JPH04357300A - Joint device of steel segment and steel segment used therefor - Google Patents
Joint device of steel segment and steel segment used thereforInfo
- Publication number
- JPH04357300A JPH04357300A JP3131320A JP13132091A JPH04357300A JP H04357300 A JPH04357300 A JP H04357300A JP 3131320 A JP3131320 A JP 3131320A JP 13132091 A JP13132091 A JP 13132091A JP H04357300 A JPH04357300 A JP H04357300A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- bolt holes
- steel segment
- tunnel
- segments
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 119
- 239000010959 steel Substances 0.000 title claims abstract description 119
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】この発明は、鋼製セグメントの継
手装置及び該継手装置に用いる鋼製セグメントに関する
ものであり、特に、シールド工法に於けるトンネル覆工
に際し、高剛性、高強度の鋼製セグメントの継手装置及
びこの鋼製セグメントの継手装置に用いられる鋼製セグ
メントに関するものであって、立坑にも適用せられる。[Field of Industrial Application] This invention relates to a joint device for steel segments and a steel segment used in the joint device. The present invention relates to a joint device for steel segments and a steel segment used in the joint device for steel segments, and is also applicable to shafts.
【０００２】0002
【従来の技術】従来の此種鋼製セグメントの継手装置及
び該継手装置に用いる鋼製セグメントを図１１乃至図１
３に従って説明する。図に於てＳは鋼製セグメントであ
り、外形寸法が一般覆工体と同一であって、トンネル軸
方向の前方主桁１及び後方主桁１ａの両端部に端面板２
，２ａが固設され、更に、その中間部にリブ板３，３…
が介装されると共に、背面にはスキンプレート４が張設
されている。[Prior Art] A conventional joint device for this type of steel segment and a steel segment used in the joint device are shown in FIGS. 11 to 1.
The explanation will be given according to 3. In the figure, S is a steel segment, which has the same external dimensions as the general lining, and has end plates 2 at both ends of the front main girder 1 and the rear main girder 1a in the tunnel axis direction.
, 2a are fixedly installed, and furthermore, rib plates 3, 3...
is interposed therein, and a skin plate 4 is stretched on the back surface.
【０００３】又、前記前方主桁１及び後方主桁１ａ並び
に端面板２，２ａには夫々隣接の鋼製セグメントと結合
するためのボルト孔５，５…が開穿されている。而して
、トンネルの内壁面を前記鋼製セグメントＳを用いて覆
工するとき、トンネルの円周方向に於ては端面板２，２
ａが隣接の鋼製セグメントＳの端面板２，２ａと当接さ
れ、前記ボルト孔５，５…を夫々芯合せしてボルト６，
６…にて結合される。更に、トンネルの軸方向に於ては
、結合せらるべき鋼製セグメントＳは、既に組込まれて
いる鋼製セグメントＳ，Ｓの前方主桁１，１の双方に跨
って組込まれ、該既設の鋼製セグメントＳ，Ｓの前方主
桁１，１と後から結合される該鋼製セグメントＳの後方
主桁１ａとの対向する夫々のボルト孔５，５…を芯合せ
してボルト６，６…にて結合する。従って、組立てられ
る各鋼製セグメントＳ，Ｓ…は所謂千鳥状に組込みされ
てトンネル覆工工事が行われる。Further, bolt holes 5, 5, . . . are drilled in the front main girder 1, the rear main girder 1a, and the end plates 2, 2a, respectively, for connecting to adjacent steel segments. Therefore, when the inner wall surface of the tunnel is lined with the steel segments S, in the circumferential direction of the tunnel, the end plates 2, 2
a is brought into contact with the end plate 2, 2a of the adjacent steel segment S, the bolt holes 5, 5... are aligned, respectively, and the bolts 6,
6... are combined. Furthermore, in the axial direction of the tunnel, the steel segments S to be combined are installed across both the front main girders 1, 1 of the steel segments S, S, which have already been installed, and The bolt holes 5, 5... of the front main girders 1, 1 of the steel segments S, S and the rear main girder 1a of the steel segment S to be connected later are aligned, and the bolts 6, 6 are aligned. Combine at... Therefore, the steel segments S, S, . . . to be assembled are assembled in a so-called staggered manner to perform tunnel lining work.
