JP3488787B2 - Hexagonal segment and its joint structure - Google Patents
Hexagonal segment and its joint structureInfo
- Publication number
- JP3488787B2 JP3488787B2 JP23826096A JP23826096A JP3488787B2 JP 3488787 B2 JP3488787 B2 JP 3488787B2 JP 23826096 A JP23826096 A JP 23826096A JP 23826096 A JP23826096 A JP 23826096A JP 3488787 B2 JP3488787 B2 JP 3488787B2
- Authority
- JP
- Japan
- Prior art keywords
- joining
- hexagonal
- hexagonal segment
- segment
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、トンネル状壁体等
の構築に用いられる六角形状のセグメント、及び六角形
セグメントどうしの接合構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hexagonal segment used for constructing a tunnel-shaped wall body and the like, and a joining structure of hexagonal segments.
【０００２】[0002]
【従来の技術】トンネルを構築する方法の一つに、掘進
とセグメント組立てとを同時に行いながら施工してい
く、いわゆるシードル工法がある。従来、このようなシ
ールド工法に用いられるセグメントとして、図１０に示
す六角形セグメント１０が知られている。2. Description of the Related Art One of the methods for constructing a tunnel is a so-called cider construction method in which excavation and segment assembly are performed simultaneously. Conventionally, a hexagonal segment 10 shown in FIG. 10 is known as a segment used in such a shield construction method.
【０００３】この六角形セグメント１０は、互いに平行
な直線状の側部接合面１０ａ，１０ｂの両端に、傾斜接
合面１０ｃ，１０ｄを角状に突き出してそれぞれ連設し
たもので、側面視において円弧状に湾曲しており、側部
接合面１０ａ，１０ｂ間と、一方の側部接合面１０ｂと
これに向き合う一方の傾斜接合面１０ｃとの間に、貫通
孔１０ｅ，１０ｆがそれぞれ形成され、また他方の傾斜
接合面１０ｄにインサートナット１０ｇが埋設されてい
る。The hexagonal segment 10 is formed by arranging inclined joint surfaces 10c and 10d at both ends of linear side joint surfaces 10a and 10b which are parallel to each other so as to project in a rectangular shape, and which are circular in a side view. Through-holes 10e and 10f are formed between the side joint surfaces 10a and 10b, and between the one side joint surface 10b and the one inclined joint surface 10c that faces the arc. An insert nut 10g is embedded in the other inclined joint surface 10d.
【０００４】上記六角形セグメント１０を長さ方向に複
数連結してリング状にするには、２枚の六角形セグメン
ト１０，１０のそれぞれ１つの傾斜接合面１０ｃ，１０
ｄどうしを互いに突き合わせ、一方の六角形セグメント
１０の貫通孔１０ｆに接合ボルトを挿入して他方の六角
形セグメント１０のインサートナット１０ｇに螺着する
ことにより六角形セグメント１０，１０どうしを接合
し、また、リング間の接合は、２枚の六角形セグメント
１０，１０の側部接合面１０ａ，１０ｂどうしを互いに
突き合わせ、それらの貫通孔１０ｅ，１０ｅに接合ボル
トを挿入して互いに螺着することにより行っている。な
お、トンネル覆工の場合、図１０で左が坑口側であり、
右が切羽側である。In order to connect a plurality of the hexagonal segments 10 in the lengthwise direction to form a ring, one inclined joining surface 10c, 10 of each of the two hexagonal segments 10, 10 is formed.
The d hexagonal segments 10 and 10 are joined to each other by butting each other and inserting the joining bolt into the through hole 10f of the one hexagonal segment 10 and screwing it into the insert nut 10g of the other hexagonal segment 10, Further, the joining between the rings is performed by abutting the side joining surfaces 10a and 10b of the two hexagonal segments 10 and 10 against each other and inserting joining bolts into the through holes 10e and 10e and screwing them together. Is going. In the case of tunnel lining, the left side in Figure 10 is the wellhead side,
The right is the face side.
【０００５】[0005]
【発明が解決しようとする課題】上記従来の六角形セグ
メントの接合構造は、トンネルの外部から中心に向かっ
て加わる土砂の圧力に対して十分な強度を有するが、ト
ンネルが水路の場合、その中心から外方に向う水圧に対
する接合力が弱く、漏水しやすいという問題点がある。The above-mentioned conventional junction structure of hexagonal segments has sufficient strength against the pressure of the earth and sand applied from the outside of the tunnel toward the center. Therefore, there is a problem that the bonding force against the water pressure from the outside is weak and the water easily leaks.
