JP2873396B2 - Track temporary construction method - Google Patents
Track temporary construction methodInfo
- Publication number
- JP2873396B2 JP2873396B2 JP24102090A JP24102090A JP2873396B2 JP 2873396 B2 JP2873396 B2 JP 2873396B2 JP 24102090 A JP24102090 A JP 24102090A JP 24102090 A JP24102090 A JP 24102090A JP 2873396 B2 JP2873396 B2 JP 2873396B2
- Authority
- JP
- Japan
- Prior art keywords
- track
- construction
- suspension
- super wing
- girder
- 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
- Machines For Laying And Maintaining Railways (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、鉄道駅などの総合駅ビル化など、線路や道
路等の軌道を取り込んで、軌道と一体化された構造物を
施工する際に用いられて好適な軌道仮受け施工方法に関
するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method of constructing a structure integrated with a track by taking in a track such as a track or a road, such as a general station building such as a railway station. The present invention relates to a preferred method for temporarily providing a track to be used in a vehicle.
［従来の技術］ 従来、軌道を取り込んで軌道との一体構造物を構築す
るに際しては、一般的に、次のような施工法が採用され
ていた。第３図および第４図を参照して、従来の施工法
の一例を、工程順に説明する。この例は、線路を取り込
んで総合駅ビルを構築する場合の施工方法である。[Prior Art] Conventionally, when a track is taken in to construct an integral structure with the track, the following construction method has been generally adopted. An example of a conventional construction method will be described in the order of steps with reference to FIGS. This example is a construction method when a railway station is taken in to construct a comprehensive station building.
〈工程１〉 第３図に示すようにして、現場の線路１下
の地中に、複数本の仮受け杭2,2…を打ち込み、これら
の仮受け杭2,2…の上に、線路１を支持するための仮受
け桁3,3を施工し、この仮受け桁3,3によって線路１の荷
重を受けるようにする。<Step 1> As shown in FIG. 3, a plurality of temporary receiving piles 2, 2... Are driven into the ground under the track 1 at the site, and the rails are placed on these temporary receiving piles 2, 2. The temporary girder 3,3 for supporting the rail 1 is constructed, and the load of the track 1 is received by the temporary girder 3,3.
〈工程２〉 次に、第４図に示すようにして、地中の掘
削作業を行う。掘削された穴４の周縁部には、該穴４の
壁面の土流れを防止するための土留壁５を形成し、ま
た、穴４の内部には、土留壁５を支えるための支保工
（図示略）を施工する。<Step 2> Next, an underground excavation operation is performed as shown in FIG. A retaining wall 5 for preventing soil flow on the wall surface of the hole 4 is formed at a peripheral portion of the excavated hole 4, and a supporter (for supporting the retaining wall 5) is formed inside the hole 4. (Not shown).
〈工程３〉 地中および地上に、目的の総合駅ビルとな
る構造物６を溝築する。この総合駅ビルは、線路１を取
り込んで線路１と一体化された構成を有するものとし、
第４図中では２点鎖線で示されている。その後、前記支
保工を撤去する。<Step 3> Underground and on the ground, a structure 6 to be a target general station building is constructed. This general station building has a configuration that incorporates the track 1 and is integrated with the track 1.
In FIG. 4, it is shown by a two-dot chain line. Thereafter, the shoring is removed.
〈工程４〉 線路１の荷重を、先に線路１の仮受けを行
った前記仮受け桁3,3から構造物６の一部に受け替え、
これらの仮受け桁3,3を撤去する。<Step 4> The load on the line 1 is transferred from the temporary receiving girders 3, 3 to which the line 1 was temporarily received to a part of the structure 6,
Remove these temporary girder 3,3.
〈工程５〉 構造物６の建築工事を続行し、構造物６を
完成する。<Step 5> The construction of the structure 6 is continued, and the structure 6 is completed.