【０００４】0004
【発明が解決しようとする課題】上記従来型の鋼製セグ
メントの接合装置は、既に組込まれている鋼製セグメン
トに対して後から組込まれる鋼製セグメントを、トンネ
ルの円周方向に於ては双方の端面板を当接し、トンネル
軸方向に於ては前方主桁に対して後方主桁を夫々当接し
、且つ、夫々のボルト孔の芯合せを為してボルトにて双
方の隣接せる鋼製セグメントを結合しているので、この
継手装置の剛性が低く、且つ、その強度も弱い。更に、
この継手装置では鋼製セグメントの円弧梁としての曲げ
モーメントを受けた場合、前記結合用のボルトに引張力
が作用すれば、最初に端面板が曲げ降伏することが知ら
れている。このため、従来型の鋼製セグメントの継手装
置は強度が著しく低かった。更に、継手装置の目開き及
び該鋼製セグメントの変形が大であって、防水性にも欠
陥があった。[Problems to be Solved by the Invention] The above-mentioned conventional steel segment joining device connects a steel segment that is to be assembled later to a steel segment that has already been assembled, in the circumferential direction of the tunnel. Both end plates are in contact with each other, the rear main girder is in contact with the front main girder in the tunnel axis direction, and each bolt hole is aligned, and both adjacent steel plates are connected with bolts. Since the manufactured segments are connected, the rigidity of this joint device is low, and its strength is also low. Furthermore,
It is known that in this joint device, when a steel segment receives a bending moment as a circular arc beam, the end plate first bends and yields if a tensile force is applied to the connecting bolt. For this reason, the strength of conventional steel segment coupling devices was extremely low. Furthermore, the opening of the joint device and the deformation of the steel segment were large, and the waterproof property was also defective.
【０００５】そこで、鋼製セグメントの継手装置を高剛
性及び高強度に構成し、且つ、この高剛性及び高強度の
鋼製セグメントの継手装置に対応できる鋼製セグメント
を得るために解決せらるべき技術的課題が生じてくるの
であり、本発明は該課題を解決することを目的とする。[0005] Therefore, it is necessary to solve the problem in order to configure a joint device for a steel segment with high rigidity and high strength, and to obtain a steel segment that can be compatible with the joint device for a steel segment with high rigidity and high strength. A technical problem arises, and the present invention aims to solve this problem.
【０００６】[0006]
【課題を解決するための手段】この発明は、上記目的を
達成するために提案せられたものであり、外形寸法が一
般鋼製セグメントと略同一の前方主桁及び後方主桁並び
に左右の端面板にて構成され、且つ、前記前後の主桁及
び左右の端面板には夫々ボルト孔が開穿されている鋼製
セグメントをトンネル覆工体として組立てて相互に結合
する鋼製セグメントの継手装置に於て、鋼製セグメント
は前記前方主桁及び後方主桁の内側面に前方内主桁及び
後方内主桁を夫々重合して固設し、更に、該前後の内主
桁及び該内主桁と重合する前記前後主桁に夫々適宜数の
ボルト孔を貫設して継手部が形成されており、該鋼製セ
グメントをトンネル円周方向にては前記端面板に設けら
れた対向するボルト孔を芯合せしてボルト締結し、更に
、トンネル軸方向にては、前記継手部のボルト孔を前記
前後主桁の端部に前記継手部のボルト孔に対応して開穿
されたボルト孔と芯合せしてボルト結合することにより
、トンネル円周方向並びに軸方向の隣接せる鋼製セグメ
ントを結合することを特徴とする鋼製セグメントの継手
装置、及び前記前後の内主桁はその中央部に補強板が介
装されている鋼製セグメント並びに、外形寸法が一般鋼
製セグメントより小形に形成されると共に、前後主桁の
両端面に端面板を斜設して、正面視が略梯形状に形成さ
れ、且つ、該前後主桁の端部近傍及び左右の端面板に夫
々適宜数のボルト孔を開穿して外形が略ブロック状の継
手体とした鋼製セグメントを形成し、更に、該継手体の
前記端面板の斜面に合致できるように請求項１記載の鋼
製セグメントの前記端面板を斜設して第２鋼製セグメン
トを構成し、該第２鋼製セグメントをトンネル円周方向
にては前記継手体の端面板に該第２鋼製セグメントの端
面板を当接し、対向して設けられているボルト孔を芯合
せしてボルト締結し、更に、トンネル軸方向にては、前
記継手体の主桁端部に設けられたボルト孔を前記第２鋼
製セグメントの主桁に設けられた対応するボルト孔に芯
合せしてボルト結合することにより、トンネル円周方向
並びに軸方向の隣接せる鋼製セグメントを結合すること
を特徴とする鋼製セグメントの継手装置、及び前記継手
体はその前後主桁の中央部に補強板を介装して成る鋼製
セグメントを提供せんとするものである。[Means for Solving the Problems] This invention has been proposed to achieve the above object, and provides a front main girder, a rear main girder, and a left and right end main girder whose external dimensions are approximately the same as general steel segments. A steel segment joint device that assembles steel segments as a tunnel lining body and connects them to each other. In this case, the steel segments are fixed by superimposing the front inner main girder and the rear inner main girder on the inner surfaces of the front main girder and the rear main girder, respectively, and furthermore, A joint portion is formed by penetrating an appropriate number of bolt holes in the front and rear main girders that overlap with the girder, and the steel segments are