【０００６】本発明の１つの目的は、トンネルの中心か
ら外方に向う圧力に対して強い接合力が得られる六角形
セグメントを提供することである。[0006] One object of the present invention is to provide a hexagonal segment that provides a strong joining force against pressure outward from the center of the tunnel.
【０００７】本発明の他の目的は、強固に接合された六
角形セグメントの接合構造を提供することである。Another object of the present invention is to provide a joining structure of strongly joined hexagonal segments.
【０００８】[0008]
【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、本発明に係る六角形セグメントは、互いにほぼ平
行な２つの側部接合面の両端に、２つの傾斜接合面が角
状に突き出してそれぞれ連設された六角形セグメントに
おいて、上記傾斜接合面に、該傾斜接合面と他の六角形
セグメントの傾斜接合面の突合せ状態において結合具で
結合される結合縁を設け、該結合縁を、ウェブの高さ方
向を六角形セグメントの厚さ方向に一致させて傾斜接合
面の２つの角部の間に設けられたＨ型鋼のフランジと、
ウェブで側部接合面を形成して設けられた溝型鋼のフラ
ンジにそれぞれ設けた構成とした。In order to achieve the above-mentioned object, a hexagonal segment according to the present invention has two slanted joint surfaces which are angular at two ends of two side joint surfaces which are substantially parallel to each other. in hexagonal segments respectively continuously provided to project, to the inclined junction surface, provided the joint edge to be bound by fitting the butt state of the inclined joint surface and the inclined joint surface of the other hexagonal segments, said connecting edge The height of the web
Inclined connection with the direction aligned with the thickness direction of the hexagonal segment
A flange of H-section steel provided between two corners of the surface,
A grooved steel fla provided with a side joining surface formed by a web.
It is configured to be provided in each of the range .
【０００９】[0009]
【００１０】また、本発明に係る六角形セグメントの接
合構造は、上記構成とされた２枚の六角形セグメント
を、それぞれ１つの傾斜接合面どうしを互いに突き合わ
せるとともに両傾斜接合面の結合縁どうしを結合具で結
合して接合した構成とした。In addition, in the hexagonal segment joining structure according to the present invention, the two hexagonal segments configured as described above are made to abut one inclined joining surface against each other and connect the joining edges of both inclined joining surfaces. Was joined with a joining tool.
【００１１】[0011]
【発明の実施の形態】発明の実施の形態を実施例に基づ
き図面を参照して説明する。図１ないし図６は本発明に
係る六角形セグメント及びその接合構造の一実施例を示
す。六角形セグメント１は、図１０に例示した従来の六
角形セグメント１０と基本構造が同一で、互いに平行な
直線状の側部接合面１ａ，１ｂの両端に、傾斜接合面１
ｃ，１ｄを角状に突き出してそれぞれ連設したものであ
り、側面視において円弧状に湾曲している。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described based on examples with reference to the drawings. 1 to 6 show an embodiment of a hexagonal segment and a joining structure thereof according to the present invention. The hexagonal segment 1 has the same basic structure as the conventional hexagonal segment 10 illustrated in FIG. 10, and the inclined joint surfaces 1 are formed at both ends of the linear side joint surfaces 1a and 1b parallel to each other.
c and 1d are projected in a horn shape and are connected to each other, and are curved in an arc shape in a side view.
【００１２】そして、側部接合面１ａ，１ｂの中間、つ
まり鉄筋コンクリート版２の中央には、ウェブ３ａの両
側にフランジ３ｂを設けたＨ型鋼３が埋設され、また両
側部にはウェブ４ａの片側にフランジ４ｂを設けた溝型
鋼４が設けられている。H-shaped steel 3 provided with flanges 3b on both sides of the web 3a is embedded in the middle of the side joint surfaces 1a and 1b, that is, in the center of the reinforced concrete slab 2, and one side of the web 4a is provided on both sides. A grooved steel 4 having a flange 4b is provided.