［発明が解決しようとする課題］ ところが、前述したような従来の施工法によれば、地
中の下部構造物（仮受け杭２、仮受け桁３など）の施工
が完了した後、この下部構造物によって線路１の荷重を
仮受けし、この状態で、目的の構造物６の建築工事を行
うため、どうしても工期が長くなるといった欠点があっ
た。そのため、線路や鉄道、あるいは総合駅ビル等の構
造物の利用者に、長期に亙る不便を与えることになると
いった不満が生じた。また、工期の延長化に伴って、費
用が高くつくなどの欠点もあった。[Problems to be Solved by the Invention] However, according to the conventional construction method as described above, after the construction of the underground substructure (temporary receiving pile 2, temporary receiving girder 3, etc.) is completed, Since the load of the track 1 is temporarily received by the structure and the construction of the target structure 6 is performed in this state, there is a disadvantage that the construction period is necessarily lengthened. For this reason, there has been dissatisfaction that users of structures such as railways, railways, and general station buildings will be inconvenienced for a long time. In addition, there was a drawback that the cost was increased with the extension of the construction period.
また、〈工程１〉の仮受け杭2,2…の打ち込みなどの
工事を、どうしても夜間の列車運休時の間に行わなくて
はならないといった作業上の不便もあり、工期を延ばし
てしまうことの一因ともなっていた。また、線路１内へ
の立ち入り作業が非常に多く、作業時の事故の危険性な
どが大きいという問題もあった。In addition, there is also inconvenience in the work such as driving the temporary receiving piles 2, 2 ... in <Process 1> during the nighttime train suspension, which is a factor in extending the construction period. It was with. Further, there is also a problem that the number of operations to enter the track 1 is extremely large, and the risk of an accident during the operation is large.
本発明は、前記事情に鑑みてなされたものであって、
下部構造物（仮受け杭、仮受け桁等）の施工を省略する
とともに、構造物の地中部分と地上部分とを同時進行に
より施工して、施工性の向上および工期の短縮化を図っ
た軌道仮受け施工方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,
The construction of substructures (temporary piles, temporary girders, etc.) was omitted, and the underground part and the ground part of the structure were constructed simultaneously to improve workability and shorten the construction period. The purpose is to provide a method for temporary track installation.
［課題を解決するための手段］ 本発明は、軌道を取り込んで、軌道と一体化された構
造物を施工する軌道仮受け施工方法であって、 溝造物の基礎となる連続壁基礎を、軌道下の地中に構
築し、この連続壁基礎の地上部分の所定の高さ位置に
は、スーパーウィングを施工し、 次いで、このスーパーウィングの梁には、少なくとも
２本以上の吊材を懸垂して設け、これらの吊材の下端部
には、前記軌道を支持するための吊桁を設け、 次いで、軌道の下に前記吊桁を設置した後、この吊桁
と前記スーパーウィングの梁とを連結する吊材を緊張し
て、軌道の荷重をこの吊材によって仮受けし、 この軌道の仮受け状態において、軌道下の地中の掘削
作業および地中での基礎部の施工、並びにスーパーウィ
ング上での構造物の地上部分の構築作業を、同時進行に
よって施工することを特徴とすることを解決手段とし
た。[Means for Solving the Problems] The present invention relates to a track temporary receiving construction method for taking a track and constructing a structure integrated with the track, comprising: A super wing is constructed at a predetermined height of the ground portion of the continuous wall foundation under the ground, and at least two or more hanging members are suspended on the beam of the super wing. The suspension girder is provided at the lower end of these suspension members to support the track, and then, after the suspension girder is installed under the track, the suspension girder and the beam of the super wing are connected. Tension is applied to the hanging material to be connected, and the load on the track is temporarily received by the hanging material. In this temporarily received condition of the track, underground excavation work under the track, construction of the underground foundation, and super wing The above construction work of the ground part of the structure, It was solutions that characterized by construction by time progresses.
