JP2988437B2 - Segment joint structure - Google Patents
Segment joint structureInfo
- Publication number
- JP2988437B2 JP2988437B2 JP9135441A JP13544197A JP2988437B2 JP 2988437 B2 JP2988437 B2 JP 2988437B2 JP 9135441 A JP9135441 A JP 9135441A JP 13544197 A JP13544197 A JP 13544197A JP 2988437 B2 JP2988437 B2 JP 2988437B2
- Authority
- JP
- Japan
- Prior art keywords
- segments
- segment
- joint
- load
- tunnel
- 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
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- Lining And Supports For Tunnels (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、特に複数の小断
面シールドトンネルを近接して施工し、この小断面シー
ルドトンネル間を接合して一体化し、かつその内側を掘
削して大断面トンネルを構築する際に、セグメント同士
を接合するセグメントの接合部構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention particularly relates to constructing a plurality of small-section shield tunnels close to each other, joining and integrating the small-section shield tunnels, and excavating the inside thereof to construct a large-section tunnel. The present invention relates to a joint structure of segments for joining segments.
【０００２】[0002]
【従来の技術】当出願人は、これまで大断面トンネルを
効率良く、かつ経済的に構築する方法として、例えば図
７と図８に図示するように、複数の小断面シールドトン
ネルａを近接して掘進し、この小断面シールドトンネル
ａ同士を互いに接合し、かつ各小断面シールドトンネル
ａ内および小断面シールドトンネルa,a 間の接合部にコ
ンクリートをそれぞれ打設して大断面のシールドを構築
し、さらにこの大断面のシールド内を在来工法によって
掘削することにより、大断面トンネルを構築する方法を
開発した。2. Description of the Related Art As a method for constructing a large-section tunnel efficiently and economically, the present applicant has previously proposed a method in which a plurality of small-section shield tunnels a are arranged close to each other as shown in FIGS. The small-section shield tunnels a are joined to each other, and concrete is cast into each small-section shield tunnel a and at the junction between the small-section shield tunnels a to construct a large-section shield tunnel. Furthermore, a method to construct a large-section tunnel by excavating the inside of this large-section shield by a conventional method was developed.
【０００３】この場合、各小断面シールドトンネルａの
内周は鋼製セグメントで覆工されるが、その際小断面シ
ールドトンネルa,a 間の接合部イ（図８参照）におい
て、大断面トンネルの周方向に隣接する鋼製セグメント
の主桁同士を連結することにより、鋼製セグメントを大
断面トンネルＡの構造部材（特に引っ張り抵抗材）とし
て有効に働かせることができる。このため、鋼製セグメ
ントを大断面トンネルの構造部材として有効に働かせる
には、小断面シールドトンネルa,a 間の接合部イにおい
て、鋼製セグメント同士を確実に接合することが必要で
ある。[0003] In this case, the inner periphery of each small-section shield tunnel a is lined with a steel segment. At this time, at the junction A between the small-section shield tunnels a, a (see FIG. 8), a large-section tunnel is formed. By connecting the main girders of the steel segments adjacent in the circumferential direction to each other, the steel segments can effectively function as structural members (particularly, tensile resistance materials) of the large-section tunnel A. For this reason, in order for the steel segments to function effectively as structural members of the large-section tunnel, it is necessary to securely join the steel segments at the junction A between the small-section shield tunnels a.
【０００４】[0004]
【発明が解決しようとする課題】しかし、接合部イにお
ける鋼製セグメント同士の接合部には、小断面シールド
トンネルａの掘進時にシールド機がトンネル軸方向（Ｘ
方向）、トンネル軸直角方向（Ｙ方向）およびトンネル
鉛直方向（Ｚ方向）に移動することにより生ずる誤差
と、シールド機がトンネル軸方向、トンネル軸直角方向
およびトンネル鉛直方向を軸にそれぞれ回転移動（ロー
リング、ピッチング、ヨーイング）することにより生じ
る誤差とが組み合わさって三次元的な相対誤差が発生す
る（図９(a)〜(g) 参照）。However, at the joint between the steel segments at the joint a, when the shield machine is excavated in the small-section shield tunnel a, the shield machine is moved in the tunnel axial direction (X).
