JP2971835B2 - Tunnel construction method - Google Patents
Tunnel construction methodInfo
- Publication number
- JP2971835B2 JP2971835B2 JP9174757A JP17475797A JP2971835B2 JP 2971835 B2 JP2971835 B2 JP 2971835B2 JP 9174757 A JP9174757 A JP 9174757A JP 17475797 A JP17475797 A JP 17475797A JP 2971835 B2 JP2971835 B2 JP 2971835B2
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- traffic path
- construction method
- track
- construction
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、線路と道路の立
体交差あるいは線路、道路の下方に上下水道、電力、ガ
ス等の地下洞道を新設する場合等のトンネルの構築工法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing a tunnel in a case where an underpass for water and sewage, electric power, gas and the like is newly provided below a railway or a road, or a three-dimensional intersection of a railway and a road.
【０００２】[0002]
【従来の技術】線路と道路の立体交差あるいは線路、道
路の下方に下水道、電力、ガス等の地下洞道を新設する
場合、特に線路においては、列車の往来を止めることな
く構築する工法が要求されており、このため、例えば、
線路を工事桁によって仮受けした後、その下方の地盤を
掘削し、この掘削箇所にトンネルの壁体を構築する構築
工法が採用されていた。2. Description of the Related Art When constructing an underpass for a sewer, electric power, gas, etc. under an overpass of a track or a road, or under a track or a road, a construction method is required especially for a track without stopping train traffic. For this reason, for example,
After the rails were temporarily received by construction girders, the construction method of excavating the ground below and constructing a tunnel wall at this excavation point was adopted.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記工法の
場合、線路を仮受けする工事桁を支持するために、工事
桁の両端における軌道内にて、杭を打ち込んで仮橋台を
構築しなければならず、このため、車両を徐行させなけ
ればならないという問題があった。By the way, in the case of the above-mentioned construction method, in order to support a construction girder for temporarily receiving a track, a temporary abutment must be constructed by driving a pile into a track at both ends of the construction girder. Therefore, there is a problem that the vehicle must be slowed down.
【０００４】この発明は、上記事情に鑑みてなされたも
ので、車両の往来に影響を与えることなく、極めて容易
に線路、道路の下方側にトンネルを構築することが可能
なトンネルの構築工法を提供することを目的としてい
る。The present invention has been made in view of the above circumstances, and provides a tunnel construction method capable of extremely easily constructing a tunnel below a track or road without affecting traffic of vehicles. It is intended to provide.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、請求項１記載のトンネルの構築工法は、線路、道路
等の車両の通行路の下方にて、該通行路と交差する方向
へトンネルを構築するトンネルの構築工法であって、前
記通行路の下方に、トンネルの側壁となる部分に側方か
ら複数のエレメントを推進させて上下方向へ併設し、該
エレメントの上端に工事桁を架け渡せ、該工事桁によっ
て前記通行路を支持させ、その後、前記側壁間における
前記通行路の下方側の地盤を掘削し、前記エレメントの
上端に床版を架け渡せるとともに前記工事桁を撤去し、
該床版によって前記通行路を支持させることを特徴とし
ている。According to a first aspect of the present invention, there is provided a method for constructing a tunnel, the method comprising: In a tunnel construction method for constructing a tunnel, a plurality of elements are propelled from the side to a portion serving as a side wall of the tunnel below the traffic path, and are vertically installed side by side, and a construction girder is provided at an upper end of the element. Overhang, the work girder supports the traffic path, and then excavates the ground under the traffic path between the side walls, allows a floor slab to be bridged over the upper end of the element, and removes the work girder,
The traffic path is supported by the floor slab.