connected to opposing bolts provided in the end plate in the circumferential direction of the tunnel. The holes are aligned and bolted, and further, in the axial direction of the tunnel, the bolt holes of the joint part are drilled in the ends of the front and rear main girders corresponding to the bolt holes of the joint part. A joint device for steel segments, characterized in that adjacent steel segments in the circumferential direction and axial direction of a tunnel are joined together by aligning and bolting together, and the front and rear inner main girders are connected to the central part thereof. The steel segment has a reinforcing plate interposed therein, and its outer dimensions are smaller than general steel segments, and end plates are installed diagonally on both end faces of the front and rear main girders, giving it a roughly ladder-like shape when viewed from the front. A suitable number of bolt holes are formed in the vicinity of the ends of the front and rear main girders and in the left and right end plates, respectively, to form a steel segment having a substantially block-shaped outer shape, and further, The end plate of the steel segment according to claim 1 is provided obliquely so as to match the slope of the end plate of the joint body to form a second steel segment, and the second steel segment is arranged along the tunnel circumference. In the tunnel axis direction, the end plate of the second steel segment is brought into contact with the end plate of the joint body, and bolts are fastened by aligning the opposing bolt holes. , by aligning and bolting bolt holes provided at the ends of the main girder of the joint body with corresponding bolt holes provided in the main girder of the second steel segment, the tunnel circumferential direction and axis A joint device for steel segments, characterized in that steel segments that are adjacent in the direction are joined together, and the joint body includes steel segments in which a reinforcing plate is interposed in the center of the front and rear main girders. It is something to do.
【０００７】[0007]
【作用】この発明の鋼製セグメントはトンネルの円周方
向へ組込まれるときは、既に組込まれている鋼製セグメ
ントの端面板を夫々当接し、相互に対向するボルト孔に
ボルトを挿通して双方の鋼製セグメントを結合する。そ
して、前後の内主桁を固設して前後の各主桁と重合して
形成している継手部の前方主桁に後から結合される鋼製
セグメントの後方主桁の端部を当接し、そして、相互に
対向するボルト孔を芯合せしてボルトにて結合する。斯
くして、トンネル軸方向に結合される鋼製セグメントは
前記継手部が前後位置に於て相互に合致しないように所
謂千鳥状に結合される。[Operation] When the steel segments of the present invention are installed in the circumferential direction of a tunnel, the end plates of the already installed steel segments are brought into contact with each other, and bolts are inserted into the bolt holes facing each other to both joining the steel segments. Then, the end of the rear main girder of the steel segment that will be connected later is brought into contact with the front main girder of the joint part, which is formed by fixing the front and rear inner main girders and overlapping with each of the front and rear main girders. Then, the mutually opposing bolt holes are aligned and connected with bolts. In this way, the steel segments connected in the axial direction of the tunnel are connected in a so-called staggered manner so that the joint portions do not coincide with each other in the front and rear positions.
【０００８】又、本発明の請求項１記載の鋼製セグメン
ト又は請求項３記載の第２の鋼製セグメント或はブロッ
ク型の継手体を構成する鋼製セグメントは様々の組合せ
が可能となり、現場の状況に応じて任意に結合すること
ができる。[0008] Furthermore, the steel segments according to claim 1 of the present invention, the second steel segments according to claim 3, or the steel segments constituting the block-type joint body can be combined in various ways, and can be easily assembled on-site. can be arbitrarily combined depending on the situation.