Direction), the error caused by moving in the direction perpendicular to the tunnel axis (Y direction) and the direction vertical to the tunnel (Z direction), and the rotation of the shield machine around the tunnel axis direction, the direction perpendicular to the tunnel axis, and the vertical direction of the tunnel. An error caused by rolling, pitching, and yawing is combined to generate a three-dimensional relative error (see FIGS. 9A to 9G).
【０００５】このため、通常用いられている溶接接合や
添接板を使用した摩擦接合などの接合方法では、施工が
困難である等の理由から要求品質を充分満足できない等
の課題があった。[0005] For this reason, there has been a problem that the required quality cannot be sufficiently satisfied due to the difficulty of construction and the like in the joining method such as welding or friction joining using a contact plate which is usually used.
【０００６】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、特に小断面シールドトンネル間の接合
部イにおける鋼製セグメント同士の三次元的な相対誤差
を吸収して鋼製セグメントどうしを確実にかつ容易に接
合できるようにしたセグメントの接合部構造を提供する
ことを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and in particular, absorbs a three-dimensional relative error between steel segments at a joint portion between small-sized shield tunnels so that the steel segments are joined to each other. It is an object of the present invention to provide a joint structure of segments which can reliably and easily join the segments.
【０００７】[0007]
【課題を解決するための手段】以上の課題を解決するた
めに、この発明に係るセグメントの接合部構造は、セグ
メント接合金具を、連結棒とその両端部に所定間隔に突
出する複数の耐荷板とから形成し、このセグメント接合
金具を隣接する前記セグメント間に架け渡すとともに、
両端の耐荷板を前記セグメントの端部に形成された凹状
継手にそれぞれ係合し、かつ前記耐荷板と前記凹状継手
との間隙に充填材を充填することにより構成されてい
る。In order to solve the above-mentioned problems, a segment joint structure according to the present invention comprises a plurality of load-bearing plates projecting from a connecting rod and both ends thereof at predetermined intervals. And, while bridging this segment joining bracket between the adjacent segments,
The load-bearing plates at both ends are respectively engaged with concave joints formed at the ends of the segments, and the gap between the load-bearing plate and the concave joint is filled with a filler.
【０００８】耐荷板は連結棒の両端部に固定ナットで両
側から挟み付けて取り付けられ、また連結棒は複数部分
に分割され、かつこの複数部分を連結ボルトで連結する
ことにより形成されている。[0008] The load-bearing plate is attached to both ends of the connecting rod by sandwiching them with fixing nuts from both sides, and the connecting rod is divided into a plurality of parts and formed by connecting the plurality of parts with connecting bolts.
【０００９】さらに、凹状継手の内側に耐荷リブを所定
間隔に複数突設し、また充填材としてコンクリート、モ
ルタル、高強度コンクリート、無収縮モルタルまたは合
成樹脂材などが使用されている。Further, a plurality of load-bearing ribs are provided at predetermined intervals inside the concave joint, and concrete, mortar, high-strength concrete, non-shrink mortar, synthetic resin, or the like is used as a filler.
【００１０】[0010]
【発明の実施の形態】図１〜図５は、この発明の実施の
一形態を示し、図において小断面シールドトンネルａを
複数互いに近接させて並列に掘進し、この小断面シール
ドトンネルａどうしを互いに接合し、かつ各小断面シー
ルドトンネルａ内および小断面シールドトンネルa,a 間
の接合部イにコンクリートｂを連続して打設することに
より、矩形大断面のシールドが構築されている。また、
シールド内は在来工法によて掘削され、このようにして
大断面のシールドトンネルＡが構築されている（図１参
照）。1 to 5 show an embodiment of the present invention. In the drawings, a plurality of small-section shield tunnels a are dug in parallel with each other so as to be close to each other. A rectangular large-section shield is constructed by joining together and continuously casting concrete b in each small-section shield tunnel a and at the junction a between the small-section shield tunnels a. Also,
The inside of the shield is excavated by a conventional construction method, and thus a large-section shield tunnel A is constructed (see FIG. 1).
【００１１】各小断面シールドトンネルａの内周は複数
の鋼製セグメント１でそれぞれ覆工され、また隣接する
小断面シールドトンネルa,a どうしは複数のセグメント
接合金具２によってそれぞれ接合されている。さらに、
各小断面シールドトンネルａ内にはＨ形鋼などの形鋼や
平鋼などからなる補剛柱３と補剛ばり４がそれぞれ複数
設置されている。The inner periphery of each small-section shield tunnel a is covered with a plurality of steel segments 1, and the adjacent small-section shield tunnels a are joined to each other by a plurality of segment joining fittings 2. further,
In each small-section shield tunnel a, a plurality of stiffening columns 3 and a plurality of stiffening beams 4 made of a shaped steel such as an H-beam or a flat steel are provided.