【０００６】請求項２記載のトンネル構築工法は、線
路、道路等の車両通行路の下方に、該通行路と交差する
方向へトンネルを構築するトンネルの構築工法であっ
て、前記通行路の下方にて、トンネルの側壁となる部分
に側方から複数のエレメントを推進させて上下方向へ併
設し、該エレメント間における上部近傍の地盤を前記通
行路ごと撤去し、この地盤を撤去した部分に、予め上部
に所定長さの通行路を敷設した床版を前記エレメントの
上端にスライドさせて架け渡せ、その後、前記側壁間に
おける前記通行路の下方側の地盤を掘削することを特徴
としている。A tunnel construction method according to a second aspect of the present invention is a tunnel construction method for constructing a tunnel below a vehicle traffic path such as a track, a road, or the like in a direction intersecting the traffic path. At, a plurality of elements are propelled from the side to the side wall of the tunnel and are installed side by side, and the ground near the upper part between the elements is removed together with the above-mentioned passage, and the removed part of the ground is The present invention is characterized in that a floor slab, in which a predetermined length of a passage is previously laid, can be slid over the upper end of the element, and thereafter, ground below the passage between the side walls is excavated.
【０００７】[0007]
【発明の実施の形態】以下、本発明の実施の形態のトン
ネルの構築工法を図によって説明する。図１及び図２に
おいて、符号１は、トンネルである。このトンネル１
は、線路（通行路）２の下側に構築されたもので、複数
のエレメント３を有する側壁４及びこれら側壁４の下端
同士の間に設けられた底版５をコンクリートによって一
体に形成した断面Ｕ字型の躯体部６と、この躯体部６の
上部に架け渡された複数の床版エレメント７からなる床
版８とから構成されている。そして、このトンネル１を
構成する床版８の上部に前記線路２が敷設されている。
なお、図１中符号１１は、躯体部６の両端部に設けられ
た支持部であり、符号１２及び１３は、それぞれ発進
坑、到達坑である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A tunnel construction method according to an embodiment of the present invention will be described below with reference to the drawings. 1 and 2, reference numeral 1 denotes a tunnel. This tunnel 1
Is a cross section U constructed on the lower side of a track (traffic path) 2 in which a side wall 4 having a plurality of elements 3 and a bottom plate 5 provided between lower ends of these side walls 4 are integrally formed of concrete. It is composed of a V-shaped skeleton 6 and a slab 8 composed of a plurality of slab elements 7 spanned over the skeleton 6. The track 2 is laid on the floor slab 8 constituting the tunnel 1.
In addition, the code | symbol 11 in FIG. 1 is the support part provided in the both ends of the frame part 6, and the codes | symbols 12 and 13 are a starting pit and a reaching pit, respectively.
【０００８】次に、上記構成のトンネルの構築工法をそ
の施工手順に沿って説明する。 （１）図３及び図４に示すように、まず、トンネル１の
構築箇所における線路２の一方側に発進坑１２を構築す
るとともに他方側に到達坑１３を構築し、さらに、発進
坑１２側にエレメント３の推進装置１５を昇降架台１６
に支持させ、この推進装置１５によってエレメント３を
線路２の下側のトンネル１の側壁４部分となる箇所にお
ける地盤へ推進させる。 （２）上記のようにしてエレメント３を推進させたら、
発進坑１２の推進装置１５を撤去するとともに、エレメ
ント３の内部及びエレメント３同士の間にコンクリート
を打設して一体化させ、さらに、図５及び図６に示すよ
うに、発進坑１２及び到達坑１３においてエレメント３
の両端部分にコンクリートを打設してＵ字型の支持部１
１を構築する。Next, the construction method of the tunnel having the above configuration will be described in accordance with the construction procedure. (1) As shown in FIGS. 3 and 4, first, the starting pit 12 is constructed on one side of the track 2 at the construction point of the tunnel 1 and the reaching pit 13 is constructed on the other side, and further, the starting pit 12 side The propulsion device 15 for the element 3
The element 3 is propelled by the propulsion device 15 to the ground at a location that becomes the side wall 4 portion of the tunnel 1 below the track 2. (2) If the element 3 is propelled as described above,
The propulsion device 15 of the starting pit 12 is removed, and concrete is poured into the inside of the element 3 and between the elements 3 to be integrated, and further, as shown in FIGS. Element 3 in pit 13
Concrete is cast at both ends of the U-shaped support 1
Build 1.