【０００９】[0009]
【実施例】以下、本発明の一実施例を添付の図１乃至図
１０に従って詳述する。図１及び図２に於て、１０は鋼
製セグメントであり、該鋼製セグメント１０は前方主桁
１１及び後方主桁１１ａを有し、その両端部には夫々端
面板１２，１２が固設されている。又、前記前方主桁１
１及び後方主桁１１ａ間には所々にリブ１３，１３…が
介装されており、背面にはスキンプレート１４が張設さ
れている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the accompanying FIGS. 1 to 10. In FIGS. 1 and 2, 10 is a steel segment, and the steel segment 10 has a front main girder 11 and a rear main girder 11a, and end plates 12, 12 are fixed to both ends thereof, respectively. has been done. Also, the front main girder 1
1 and the rear main girder 11a are interposed here and there, and a skin plate 14 is stretched on the back surface.
【００１０】而して、図１及び図２に示す如く、前記リ
ブ１３，１３…の間の前方主桁１１及び後方主桁１１ａ
の内側面に前方内主桁１５及び後方内主桁１５ａを溶接
等の手段にて固設する。更に、該前方内主桁１５及び後
方内主桁１５ａの中央部に補強板１６を介装して全体を
略Ｉ字型に形成され、之を前記の前後の主桁内側面に固
設して接合部１７を形成している。As shown in FIGS. 1 and 2, the front main spar 11 and the rear main spar 11a between the ribs 13, 13...
The front inner main girder 15 and the rear inner main girder 15a are fixed to the inner surface of the main girder by welding or the like. Further, a reinforcing plate 16 is interposed in the center of the front inner main girder 15 and the rear inner main girder 15a to form a substantially I-shape as a whole, which is fixed to the inner side surface of the front and rear main girders. A joint portion 17 is formed.
【００１１】又、前記前後の主桁１１，１１ａの両端部
近傍には夫々６個のボルト孔１８が開穿されている。而
して、該ボルト孔１８は前後主桁１１，１１ａに３個宛
を夫々巾方向２列に設けてある。その他適宜のボルト孔
１８ａ，１８ａ…が開穿される。更に、前記端面板１２
，１２にも夫々適宜数のボルト孔１８ｂ，１８ｂ…が開
穿されている。Six bolt holes 18 are drilled near both ends of the front and rear main girders 11, 11a, respectively. Three bolt holes 18 are provided in two rows in the width direction in each of the front and rear main girders 11, 11a. Other appropriate bolt holes 18a, 18a, . . . are opened. Furthermore, the end plate 12
, 12 are also provided with an appropriate number of bolt holes 18b, 18b, . . . , respectively.
【００１２】又、前記継手部１７に於ては、前記補強板
１６の左右に夫々前述せる３個宛２列の２組のボルト孔
１９が開穿されている。従って、該ボルト孔１９の群は
夫々片側づつ前記前後主桁１１，１１ａに夫々設けたボ
ルト孔１８に対応して開穿せられている。而して、之等
のボルト孔の数等は上記に限定せらるべきではない。そ
こで、本発明の鋼製セグメント１０，１０…を順次組立
てる場合は、例えば図３に於て一つの鋼製セグメント１
０をＡ１ に組込んであるとき、このＡ１ 位置の鋼製
セグメント１０は、同図に於て上方部位に継手部１７が
位置している。そこで、トンネル円周方向へ結合せらる
べき他の鋼製セグメント１０をＡ２ の位置に並設する
とき、該Ａ２ 位置の鋼製セグメント１０の端面板１２
と前記Ａ１ 位置の鋼製セグメント１０の端面板１２と
が当接する。そこで、対向する夫々のボルト孔１８ｂ，
１８ｂ…を芯合せてボルト２０，２０…にて結合する。
このとき、Ａ１ 部位の鋼製セグメント１０の前後主桁
１１，１１ａは、Ａ２ 位置の鋼製セグメント１０の前
後主桁１１，１１ａと夫々一直線上に並設される。そこ
で、図３に於て継手部１７には右側のＡ３ 位置に於て
はトンネル円周方向にボルト２０，２０…にて結合され
る２個の鋼製セグメント１０，１０の夫々の前記結合部
位の前方主桁１１，１１が当接し、該継手部１７の中間
の補強板１６の左右の各ボルト孔１９，１９…と之に対
向する前記Ａ３ 位置の鋼製セグメント１０，１０の端
部に設けた夫々のボルト孔１８，１８…とを芯合せして
ボルト２０，２０…にて結合する。In the joint portion 17, two sets of three bolt holes 19 in two rows are drilled on the left and right sides of the reinforcing plate 16, respectively. Therefore, the groups of bolt holes 19 are drilled on each side in correspondence with the bolt holes 18 provided in the front and rear main girders 11, 11a, respectively. Therefore, the number of bolt holes etc. should not be limited to the above. Therefore, when assembling the steel segments 10, 10... of the present invention sequentially, for example, one steel segment 1 in FIG.
