JP2002070489A - Segment and its joint structure - Google Patents
Segment and its joint structureInfo
- Publication number
- JP2002070489A JP2002070489A JP2000256410A JP2000256410A JP2002070489A JP 2002070489 A JP2002070489 A JP 2002070489A JP 2000256410 A JP2000256410 A JP 2000256410A JP 2000256410 A JP2000256410 A JP 2000256410A JP 2002070489 A JP2002070489 A JP 2002070489A
- Authority
- JP
- Japan
- Prior art keywords
- segment
- dovetail
- segments
- tapered
- joint
- 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
- Lining And Supports For Tunnels (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、トンネル等の構築
に用いられるセグメント及びその接合構造に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a segment used for constructing a tunnel or the like and a joint structure thereof.
【０００２】[0002]
【従来の技術】例えば、シールド工法でトンネルを構築
する場合のセグメントどうしのリング接合は、従来、湾
曲方向に並ぶ接合端面を構成する継手板に予めボルト挿
通孔を形成しておき、互いに当接された継手板どうしの
ボルト挿通孔にボルトを挿通させてこれにナットを螺着
することにより行っている。2. Description of the Related Art For example, ring joining between segments when a tunnel is constructed by a shield method is conventionally performed by forming bolt insertion holes in advance in a joint plate constituting a joining end face arranged in a curved direction and abutting each other. The bolts are inserted into the bolt insertion holes of the joint plates and the nuts are screwed into the bolts.
【０００３】[0003]
【発明が解決しようとする課題】セグメントどうしの接
合には、良好な作業性と大きい強度を求められている。
しかし上記従来の接合方式では、多数のボルトを、一々
ボルト挿通孔に挿通させてナットを螺着し、そのナット
を所定の締付力で締め付けなければならないため、非常
に手間がかかり、また局部的な接合のため、接合強度に
劣るという問題点がある。In order to join segments, good workability and high strength are required.
However, in the above-mentioned conventional joining method, a large number of bolts are inserted into the bolt insertion holes one by one, and a nut is screwed in, and the nut must be tightened with a predetermined tightening force. There is a problem that the joining strength is poor due to the effective joining.
【０００４】ところで、２部材の接合手段として、蟻と
蟻溝が一般に知られている。ところが、この接合手段
は、図６と図７に示すように、トンネルの長手方向に見
てＣ字状に組み付けられた複数のセグメントＡ，Ｂの開
口端のセグメント（Ｂ形セグメント）Ｂと、２個のＢ形
セグメントＢ，Ｂの間に最終的に組み付けられてリング
を完成するセグメント（Ｋ形セグメント）Ｋの場合、セ
グメントＫの組付け方向に先細り状に傾斜したセグメン
ト湾曲方向に並ぶ２つの先細り傾斜接合端面Ｋｍ，Ｋｍ
と、２つのセグメントＢの組付け方向に先広り状に傾斜
したセグメント湾曲方向に並ぶ先広り傾斜接合端面Ｂ
ｍ，Ｂｍとを、セグメントＫの組付け移動で同時に接合
する必要があるため、通常の蟻及び蟻溝を採用すること
ができない。[0004] As a means for joining two members, a dovetail and a dovetail groove are generally known. However, as shown in FIGS. 6 and 7, this joining means includes a plurality of segments A and B, which are assembled in a C-shape when viewed in the longitudinal direction of the tunnel, and a segment (B-shaped segment) B at the open end; In the case of a segment (K-shaped segment) K that is finally assembled between the two B-shaped segments B, B to complete the ring, the segments K are tapered in the direction in which the segment K is assembled and are arranged in the segment bending direction. Tapered inclined joint end surfaces Km, Km
And a divergent inclined joining end face B lined in the segment bending direction inclined in a divergent manner in the mounting direction of the two segments B
Since m and Bm need to be joined together by the assembling movement of the segment K, ordinary ants and dovetail grooves cannot be adopted.
【０００５】本発明の課題は上記従来の問題点を解決す
ることであり、作業性が良く、また強固な接合強度が得
られるセグメント及びその接合構造を提供することを目
的とする。An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a segment having good workability and capable of obtaining a strong joining strength and a joining structure thereof.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
めに、請求項１記載の発明は、湾曲方向に並ぶ接合端面
が、組付け方向に先細り状に傾斜した先細り傾斜接合端
面とされたセグメントにおいて、上記先細り傾斜接合端
面に、組付け方向に先細りの蟻又は先広りの蟻溝を設け
た構成とした。In order to achieve the above object, according to the first aspect of the present invention, the joining end faces arranged in the bending direction are tapered and inclined joining end faces which are tapered in the assembling direction. In the segment, a tapered dove or a widened dovetail groove is provided in the assembling direction on the tapered inclined joint end face.