［作用］ 本発明の軌道仮受け施工方法によれば、スーパーウィ
ングを施工するので、このスーパーウィングを作業構台
として利用すれば、このスーパーウィングの上と下と
で、構造物の地中部分および地上部分を、同時進行によ
って施工することができるようになる。また、スーパー
ウィング構造物の梁から吊桁によって軌道を吊り下げ、
この軌道の荷重を仮受けするので、従来の仮受け杭が不
要となり、作業の簡略化および省力化を図ることができ
る。[Operation] According to the track temporary receiving construction method of the present invention, since the super wing is constructed, if this super wing is used as a work gantry, the underground portion and the ground portion of the structure are located above and below the super wing. Can be constructed simultaneously. In addition, the track is suspended from the beam of the super wing structure by a suspension girder,
Since the load of this track is temporarily received, the conventional temporary receiving pile is not required, and the operation can be simplified and labor can be saved.
［実施例］ 以下、実施例を示し、第１図および第２図を参照し
て、本発明を、手順にしたがって詳しく説明する。EXAMPLES Hereinafter, the present invention will be described in detail according to procedures with reference to FIGS. 1 and 2 showing examples.
第１図および第２図は、本発明の軌道仮受け施工方法
の一実施例を説明するためのもので、線路を取り込んで
総合駅ビルを構築する場合の施工方法である。FIG. 1 and FIG. 2 are views for explaining an embodiment of a track temporary receiving construction method of the present invention, and show a construction method when a railway station is taken in to construct a comprehensive station building.
〈工程１〉 まず、施工現場の線路下の地中に、連続壁基礎10を施
工する。この連続壁基礎10は、目的とする総合駅ビル等
の構造物11の基礎となるものである。<Step 1> First, the continuous wall foundation 10 is constructed under the track at the construction site. This continuous wall foundation 10 is a foundation of a target structure 11 such as a general station building.
〈工程２〉 この連続壁基礎10の上に、スーパーウィング12を構築
する。スーパーウィング12には、本出願人が先に出願し
たトラス梁（特願昭61-21509、特願昭61-21510等）を用
いると良い。このトラス梁は、上弦材12a、下弦材12b、
ラチス材12cで組まれたトラス材で形成され、その下弦
材12bの下側には、スパン方向に延びるPC鋼材（図示
略）が一体に取り付けられており、このPC鋼材の緊張に
よりプレストレスが導入されたものである。そして、こ
のスーパーウィング12の下弦材12bの下側には、該下弦
材12bにほぼ沿って平行に、梁13を設けておく。<Step 2> A super wing 12 is constructed on the continuous wall foundation 10. As the super wing 12, a truss beam previously applied by the present applicant (Japanese Patent Application No. 61-21509, Japanese Patent Application No. 61-21510, etc.) may be used. This truss beam is composed of upper chord material 12a, lower chord material 12b,
PC steel (not shown) extending in the span direction is integrally attached to the lower side of the lower chord 12b. The prestress is formed by the tension of the PC steel. It has been introduced. Under the lower chord material 12b of the super wing 12, a beam 13 is provided substantially in parallel with the lower chord material 12b.
〈工程３〉 このスーパーウィング（トラス梁）12の梁13に、数本
の吊材14,14を、下方へ懸垂状態に取り付ける。吊材14,
14の梁13への取り付けは、ストッパー付きのローラー支
承15,15などによって行い、これによって吊材14,14が梁
13に沿って水平方向にスライド可能となるようにする。
そして、これらの吊材14,14の下端部には、後述する線
路20を仮受けするための吊桁16を水平状態に取り付け
る。<Step 3> On the beam 13 of the super wing (truss beam) 12, several hanging members 14, 14 are attached in a suspended state downward. Hanging materials 14,
14 is attached to the beam 13 by roller bearings 15, 15 with stoppers, so that the hanging members 14, 14
13 so that it can slide horizontally.
At the lower ends of these suspension members 14, 14, a suspension girder 16 for temporarily receiving a track 20, which will be described later, is attached in a horizontal state.