【００１３】Ｈ型鋼３は、ウェブ３ａの高さ方向を六角
形セグメント１の厚さ方向に一致させるとともに、フラ
ンジ３ｂをコンクリート版２の表面に配し、かつウェブ
３ａの両端部を傾斜接合面１ｃ，１ｄの角部から傾斜接
合面１ｃ，１ｄの突出し方向に突出させて設けられてい
る。ウェブ３ａの両端部は接合片３ｃとされ、その両側
面に係合段部３ｄを有する。Ｈ型鋼３のウェブ３ａの厚
さの中心は六角形セグメント１の中心に一致させられて
いる。また、Ｈ型鋼３の長手方向におけるフランジ３ｂ
の両端部には内側に突出した突起型結合縁３ｅ（図１と
図２では省略）が設けられている。In the H-section steel 3, the height direction of the web 3a is made to coincide with the thickness direction of the hexagonal segment 1, the flanges 3b are arranged on the surface of the concrete slab 2, and both ends of the web 3a are inclined joint surfaces. The inclined joint surfaces 1c and 1d are provided so as to protrude from the corners of the 1c and 1d. Both ends of the web 3a are joined pieces 3c, and engaging step portions 3d are provided on both side surfaces thereof. The thickness center of the web 3 a of the H-section steel 3 is made to coincide with the center of the hexagonal segment 1. Also, the flange 3b in the longitudinal direction of the H-section steel 3
At both ends thereof, protrusion-type coupling edges 3e (not shown in FIGS. 1 and 2) protruding inward are provided.
【００１４】また、溝型鋼４は、コンクリート版２の側
面に露出されたウェブ４ａにより側部接合面１ａ，１ｂ
を形成した状態でフランジ４ｂ，４ｂをコンクリート版
２の表面に配して設けられている。側部接合面１ａ，１
ｂを形成した溝型鋼４のウェブ４ａの両端部には嵌合部
４ｄが形成され、また溝型鋼４の長手方向におけるフラ
ンジ４ｂの両端部には内側に突出した突起型結合縁４ｅ
（図１と図２では省略）が設けられている。In addition, the channel steel 4 has the side joint surfaces 1a and 1b formed by the webs 4a exposed on the side surfaces of the concrete slab 2.
The flanges 4b and 4b are provided on the surface of the concrete slab 2 in a state of forming. Side joint surface 1a, 1
Fitting portions 4d are formed at both ends of the web 4a of the grooved steel 4 in which b is formed, and projecting coupling edges 4e protruding inward are formed at both ends of the flange 4b in the longitudinal direction of the grooved steel 4.
(Omitted in FIGS. 1 and 2).
【００１５】嵌合部４ｄは接合片３ｃの係合段部３ｄを
嵌め込むものであり、２枚の六角形セグメント１，１の
互いに向き合う嵌合部４ｄ，４ｄの深さの合計値は係合
段部３ｄ，３ｄの厚さとほぼ同一（厳密には係合段部３
ｄ，３ｄの厚さよりも僅かに大きい。）とされ、２枚の
六角形セグメント１，１の嵌合部４ｄ，４ｄの間に他の
六角形セグメント１の接合片３ｃの係合段部３ｄ，３ｄ
をゆるみなく嵌め込んで固定することができるようにな
っている。Ｈ型鋼３と溝型鋼４は六角形セグメント１の
強度を十分に高めている。The fitting portion 4d is for fitting the engagement step portion 3d of the joining piece 3c, and the total depth of the fitting portions 4d and 4d facing each other of the two hexagonal segments 1 and 1 is unrelated. Almost the same as the thickness of the joining steps 3d, 3d (strictly speaking, the engaging steps 3
It is slightly larger than the thickness of d and 3d. ) Is set between the fitting portions 4d, 4d of the two hexagonal segments 1, 1 and the engaging step portions 3d, 3d of the joining piece 3c of the other hexagonal segment 1 are provided.
It can be fitted and fixed without loosening. The H-shaped steel 3 and the grooved steel 4 sufficiently enhance the strength of the hexagonal segment 1.