0 is incorporated into A1, the steel segment 10 at the A1 position has the joint portion 17 located at the upper portion in the same figure. Therefore, when another steel segment 10 to be connected in the circumferential direction of the tunnel is arranged in parallel at the A2 position, the end plate 12 of the steel segment 10 at the A2 position
and the end plate 12 of the steel segment 10 at the A1 position abut. Therefore, each of the opposing bolt holes 18b,
18b... are aligned and connected with bolts 20, 20.... At this time, the front and rear main girders 11, 11a of the steel segment 10 at the A1 position are arranged in parallel with the front and rear main girders 11, 11a of the steel segment 10 at the A2 position, respectively. Therefore, in the joint part 17 in FIG. The front main girders 11, 11 of the joint part 17 are in contact with the ends of the steel segments 10, 10 at the A3 position, which are opposite to the left and right bolt holes 19, 19... of the intermediate reinforcing plate 16 of the joint part 17. The provided bolt holes 18, 18... are aligned and connected using bolts 20, 20....
【００１３】又、トンネル軸方向に於て、前記Ａ１ 位
置の前記鋼製セグメント１０の継手部１７に対する結合
は、該継手部１７の前方部Ａ４ の位置に於ける鋼製セ
グメント１０，１０が前記Ａ３ の位置に於ける鋼製セ
グメント１０，１０と同一の結合方式で結合される。従
って、該継手部１７がトンネル軸方向に組立てられると
き、相互に合致しないように組立てられる所謂千鳥状の
組立方式となる。In addition, in the tunnel axial direction, the steel segments 10 at the A1 position are connected to the joint part 17, and the steel segments 10, 10 at the front part A4 of the joint part 17 are connected to the joint part 17. They are connected in the same way as the steel segments 10, 10 at position A3. Therefore, when the joint portions 17 are assembled in the tunnel axis direction, they are assembled in a so-called staggered manner in which they are assembled so that they do not coincide with each other.
【００１４】斯くの如くして結合された鋼製セグメント
１０，１０…の各主桁は剛結され、トンネル外方からの
荷重等によって主桁に発生する曲げモーメント、軸力或
は剪断力等は前記継手部に伝達される。而して、該継手
部は前述の構成により高剛性となり、且つ、強度も大と
なる。又、図５及び図６に示すものは他の実施例の第２
鋼製セグメント１０ａであるが、前記図１及び図２に示
した鋼製セグメント１０と殆ど同一構成であるので、対
象部位は同一符号を付してその説明を省略する。そこで
、前記鋼製セグメント１０と異なる部分を説明すれば、
後述の図７に示す継手体１０ｂの左右に斜設された端面
板１２ａ，１２ａに対応する端面板１２ｂに形成した点
である。The main girders of the steel segments 10, 10, etc. connected in this manner are rigidly connected, and bending moments, axial forces, shearing forces, etc. generated on the main girders due to loads from outside the tunnel, etc. is transmitted to the joint section. Therefore, the joint portion has high rigidity and strength due to the above-described configuration. Moreover, what is shown in FIGS. 5 and 6 is the second example of another embodiment.
The steel segment 10a has almost the same configuration as the steel segment 10 shown in FIGS. 1 and 2, so the target parts are given the same reference numerals and the explanation thereof will be omitted. Therefore, if we explain the different parts from the steel segment 10,
This point is formed on the end plate 12b corresponding to the end plates 12a, 12a provided obliquely on the left and right sides of the joint body 10b shown in FIG. 7, which will be described later.