【００１２】鋼製セグメント１は、各小断面シールドト
ンネルａの周方向に中主桁1aと側主桁1bをそれぞれ複数
平行に設置するとともに、この中主桁1a,1a 間、中主桁
1aと側主桁1b間に縦リブ1cを所定間隔に複数取り付け、
さらにこれらの部材によって格子状に構成された骨組の
外側に面板1dを取り付けることにより矩形板状に構成さ
れている（図２参照）。In the steel segment 1, a plurality of middle main girders 1a and side main girders 1b are installed in the circumferential direction of each small-section shield tunnel a in parallel with each other.
A plurality of vertical ribs 1c are attached at predetermined intervals between 1a and the side main girder 1b,
Further, a rectangular plate is formed by attaching a face plate 1d to the outside of a frame formed in a lattice by these members (see FIG. 2).
【００１３】中主桁1a、側主桁1bおよび縦リブ1cは、い
ずれも平鋼、またはＨ形鋼やＩ形鋼などの形鋼から形成
され、面板1dは鋼板から形成され、これらの部材は溶接
または接合ボルトなどによって互いに一体的に接合され
ている。The main main girder 1a, the side main girder 1b, and the vertical rib 1c are all formed of flat steel or a shaped steel such as an H-shaped steel or an I-shaped steel, and the face plate 1d is formed of a steel plate. Are integrally joined to each other by welding or joining bolts.
【００１４】セグメント接合金具２は、平鋼、形鋼、鉄
筋またはＰＣ鋼材（ＰＣ鋼棒、ＰＣ鋼より線）などから
なる連結棒５の両端部に、耐荷板６を所定間隔に複数突
設することにより形成され、また複数の耐荷板６は隣接
する中主桁1a,1a 間、中主桁1aと側主桁1b間にそれぞれ
嵌め込める大きさに形成されている。A plurality of load-bearing plates 6 are provided at predetermined intervals on both ends of a connecting rod 5 made of flat steel, shaped steel, reinforcing steel, PC steel (PC steel rod, PC steel stranded wire), or the like. The plurality of load-bearing plates 6 are formed to have a size that can be fitted between the adjacent middle main girders 1a, 1a, and between the middle main girder 1a and the side main girder 1b.
【００１５】このように形成されたセグメント接合金具
２は、隣接する小断面シールドトンネルa,a の上端部間
と下端部間にそれぞれ複数架け渡され、また両端の耐荷
板６は隣接する中主桁1a,1a 間、中主桁1aと側主桁1b間
にそれぞれ嵌め込まれている。A plurality of the segment joining metal fittings 2 formed as described above are bridged between the upper end and the lower end of the adjacent small-section shield tunnels a, a, respectively. They are fitted between the girders 1a, 1a, and between the middle main girder 1a and the side main girder 1b, respectively.
【００１６】隣接する中主桁1a,1a 間、中主桁1aと側主
桁1b間の端部には、中主桁1a,1a と縦リブ1c、中主桁1a
と側主桁1bと縦リブ1cとからそれぞれなる凹状継手７が
箱状に形成され、また凹状継手７の内側に耐荷リブ7aが
が所定間隔に複数突設されている。さらに、この凹状継
手７には、耐荷板６を係合した後、モルタル、高強度コ
ンクリート、無収縮モルタルまたは合成樹脂材などから
なる充填材８が充填されている。At the end between the adjacent main girders 1a, 1a and between the main main girder 1a and the side main girder 1b, the main main girder 1a, 1a and the vertical rib 1c,
A concave joint 7 is formed in the shape of a box. The concave joint 7 has a box-like shape, and a plurality of load-bearing ribs 7a are protruded from the concave joint 7 at predetermined intervals. After the concave joint 7 is engaged with the load-bearing plate 6, the concave joint 7 is filled with a filler 8 made of mortar, high-strength concrete, non-shrink mortar, synthetic resin, or the like.