【００１６】符号６は結合具である。結合具６は断面チ
ャンネル状に形成されており、２枚の六角形セグメント
１，１の傾斜接合面１ｃ，１ｄの突合わせ状態において
両傾斜接合面１ｃ，１ｄの結合縁３ｅ，３ｅ、４ｅ，４
ｅに嵌め付けられてそれらを結合し、２枚の六角形セグ
メント１，１を接合する構成となっている。Reference numeral 6 is a coupler. The coupler 6 is formed in a channel shape in cross section, and when the inclined joint surfaces 1c and 1d of the two hexagonal segments 1 and 1 are butted to each other, the joint edges 3e, 3e, 4e of the inclined joint surfaces 1c and 1d, Four
It is configured to be fitted in e to join them, and to join the two hexagonal segments 1 and 1.
【００１７】Ｈ型鋼３と溝型鋼４にはジベル筋が溶接さ
れ、コンクリート版２との結合を強化している。図の実
施例では、Ｈ型鋼３と溝型鋼４の高さがコンクリート版
２の厚さと同一となっているが、Ｈ型鋼３と溝型鋼４の
１以上の高さをコンクリート版２の厚さよりも小さくす
ることができる。The H-shaped steel 3 and the grooved steel 4 are welded with a dowel reinforcement to strengthen the connection with the concrete slab 2. In the illustrated embodiment, the heights of the H-shaped steel 3 and the grooved steel 4 are the same as the thickness of the concrete slab 2, but the heights of one or more of the H-shaped steel 3 and the grooved steel 4 are determined from the thickness of the concrete slab 2. Can also be smaller.
【００１８】六角形セグメント１には、図１０の従来の
六角形セグメント１０の貫通孔１０ｆとインサートナッ
ト１０ｇに相当する貫通孔１ｆとインサートナット１ｇ
が設けられ、また必要があれば、六角形セグメント１０
の貫通孔１０ｅに相当する貫通孔が設けられる。六角形
セグメント１の外周に溝を１以上設け、該溝に止水パッ
キンを嵌め込んで止水性を高めることができる。The hexagonal segment 1 has a through hole 1f and an insert nut 1g corresponding to the through hole 10f and the insert nut 10g of the conventional hexagonal segment 10 shown in FIG.
Is provided and, if necessary, hexagonal segment 10
A through hole corresponding to the through hole 10e is provided. It is possible to provide one or more grooves on the outer circumference of the hexagonal segment 1 and fit a water blocking packing into the grooves to enhance water blocking performance.
【００１９】上記の構成とされた六角形セグメント１は
次のようにして接合する。すなわち、図６において上が
坑口側、下が切羽側であり、まず、図６中、左の六角形
セグメント１（Ｂ）を、接合片３ｃの係合段部３ｄを右
上の六角形セグメント１（Ａ）の嵌合部４ｄに嵌め込む
とともに１つの傾斜接合面１ｃを六角形セグメント１
（Ａ）の１つの傾斜接合面１ｄに突き合わせた後、両傾
斜接合面１ｃ，１ｄの結合縁３ｅ，３ｅ、４ｅ，４ｅに
結合具６を嵌め付け、それらの結合縁どうしを結合して
六角形セグメント１（Ａ），１（Ｂ）どうしを接合す
る。The hexagonal segment 1 having the above structure is joined as follows. That is, in FIG. 6, the upper side is the wellhead side and the lower side is the face side. First, in FIG. 6, the hexagonal segment 1 (B) on the left is the hexagonal segment 1 on the upper right side of the engagement step 3d of the joining piece 3c. The slanted joint surface 1c is fitted into the fitting portion 4d of FIG.
After abutting against one inclined joint surface 1d in (A), fitting tools 6 are fitted to the joint edges 3e, 3e, 4e, 4e of the two inclined joint surfaces 1c, 1d, and the joint edges are joined together to form six joints. The rectangular segments 1 (A) and 1 (B) are joined together.
【００２０】次に、右下の六角形セグメント１（Ｃ）
を、嵌合部４ｄを六角形セグメント１（Ｂ）の係合段部
３ｄに嵌め付けて側部接合面１ａを六角形セグメント１
（Ａ）の側部接合面１ｂに突き合わせるとともに、六角
形セグメント１（Ｂ）の嵌合部４ｄに係合段部３ｄを嵌
め入れて１つの傾斜接合面１ｃを六角形セグメント１
（Ｂ）の１つの傾斜接合面１ｄに突き合わせた後、両傾
斜接合面１ｃ，１ｄの結合縁３ｅ，３ｅ、４ｅ，４ｅに
結合具６を嵌め付け、それらの結合縁どうしを結合して
六角形セグメントどうしを接合する。Next, the lower right hexagonal segment 1 (C)
By fitting the fitting portion 4d to the engagement step portion 3d of the hexagonal segment 1 (B) to form the side joint surface 1a.