【０００７】また、請求項２記載の発明は、湾曲方向に
並ぶ接合端面が、組付け方向に先広り状に傾斜した先広
り傾斜接合端面とされたセグメントにおいて、上記先広
り傾斜接合端面に、組付け方向に先細りの蟻溝又は先広
りの蟻を設けた構成とした。According to a second aspect of the present invention, in the segment in which the joining end faces aligned in the bending direction are tapered and inclined joining end faces that are inclined in a mounting direction, the tapered and tapered joints. The end face was provided with a tapered dovetail or a tapered dove in the mounting direction.
【０００８】この手段では、請求項１記載のセグメント
（Ｋ形セグメント）を組付け方向、つまり切羽側から坑
口側に移動させて先細りの蟻又は先広りの蟻溝を、請求
項２記載のセグメント（Ｂ形セグメント）の先細りの蟻
溝又は先広りの蟻に嵌め付ける。この場合、Ｋ形セグメ
ントの組付け移動の途中から蟻が蟻溝に徐々に嵌まり込
んで最終的に蟻と蟻溝がその全長にわたって緊密に嵌合
する。従来のセグメントと違ってボルトの挿通操作やナ
ットの締付け操作が不要である。In this means, the segment (K-shaped segment) described in claim 1 is moved in the mounting direction, that is, from the face side to the wellhead side, to form a tapered dove or a widened dovetail. The segment (B-shaped segment) is fitted into a tapered dovetail or a widened dovetail. In this case, the ants gradually fit into the dovetail groove during the assembly movement of the K-shaped segment, and the dovetail and the dovetail groove finally fit tightly over the entire length. Unlike the conventional segment, the bolt insertion operation and the nut tightening operation are unnecessary.
【０００９】上記で、蟻が蟻溝に嵌まり込みはじめる嵌
合開始点は、通常、Ｋ形セグメントに蟻が設けられると
ともにＢ形セグメントに蟻溝が設けられている場合、Ｂ
形セグメントの坑口側湾曲接合面における蟻溝の溝底、
より正確には、Ｋ形セグメントの蟻の突出高さに一致し
た位置に下した垂線がＢ形セグメントの先広り傾斜接合
端面に交わる点とされ、また、Ｋ形セグメントに蟻溝が
設けられるとともにＢ形セグメントに蟻が設けられてい
る場合は、Ｂ形セグメントの坑口側湾曲接合面における
Ｂ形セグメントの傾斜接合端面位置（蟻の付け根部分）
に下ろした垂線がＢ形セグメントの蟻の外面に交わる点
とされる。In the above description, the fitting start point at which the ants begin to be fitted into the dovetail groove is usually determined when the dovetail groove is provided in the K-shaped segment and the dovetail groove in the B-shaped segment.
Groove bottom of the dovetail groove on the wellhead side curved joint surface of the shape segment,
More precisely, a vertical line drawn at a position corresponding to the protruding height of the dovetail of the K-shaped segment is defined as a point where the perpendicular line intersects the tapered joint end face of the B-shaped segment, and the K-shaped segment is provided with a dovetail groove. In addition, when a dovetail is provided on the B-shaped segment, the position of the inclined joint end face of the B-shaped segment on the wellhead side curved joint surface of the B-shaped segment (root portion of the dovetail)
Is the point at which the perpendicular line intersects the outer surface of the ant in the B-shaped segment.
【００１０】請求項３記載の発明は、請求項１記載のセ
グメントを請求項２記載の２個のセグメントの間に、蟻
を蟻溝に嵌め入れて組み付け相互に一体に接合した構成
とした。According to a third aspect of the present invention, the segment of the first aspect is assembled between the two segments of the second aspect by inserting a dove into a dovetail groove and integrally joining them.