【００１５】更に、他の実施例を図７及び図８に従って
説明する。同図は、前記図１及び図５に示す鋼製セグメ
ント１０，１０ａと実質的に同一の鋼製セグメントであ
る継手体１０ｂを示す。そこで、図１に示す鋼製セグメ
ント１０の部分と対象する部分は同一の符号を付して説
明を省略する。唯、異る点は、前方主桁１１及び後方主
桁１１ａの下端縁が上端縁に比し、やや長く形成されて
全体が略梯形状を呈しており、全体の外形が略ブロック
状に形成され、左右の端面板１２ａ，１２ａは斜設され
、適宜数の前記ボルト孔１８ｂ，１８ｂ…が開穿されて
いる。又、該前後の主桁１１，１１ａの両端部即ち、補
強板１６の左右に夫々前述のボルト孔１８，１８…が開
穿されている。斯くして、図１、図５及び図７に示す各
鋼製セグメント１０，１０ａ，１０ｂを任意に組合せて
トンネル覆工を為すことができる。Further, another embodiment will be described with reference to FIGS. 7 and 8. This figure shows a joint body 10b which is a steel segment that is substantially the same as the steel segments 10, 10a shown in FIGS. 1 and 5. Therefore, the parts corresponding to the steel segment 10 shown in FIG. 1 are given the same reference numerals, and the description thereof will be omitted. The only difference is that the lower edges of the front main spar 11 and the rear main spar 11a are slightly longer than the upper edges, giving the overall shape a roughly ladder shape, and the overall external shape is roughly block-shaped. The left and right end plates 12a, 12a are installed obliquely, and an appropriate number of bolt holes 18b, 18b, . . . are drilled therein. Further, the aforementioned bolt holes 18, 18, . . . are opened at both ends of the front and rear main girders 11, 11a, that is, on the left and right sides of the reinforcing plate 16, respectively. In this way, the tunnel lining can be constructed by arbitrarily combining the steel segments 10, 10a, and 10b shown in FIGS. 1, 5, and 7.
【００１６】図１０は前記図１、図５及び図７に示す各
鋼製セグメント１０，１０ａ，１０ｂを用いてトンネル
覆工を為した一例を示す正面図である。同図に於て、上
方中心部に前記図７に示す継手体を構成する鋼製セグメ
ント１０ｂが配設され、その左右に前記図５に示す第２
鋼製セグメント１０ａ，１０ａの夫々の端部が結合され
ている。即ち、該継手体を構成する鋼製セグメント１０
ｂの左右端面の端面板１２ａ，１２ａには前記第２鋼製
セグメント１０ａ，１０ａの端面板１２ｂ，１２ｂが夫
々当接して対向するボルト孔にボルト２０，２０…を夫
々挿通してボルト結合され、更に、前記左右の該第２鋼
製セグメント１０ａ，１０ａの他端面の端面板１２，１
２には、請求項１記載の鋼製セグメント１０，１０の端
面板１２，１２が夫々当接し、ボルト結合されると共に
該鋼製セグメント１０，１０の他端面の端面板１２，１
２は夫々図９の中心下端部にて当接されボルト結合され
ている。更に、トンネル軸方向に上記鋼製セグメント１
０，１０ａ，１０ｂを組込んで行く場合は、前記継手部
１７が前後に合致しないように所謂千鳥状に組立てられ
ることは当然である。（図１０参照）尚、この発明は、
この発明の精神を逸脱しない限り種々の改変を為すこと
ができ、そして、この発明が該改変されたものに及ぶこ
とは当然である。FIG. 10 is a front view showing an example of tunnel lining using the steel segments 10, 10a, and 10b shown in FIGS. 1, 5, and 7. In the same figure, the steel segment 10b constituting the joint body shown in FIG. 7 is disposed at the upper center, and the second steel segment 10b shown in FIG.
The respective ends of the steel segments 10a, 10a are joined. That is, the steel segment 10 constituting the joint body
The end plates 12b, 12b of the second steel segments 10a, 10a abut the end plates 12a, 12a on the left and right end surfaces of b, respectively, and are bolted together by inserting bolts 20, 20, . . . into the opposing bolt holes, respectively. , further, end plates 12, 1 of the other end surfaces of the left and right second steel segments 10a, 10a.
2, the end plates 12, 12 of the steel segments 10, 10 according to claim 1 abut, respectively, and are bolted together, and the end plates 12, 1 of the other end surfaces of the steel segments 10, 10 are in contact with each other.
2 are abutted and bolted together at the center lower end in FIG. 9, respectively. Furthermore, the steel segment 1 is inserted in the tunnel axial direction.
0, 10a, and 10b, it goes without saying that they are assembled in a so-called staggered manner so that the joint portions 17 do not coincide front to back. (See FIG. 10) Furthermore, this invention
Various modifications can be made without departing from the spirit of the invention, and it goes without saying that the invention extends to such modifications.