The side joining surface 1b of (A) is butted, and the engaging stepped portion 3d is fitted into the fitting portion 4d of the hexagonal segment 1 (B) to form one inclined joining surface 1c.
After abutting against one inclined joint surface 1d of (B), fitting tools 6 are fitted to the joint edges 3e, 3e, 4e, 4e of both the inclined joint surfaces 1c, 1d, and the joint edges are joined together to form six joints. Join the square segments together.
【００２１】上記操作の適当な時機に、六角形セグメン
ト１（Ｂ）の貫通孔１ｆ（図１）に接合ボルトを差し込
んで六角形セグメント１（Ａ）のインサートナット１ｇ
に螺着し、同様に六角形セグメント１（Ｃ）の貫通孔１
ｆに接合ボルトを挿し込んで六角形セグメント１（Ａ）
のインサートナット１ｇに螺着する。また、六角形セグ
メント１に図１０の貫通孔１０ｅに相当する貫通孔が設
けられている場合には、六角形セグメント１（Ｃ）の貫
通孔に接合ボルトを挿し込んで、六角形セグメント１
（Ａ）の貫通孔に挿通された接合ボルトに従来同様に螺
着する。接合ボルトによる六角形セグメント１，１どう
しの接合は、場合によっては省略することができる。六
角形セグメント１（Ａ）、１（Ｂ）、１（Ｃ）のトンネ
ル覆工順序は、上記の通り、１（Ａ）、１（Ｂ）、１
（Ｃ）の順である。At a suitable time for the above operation, the joining bolt is inserted into the through hole 1f (FIG. 1) of the hexagonal segment 1 (B) to insert the insert nut 1g of the hexagonal segment 1 (A).
Screw into the same, and similarly through hole 1 of hexagonal segment 1 (C)
Hexagonal segment 1 (A) by inserting the joining bolt into f
It is screwed onto 1g of insert nut. Further, when the hexagonal segment 1 is provided with a through hole corresponding to the through hole 10e in FIG. 10, the joining bolt is inserted into the through hole of the hexagonal segment 1 (C) to form the hexagonal segment 1
The joint bolts inserted into the through holes of (A) are screwed in the same manner as in the conventional case. The joining of the hexagonal segments 1, 1 with the joining bolt can be omitted in some cases. The tunnel lining order of the hexagonal segments 1 (A), 1 (B), 1 (C) is 1 (A), 1 (B), 1 as described above.
The order is (C).
【００２２】図７は、他の結合縁３ｅ，４ｅと結合具６
の例を示すものであり、結合縁３ｅ，４ｅは断面Ｃ字状
とされ、これにこの２つのＣ字状断面の内壁面に密接す
る断面Ｈ状の結合具６が嵌挿されて結合縁３ｅ，３ｅ、
４ｅ，４ｅどうしを結合している。FIG. 7 shows another coupling edge 3e, 4e and a coupling tool 6.
The connecting edges 3e and 4e have a C-shaped cross section, and a connecting tool 6 having an H-shaped section that is in close contact with the inner wall surfaces of the two C-shaped sections is inserted into the connecting edges 3e and 4e. 3e, 3e,
4e and 4e are connected.
【００２３】図８は、別の結合縁３ｅ，４ｅと結合具６
の例を示す。結合縁３ｅ，４ｅは断面長円形に形成さ
れ、これにこの２つの長円形断面を外包密接する断面ｘ
状の結合具６が嵌合されて結合縁３ｅ，３ｅ、４ｅ，４
ｅどうしを結合している。FIG. 8 shows another connecting edge 3e, 4e and a connecting tool 6.
For example: The connecting edges 3e and 4e are formed to have an oval cross section, and a cross section x that closely encloses these two oval cross sections.
Shaped coupling tool 6 is fitted to couple the coupling edges 3e, 3e, 4e, 4
e are connected to each other.