【００１１】この手段では、請求項１記載のセグメント
を幅方向に移動させて請求項２記載の２個のセグメント
の間に押し込むだけで、２組の蟻と蟻溝が同時に嵌合し
て３個のセグメントどうしが接合される。このように作
業性が良好で工期を短縮することができる上、ボルト及
びナットで局部的に接合した従来方式と異なり、セグメ
ントの幅の全長にわたって接合されるので、強固で安定
した接合強度が得られる。In this means, the two sets of dovetails and the dovetail groove are simultaneously fitted by simply moving the segment described in claim 1 in the width direction and pushing it between the two segments described in claim 2. Segments are joined together. In this way, the workability is good and the construction period can be shortened. In addition, unlike the conventional method where it is locally joined with bolts and nuts, it is joined over the entire length of the segment, so that a strong and stable joining strength is obtained. Can be
【００１２】[0012]
【発明の実施の形態】発明の実施の形態を添付図面を参
照して説明する。図１ないし図４は本発明の実施の形態
を示す。セグメントＫは、互いに長さの異なる前後（図
１では上下）一対の円弧状の主桁１，２と、同一長さの
左右一対の継手板３，３とを台形状に結合してそれらの
外周側にスキンプレート５を円弧状に張設し、主桁１，
２と継手板３，３及びスキンプレート５で囲まれた空間
にコンクリート６を充填して主桁１，２と継手板３，３
及びスキンプレート５と一体に固化させる一方、継手板
３の外面の中心位置に蟻８を取り付けて成る。Embodiments of the present invention will be described with reference to the accompanying drawings. 1 to 4 show an embodiment of the present invention. The segment K has a pair of front and rear (up and down in FIG. 1) arc-shaped main girders 1 and 2 having different lengths, and a pair of left and right joint plates 3 and 3 having the same length joined in a trapezoid shape. The skin plate 5 is stretched in an arc shape on the outer peripheral side,
2 is filled with concrete 6 in a space surrounded by the joint plates 3 and 3 and the skin plate 5, and the main girders 1 and 2 and the joint plates 3 and 3 are filled.
And the solidification is made integrally with the skin plate 5, while a dovetail 8 is attached to the center of the outer surface of the joint plate 3.
【００１３】セグメントＫの湾曲方向に並ぶ継手板３，
３の外面は、セグメントＫの組付け方向に角度αで先細
り状に、傾斜した先細り傾斜接合端面Ｋｍとなってい
る。主桁１，２は、互いに平行に前後に設けられてお
り、その外面は湾曲接合面となっている。また、蟻８
は、セグメントＫの組付け方向に角度βで先細り状に形
成されている。なお、スキンプレート５とコンクリート
６は一部のみ図示され、その大半が省略されている。[0013] The joint plates 3, which are arranged in the bending direction of the segment K,
The outer surface of No. 3 is a tapered and inclined joining end face Km which is tapered at an angle α in the mounting direction of the segment K. The main girders 1 and 2 are provided in front and rear in parallel with each other, and the outer surfaces thereof are curved joint surfaces. Ant 8
Are tapered at an angle β in the assembly direction of the segment K. The skin plate 5 and the concrete 6 are only partially illustrated, and most of them are omitted.
【００１４】セグメントＢは、互いに長さの異なる前後
一対の円弧状の主桁１１，１２と、互いに長さの異なる
左右一対の継手板１３，１４とを、一方の継手板１３が
傾斜した台形状に結合してそれらの外周部にスキンプレ
ート１５を張設し、主桁１１，１２と継手板１３，１４
及びスキンプレート１５で囲まれた空間にコンクリート
６を充填して主桁１１，１２と継手板１３，１４及びス
キンプレート１５と一体に固化させる一方、継手板１３
の外面の中心位置に蟻溝１８を設けて成る。The segment B includes a pair of front and rear arc-shaped main girders 11 and 12 having different lengths, and a pair of left and right joint plates 13 and 14 having different lengths. The skin plates 15 are stretched around the outer periphery of the main plates 11 and 12 and the joint plates 13 and 14
The concrete 6 is filled in a space surrounded by the skin plate 15 and solidified with the main girders 11, 12 and the joint plates 13, 14 and the skin plate 15, while the joint plate 13 is solidified.
Is provided with a dovetail groove 18 at the center position of the outer surface of.