【０００９】（３）次いで、図７から図９に示すよう
に、発進坑１２に、支持架台１７によって一対のガイド
レール１８を、側壁４の上端部を構成するエレメント３
ａと面一となるように支持し、このガイドレール１８上
に複数の床版エレメント７を載置させる。 （４）車両の停止時間帯にて、図７から図１０に示すよ
うに、線路２に工事桁２２を敷設し、この工事桁２２
を、エレメント３ａの外側に設けた支承用のエレメント
３ｂの上端部に支承させる。 （５）この状態において、側壁４間における線路２の下
方側の地盤を掘削してトンネル１の空間を構築し、ガイ
ドレール１８上に支持された床版エレメント７を、工事
桁２２によって支持された線路２の下方（図７及び図９
中矢印イ方向）へ移動させ、これら床版エレメント７を
工事桁２２によって支持されている線路２の下方に設置
し、側壁４の上端部を構成するエレメント３ａに架け渡
す。(3) Next, as shown in FIGS. 7 to 9, a pair of guide rails 18 is supported on the starting pit 12 by a support base 17, and an element 3 constituting the upper end of the side wall 4.
a, and a plurality of floor slab elements 7 are placed on the guide rails 18. (4) A construction girder 22 is laid on the railroad track 2 during the vehicle stop time as shown in FIGS.
Is supported on the upper end of a support element 3b provided outside the element 3a. (5) In this state, the ground below the track 2 between the side walls 4 is excavated to construct a space for the tunnel 1, and the floor slab element 7 supported on the guide rail 18 is supported by the construction girder 22. 7 and FIG.
The floor slab element 7 is installed below the track 2 supported by the construction girder 22 and is bridged over the element 3 a constituting the upper end of the side wall 4.
【００１０】（６）上記のように床版エレメント７を設
置したら、これら床版エレメント７からなる床版８上に
設置された線路２にバラストを充填し、その後、工事桁
２２を撤去する。(6) After the floor slab elements 7 are installed as described above, the track 2 installed on the floor slab 8 composed of the floor slab elements 7 is filled with ballast, and then the construction girder 22 is removed.
【００１１】以上、説明したように、上記トンネルの構
築工法によれば、線路２を工事桁２２によって支持する
とともに、線路２の下方側にて線路２と交差する水平方
向へ推進させたエレメント３によって工事桁２２を支承
した状態にて、その下方側の地盤を掘削してトンネル１
を構築するので、線路２の軌道内における作業を極力減
らすことができ、これにより、車両の運行にほとんど影
響を与えることなく、トンネル１を構築することができ
る。As described above, according to the above-described tunnel construction method, the line 2 is supported by the construction girder 22, and the element 3 is propelled in the horizontal direction crossing the line 2 below the line 2. In the state where the construction girder 22 is supported by the
Is constructed, the work in the track of the track 2 can be reduced as much as possible, whereby the tunnel 1 can be constructed with almost no influence on the operation of the vehicle.
【００１２】次に、他の手順のトンネルの構築工法を説
明する。 （Ａ）まず、上記（１）〜（３）の作業を行う。 （Ｂ）この状態において、図１１に示すように、ガイド
レール１８上に載置させた床版エレメント７からなる床
版８の上面に所定長さの線路２′を敷設し、バラストを
充填しておく。 （Ｃ）車両の停止時間帯にて、側壁４間における線路２
を撤去しその下方側の地盤を、例えばブルドーザー等に
よって側壁４の上端部を構成するエレメント３ａの高さ
以下となるように取り除くとともに、所定長さの線路
２′が敷設された床版８をガイドレール１８に沿って移
動させて、線路２の撤去部分に配置させ、線路２、２′
同士を連結する。 （Ｄ）その後、床版８の下方側を掘削し、トンネル１を
完成させる。Next, a tunnel construction method of another procedure will be described. (A) First, the above operations (1) to (3) are performed. (B) In this state, as shown in FIG. 11, a line 2 'having a predetermined length is laid on the upper surface of the floor slab 8 composed of the floor slab elements 7 mounted on the guide rails 18, and the ballast is filled. Keep it. (C) The track 2 between the side walls 4 during the stop time of the vehicle
And remove the ground on the lower side of the floor slab 8 with a bulldozer or the like so as to have a height equal to or less than the height of the element 3a constituting the upper end of the side wall 4, and remove the floor slab 8 on which the track 2 'having a predetermined length is laid. It is moved along the guide rail 18 and arranged at the removed portion of the track 2, and the tracks 2, 2 '
Connect each other. (D) Thereafter, the lower side of the floor slab 8 is excavated to complete the tunnel 1.
