JP4589976B2 - Construction method of tunnel for excavating embankment - Google Patents
Construction method of tunnel for excavating embankment Download PDFInfo
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- JP4589976B2 JP4589976B2 JP2008053390A JP2008053390A JP4589976B2 JP 4589976 B2 JP4589976 B2 JP 4589976B2 JP 2008053390 A JP2008053390 A JP 2008053390A JP 2008053390 A JP2008053390 A JP 2008053390A JP 4589976 B2 JP4589976 B2 JP 4589976B2
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- embankment
- tunnel
- excavating
- exhaust pipe
- ventilation fan
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Description
本発明は、盛土を掘削するトンネルの構築方法に関するものである。 The present invention relates to a tunnel construction method for excavating embankments.
地盤にいったん盛土を行い、その盛土の一部を掘削してトンネルを構築する方法が存在する。
前記した従来の盛土を掘削するトンネルの構築方法にあっては、盛り立てた土砂を、再度掘削する際に、トンネルの掘削中には切羽付近に、掘削による粉塵や掘削機の排気ガスが充満する可能性があった。
In the tunnel construction method for excavating the conventional embankment described above, when excavating the earth and sand again, during the excavation of the tunnel, the excavated dust and exhaust gas from the excavator are filled near the face. There was a possibility.
上記のような目的を達成するために、本発明の盛土を掘削するトンネルの構築方法は、いったん盛土を行い、その盛土の一部を掘削してトンネルを構築する方法であって、盛土の構築中に、盛土の土砂の内部に、排気管を貫通した状態で埋設しておき、盛土の他端に貫通した排気管には換気ファンを取り付け、トンネルの掘削時には、この換気ファンを駆動しつつ、貫通した排気管により坑内の排気を行いつつ掘削を行う、盛土を掘削するトンネルの構築方法を特徴とするものである。
また本発明の盛土を掘削するトンネルの構築方法は、いったん盛土を行い、その盛土の一部を掘削してトンネルを構築する方法であって、盛土の構築中に、盛土の土砂の内部に、排気管を貫通した状態で埋設しておき、盛土の他端に貫通した排気管には換気ファンを取り付け、トンネルの掘削時には、この換気ファンを駆動し、さらに掘削側からは送気ファンによって空気を供給し、貫通した排気管により坑内の排気を行いつつ掘削を行う、盛土を掘削するトンネルの構築方法を特徴とするものである。
In order to achieve the above object, the tunnel construction method for excavating the embankment according to the present invention is a method for constructing a tunnel by excavating a part of the embankment and excavating a part of the embankment. during, the inside of the embankment of soil, previously buried in a state of penetrating the exhaust pipe, the exhaust pipe passing through the other end of the fill attaching a ventilation fan, when excavation of the tunnel, while driving the ventilation fan performs drilling while performing evacuation of downhole by penetrating exhaust pipe, is characterized in how to build a tunnel drilling embankment.
Moreover, the construction method of the tunnel for excavating the embankment of the present invention is a method of once embedding, excavating a part of the embankment to construct the tunnel, and during the construction of the embankment, inside the earth of the embankment, The exhaust pipe penetrates the exhaust pipe, and a ventilation fan is attached to the exhaust pipe that penetrates the other end of the bank. And a tunnel construction method for excavating embankments, in which excavation is performed while exhausting the inside of a mine through an exhaust pipe penetrating the exhaust pipe.
本発明の盛土を掘削するトンネルの構築方法は以上説明したように盛土の際に排気管を埋設してなるから、トンネルの切羽に滞留した粉塵や排気ガスなどは、排気管を介して盛土の反対側に吸引されて排出される。したがって、良好な作業環境の下に、安全に作業を行うことができる。
Since the construction method of the tunnel for excavating the embankment according to the present invention is as described above, the exhaust pipe is embedded at the time of embankment. Suctioned to the opposite side and discharged. Therefore, it is possible to work safely under a good working environment.
以下図面を参照にしながら本発明の好適な実施の形態を詳細に説明する。 DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
＜１＞盛土を行う。
地盤の上にいったん盛土１を行う。この盛土１は薄い層として土砂を撒き出し、各層ごとにローラーで転圧を行って締め固める。その締め固められた層の上にさらに薄く土砂を撒き出し、順次積み上げてゆく。
<1> Perform embankment.
Perform fill 1 once on the ground. This embankment 1 spreads the earth and sand as a thin layer, and compacts each layer by rolling with a roller. On top of the compacted layer, squeeze out more and more earth and sand and pile them up one after another.
＜２＞排気管３の埋設。
この盛土１の構築が完了したら、その後にトンネル４を掘削する。
そのために、盛土１の構築中に、盛土１の内部に排気管３埋設する。
この排気管３は、掘削する予定のトンネルの断面内に位置させる。排気管３の先端は盛土１の反対側へ貫通した状態で埋設しておき、排気管３の先端は盛土１の反対側へ露出した状態となる。
この排気管３はトンネル４の掘削の際には破壊する必要があるから、合成樹脂製の筒など、容易に破壊できる材料の筒体を採用する。
<2> Embedment of the exhaust pipe 3.