【００１５】セグメントＢの湾曲方向に並ぶ継手板１３
の外面は、セグメントＫの組付け方向に角度αで先広り
状に傾斜した先広り傾斜接合端面Ｂｍとなっている。主
桁１１，１２は、互いに平行にされて継手板１４に直角
に結合されており、その外面は湾曲接合面となってい
る。蟻溝１８は、その側面を蟻８の側面の傾斜角度θと
同一の角度で傾斜させられるとともに、セグメントＫの
組付け方向に蟻８と同一角度βで先細り状にされて形成
されている。Joint plates 13 arranged in the bending direction of segment B
Is a tapered and inclined joining end face Bm that is tapered and inclined at an angle α in the assembly direction of the segment K. The main girders 11, 12 are parallel to each other and are connected to the joint plate 14 at right angles, and the outer surfaces thereof are curved joint surfaces. The dovetail groove 18 is formed such that the side surface thereof is inclined at the same angle as the inclination angle θ of the side surface of the dovetail 8 and is tapered at the same angle β as the dovetail 8 in the mounting direction of the segment K.
【００１６】なお、セグメントＢの坑口側の湾曲接合面
の先端（傾斜接合端面Ｂｍの坑口側の端部）から、セグ
メントＫの湾曲方向の蟻８の突出高さｋだけ離れた位置
（ほぼ蟻溝１８の溝底位置）に下した垂線Ｐが傾斜接合
端面Ｂｍと交わる点Ｏにおける蟻溝１８の開口幅ｂo
が、蟻８の先端の外面幅ｋo よりも僅かに大きくされ、
蟻８の外面とセグメントＢの傾斜接合端面Ｂｍが平面視
で一致した図１の実線の状態からセグメントＫを上に移
動させると、蟻８が蟻溝１８に徐々に嵌まり込んで、セ
グメントＢの前後の湾曲接合面にセグメントＫの前後の
湾曲接合が一致したところで（図１の２点鎖線参照）嵌
合、つまり接合が終了するようになっている。蟻８の突
出高さｋは蟻溝１８の深さｂと等しいか或いはこれより
も僅かに小さくされている。A position (substantially dovetail) that is separated from the tip of the curved joint surface of the segment B on the wellhead side (the end of the inclined joint end face Bm on the wellhead side) by the projecting height k of the dovetail 8 in the bending direction of the segment K. The opening width bo of the dovetail groove 18 at a point O where a perpendicular P descending to the groove bottom position of the groove 18) intersects the inclined joint end face Bm.
Is slightly larger than the outer surface width ko of the tip of the ant 8,
When the segment K is moved upward from the state of the solid line in FIG. 1 in which the outer surface of the dovetail 8 and the inclined joint end face Bm of the segment B coincide with each other in a plan view, the dovetail 8 gradually fits into the dovetail groove 18 and the segment B When the front and rear curved joint surfaces of the segment K coincide with the front and rear curved joint surfaces (see the two-dot chain line in FIG. 1), the fitting, that is, the joining is completed. The protrusion height k of the dovetail 8 is equal to or slightly smaller than the depth b of the dovetail groove 18.
【００１７】セグメントＡの基本構造はセグメントＫ，
Ｂと同一であり、同一長さの前後一対の円弧状の主桁２
１，２１と、左右一対の同一長さの継手板２３，２３
（一方のみ図示）とを、長形状に結合してそれらの外周
側にスキンプレート（図示せず）を張設し、それらの空
間にコンクリート（図示せず）を充填して主桁２１等と
一体に固化させて成る。The basic structure of segment A is segment K,
B, a pair of front and rear arc-shaped main girders 2 of the same length
1, 21 and a pair of left and right joint plates 23, 23 having the same length.
(Only one is shown) is connected to a long shape, skin plates (not shown) are stretched on their outer peripheral sides, and the space is filled with concrete (not shown) and It is solidified in one piece.
【００１８】セグメントＫ，Ｂ，Ａの主桁と継手板、ス
キンプレート、蟻はいずれも鋼製であり、互いに溶接或
いはボルト等の結合手段で結合されて鋼殻を構成してい
る。この鋼殻には必要に応じてひび割れ防止筋などが周
知のように設けられる。The main girder of the segments K, B, and A, the joint plate, the skin plate, and the dovetail are all made of steel, and are joined to each other by welding or bolting means to form a steel shell. This steel shell is provided with a crack preventing line or the like as necessary, as is well known.