〈工程４〉 線路20の下に、この吊桁16を設置し、この吊桁16と前
記スーパーウィング12の梁13とを連結する吊材14,14を
緊張させ、これによって線路20の荷重を吊材14,14によ
り仮受けするようにする。<Step 4> The suspension girder 16 is installed under the line 20, and the suspension members 14, 14 connecting the suspension girder 16 and the beam 13 of the super wing 12 are tensioned, whereby the load on the line 20 is reduced. The temporary receiving is performed by the hanging members 14,14.
〈工程５〉 この吊桁14,14による線路20荷重の仮受けの状態にお
いて、先に施工されたスーパーウィング12を作業構台と
して利用し、このスーパーウィング12の下と上とで、目
的の構造物11の地中部分と地上部分の構築作業を、同時
進行により行う。<Process 5> In the state where the load of the track 20 is temporarily received by the suspension girders 14, 14, the super wing 12 constructed earlier is used as a work gantry, and the desired structure is formed below and above the super wing 12. The construction work of the underground part and the ground part of the object 11 is performed simultaneously.
すなわち具体的には、スーパーウィング12の下では、
地中の掘削作業を行う。掘削によって形成された穴に
は、該穴の周縁部の土流れを防止するための土留壁は、
連続壁に兼用させ、さらに、この土留壁を支えるための
支保工（図示略）を施工する。そして、目的の構造物11
の地中部分、例えば基礎部や線路躯体の構築を行う。That is, specifically, under super wing 12,
Underground excavation work. In the hole formed by excavation, a retaining wall for preventing soil flow at the peripheral portion of the hole,
A supporting wall (not shown) for supporting the retaining wall is also constructed so as to be used as the continuous wall. Then, the target structure 11
Of the underground part, for example, the foundation and the track body.
また、スーパーウィング12の上では、目的の構造物11
の地上部分、例えば駅、デパート、事務所などを含む総
合駅ビルの建物の地上部分を構築する。On the super wing 12, the target structure 11
For example, a ground portion of a building of a comprehensive station building including a station, a department store, an office, and the like is constructed.
〈工程６〉 線路20の荷重を、先に線路20を仮受けした吊桁16か
ら、構造物11の一部、例えば床などによって受け替える
ようにし、この吊桁16と吊材14,14とを撤去する。さら
に、先に施工された支保工も撤去する。<Step 6> The load on the line 20 is changed from the suspension girder 16 on which the line 20 has been temporarily received by a part of the structure 11, for example, the floor, and the suspension girder 16 and the suspension members 14, 14. To remove. In addition, the previously installed shoring will also be removed.
このように、本実施例の軌道仮受け施工方法によれ
ば、地中の掘削および構造物11の構築に先立って、スー
パーウィング12を先行施工するので、このスーパーウィ
ング12の梁13に懸垂された吊桁16に線路20を載せること
により、線路20の荷重を仮受けすることができる。よっ
て、従来のような仮受け杭の施工を不要として、現場施
工の簡略化および省力化を図ることができる。また、仮
受け杭の施工を省略できることから、夜間列車の運行の
合間をぬって線路内に立ち入って作業を行うようなこと
がなくなり、作業時の安全性が確保され、作業能率も格
段に良くなる。また、仮受け杭を設けないので、線路20
下の地中の掘削作業が容易になり、さらに、掘削後の穴
（作業空間）が非常に広く、施工性が大幅に改善され
る。As described above, according to the track temporary receiving construction method of the present embodiment, the super wing 12 is pre-constructed prior to the excavation in the ground and the construction of the structure 11, so that the super wing 12 is suspended on the beam 13 of the super wing 12. By placing the line 20 on the suspended girder 16, the load on the line 20 can be temporarily received. Therefore, it is not necessary to construct temporary receiving piles as in the related art, and simplification and labor saving of on-site construction can be achieved. In addition, since the construction of temporary piles can be omitted, there is no need to enter the track during the night train operation and work on the track, ensuring safety at the time of work and significantly improving work efficiency. Become. In addition, since no temporary support pile is provided,
Underground excavation work becomes easy, and the hole (work space) after excavation is very wide, so that the workability is greatly improved.