When the construction of the bank 1 is completed, the tunnel 4 is excavated thereafter.
For this purpose, the exhaust pipe 3 is embedded inside the embankment 1 during the construction of the embankment 1.
This exhaust pipe 3 is located in the cross section of the tunnel to be excavated. The tip of the exhaust pipe 3 is embedded in a state penetrating to the opposite side of the embankment 1, and the tip of the exhaust pipe 3 is exposed to the opposite side of the embankment 1.
Since the exhaust pipe 3 needs to be destroyed when the tunnel 4 is excavated, a cylinder made of a material that can be easily broken, such as a cylinder made of synthetic resin, is employed.
＜３＞トンネルの掘削。
盛土１の際に排気管３を埋設した場合について説明する。
トンネル４を掘削する際に盛土１の他端の貫通した排気管３には換気ファン５を取り付ける。
この換気ファンを駆動しつつ、トンネル４の掘削を行う。
さらに掘削側には送気ファン６によって新鮮な空気を供給する。
そのために、トンネル４の切羽に滞留した粉塵や排気ガスなどは、排気管３を介して盛土１の反対側に吸引されて排出される。
こうして掘削中のトンネル４坑内の排気を行いつつ掘削を行うことができる。
<3> Tunnel excavation.
The case where the exhaust pipe 3 is buried during the embankment 1 will be described.
When excavating the tunnel 4, a ventilation fan 5 is attached to the exhaust pipe 3 penetrating the other end of the embankment 1.
The tunnel 4 is excavated while driving this ventilation fan.
Further, fresh air is supplied to the excavation side by an air supply fan 6.
Therefore, dust, exhaust gas, etc. staying at the face of the tunnel 4 are sucked and discharged to the opposite side of the embankment 1 through the exhaust pipe 3.
In this way, excavation can be performed while exhausting the tunnel 4 in the tunnel being excavated.
１：盛土
３：排気管
４：トンネル
５：換気ファン
６：送気ファン
1: Embankment
3: Exhaust pipe
4: Tunnel
5: Ventilation fan
6: Air supply fan
Claims (2)
盛土の構築中に、盛土の土砂の内部に、排気管を貫通した状態で埋設しておき、
盛土の他端に貫通した排気管には換気ファンを取り付け、
トンネルの掘削時には、この換気ファンを駆動しつつ、貫通した排気管により坑内の排気を行いつつ掘削を行う、
盛土を掘削するトンネルの構築方法。
It is a method of once embedding and excavating a part of the embankment to build a tunnel,
During the construction of the embankment, bury it in the state of the embankment of the embankment with the exhaust pipe penetrating,
A ventilation fan is attached to the exhaust pipe that penetrates the other end of the embankment,
During excavation of the tunnel, while driving this ventilation fan, excavation while exhausting in the mine with the exhaust pipe that penetrated,
How to build a tunnel for excavating embankments.
盛土の構築中に、盛土の土砂の内部に、排気管を貫通した状態で埋設しておき、 During the construction of the embankment, buried in the state of the embankment of the embankment with the exhaust pipe penetrating,
盛土の他端に貫通した排気管には換気ファンを取り付け、A ventilation fan is attached to the exhaust pipe that penetrates the other end of the embankment,
トンネルの掘削時には、この換気ファンを駆動し、When excavating the tunnel, this ventilation fan is driven,
さらに掘削側からは送気ファンによって空気を供給し、Furthermore, air is supplied from the excavation side by an air supply fan,
貫通した排気管により坑内の排気を行いつつ掘削を行う、Excavating while evacuating the mine with a penetrating exhaust pipe,
盛土を掘削するトンネルの構築方法。How to build a tunnel for excavating embankments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008053390A JP4589976B2 (en) | 2008-03-04 | 2008-03-04 | Construction method of tunnel for excavating embankment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008053390A JP4589976B2 (en) | 2008-03-04 | 2008-03-04 | Construction method of tunnel for excavating embankment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11152272A Division JP2000336680A (en) | 1999-05-31 | 1999-05-31 | Construction method of tunnel to excavate embankment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008133723A JP2008133723A (en) | 2008-06-12 |
| JP4589976B2 true JP4589976B2 (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008053390A Expired - Fee Related JP4589976B2 (en) | 2008-03-04 | 2008-03-04 | Construction method of tunnel for excavating embankment |
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| Country | Link |
|---|---|
| JP (1) | JP4589976B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57201493A (en) * | 1981-06-03 | 1982-12-09 | Kubota Ltd | Construction of passage |
| JPS61270420A (en) * | 1985-05-23 | 1986-11-29 | Tekken Kensetsu Co Ltd | Building method for banking where tunnel construction is planned |
| JP3135826B2 (en) * | 1995-09-14 | 2001-02-19 | 株式会社奥村組 | How to build an arch tunnel structure in embankment |
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