【００１７】[0017]
【発明の効果】本発明は、上記一実施例に詳述せる如く
、鋼製セグメントの前方主桁と後方主桁の夫々の内側面
に前方主桁及び後方主桁を固設し、ここにボルト孔を開
穿して継手部を構成し、そして、トンネル円周方向に於
て夫々当接する端面板をボルト結合し、更に、トンネル
軸方向に於ては前記継手部が前後に合致しないように千
鳥状に順次組込まれて行くので、主桁及び内主桁相互の
添接効果により前後の主桁の剛性及び強度が大となり、
更に、鋼製セグメントも任意の形状に形成したものを用
いることも可能であるため、従来のシールド工法の施工
と同一の施工法にて継手性能に優れたトンネル覆工が可
能となる等、正に諸種の著大なる効果を奏する発明であ
る。Effects of the Invention As detailed in the above-described embodiment, the present invention has a front main girder and a rear main girder fixed to the inner surfaces of each of the front main girder and the rear main girder of a steel segment. Bolt holes are drilled to form a joint, and end plates that abut each other in the circumferential direction of the tunnel are connected with bolts, and further, in the axial direction of the tunnel, the joints are made so that they do not match back and forth. As the main girders and inner main girders are attached to each other, the rigidity and strength of the front and rear main girders is increased,
Furthermore, since it is possible to use steel segments formed into any shape, it is possible to construct tunnel linings with excellent joint performance using the same construction method as the conventional shield construction method. This is an invention that has various significant effects.
【図１】本発明の鋼製セグメントを背面からみた一部切
欠斜面図。FIG. 1 is a partially cutaway oblique view of a steel segment of the present invention seen from the back.
【図２】図１の表面図。FIG. 2 is a surface view of FIG. 1.
【図３】図１の鋼製セグメントを用いてトンネル覆工を
為したときのトンネル内面からみた一部切欠表面図。FIG. 3 is a partially cutaway surface view as seen from the inner surface of a tunnel when tunnel lining is constructed using the steel segments shown in FIG. 1;
【図４】図３のＸ−Ｘ線断面図。FIG. 4 is a sectional view taken along line XX in FIG. 3;
【図５】他の実施例の鋼製セグメントを背面よりみた一
部切欠斜面図。FIG. 5 is a partially cutaway oblique view of a steel segment of another embodiment as seen from the back.
【図６】図５の表面図。FIG. 6 is a surface view of FIG. 5.
【図７】更に他の実施例の鋼製セグメントを背面よりみ
た斜面図。FIG. 7 is a perspective view of a steel segment of still another embodiment, seen from the back.
【図８】図７の表面図。FIG. 8 is a surface view of FIG. 7.
【図９】図１、図５、図７に示す鋼製セグメントを組合
せてトンネル覆工を為した状態の正面図。9 is a front view of a tunnel lining constructed by combining the steel segments shown in FIGS. 1, 5, and 7. FIG.
【図１０】図９のＹ−Ｙ線断面図。FIG. 10 is a sectional view taken along the Y-Y line in FIG. 9;
【図１１】従来型の鋼製セグメントの表面からみた斜面
図。FIG. 11 is a perspective view of a conventional steel segment as seen from the surface.
【図１２】図１１の鋼製セグメントを用いてトンネル覆
工を為したときのトンネル内面よりみた一部切欠表面図
。12 is a partially cutaway surface view as seen from the inner surface of a tunnel when tunnel lining is constructed using the steel segments shown in FIG. 11; FIG.
【図１３】図１２のＺ−Ｚ線断面図。FIG. 13 is a sectional view taken along the Z-Z line in FIG. 12;
Claims (4)
一の前方主桁及び後方主桁並びに左右の端面板にて構成
され、且つ、前記前後の主桁及び左右の端面板には夫々
ボルト孔が開穿されている鋼製セグメントをトンネル覆
工体として組立てて相互に結合する鋼製セグメントの継
手装置に於て、鋼製セグメントは前記前方主桁及び後方
主桁の内側面に前方内主桁及び後方内主桁を夫々重合し
て固設し、更に、該前後の内主桁及び該内主桁と重合す
る前記前後主桁に夫々適宜数のボルト孔を貫設して継手
部が形成されており、該鋼製セグメントをトンネル円周
方向にては前記端面板に設けられた対向するボルト孔を
芯合せしてボルト締結し、更に、トンネル軸方向にては
、前記継手部のボルト孔を前記前後主桁の端部に前記継
手部のボルト孔に対応して開穿されたボルト孔と芯合せ
してボルト結合することにより、トンネル円周方向並び
に軸方向の隣接せる鋼製セグメントを結合することを特
徴とする鋼製セグメントの継手装置。Claim 1: Consisting of a front main girder, a rear main girder, and left and right end plates, the external dimensions of which are approximately the same as general steel segments, and each of the front and rear main girders and left and right end plates are provided with bolt holes. In a steel segment joint device that assembles and interconnects steel segments that have been drilled as a tunnel lining body, the steel segments have a front inner main girder attached to the inner surface of the front main girder and the aft main girder. The girder and the rear inner main girder are overlapped and fixed, respectively, and an appropriate number of bolt holes are penetrated through the front and rear inner main girders and the front and rear main girders that overlap with the inner main girder, respectively, to form a joint part. The steel segments are bolted by aligning the opposing bolt holes provided in the end plate in the circumferential direction of the tunnel, and furthermore, in the axial direction of the tunnel, the steel segments are fastened with bolts by aligning the opposing bolt holes provided in the end plate. By aligning the bolt holes with the bolt holes drilled in the ends of the front and rear main girders corresponding to the bolt holes of the joint part and connecting them with bolts, the tunnel can be made of steel adjacent to each other in the circumferential direction and the axial direction. A joint device for steel segments, characterized by joining the segments.