【００２４】図９は結合縁３ｅ，４ｅと結合具６の更に
別の例を示すもので、結合縁３ｅ，４ｅは断面鍵状に形
成され、これにこの２つの鍵状断面を外包密接する断面
Ｃ字状の結合具６が嵌め付けられて結合縁３ｅ，３ｅ、
４ｅ，４ｅどうしを結合している。なお、結合縁３ｅ，
４ｅと結合具６の形状等は図面の実施例に限られるもの
ではなく、種々変更が可能である。FIG. 9 shows still another example of the coupling edges 3e and 4e and the coupling tool 6, wherein the coupling edges 3e and 4e are formed in a key-shaped cross section, and the two key-shaped cross sections are closely adhered to the outer edges. A coupling tool 6 having a C-shaped cross section is fitted to the coupling edges 3e, 3e,
4e and 4e are connected. The connecting edge 3e,
The shapes and the like of 4e and the coupler 6 are not limited to the embodiments shown in the drawings, and various modifications are possible.
【００２５】本発明の六角形セグメントの接合構造は、
フランジを結合するものであるから非常に強い接合強度
を得ることができるので、トンネルが水路で各六角形セ
グメント１にトンネルの中心から外方に向う水圧がかか
ることがあっても、これに十分耐え、漏水を防止するこ
とができる。The hexagonal segment joining structure of the present invention is
Since the flanges are joined together, a very strong joint strength can be obtained, so even if the hexagonal segment 1 may be subjected to water pressure outward from the center of the tunnel in the channel, this is sufficient. It can endure and prevent water leakage.
【００２６】六角形セグメント１は、通常、プレキャス
トコンクリート体とされるが、主要部の材質はコンクリ
ートに限らず、他の材質、例えば鋼板等であってもよ
い。また、接合片３ｃの一側の係合段部３ｄと、これに
対応する嵌合部４ｄを無くしてそれらの面を平らにする
こともできる。更に、本発明においては、接合片３ｃ
（係合段部３ｄ）と嵌合部４ｄは全く設けられていなく
てもよい。The hexagonal segment 1 is usually a precast concrete body, but the material of the main part is not limited to concrete, but may be another material such as a steel plate. Further, the engagement step portion 3d on one side of the joining piece 3c and the fitting portion 4d corresponding thereto can be eliminated to flatten their surfaces. Further, in the present invention, the joining piece 3c
The (engagement step portion 3d) and the fitting portion 4d may not be provided at all.
【００２７】図の実施例の六角形セグメントは、正六角
形を互いに向き合う２つの角部の突出し方向に長くのば
した形状となっているが、基本的な形状が六角形であれ
ば、上記以外の形状、例えば側部接合面１ａ，１ｂが正
確に平行でないような六角形であってもよい。また平版
状で円弧状に湾曲していなくてもよい。したがって、本
発明のセグメントはトンネル覆工以外にも、擁壁ブロッ
クや床版などとして使用可能である。The hexagonal segment in the illustrated embodiment has a shape in which a regular hexagon is extended in the projecting direction of two corners facing each other, but if the basic shape is a hexagon, other than the above. The shape may be hexagonal such that the side joint surfaces 1a and 1b are not exactly parallel. Further, it does not have to be lithographic and curved in an arc shape. Therefore, the segment of the present invention can be used as a retaining wall block, floor slab, etc. other than tunnel lining.
【００２８】[0028]
【発明の効果】以上説明にしたように、本発明に係る六
角形セグメントは、互いにほぼ平行な２つの側部接合面
の両端に、２つの傾斜接合面が角状に突き出してそれぞ
れ連設された六角形セグメントにおいて、上記傾斜接合
面に、該傾斜接合面と他の六角形セグメントの傾斜接合
面の突合せ状態において結合具で結合される結合縁が設
けられた構成とされているので、強い接合力が得られ、
したがって水路とされる内圧型トンネルの覆工に利用す
ることができる。As described above, in the hexagonal segment according to the present invention, two slanted joint surfaces are formed in angular contact with both ends of two substantially parallel side joint surfaces. In the hexagonal segment, since the inclined joining surface is provided with a joining edge to be joined with a joining tool in a butt state of the inclined joining surface and the inclined joining surfaces of other hexagonal segments, it is configured to be strong. The joining force is obtained,
Therefore, it can be used for lining an internal pressure type tunnel that is used as a waterway.