【００１３】そして、このトンネルの構築工法によれ
ば、線路２の構築するトンネル１の上部に配置されてい
る部分を、予め床版８の上部に所定長さだけ敷設した線
路２′と車両の停止時間帯にて交換するので、構築作業
の迅速化を図ることができるとともに、前述の構築工法
と同様に、車両の運行にほとんど影響を与えることな
く、トンネルを構築することができる。なお、上記の実
施の形態では、いずれも鉄道の線路の下方側にトンネル
を構築する場合を例にとって説明したが、自動車の道路
の下方側にトンネルを構築する場合も上記と同様の作業
を行えば良い。According to this tunnel construction method, a portion of the track 2, which is disposed above the tunnel 1, to be constructed, is previously laid on the floor slab 8 by a predetermined length with the track 2 ′. Since the replacement is performed during the stop time, the construction work can be speeded up, and the tunnel can be constructed with almost no influence on the operation of the vehicle, similarly to the construction method described above. In the above-described embodiments, the case where a tunnel is constructed below the railroad track is described as an example. However, the same operation as described above is performed when constructing a tunnel below the road of a car. Good.
【００１４】なおまた、エレメント３としては、トンネ
ル１の壁体となるものであれば、矩形状の鋼製エレメン
トに限らず、例えば、コンクリート製のパイプ等であっ
ても良い。また、特に長尺のトンネルを構築する場合
は、エレメント３の途中をアンカーにて地盤に支持させ
ることにより施工作業を容易にかつ確実に行うことがで
きる。The element 3 is not limited to a rectangular steel element but may be, for example, a concrete pipe or the like as long as it serves as a wall of the tunnel 1. In particular, when constructing a long tunnel, the construction work can be easily and reliably performed by supporting the middle of the element 3 on the ground with an anchor.
【００１５】[0015]
【発明の効果】以上、説明したように、本発明のトンネ
ルの構築工法によれば、下記の効果を得ることができ
る。請求項１記載のトンネルの構築工法によれば、線路
あるいは道路等の車両の通行路を工事桁によって支持す
るとともに、通行路の下方側にて水平方向へ推進させた
エレメントによって工事桁を支承した状態にて、その下
方側の地盤を掘削してトンネルを構築するので、通行路
を通行する車両の運行にほとんど影響を与えることな
く、トンネルを構築することができる。As described above, according to the tunnel construction method of the present invention, the following effects can be obtained. According to the construction method of the tunnel according to the first aspect of the present invention, the road of vehicles such as a track or a road is supported by the construction girder, and the construction girder is supported by an element which is propelled in a horizontal direction below the passage. In this state, a tunnel is constructed by excavating the ground below the ground, so that the tunnel can be constructed with almost no influence on the operation of vehicles passing through the traffic path.
【００１６】請求項２記載のトンネルの構築工法によれ
ば、構築するトンネルの上部の線路あるいは道路等の車
両の通行路を、予め床版の上部に所定長さだけ敷設した
通行路と交換するので、車両の運行にほとんど影響を与
えることなく極めて迅速に構築作業を行うことができ
る。即ち、通行路が線路の場合、車両の停止時間帯内に
て迅速に工事を完了させることができ、通行路が道路の
場合、車両の規制時間を短くすることができる。According to the construction method of the tunnel according to the second aspect, the traffic path of a vehicle such as a track or a road above the tunnel to be constructed is exchanged with a traffic path previously laid by a predetermined length above the floor slab. Therefore, the construction work can be performed very quickly without substantially affecting the operation of the vehicle. That is, when the traffic path is a track, the construction can be completed quickly within the vehicle stop time zone, and when the traffic path is a road, the regulation time of the vehicle can be shortened.