強板が介装されて略Ｉ型に形成されたことを特徴とする
請求項１記載の鋼製セグメント。2. The steel segment according to claim 1, wherein the front and rear inner main girders are formed into a substantially I-shape with a reinforcing plate interposed in the center thereof.
形に形成されると共に、前後主桁の両端面に端面板を斜
設して、正面視が略梯形状に形成され、且つ、該前後主
桁の端部近傍及び左右の端面板に夫々適宜数のボルト孔
を開穿して外形が略ブロック状の継手体とした鋼製セグ
メントを形成し、更に、該継手体の前記端面板の斜面に
合致できるように請求項１記載の鋼製セグメントの前記
端面板を斜設して第２鋼製セグメントを構成し、該第２
鋼製セグメントをトンネル円周方向にては前記継手体の
端面板に該第２鋼製セグメントの端面板を当接し、対向
して設けられているボルト孔を芯合せしてボルト締結し
、更に、トンネル軸方向にては、前記継手体の主桁端部
に設けられたボルト孔を前記第２鋼製セグメントの主桁
に設けられた対応するボルト孔に芯合せしてボルト結合
することにより、トンネル円周方向並びに軸方向の隣接
せる鋼製セグメントを結合することを特徴とする鋼製セ
グメントの継手装置。3. The outer dimensions are smaller than general steel segments, and end plates are provided obliquely on both end faces of the front and rear main girders, so that the front and rear main girders have a substantially ladder shape when viewed from the front. A suitable number of bolt holes are drilled in the vicinity of the end of the girder and in the left and right end plates, respectively, to form a steel segment having a substantially block-shaped outer shape, and further, the slopes of the end plates of the joint body are formed. The end plate of the steel segment according to claim 1 is disposed obliquely so as to meet the second steel segment, and
The end plate of the second steel segment is brought into contact with the end plate of the joint body in the circumferential direction of the tunnel, the opposing bolt holes are aligned, and the bolts are fastened; , in the tunnel axial direction, by aligning bolt holes provided at the end of the main girder of the joint body with corresponding bolt holes provided in the main girder of the second steel segment and bolting them together. A joint device for steel segments, characterized in that it connects adjacent steel segments in the tunnel circumferential direction and axial direction.
に補強板を介装して成る請求項３記載の鋼製セグメント
。4. The steel segment according to claim 3, wherein the joint body has a reinforcing plate interposed in the center of its front and rear main girders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3131320A JP2904366B2 (en) | 1991-06-03 | 1991-06-03 | Steel segment joint device and steel segment used for the joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3131320A JP2904366B2 (en) | 1991-06-03 | 1991-06-03 | Steel segment joint device and steel segment used for the joint device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04357300A true JPH04357300A (en) | 1992-12-10 |
| JP2904366B2 JP2904366B2 (en) | 1999-06-14 |
Family
ID=15055199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3131320A Expired - Fee Related JP2904366B2 (en) | 1991-06-03 | 1991-06-03 | Steel segment joint device and steel segment used for the joint device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2904366B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571328A (en) * | 2018-06-29 | 2018-09-25 | 西南交通大学 | A kind of stratum interface segment shield tunnel segment lining structure and design method |
-
1991
- 1991-06-03 JP JP3131320A patent/JP2904366B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571328A (en) * | 2018-06-29 | 2018-09-25 | 西南交通大学 | A kind of stratum interface segment shield tunnel segment lining structure and design method |
| CN108571328B (en) * | 2018-06-29 | 2023-08-04 | 西南交通大学 | Stratum juncture shield tunnel segment lining structure and design method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2904366B2 (en) | 1999-06-14 |
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