【００２９】 さらに、その結合縁を、ウェブの高さ方
向を六角形セグメントの厚さ方向に一致させて傾斜接合
面の２つの角部の間に設けられたＨ型鋼のフランジと、
ウェブで側部接合面を形成して設けられた溝型鋼のフラ
ンジにそれぞれ設けた構成とするので、結合縁を簡単に
設けることができる上、Ｈ型鋼と溝型鋼によって六角形
セグメントの強度が強化されるようになる。 Furthermore, an H-shaped steel flange provided between the two corners of the inclined joint surface , the joining edge of which is aligned with the height direction of the web in the thickness direction of the hexagonal segment,
Enhanced since the structure provided respectively in the groove-type steel flange provided to form the side bonding surface on the web, on which may be provided with joint edge simply, the intensity of the hexagonal segment by H-shaped steel and grooved steel Will be done.
【００３０】また、本発明に係る六角形セグメントの接
合構造は、上記構成とされた２枚の六角形セグメント
が、それぞれ１つの傾斜接合面どうしを互いに突き合わ
せるとともに両傾斜接合面の結合縁どうしを結合具で結
合して接合された構成とされているので、水路とされた
トンネルの水圧に耐えて漏水を防止することができる。In addition, in the hexagonal segment joining structure according to the present invention, the two hexagonal segments having the above-mentioned structure abut one inclined joining surface against each other and connect the joining edges of the two inclined joining surfaces together. Since it is configured to be joined by joining with a joining tool, it is possible to withstand the water pressure of a tunnel formed as a water channel and prevent water leakage.
【図１】 本発明に係る六角形セグメントの一実施例を
示す一部破断の正面図である。FIG. 1 is a partially cutaway front view showing an embodiment of a hexagonal segment according to the present invention.
【図２】 図１の六角形セグメントの側面図である。2 is a side view of the hexagonal segment of FIG. 1. FIG.
【図３】 図１の（III−III）断面図である。FIG. 3 is a sectional view taken along line (III-III) of FIG.
【図４】 六角形セグメントの要部の外観図である。FIG. 4 is an external view of a main part of a hexagonal segment.
【図５】 結合縁を結合具で結合した接合状態を示す要
部の断面図である。FIG. 5 is a cross-sectional view of an essential part showing a joined state in which joining edges are joined together by a joining tool.
【図６】 ３枚の六角形セグメントの接合準備状態を示
す正面図である。FIG. 6 is a front view showing a joining preparation state of three hexagonal segments.
【図７】 結合縁と結合具の他の例を示す図である。FIG. 7 is a diagram showing another example of a coupling edge and a coupling tool.
【図８】 結合縁と結合具の別の例を示す図である。FIG. 8 is a diagram showing another example of a coupling edge and a coupling tool.
【図９】 結合縁と結合具の更に別の例を示す図であ
る。FIG. 9 is a view showing still another example of the coupling edge and the coupling tool.
【図１０】 従来の六角形セグメントの接合構造の説明
図である。FIG. 10 is an explanatory view of a conventional hexagonal segment joining structure.
１ 六角形セグメント １ａ，１ｂ 側部接合面 １ｃ，１ｄ 傾斜接合面 ３ Ｈ型鋼 ３ａ ウェブ ３ｂ フランジ ３ｅ 結合縁 ４ 溝型鋼 ４ａ ウェブ ４ｂ フランジ ４ｅ 結合縁 ６ 結合具 1 Hexagonal segment 1a, 1b Side joint surface 1c, 1d inclined joint surface 3 H type steel 3a Web 3b flange 3e Bonding edge 4 channel steel 4a web 4b flange 4e Bonding edge 6 coupling
───────────────────────────────────────────────────── フロントページの続き (72)発明者 染谷 洋樹 東京都中央区八重洲２丁目６番21号 石 川島建材工業株式会社内 (72)発明者 橋口 彰夫 東京都中央区八重洲２丁目６番21号 石 川島建材工業株式会社内 (56)参考文献 特開 平７−4191（ＪＰ，Ａ) 特開 平６−50096（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) E21D 11/08 E21D 11/04 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroki Someya 2-6-21 Yaesu, Chuo-ku, Tokyo Ishi Kawashima Kenzai Kogyo Co., Ltd. (72) Inventor Akio Hashiguchi 2-6-21 Yaesu, Chuo-ku, Tokyo Ishikawajima Kenzai Kogyo Co., Ltd. (56) Reference JP-A-7-4191 (JP, A) JP-A-6-50096 (JP, A) (58) Fields investigated (Int.Cl. 7 , DB name) E21D 11/08 E21D 11/04
Claims (2)
端に、２つの傾斜接合面が角状に突き出してそれぞれ連
設された六角形セグメントにおいて、上記傾斜接合面
に、該傾斜接合面と他の六角形セグメントの傾斜接合面
の突合せ状態において結合具で結合される結合縁が設け
られ、該結合縁が、ウェブの高さ方向を六角形セグメントの厚
さ方向に一致させて傾斜接合面の２つの角部の間に設け
られたＨ型鋼のフランジと、ウェブで側部接合面を形成
して設けられた溝型鋼のフランジにそれぞれ設けられた
ことを特徴とする六角形セグメント。 1. A hexagonal segment in which two slanted joint surfaces are connected to each other at both ends of two side joint surfaces that are substantially parallel to each other, and the slanted joint surfaces are connected to the slanted joint surface. And another hexagonal segment in the abutting state of the inclined joining surfaces, the joining edge is provided to be joined by a joining tool, and the joining edge is provided in the height direction of the web.