【００１７】なお、充填材８としてモルタル、高強度コ
ンクリート、無収縮モルタルまたは合成樹脂材を凹状継
手７にのみ充填することにより充填性を高めることがで
きるが、小断面シールドトンネルa,a 間の接合部に充填
されるコンクリートと同じものを接合部と同時に充填し
てもよい。また、特に無収縮モルタルや合成樹脂材はき
わめて高価なものなので、凹状継手７内のごく限られた
部分にのみ充填するのが望ましい。The filling property can be enhanced by filling only the concave joint 7 with mortar, high-strength concrete, non-shrink mortar, or synthetic resin material as the filler 8, but it is possible to improve the filling property. The same concrete as the concrete filled in the joint may be filled simultaneously with the joint. In particular, since non-shrink mortar and synthetic resin are extremely expensive, it is desirable to fill only a very limited portion of the concave joint 7.
【００１８】このようにして、セグメント接合金具２の
耐荷板６は鋼製セグメント１の端部に一体的に固着さ
れ、かくして隣接する小断面シールドトンネルａどうし
が複数のセグメント接合金具２を介して互いに接合され
ている。そして、鋼製セグメント１とセグメント接合金
具２間の、主に引張応力は複数の耐荷板６と充填材８と
複数の耐荷リブ7aとを介して伝達され、かくして隣接す
る小断面シールドトンネルa,a 間の引張応力が伝達され
る。In this manner, the load-bearing plate 6 of the segment joint 2 is integrally fixed to the end of the steel segment 1, and thus the adjacent small-section shield tunnels a are connected via the plurality of segment joints 2. Are joined together. The tensile stress between the steel segment 1 and the segment joint 2 is mainly transmitted through the plurality of load-bearing plates 6, the filler 8, and the plurality of load-bearing ribs 7a. The tensile stress between a is transmitted.
【００１９】なお、セグメント接合金具２の連結棒５を
２本の連結棒5aを複数の高力ボルト９で連結して形成す
ることにより、セグメント接合金具２を中央部分で二つ
に分割できるように部品化することにより、運搬、搬入
および取り付けの際の、軽量化による作業性の向上を図
ることができる（図２参照）。またその際、高力ボルト
９のボルト孔（図省略）を長孔にして連結棒５の長さを
自由に調整できるようにすることにより、隣接する小断
面シールドトンネルa,a 間の設置間隔にも自由に対応で
きる。By forming the connecting rod 5 of the segment connecting metal 2 by connecting the two connecting rods 5a with a plurality of high-strength bolts 9, the segment connecting metal 2 can be divided into two at the center. By making them into parts, the workability can be improved by weight reduction during transportation, carrying in, and mounting (see FIG. 2). At this time, the bolt holes (not shown) of the high-strength bolts 9 are elongated so that the length of the connecting rod 5 can be freely adjusted, so that the installation interval between adjacent small-section shield tunnels a and a can be adjusted. Can respond freely.
【００２０】さらに、連結棒５の両端部に雄ねじ部を形
成し、この雄ねじ部に耐荷板６を固定ナット10で両側か
ら挟み付けて取り付ければ、耐荷板６を連結棒５の両端
部に必要な数だけきわめて簡単に取り付けることがで
き、また耐荷板６の設置間隔を自由に調節できる（図６
参照）。Further, when male threads are formed at both ends of the connecting rod 5 and the load-bearing plates 6 are attached to the male screw sections by being clamped from both sides with fixing nuts 10, the load-bearing plates 6 are required at both ends of the connecting rod 5. It can be installed very easily as many as possible, and the installation interval of the load-bearing plate 6 can be freely adjusted (FIG. 6).
reference).
【００２１】隣接する小断面シールドトンネルa,a 同士
がこのように接合されていることにより、凹状継手７内
に充填材８を充填する前に、セグメント接合金具２を任
意の方向に向けることによって、小断面シールドトンネ
ルa,a 間の接合部における鋼製セグメント１同士の三次
元的な相対誤差を容易に吸収できて鋼製セグメント１同
士を容易にかつ確実に接合することができる。Since the adjacent small-section shield tunnels a and a are joined to each other in this manner, the segment joining metal fitting 2 can be oriented in an arbitrary direction before filling the filling material 8 into the concave joint 7. The three-dimensional relative error between the steel segments 1 at the joint between the small-section shield tunnels a, a can be easily absorbed, and the steel segments 1 can be easily and reliably joined to each other.