また、スーパーウィング12を先行施工することで、こ
のスーパーウィング12を作業構台として利用することに
より、スーパーウィング12の下と上とで、それぞれ、目
的の構造物11の地中部分（例えば基礎部や線路躯体な
ど）と、地上部分（例えば駅、デパート、事務所などを
含む建物）とを、同時進行によって施工することができ
る。したがって、工期の短縮化を図り、これに伴う工費
の削減を図ることができる。In addition, by pre-constructing the super wing 12 and using the super wing 12 as a work gantry, the underground part of the target structure 11 and the underground part of the target structure 11 (for example, And a track body, etc.) and a ground portion (for example, a building including a station, a department store, an office, etc.) can be constructed simultaneously. Therefore, the construction period can be shortened, and the accompanying construction cost can be reduced.
また、本実施例では、吊材14,14がスーパーウィング1
2の梁13に対してストッパー付きのローラー支承15,15に
より取り付けられているので、吊材14,14の水平方向へ
のスライドが可能とされ、たとえ作業上、線路20を横に
振る必要が生じた場合にでも容易に対応させることがで
きて、非常に施工性が良い。Further, in the present embodiment, the hanging members 14 and 14 are
Since it is attached to the beam 13 of 2 by the roller bearings 15 and 15 with stoppers, it is possible to slide the hanging members 14 and 14 in the horizontal direction, even if it is necessary to swing the track 20 for work. Even if it occurs, it can be easily dealt with and the workability is very good.
なお、本発明の軌道仮受け施工方法は、前記実施例に
限られるものではなく、各部材の形状、寸法、材質等の
具体的構成要件は、実施に当たり適宜変更可能である。In addition, the method for temporarily supporting a track according to the present invention is not limited to the above-described embodiment, and specific configuration requirements such as shapes, dimensions, and materials of each member can be appropriately changed upon implementation.
前記実施例では、この軌道仮受け施工方法を、線路を
取り込んで総合駅ビルを構築する場合の施工に適用した
例について述べたが、軌道と一体化された構成の構造物
を構築する施工に適用されればこれ以外であってもよ
く、例えば線路は道路であってもよいし、総合駅ビルは
他の建物であってもよい。In the above-described embodiment, the example in which this track temporary receiving construction method is applied to the construction in the case of incorporating a track and constructing a comprehensive station building has been described, but the construction for constructing a structure integrated with the track is described. Other than that, if applicable, for example, the track may be a road, and the general station building may be another building.
［発明の効果］ 以上説明したように、本発明の軌道仮受け施工方法に
よれば、スーパーウィングを施工し、このスーパーウィ
ングにより軌道の荷重を仮受けするので、スーパーウィ
ングを作業構台として利用すれば、このスーパーウイン
グの上と下とで、構造物の地上部分と地下部分とを、そ
れぞれ別個にかつ同時進行により施工することができ
る。したがって、工期の短縮化を図ることができる。[Effects of the Invention] As described above, according to the track temporary receiving construction method of the present invention, a super wing is constructed and the load of the track is temporarily received by the super wing, so that the super wing can be used as a work gantry. For example, above and below the super wing, the above-ground portion and the underground portion of the structure can be constructed separately and simultaneously. Therefore, the construction period can be shortened.
また、スーパーウィングの梁に懸垂された吊桁によっ
て軌道を仮受けするので、従来の線路仮受杭の施工が不
要となり、施工作業の簡略化および省力化を図ることが
できる。また、地中に仮受け杭を打ち込む必要がなくな
ることから、施工時間を選ばず、施工性が向上するとと
もに、作業員の安全性も確保される。Moreover, since the track is temporarily received by the suspension girder suspended from the beam of the super wing, the construction of the conventional temporary rail pile is not required, and the construction work can be simplified and labor can be saved. In addition, since it is not necessary to drive the temporary receiving pile into the ground, the workability can be improved regardless of the construction time, and the safety of the worker can be secured.