【図１】 本発明の実施の形態のトンネルの構築工法に
よって構築されたトンネルの構造を説明する側断面図で
ある。FIG. 1 is a side sectional view illustrating a structure of a tunnel constructed by a tunnel construction method according to an embodiment of the present invention.
【図２】 本発明の実施の形態のトンネルの構築工法に
よって構築されたトンネルの構造を説明する一部を断面
視した正面図である。FIG. 2 is a front view, partially in section, illustrating a structure of a tunnel constructed by a tunnel construction method according to an embodiment of the present invention.
【図３】 本発明の実施の形態のトンネルの構築工法を
説明するトンネルの構築箇所の側断面図である。FIG. 3 is a side sectional view of a tunnel construction site for explaining a tunnel construction method according to the embodiment of the present invention.
【図４】 本発明の実施の形態のトンネルの構築工法を
説明するトンネルの構築箇所の正面図である。FIG. 4 is a front view of a tunnel construction site for explaining a tunnel construction method according to the embodiment of the present invention.
【図５】 本発明の実施の形態のトンネルの構築工法を
説明するトンネルの構築箇所の側断面図である。FIG. 5 is a side sectional view of a tunnel construction location for explaining a tunnel construction method according to the embodiment of the present invention.
【図６】 本発明の実施の形態のトンネルの構築工法を
説明するトンネルの構築箇所の正面図である。FIG. 6 is a front view of a tunnel construction site for explaining a tunnel construction method according to the embodiment of the present invention.
【図７】 本発明の実施の形態のトンネルの構築工法を
説明するトンネルの構築箇所の側断面図である。FIG. 7 is a side sectional view of a tunnel construction site for explaining a tunnel construction method according to the embodiment of the present invention.
【図８】 本発明の実施の形態のトンネルの構築工法を
説明するトンネルの構築箇所の正面図である。FIG. 8 is a front view of a tunnel construction site for explaining a tunnel construction method according to the embodiment of the present invention.
【図９】 本発明の実施の形態のトンネルの構築工法を
説明するトンネルの構築箇所の平面図である。FIG. 9 is a plan view of a tunnel construction location for explaining a tunnel construction method according to the embodiment of the present invention.
【図１０】 本発明の実施の形態のトンネルの構築工法
を説明するトンネルの構築箇所の断面図である。FIG. 10 is a sectional view of a tunnel construction location for explaining a tunnel construction method according to the embodiment of the present invention.
【図１１】 本発明の他の実施の形態のトンネルの構築
工法を説明するトンネルの構築箇所の側断面図である。FIG. 11 is a side sectional view of a tunnel construction site for explaining a tunnel construction method according to another embodiment of the present invention.