【００２２】なお、発明の実施の形態では、小断面シー
ルドトンネルa,a 間の接合部における鋼製セグメント１
同士の接合部構造について説明したが、単に単体トンネ
ルの内周を覆工するセグメント同士の接合にも適用でき
ることはいうまでもなく、またコンクリート製セグメン
ト同士の接合部にも適用できることもいうまでもなく、
さらに矩形状シールドトンネルおよび円形状シールドト
ンネルを構築するいずれのセグメント同士の接合にも適
用できることもいうまでもない。In the embodiment of the invention, the steel segment 1 at the junction between the small-section shield tunnels a, a
Although the structure of the joints between them has been described, it is needless to say that the present invention can be applied to the joints between the segments lining the inner periphery of the single tunnel, and also to the joints between the concrete segments. Not
Further, it goes without saying that the present invention can be applied to the joining of any segments for constructing a rectangular shield tunnel and a circular shield tunnel.
【００２３】[0023]
【発明の効果】この発明に係るセグメントの接合部構造
は、以上説明した構成からなり、特にセグメント接合金
具を、連結棒とその両端部に所定間隔に突設された複数
の耐荷板とから形成し、このセグメント接合金具を隣接
する前記セグメント間に架け渡すとともに、両端の耐荷
板を前記セグメントの端部に形成された箱状継手にそれ
ぞれ係合し、かつ前記耐荷板と前記凹状継手との間隙に
充填材を充填することにより鋼製セグメント同士が接合
されているので、前記耐荷板と前記凹状継手との間隙に
充填材を充填する前に、セグメント接合金具を任意の方
向に向けることによって小断面シールドトンネル間の接
合部におけるセグメント同士の三次元的な相対誤差を容
易に吸収できてセグメント同士を確実かつ容易に接合で
きる等の効果がある。The joint structure of the segment according to the present invention has the above-described structure. In particular, the segment joint is formed by a connecting rod and a plurality of load-bearing plates protruding from both ends thereof at predetermined intervals. And, while bridging the segment joining bracket between the adjacent segments, the load-bearing plates at both ends are respectively engaged with box-shaped joints formed at the ends of the segments, and the load-bearing plates and the concave joints are connected to each other. Since the steel segments are joined to each other by filling the gap with the filler, before filling the gap between the load-bearing plate and the concave joint with the filler, the segment joining bracket is oriented in an arbitrary direction. The three-dimensional relative error between the segments at the junction between the small-section shield tunnels can be easily absorbed and the segments can be reliably and easily joined. .
【図１】大断面トンネルの断面図である。FIG. 1 is a sectional view of a large section tunnel.
【図２】鋼製セグメントの一部斜視図である。FIG. 2 is a partial perspective view of a steel segment.
【図３】鋼製セグメント接合部の一部断面図である。FIG. 3 is a partial cross-sectional view of a steel segment joint.
【図４】図３におけるａ−ａ線断面図である。FIG. 4 is a sectional view taken along line aa in FIG. 3;
【図５】図３におけるｂ−ｂ線断面図である。FIG. 5 is a sectional view taken along line bb in FIG. 3;
【図６】図３におけるａ−ａ線断面図である。FIG. 6 is a sectional view taken along line aa in FIG. 3;
【図７】大断面トンネルの一部斜視図である。FIG. 7 is a partial perspective view of a large-section tunnel.
【図８】大断面トンネルの断面図である。FIG. 8 is a sectional view of a large section tunnel.
【図９】(a),(b),(c),(d),(e),(f),(g) は、掘進中の小
断面シールドトンネルの挙動を示す斜視図である。9 (a), (b), (c), (d), (e), (f), and (g) are perspective views showing the behavior of a small-section shield tunnel during excavation.