Provided between the two corners of the inclined joint surface in line with the vertical direction
Side joint surface is formed by the flange of the H-shaped steel and the web
Provided on the flanges of the grooved steel
A hexagonal segment characterized in that
トが、それぞれ１つの傾斜接合面どうしを互いに突き合
わせるとともに両傾斜接合面の結合縁どうしを結合具で
結合して接合されたことを特徴とする六角形セグメント
の接合構造。2. The two hexagonal segments according to claim 1 are joined by abutting one inclined joint surface with each other and coupling the joint edges of both inclined joint surfaces with a coupling tool. Hexagonal segment joining structure characterized by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23826096A JP3488787B2 (en) | 1996-09-09 | 1996-09-09 | Hexagonal segment and its joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23826096A JP3488787B2 (en) | 1996-09-09 | 1996-09-09 | Hexagonal segment and its joint structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1082289A JPH1082289A (en) | 1998-03-31 |
| JP3488787B2 true JP3488787B2 (en) | 2004-01-19 |
Family
ID=17027544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23826096A Expired - Fee Related JP3488787B2 (en) | 1996-09-09 | 1996-09-09 | Hexagonal segment and its joint structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3488787B2 (en) |
-
1996
- 1996-09-09 JP JP23826096A patent/JP3488787B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1082289A (en) | 1998-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3488787B2 (en) | Hexagonal segment and its joint structure | |
| JPH10115189A (en) | Shield segment | |
| JP3527029B2 (en) | Hexagonal segment and its joint structure | |
| JP3488580B2 (en) | Hexagonal segment and its joint structure | |
| JP3488809B2 (en) | Hexagonal segment and its joint structure | |
| JP3459521B2 (en) | Hexagonal segment and its joint structure | |
| JP3488363B2 (en) | Hexagonal segment and its joint structure | |
| JPH1082290A (en) | Rectangular concrete segment and joining structure thereof | |
| JPH0455599A (en) | Concrete segment and connecting structure thereof | |
| JP3122245B2 (en) | Segment joint structure | |
| JP3373110B2 (en) | Steel shell segment connection structure | |
| JP2981100B2 (en) | Concrete segment | |
| JP2904366B2 (en) | Steel segment joint device and steel segment used for the joint device | |
| JPH08177393A (en) | Shield segment | |
| JP2561363Y2 (en) | segment | |
| JP3558744B2 (en) | segment | |
| JP3539698B2 (en) | Segment with horizontal hook joint | |
| JP2798586B2 (en) | Segment junction structure of tunnel where internal pressure acts | |
| JP2954781B2 (en) | Segment joint structure | |
| JPS6032239Y2 (en) | Joint structure of concrete segment for tunnel lining | |
| JPH04289399A (en) | Joint of segment using shape steel | |
| JPH09105297A (en) | Synthetic segment | |
| JPH074191A (en) | Concrete segment | |
| JPH04203099A (en) | Joint section of composite segment | |
| JP2001140596A (en) | Steel segment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20031014 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101031 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101031 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111031 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121031 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131031 Year of fee payment: 10 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |