 and 8 and is adjacent to the circumferential direction of the tunnel. This is a fitting for joining the segments A, A to each other.
【００２４】補強用鉄骨材８には溝形鋼が使用され、こ
の補強用鉄骨材１には補強用鉄骨材１と同様にセグメン
トＡの曲率に沿ってトンネルの円周方向に沿って一定の
曲率が付けられ、更に、この補強用鉄骨材８は補強用鉄
骨材１に沿って設置されている。A channel steel is used for the reinforcing steel material 8, and the reinforcing steel material 1 has a constant shape along the curvature of the segment A along the circumferential direction of the tunnel similarly to the reinforcing steel material 1. The reinforcement steel frame 8 is provided along the reinforcement steel frame 1 with a curvature.
【００２５】継ぎ手金具10は左右補強用鉄骨材８のウェ
ブ8aに添え付け、取付ボルト５によってボルト止めされ
た両端連結部10a,10a と、この両端連結部10a,10a の先
端部にこの両端連結部10a,10a と一体的に形成され、隣
接するセグメントＡの先端部に取り付けられた継ぎ手金
具10の先端連結部10b と連結ボルト６によって連結され
た先端連結部10b と、この先端連結部10b の内側に突設
され、エンドプレート９にボルト止め若しくは溶接する
ことにより連結されたされた中間連結部10c とを備えて
形成されている。The joint fitting 10 is attached to the web 8a of the right and left reinforcing steel members 8, and is connected to both ends of the connecting portions 10a, 10a bolted by the mounting bolts 5, and to the ends of the both ends connecting portions 10a, 10a. The tip connecting portion 10b formed integrally with the portions 10a, 10a and connected by the connecting bolt 6 to the tip connecting portion 10b of the joint fitting 10 attached to the tip of the adjacent segment A; An intermediate connecting portion 10c protruding inward and connected to the end plate 9 by bolting or welding.
【００２６】両端連結部10a,10a 及び先端連結部10b
は、いずれも矩形板状に形成され、また、中間連結部10
c はＴ字形状に形成され、溶接によって一体的に組み立
てられている。Both ends connecting portion 10a, 10a and tip connecting portion 10b
Are formed in a rectangular plate shape, and the intermediate connecting portion 10
c is formed in a T-shape and is integrally assembled by welding.
【００２７】また、両端連結部10a,10a には取付ボルト
５を挿通するための複数個のボルト孔10d,10d が形成さ
れ、先端連結部10b には連結ボルト６を挿通するための
複数個のボルト孔10e が形成されている。A plurality of bolt holes 10d, 10d for inserting the mounting bolts 5 are formed in the both end connecting portions 10a, 10a, and a plurality of bolt holes 10d, 10d for inserting the connecting bolts 6 in the tip connecting portion 10b. A bolt hole 10e is formed.
【００２８】尚、継ぎ手金具10の両端連結部10a,10a 、
先端連結部10b 及び中間連結部10cはダクタイル鋳造に
よって一体的に形成してよい。Incidentally, both ends connecting portions 10a, 10a of the joint fitting 10,
The tip connecting portion 10b and the intermediate connecting portion 10c may be integrally formed by ductile casting.
【００２９】実施例５．図10及び図11は、この発明に係
るトンネル覆工用セグメントの第五実施例を示し、図に
おいて、実施例１と同一部分には同一符号を付し、その
説明を省略する。Embodiment 5 FIG. FIGS. 10 and 11 show a fifth embodiment of the tunnel lining segment according to the present invention. In the drawings, the same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
【００３０】符号11は補強用鉄骨材１の先端部に連結プ
レート12を介して取り付けられ、隣接するセグメントA,
A どうしを接合する継ぎ手金具である。Numeral 11 is attached to the tip of the reinforcing steel frame 1 via a connecting plate 12, and adjacent segments A,
A It is a joint fitting that joins together.
【００３１】継ぎ手金具11は連結プレート12の外側に添
え付けられ、この連結プレート12に複数本の取付ボルト
５によってボルト止めされた両端連結部11a,11a と、こ
の両端連結部11a,11a の先端部に形成され、隣接するセ
グメントＡの先端部に取り付けられた継ぎ手金具11の先
端連結部11b と連結ボルト６によって連結された先端連
結部11b と、この先端連結部11b 及び両端連結部11a,11
a の上端部に形成され、補強用鉄骨材１の上部フランジ
1aに複数本の取付ボルト５によってボルト止めされた上
端連結部11c とを備えて形成されている。The joint fitting 11 is attached to the outside of the connecting plate 12, and is connected to the connecting plate 12 with two end connecting portions 11a, 11a bolted by a plurality of mounting bolts 5, and the ends of the both end connecting portions 11a, 11a. A connecting portion 11b of the joint fitting 11 attached to the leading end portion of the adjacent segment A and connected by a connecting bolt 6, the leading end connecting portion 11b, and both end connecting portions 11a, 11a.
The upper flange of the reinforcing steel frame 1 formed at the upper end of
1a is provided with an upper end connecting portion 11c bolted by a plurality of mounting bolts 5.
【００３２】両端連結部11a,11a 及び上端連結部11c に
は取付ボルト５を挿通するための複数個のボルト孔11d
が形成され、また、先端連結部11b には連結ボルト６を
挿通するための複数個のボルト孔11e が形成されてい
る。A plurality of bolt holes 11d through which the mounting bolts 5 are inserted are formed in both end connecting portions 11a, 11a and the upper end connecting portion 11c.
Further, a plurality of bolt holes 11e for inserting the connecting bolt 6 are formed in the distal end connecting portion 11b.
【００３３】更に、この継ぎ手金具11の両端連結部11a
、先端連結部11b 及び上端連結部11c は、原則として
ダクタイル鋳造により一体的に形成されているが、厚手
の鋼板より別々に形成された両端連結部11a 、先端連結
部11b 及び上端連結部11c を溶接により一体的に組み立
てて形成することもできる。Furthermore, both ends connecting portion 11a of this joint fitting 11
The tip connecting portion 11b and the upper end connecting portion 11c are integrally formed in principle by ductile casting, but the both end connecting portion 11a, the tip connecting portion 11b and the upper end connecting portion 11c which are separately formed from a thick steel plate are combined. It can also be formed integrally by welding.
【００３４】[0034]
【発明の効果】この発明は以上説明したように構成さ
れ、セグメントの円周方向に沿って設置された複数本の
フランジとウェブとを持つ鋼構造材によってセグメント
本体が補強され、また、セグメントの端部に設置された
継ぎ手金具は補強用鉄骨材の端部にボルト止め若しくは
溶接によって取り付けられているので、セグメント本体
及び継ぎ手の強度アップが図れる効果がある。According to the present invention, the segment main body is reinforced by a steel structural member having a plurality of flanges and webs installed along the circumferential direction of the segment, and Since the joint fittings installed at the ends are attached to the ends of the reinforcing steel members by bolting or welding, the effect of increasing the strength of the segment body and the joint is achieved.
【００３５】また、隣接するセグメントどうしは、双方
の端部に取り付けられた継ぎ手金具の先端連結部のボル
ト孔に連結ボルトを挿着することにより連結されている
ので、隣接するセグメントどうしを簡単にかつ確実に接
合できる効果もある。Further, since the adjacent segments are connected by inserting a connection bolt into a bolt hole of a tip connection portion of a joint fitting attached to both ends, the adjacent segments can be easily connected to each other. In addition, there is an effect that the bonding can be surely performed.
【図１】この発明に係るトンネル覆工用セグメントの第
一実施例を示す縦断面図である。FIG. 1 is a longitudinal sectional view showing a first embodiment of a segment for tunnel lining according to the present invention.
【図２】図１に示すトンネル覆工用セグメントの端部拡
大縦断面図である。FIG. 2 is an enlarged longitudinal sectional view of an end of the tunnel lining segment shown in FIG.
【図３】図１に示すトンネル覆工用セグメントの継ぎ手
金具の斜視図である。FIG. 3 is a perspective view of a joint fitting of the segment for tunnel lining shown in FIG. 1;
【図４】この発明に係るトンネル覆工用セグメントの第
二実施例を示すトンネル覆工用セグメントの端部拡大縦
断面図である。FIG. 4 is an enlarged longitudinal sectional view of an end portion of a tunnel lining segment showing a second embodiment of the tunnel lining segment according to the present invention.
【図５】図４に示すトンネル覆工用セグメントの継ぎ手
金具の斜視図である。メントの端部拡大縦断面図であ
る。FIG. 5 is a perspective view of a joint fitting of the segment for tunnel lining shown in FIG. 4; FIG. 4 is an enlarged longitudinal sectional view of an end of a ment.
【図６】この発明に係るトンネル覆工用セグメントの第
三実施例を示すトンネル覆工用セグメントの端部拡大縦
断面図である。FIG. 6 is an enlarged longitudinal sectional view of an end portion of a tunnel lining segment showing a third embodiment of the tunnel lining segment according to the present invention.
【図７】図６に示すトンネル覆工用セグメントの継ぎ手
金具の斜視図である。メントの端部拡大縦断面図であ
る。FIG. 7 is a perspective view of a joint fitting of the segment for tunnel lining shown in FIG. 6; FIG. 4 is an enlarged longitudinal sectional view of an end of a ment.
【図８】この発明に係るトンネル覆工用セグメントの第
四実施例を示すトンネル覆工用セグメントの端部拡大縦
断面図である。FIG. 8 is an enlarged vertical sectional view of an end portion of the segment for tunnel lining, showing a fourth embodiment of the segment for tunnel lining according to the present invention.
【図９】図８に示すトンネル覆工用セグメントの継ぎ手
金具の斜視図である。メントの端部拡大縦断面図であ
る。FIG. 9 is a perspective view of a joint fitting of the segment for tunnel lining shown in FIG. 8; FIG. 4 is an enlarged longitudinal sectional view of an end of a ment.
【図１０】この発明に係るトンネル覆工用セグメントの
第五実施例を示すトンネル覆工用セグメントの端部拡大
縦断面図である。FIG. 10 is an enlarged longitudinal sectional view of an end portion of the segment for tunnel lining, showing a fifth embodiment of the segment for tunnel lining according to the present invention.
【図１１】図１０に示すトンネル覆工用セグメントの継
ぎ手金具の斜視図である。メントの端部拡大縦断面図で
ある。FIG. 11 is a perspective view of a joint fitting of the segment for tunnel lining shown in FIG. 10; FIG. 4 is an enlarged longitudinal sectional view of an end of a ment.
１…補強用鉄骨材、２…補強鉄筋、３…第一継ぎ手金
具、４…第二継ぎ手金具、５…取付ボルト、６…連結ボ
ルト、７…連結プレート、８…補強用鉄骨材、９…エン
ドプレート、10…継ぎ手金具、11…継ぎ手金具、12…連
結プレート。DESCRIPTION OF SYMBOLS 1 ... Reinforcement steel material, 2 ... Reinforcing rebar, 3 ... First joint fitting, 4 ... Second joint fitting, 5 ... Mounting bolt, 6 ... Connection bolt, 7 ... Connection plate, 8 ... Reinforcement steel material, 9 ... End plate, 10 ... fitting, 11 ... fitting, 12 ... connecting plate.
───────────────────────────────────────────────────── フロントページの続き (73)特許権者 000230010 ジオスター株式会社 東京都港区芝４丁目２番３号 (73)特許権者 000112749 フジミ工研株式会社 東京都千代田区飯田橋３丁目11番18号 (72)発明者 山本 稔 東京都町田市玉川学園１丁目15番２号 (72)発明者 橋本 博英 東京都中央区八重洲２−６−21 石川島 建材工業株式会社内 (72)発明者 松葉 忠 千葉県我孫子市中峠1604−74 (72)発明者 林 伸郎 神奈川県川崎市麻生区虹ケ丘２−３−16 −301 (72)発明者 大長 唯宏 埼玉県狭山市入間川1434−75 (72)発明者 堀 誠行 千葉県我孫子市東我孫子２−27−11 (56)参考文献 特開 昭50−31637（ＪＰ，Ａ) 特開 昭53−19649（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) E21D 11/08 E21D 11/04 ──────────────────────────────────────────────────続 き Continuation of the front page (73) Patent holder 000230010 Geo 2-32-4, Shiba, Minato-ku, Tokyo (73) Patent holder 000112749 Fujimi Engineering Co., Ltd. 3-1-118 Iidabashi, Chiyoda-ku, Tokyo (72) Inventor Minoru Yamamoto 1-15-2, Tamagawa Gakuen, Machida-shi, Tokyo (72) Inventor Hirohide Hashimoto 2-6-21 Yaesu, Chuo-ku, Tokyo Inside Ishikawajima Building Materials Industry Co., Ltd. (72) Inventor Tadashi Matsuba 1604-74, Nakatoge, Abiko-shi, Chiba (72) Inventor, Shinro Hayashi 2-3-16-301, Nijigaoka, Aso-ku, Kawasaki-shi, Kanagawa (72) Inventor, T. Hiroshi 1434-75, Irumagawa, Sayama, Saitama Inventor Masayuki Hori 2-27-11 Higashi Abiko, Abiko-shi, Chiba (56) References JP-A-50-31637 (JP, A) JP-A-53-19649 (JP, A) (58) Fields investigated (Int .Cl. 6 , DB name) E2 1D 11/08 E21D 11/04
Claims (2)
強用鉄骨材とトンネルの円周方向の両端部に位置する継
ぎ手金具をそれぞれ有するトンネル覆工用セグメントに
おいて、補強用鉄骨材はフランジとウェブを有する鋼構
造材から形成し、継ぎ手金具は前記補強用鉄骨材の端部
に連結されている両端連結部と、連結ボルトを挿通する
複数のボルト孔を有し、前記両端連結部の先端部に形成
されている先端連結部と、この先端連結部の内側に突設
され、前記補強用鉄骨材の端部に連結されている中間連
結部とを有して形成してあることを特徴とするトンネル
覆工用セグメント。 1. A plurality of supplements which are continuous in a circumferential direction of a tunnel.
Heavy steel frame and joints located at both circumferential ends of the tunnel
For tunnel lining segments each having a hook
In this case, the reinforcing steel is a steel structure with a flange and a web.
It is formed from a building material, and the joint fitting is an end of the reinforcing steel frame material.
Insert the connecting bolts at both ends connected to the
It has a plurality of bolt holes and is formed at the end of the connecting portion at both ends.
And a protruding inside of this tip connection
And an intermediate link connected to an end of the reinforcing steel material
A tunnel formed with a tie
Lining segment.
に形成された補強部、または中間連結部の先端部に突設
された補強部を有することを特徴とする請求項１記載の
トンネル覆工用セグメント。 2. An upper end portion of the intermediate connecting portion and the both end connecting portions is horizontal.
Projecting from the reinforcing part formed at the front end of the intermediate connecting part
The reinforcing member according to claim 1, wherein the reinforcing member is provided.
Segment for tunnel lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6003658A JP2944064B2 (en) | 1994-01-18 | 1994-01-18 | Segment for tunnel lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6003658A JP2944064B2 (en) | 1994-01-18 | 1994-01-18 | Segment for tunnel lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07208087A JPH07208087A (en) | 1995-08-08 |
| JP2944064B2 true JP2944064B2 (en) | 1999-08-30 |
Family
ID=11563568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6003658A Expired - Fee Related JP2944064B2 (en) | 1994-01-18 | 1994-01-18 | Segment for tunnel lining |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2944064B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3635181B2 (en) * | 1997-02-24 | 2005-04-06 | ダウ コーニング アジア株式会社 | Composition for forming peelable cured film |
-
1994
- 1994-01-18 JP JP6003658A patent/JP2944064B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07208087A (en) | 1995-08-08 |
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