JP4202331B2 - 横坑の掘削方法 - Google Patents
横坑の掘削方法 Download PDFInfo
- Publication number
- JP4202331B2 JP4202331B2 JP2005048708A JP2005048708A JP4202331B2 JP 4202331 B2 JP4202331 B2 JP 4202331B2 JP 2005048708 A JP2005048708 A JP 2005048708A JP 2005048708 A JP2005048708 A JP 2005048708A JP 4202331 B2 JP4202331 B2 JP 4202331B2
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- Prior art keywords
- discharge
- excavation
- hole
- free surface
- holes
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- 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.)
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- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Disintegrating Or Milling (AREA)
Description
3 自由面、4 放電用孔、5 孔、6 溝、63 電解液、70 放電用電極、
79 放電部、X 横坑の掘削進行方向。
Claims (4)
- 横坑の掘削対象部に横坑の掘削進行方向と掘削進行方向と直交する方向とに延長する自由面を形成するとともに掘削進行方向に延長する放電用孔を形成し、放電用孔内に放電用電極を設け、この放電用電極の放電部での放電により衝撃波を発生させ、衝撃波で放電用孔と自由面との間の掘削対象部を破砕して横坑を掘削する横坑の掘削方法であって、掘削進行方向に延長する複数の孔を掘削進行方向と直交する方向に互いに連続させて形成した溝の内面により自由面を形成したことを特徴とする横坑の掘削方法。
- 自由面で挟まれた掘削対象部に複数の放電用孔を設け、これら複数の放電用孔を自由面に沿う方向において千鳥状となるよう配置したことを特徴とする請求項1に記載の横坑の掘削方法。
- 自由面の掘削進行方向における先端と放電用孔の掘削進行方向における先端とを、掘削進行方向と直交する同一平面上に設定したことを特徴とする請求項1または請求項2に記載の横坑の掘削方法。
- 放電用電極の放電部を一の放電用孔内の任意の位置に設置して放電を行なった後に当該一の放電用孔内に設置する放電用電極の放電部の位置を変更して放電を行うことを特徴とする請求項1ないし請求項3のいずれかに記載の横坑の掘削方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005048708A JP4202331B2 (ja) | 2005-02-24 | 2005-02-24 | 横坑の掘削方法 |
KR1020067019961A KR20070029152A (ko) | 2004-03-31 | 2005-03-28 | 파쇄 대상물을 파쇄하는 방전 파쇄 방법, 방전 파쇄 방법을이용한 횡갱의 굴착 방법, 및 입갱의 굴착 방법 |
PCT/JP2005/005772 WO2005095758A1 (ja) | 2004-03-31 | 2005-03-28 | 破砕対象物を破砕する放電破砕方法、放電破砕方法を利用した横坑の掘削方法、並びに、立坑の掘削方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005048708A JP4202331B2 (ja) | 2005-02-24 | 2005-02-24 | 横坑の掘削方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006233547A JP2006233547A (ja) | 2006-09-07 |
JP4202331B2 true JP4202331B2 (ja) | 2008-12-24 |
Family
ID=37041506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005048708A Expired - Fee Related JP4202331B2 (ja) | 2004-03-31 | 2005-02-24 | 横坑の掘削方法 |
Country Status (1)
Country | Link |
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JP (1) | JP4202331B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109458188A (zh) * | 2018-11-12 | 2019-03-12 | 中铁工程装备集团有限公司 | 高压脉冲放电-机械联合破岩的隧道掘进机用刀盘 |
-
2005
- 2005-02-24 JP JP2005048708A patent/JP4202331B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2006233547A (ja) | 2006-09-07 |
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