【００１９】上記の構成とされたセグメントＫは、セグ
メントＡに接合されたセグメントＢ，Ｂの間に押し込
み、蟻８，８を蟻溝１８，１８に嵌め入れてセグメント
Ｂ，Ｂに接合する。この場合、前述のように、蟻溝１８
に対する蟻８の嵌込みは、交点Ｏから左右同時に開始さ
れてセグメントＫの組付け移動に伴って徐々に進行し、
セグメントＫの坑口側湾曲端面がセグメントＢの坑口側
湾曲端面に一致した状態で終了する。The segment K having the above structure is pushed between the segments B, B joined to the segment A, and the doves 8, 8 are fitted into the dovetail grooves 18, 18, and joined to the segments B, B. In this case, as described above, the dovetail groove 18
Of the ant 8 is started from the intersection O at the left and right at the same time, and gradually progresses with the assembling movement of the segment K.
The process ends when the well-end curved end face of the segment K matches the well-end curved end face of the segment B.
【００２０】このように、セグメントＫをセグメント
Ｂ，Ｂに一操作で接合することができるので、手間がか
からず接合作業を能率よく行って工期を短縮することが
できる。また、セグメントＫ，Ｂは幅方向の全長にわた
って楔接合されるので、強固で安定した接合強度が得ら
れる。機械化が容易なことも大きな長所である。As described above, since the segment K can be joined to the segments B, B in one operation, the joining operation can be performed efficiently and the construction period can be shortened. Further, since the segments K and B are wedge-joined over the entire length in the width direction, a strong and stable joining strength can be obtained. Easy mechanization is also a great advantage.
【００２１】図５は本発明の他の実施の形態を示す。こ
の実施の形態においては、セグメントＫの継手板３の中
心位置に蟻溝１８がセグメントＫの組付け方向に先広り
に形成され、また、セグメントＢの継手板１３の中心位
置にセグメントＫの組付け方向に先広りの蟻８が設けら
れている。そして蟻溝１８の先端の開口幅ｂo （図４参
照）が、交点Ｏにおける蟻８の外面幅ｋo よりも僅かに
大きくされている。セグメントＫ，Ｂの他の構造は、図
１〜図４のセグメントＫ，Ｂの構造と同一であるので、
同一の部材等に同一の符号を付して説明を省略する。FIG. 5 shows another embodiment of the present invention. In this embodiment, a dovetail groove 18 is formed at the center position of the joint plate 3 of the segment K so as to widen in the mounting direction of the segment K, and the dovetail groove 18 is formed at the center position of the joint plate 13 of the segment B. Ants 8 that are widened in the mounting direction are provided. The opening width bo at the tip of the dovetail groove 18 (see FIG. 4) is slightly larger than the outer surface width ko of the dovetail 8 at the intersection O. Other structures of the segments K and B are the same as the structures of the segments K and B in FIGS.
The same reference numerals are given to the same members and the like, and the description is omitted.
【００２２】図５のセグメントＫ，Ｂの場合は、蟻８に
対して蟻溝１８を組付け移動させる点で図１〜図４のセ
グメントＫ，Ｂと異なるが、相対移動の観点では全く同
一であるので、図１〜図４のセグメントＫ，Ｂと同一の
作用効果を期待することができる。The segments K and B shown in FIG. 5 are different from the segments K and B shown in FIGS. 1 to 4 in that the dovetail groove 18 is mounted on the dovetail 8 and moved. Therefore, the same operation and effect as those of the segments K and B in FIGS. 1 to 4 can be expected.
【００２３】図の蟻８と蟻溝１８は全長にわたって同一
角度αで楔状にされているが、その一部分又は全長にわ
たって互いに異なる角度にすることもできる。また、蟻
８と蟻溝１８の側面も同一の傾斜角度θとなっている
が、部分的に又は蟻８と蟻溝１８の全長にわたって異な
る角度にすることができる。Although the dovetail 8 and the dovetail groove 18 are wedge-shaped at the same angle α over the entire length, they may be partly or at different angles over the entire length. The side surfaces of the dovetail 8 and the dovetail groove 18 also have the same inclination angle θ, but may have different angles partially or over the entire length of the dovetail 8 and the dovetail groove 18.
【００２４】図のセグメントＫは、その左右に蟻８，８
又は蟻溝１８，１８が設けられているが、場合によって
は一側に蟻８を、他側に蟻溝１８を設けることができ
る。また、図のセグメントＫ，Ｂ，Ａは、いずれもコン
クリート中詰め鋼製セグメントとなっているが、周知の
スチールセグメントなどに実施することも可能である。
セグメントＢはＫ形セグメントとして使用することもで
きる。The segment K in the figure has ants 8, 8 on its left and right.