第１図および第２図は、本発明の軌道仮受け施工方法の
一実施例を工程順に示すそれぞれ断面図であり、第３図
および第４図は、従来の施工法の一例を工程順に示すそ
れぞれ断面図である。 10……連続壁基礎、11……総合駅ビル（構造物）、12…
…スーパーウィング、13……梁、14……吊材、16……吊
桁、20……線路（軌道）。1 and 2 are sectional views showing an embodiment of a track temporary receiving construction method of the present invention in the order of steps, and FIGS. 3 and 4 show an example of a conventional construction method in the order of steps. It is sectional drawing respectively. 10 …… wall wall foundation, 11 …… general station building (structure), 12…
... Super wing, 13 ... Beam, 14 ... Hanging material, 16 ... Hanging girder, 20 ... Track (track).
───────────────────────────────────────────────────── フロントページの続き (72)発明者 草刈 太一 東京都中央区京橋２丁目16番１号 清水 建設株式会社内 (72)発明者 大藤 進 東京都中央区京橋２丁目16番１号 清水 建設株式会社内 (72)発明者 藤田 誠 東京都中央区京橋２丁目16番１号 清水 建設株式会社内 (72)発明者 櫟原 昇 東京都中央区京橋２丁目16番１号 清水 建設株式会社内 (56)参考文献 特開 平１−244041（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) E01B 37/00 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Taichi Kusakari 2-16-1, Kyobashi, Chuo-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Susumu Suto 2-16-1, Kyobashi, Chuo-ku, Tokyo Shimizu Construction (72) Inventor Makoto Fujita 2-16-1, Kyobashi, Chuo-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Noboru Ichihara 2-6-1 Kyobashi, Chuo-ku, Tokyo Shimizu Construction Co., Ltd. 56) References JP-A-1-244041 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) E01B 37/00
Claims (1)
造物を施工する軌道仮受け施工方法であって、 溝造物の基礎となる連続壁基礎を、軌道下の地中に構築
し、この連続壁基礎の地上部分の所定の高さ位置には、
スーパーウィングを施工し、 次いで、このスーパーウィングの梁には、少なくとも２
本以上の吊材を懸垂して設け、これらの吊材の下端部に
は、前記軌道を支持するための吊桁を設け、 次いで、軌道の下に前記吊桁を設置した後、この吊桁と
前記スーパーウィングの梁とを連結する吊材を緊張し
て、軌道の荷重をこの吊材によって仮受けし、 この軌道の仮受け状態において、軌道下の地中の掘削作
業および地中での基礎部の施工、並びにスーパーウィン
グ上での構造物の地上部分の構築作業を、同時進行によ
って施工することを特徴とする軌道仮受け施工方法。1. A method of temporarily receiving a track to take a track and construct a structure integrated with the track, the method comprising: constructing a continuous wall foundation which is a foundation of a trench structure in the ground under the track; At a predetermined height position on the ground part of this continuous wall foundation,
Construct a super wing and then add at least 2
At least two suspension members are provided in suspension, and a suspension girder for supporting the track is provided at the lower end of these suspension members. Then, after the suspension girder is installed under the track, the suspension girder is The suspension member connecting the super wing and the beam of the super wing is tensioned, and the load of the track is temporarily received by the suspension member. A temporary track receiving construction method, wherein construction of a foundation portion and construction work of a ground portion of a structure on a super wing are carried out simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24102090A JP2873396B2 (en) | 1990-09-11 | 1990-09-11 | Track temporary construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24102090A JP2873396B2 (en) | 1990-09-11 | 1990-09-11 | Track temporary construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04120301A JPH04120301A (en) | 1992-04-21 |
| JP2873396B2 true JP2873396B2 (en) | 1999-03-24 |
Family
ID=17068144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24102090A Expired - Fee Related JP2873396B2 (en) | 1990-09-11 | 1990-09-11 | Track temporary construction method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2873396B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101665921B1 (en) | 2011-11-08 | 2016-10-12 | 가부시끼가이샤 도시바 | Image coding method, image decoding method, image coding apparatus, and image decoding apparatus |
-
1990
- 1990-09-11 JP JP24102090A patent/JP2873396B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04120301A (en) | 1992-04-21 |
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