１ トンネル ２ 線路（通行路） ３、３ａ、３ｂ エレメント ４ 側壁 ８ 床版 ２２ 工事桁 DESCRIPTION OF SYMBOLS 1 Tunnel 2 Track (passageway) 3, 3a, 3b Element 4 Side wall 8 Floor slab 22 Construction girder
───────────────────────────────────────────────────── フロントページの続き (72)発明者 下飯坂 俊彦 東京都港区東新橋１丁目２番７号 東京 エルグード株式会社内 (72)発明者 美浦 明彦 東京都千代田区有楽町一丁目12番１号 石川島建材工業株式会社内 (56)参考文献 特開 平８−170487（ＪＰ，Ａ) 特開 平４−14595（ＪＰ，Ａ) 特公 平４−39559（ＪＰ，Ｂ２) (58)調査した分野(Int.Cl.6，ＤＢ名) E21D 9/04 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Toshihiko Shimoizaka 1-2-7 Higashi-Shimbashi, Minato-ku, Tokyo Inside Tokyo Elgoud Co., Ltd. (72) Inventor Akihiko Miura 1-12-1 Yurakucho, Chiyoda-ku, Tokyo Ishikawajima (56) References JP-A-8-170487 (JP, A) JP-A-4-14595 (JP, A) JP-B-4-39559 (JP, B2) (58) Fields surveyed ( Int.Cl. 6 , DB name) E21D 9/04
Claims (2)
該通行路と交差する方向へトンネルを構築するトンネル
の構築工法であって、 前記通行路の下方にて、トンネルの側壁となる部分に側
方から複数のエレメントを推進させて上下方向へ併設
し、該エレメントの上端に工事桁を架け渡せ、該工事桁
によって前記通行路を支持させ、その後、前記側壁間に
おける前記通行路の下方側の地盤を掘削し、前記エレメ
ントの上端に床版を架け渡せるとともに前記工事桁を撤
去し、該床版によって前記通行路を支持させることを特
徴とするトンネルの構築工法。Claims 1. Below the traffic path of a vehicle such as a track, a road, etc.,
A tunnel construction method for constructing a tunnel in a direction intersecting with the traffic path, wherein a plurality of elements are propelled from the side to a side wall of the tunnel below the traffic path, and the tunnels are juxtaposed. A construction girder can be bridged over the upper end of the element, the construction girder supports the passage, and then the ground below the passage between the side walls is excavated, and a floor slab is suspended on the upper end of the element. A method for constructing a tunnel, wherein the construction girder is removable and the construction girder is removed, and the floor slab supports the traffic path.
通行路と交差する方向へトンネルを構築するトンネルの
構築工法であって、 前記通行路の下方にて、トンネルの側壁となる部分に側
方から複数のエレメントを推進させて上下方向へ併設
し、該エレメント間における上部近傍の地盤を前記通行
路ごと撤去し、この地盤を撤去した部分に、予め上部に
所定長さの通行路を敷設した床版を前記エレメントの上
端にスライドさせて架け渡せ、その後、前記側壁間にお
ける前記通行路の下方側の地盤を掘削することを特徴と
するトンネルの構築工法。2. A tunnel construction method for constructing a tunnel below a vehicle traffic path such as a track, a road or the like in a direction crossing the traffic path, wherein the tunnel is formed below the traffic path as a side wall of the tunnel. A plurality of elements are propelled from the side to the part and installed in the vertical direction, the ground near the upper part between the elements is removed together with the above-mentioned traffic path, and the part where the ground is removed has a predetermined length of A tunnel construction method, wherein a floor slab on which a road is laid is slid over an upper end of the element so as to be bridged, and thereafter, a ground under the traffic path between the side walls is excavated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9174757A JP2971835B2 (en) | 1997-06-30 | 1997-06-30 | Tunnel construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9174757A JP2971835B2 (en) | 1997-06-30 | 1997-06-30 | Tunnel construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1122366A JPH1122366A (en) | 1999-01-26 |
| JP2971835B2 true JP2971835B2 (en) | 1999-11-08 |
Family
ID=15984156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9174757A Expired - Lifetime JP2971835B2 (en) | 1997-06-30 | 1997-06-30 | Tunnel construction method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2971835B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4096106B2 (en) * | 2003-03-14 | 2008-06-04 | 大成建設株式会社 | Underpass structure and construction method |
| JP5209546B2 (en) * | 2009-03-10 | 2013-06-12 | 東日本旅客鉄道株式会社 | Construction method of the structure under the track |
| CN108867664B (en) * | 2018-09-04 | 2023-09-15 | 临沂大学 | Road-to-bridge Duan Jikeng supporting structure based on reverse construction method and construction method thereof |
-
1997
- 1997-06-30 JP JP9174757A patent/JP2971835B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1122366A (en) | 1999-01-26 |
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