Alternatively, the dovetail grooves 18 are provided, but in some cases, the dovetail 8 can be provided on one side and the dovetail groove 18 on the other side. Further, although the segments K, B, and A in the figure are all made of concrete-filled steel segments, the invention can be applied to well-known steel segments and the like.
Segment B can also be used as a K-shaped segment.
【００２５】[0025]
【発明の効果】以上説明したように、本発明によれば、
作業性が良くて機械による自動化が容易で、しかも強固
で安定した接合強度が得られるセグメント及びその接合
構造を提供することができる。As described above, according to the present invention,
It is possible to provide a segment which has good workability, can be easily automated by a machine, and has a strong and stable joining strength, and a joining structure thereof.
【図１】 本発明の実施の形態を示す平面図である。FIG. 1 is a plan view showing an embodiment of the present invention.
【図２】 図１のセグメントの継手板と蟻を示す図であ
る。FIG. 2 is a view showing a joint plate and a dovetail of the segment of FIG. 1;
【図３】 図１のセグメントの継手板と蟻溝を示す図で
ある。FIG. 3 is a view showing a joint plate and a dovetail groove of the segment of FIG. 1;
【図４】 図１の（IV−IV）部分の断面図である。FIG. 4 is a cross-sectional view of (IV-IV) part of FIG.
【図５】 本発明の他の実施の形態を示す平面図であ
る。FIG. 5 is a plan view showing another embodiment of the present invention.
【図６】 Ａ形セグメントとＢ形セグメント及びＫ形セ
グメントをリング状に接合した状態を示す図である。FIG. 6 is a diagram showing a state in which an A-shaped segment, a B-shaped segment, and a K-shaped segment are joined in a ring shape.
【図７】 図６の展開図である。FIG. 7 is a development view of FIG. 6;
Ｂ，Ｋ セグメント Ｂｍ，Ｋｍ 傾斜接合端面 Ｏ 交点 Ｐ 垂線 ８ 蟻 １８ 蟻溝 B, K segment Bm, Km Inclined joint end face O Intersection point P Vertical line 8 Dove 18 Dove groove
Claims (3)
向に先細り状に傾斜した先細り傾斜接合端面とされたセ
グメントにおいて、 上記先細り傾斜接合端面に、組付け方向に先細りの蟻又
は先広りの蟻溝が設けられたことを特徴とするセグメン
ト。1. A segment in which a joining end face arranged in a curved direction is a tapered inclined joining end face inclined in a tapering manner in an assembling direction, wherein the dovetail or taper tapering in the assembling direction is attached to the tapered inclined joining end face. A segment having a dovetail groove.
向に先広り状に傾斜した先広り傾斜接合端面とされたセ
グメントにおいて、 上記先広り傾斜接合端面に、組付け方向に先細りの蟻溝
又は先広りの蟻が設けられたことを特徴とするセグメン
ト。2. A segment in which a joining end face arranged in a curved direction is a tapered joining face that is inclined so as to taper in an assembling direction. A segment provided with a dovetail or a widened dovetail.
記載の２個のセグメントの間に、蟻を蟻溝に嵌め入れて
組み付けられ相互に一体に接合されたことを特徴とする
セグメントの接合構造。3. The segment according to claim 1, wherein the segment according to claim 1 is claim 2.
A joining structure of segments, wherein a dovetail is fitted into a dovetail groove and assembled and joined together between the two segments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000256410A JP2002070489A (en) | 2000-08-25 | 2000-08-25 | Segment and its joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000256410A JP2002070489A (en) | 2000-08-25 | 2000-08-25 | Segment and its joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002070489A true JP2002070489A (en) | 2002-03-08 |
Family
ID=18745026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000256410A Pending JP2002070489A (en) | 2000-08-25 | 2000-08-25 | Segment and its joint structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002070489A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011116255A (en) * | 2009-12-04 | 2011-06-16 | Mitsui Eng & Shipbuild Co Ltd | Mounting structure of mooring metal rack of floating body |
-
2000
- 2000-08-25 JP JP2000256410A patent/JP2002070489A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011116255A (en) * | 2009-12-04 | 2011-06-16 | Mitsui Eng & Shipbuild Co Ltd | Mounting structure of mooring metal rack of floating body |
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