１ 鋼製セグメント 1a 中主桁 1b 側主桁 1c 縦リブ 1d 面板 ２ セグメント接合金具 ３ 補剛柱 ４ 補剛梁 ５ 連結棒 ６ 耐荷板 ７ 凹状継手 ８ 充填材 ９ 高力ボルト 10 固定ナット DESCRIPTION OF SYMBOLS 1 Steel segment 1a Middle main girder 1b Side main girder 1c Vertical rib 1d Face plate 2 Segment joint fitting 3 Stiffening column 4 Stiffening beam 5 Connecting rod 6 Load-bearing plate 7 Concave joint 8 Filling material 9 High-strength bolt 10 Fixing nut
フロントページの続き (56)参考文献 特開 平10−115176（ＪＰ，Ａ) 特開 平９−296693（ＪＰ，Ａ) 特開 平８−199989（ＪＰ，Ａ) 登録実用新案3024873（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) E21D 11/04 E21D 11/14 Continuation of the front page (56) References JP-A-10-115176 (JP, A) JP-A-9-296693 (JP, A) JP-A-8-199989 (JP, A) Registered utility model 3024873 (JP, U (58) Fields surveyed (Int. Cl. 6 , DB name) E21D 11/04 E21D 11/14
Claims (5)
同士をセグメント接合金具を介して接合するセグメント
の接合部構造において、前記セグメント接合金具を、連
結棒とその両端部に所定間隔に突出する複数の耐荷板と
から形成し、このセグメント接合金具を隣接する前記セ
グメント間に架け渡すとともに、両端の前記耐荷板を前
記セグメントの端部に形成された凹状継手にそれぞれ係
合し、かつ前記耐荷板と前記凹状継手との間隙に充填材
を充填してなることを特徴とするセグメントの接合部構
造。1. A segment joint structure for joining segments adjacent to each other in a circumferential direction of a tunnel through a segment joining metal fitting, wherein said segment joining metal fitting includes a plurality of connecting rods and a plurality of protrusions projecting from both ends thereof at predetermined intervals. Formed from a load-bearing plate, and spanning the segment joining bracket between the adjacent segments, engaging the load-bearing plates at both ends with concave joints formed at the ends of the segments, respectively, and A joint structure of segments, wherein a gap between the concave joint and the joint is filled with a filler.
両側から挟み付けて取り付けて形成してなることを特徴
とする請求項第１項記載のセグメントの接合部構造。2. The joint structure for a segment according to claim 1, wherein a load-bearing plate is formed by being attached to both ends of the connecting rod by fixing nuts from both sides.
数部分を連結ボルトで連結して形成してなることを特徴
とする請求項第１項または第２項記載のセグメントの接
合部構造。3. The segment joint structure according to claim 1, wherein the connecting rod is divided into a plurality of portions, and the plurality of portions are connected by connecting bolts. .
複数突設してなることを特徴とする請求項第１項、第２
項または第３項記載のセグメントの接合部構造。4. A structure according to claim 1, wherein a plurality of load-bearing ribs are provided at predetermined intervals inside the concave joint.
Item 4. The joint structure of segments according to item 3 or 3.
ト、無収縮モルタルまたは合成樹脂材であることを特徴
とする請求項第１項、第２項、第３項または第４項記載
のセグメントの接合部構造。5. The joining of segments according to claim 1, wherein the filler is mortar, high-strength concrete, non-shrink mortar, or synthetic resin material. Part structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9135441A JP2988437B2 (en) | 1997-05-26 | 1997-05-26 | Segment joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9135441A JP2988437B2 (en) | 1997-05-26 | 1997-05-26 | Segment joint structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10325296A JPH10325296A (en) | 1998-12-08 |
| JP2988437B2 true JP2988437B2 (en) | 1999-12-13 |
Family
ID=15151801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9135441A Expired - Lifetime JP2988437B2 (en) | 1997-05-26 | 1997-05-26 | Segment joint structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2988437B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4627209B2 (en) * | 2005-03-31 | 2011-02-09 | 鹿島建設株式会社 | Tunnel joining method |
| JP4719088B2 (en) * | 2006-06-01 | 2011-07-06 | 新日本製鐵株式会社 | segment |
| JP4610017B2 (en) * | 2007-04-26 | 2011-01-12 | 鹿島建設株式会社 | Widening shield excavator lining material |
| KR101438252B1 (en) * | 2010-04-16 | 2014-09-04 | 김명길 | The block for the submarine tunnel |
| JP7214445B2 (en) * | 2018-11-12 | 2023-01-30 | 清水建設株式会社 | Joint structure of panel structure |
| JP7134069B2 (en) * | 2018-11-12 | 2022-09-09 | 清水建設株式会社 | Lining frame structure and construction method for lining frame structure |
| CN110630287B (en) * | 2019-08-29 | 2021-05-28 | 上海隧道工程有限公司 | High-strength joint construction device suitable for composite cavity member |
| JP7403390B2 (en) * | 2020-06-01 | 2023-12-22 | 鹿島建設株式会社 | Synthetic structure and method of constructing the synthetic structure |
-
1997
- 1997-05-26 JP JP9135441A patent/JP2988437B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10325296A (en) | 1998-12-08 |
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