JPS5929750B2 - Rock crushing method - Google Patents
Rock crushing methodInfo
- Publication number
- JPS5929750B2 JPS5929750B2 JP7309376A JP7309376A JPS5929750B2 JP S5929750 B2 JPS5929750 B2 JP S5929750B2 JP 7309376 A JP7309376 A JP 7309376A JP 7309376 A JP7309376 A JP 7309376A JP S5929750 B2 JPS5929750 B2 JP S5929750B2
- Authority
- JP
- Japan
- Prior art keywords
- rock
- hole
- crushing
- pressure fluid
- groove
- 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
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
【発明の詳細な説明】 本発明は岩盤を破砕する工法に関するものである。[Detailed description of the invention] The present invention relates to a construction method for crushing rock.
岩盤破砕工法としては岩盤に穴を穿孔し、その穴の内に
高圧流体を供給して破砕する工法が考えられる。A possible rock crushing method involves drilling a hole in the rock and supplying high-pressure fluid into the hole to crush the rock.
しかし、この破砕工法であると破砕位置および破砕方向
が不揃いとなり予期しない個所が破砕したりして危険で
あるという不具合を有している。However, this crushing method has the disadvantage that the crushing position and crushing direction are not aligned, resulting in fractures occurring in unexpected places, which is dangerous.
本発明は上記の事情に鑑みなされたものであり、その目
的は破砕位置および破砕方向を任意に決定できるように
した岩盤破砕工法を提供することである。The present invention has been made in view of the above circumstances, and its purpose is to provide a rock crushing method that allows the crushing position and crushing direction to be arbitrarily determined.
以下図面を参照して本発明の詳細な説明する。The present invention will be described in detail below with reference to the drawings.
岩盤Ａに穴Ｂを穿孔し、この穴Ｂに先端鋭利な形状の溝
Ｃを破砕方向に向けて削設した後に穴Ｂ内に高圧流体を
供給する。A hole B is bored in the rock A, and a groove C with a sharp tip is cut in the hole B in the direction of crushing, and then high-pressure fluid is supplied into the hole B.
このようにすると、溝Ｃの位置から溝Ｃの方向に沿って
亀裂が生じてその方向に破砕される。In this way, cracks are generated from the position of the groove C along the direction of the groove C, and the piece is fractured in that direction.
すなわち、第１図、第２図のように先端鋭利な形状の溝
Ｃを軸方向でかつ上下に対向して一対削設すると破砕面
りは軸方向でかつ上下方向となり、第４図、第５図のよ
うに先端鋭利な形状の溝Ｃを周方向に削設すると破砕面
りは第６図のように周方向となり、第７図のように先端
鋭オリな形状の溝Ｃを周方向に上向傾斜して削設すれば
破砕面りは漏斗状となる。That is, if a pair of grooves C with sharp tips are cut in the axial direction and facing each other vertically as shown in FIGS. 1 and 2, the fracture surface will be in the axial direction and in the vertical direction. If a groove C with a sharp tip is cut in the circumferential direction as shown in Fig. 5, the fracture surface will be in the circumferential direction as shown in Fig. 6, and if a groove C with a sharp tip is cut in the circumferential direction as shown in Fig. 7. If the fracture surface is cut with an upward slope, the fracture surface will become funnel-shaped.
ここで、高圧流体を穴Ｂ内に供給する手段としては、穴
Ｂ内に高圧流体供給ｖ１を臨ませ、この高圧流体供給管
１と穴Ｂさの間に環状のシール２を設けて穴Ｂ内をシー
ルし、その後に高圧流体を穴Ｂ内に供給すれば良い。Here, as a means for supplying high-pressure fluid into the hole B, a high-pressure fluid supply v1 is faced into the hole B, and an annular seal 2 is provided between the high-pressure fluid supply pipe 1 and the hole B. It is sufficient to seal the inside and then supply high pressure fluid into the hole B.
しかし、第９図のようにシール２カ月個であると高圧流
体が高圧流体供給管１の前端面３に作用して軸力Ｆが作
用してしまうので、第１０図のようにシール２を２個と
し、そのシール２，２間に開口４を穿孔して、前端面に
高圧流体が作用しないようにすればより一層効果的であ
る。However, if there are only two seals as shown in Fig. 9, the high-pressure fluid will act on the front end surface 3 of the high-pressure fluid supply pipe 1 and an axial force F will be applied. It would be even more effective if there were two seals and an opening 4 was formed between the seals 2 and 2 to prevent high-pressure fluid from acting on the front end surface.
本発明は前述のように構成したので、先端鋭利な形状の
溝Ｃの位置および方向により破砕位置および破砕方向が
決定される。Since the present invention is configured as described above, the crushing position and crushing direction are determined by the position and direction of the groove C having a sharp tip.
したがって、先端鋭利な形状の溝Ｃの位置および方向を
任意に変更することにより破砕位置および破砕方向を任
意に決定できる。Therefore, by arbitrarily changing the position and direction of the groove C having a sharp tip, the crushing position and crushing direction can be arbitrarily determined.
第１図は本発明の一実施例の断面図、第２図はその■−
■線断面図、第３図はその破砕面説明斜視図、第４図は
他の実施例の断面図、第５図はその■−ｖ線断面図、第
６図はその破砕面説明斜視図、第１図は他の実施例の断
面図、第８図はその破砕面斜視図、第９図はシール手段
の説明断面図、第１０図は他のシール手段の説明断面図
である。
Ａは岩盤、Ｂは穴、Ｃは溝、Ｄは破砕面。Figure 1 is a sectional view of one embodiment of the present invention, and Figure 2 is its ■-
3 is a perspective view illustrating its fractured surface, 4 is a sectional view of another embodiment, 5 is a sectional view taken along line 2-v, and 6 is a perspective view illustrating its fractured surface. , FIG. 1 is a sectional view of another embodiment, FIG. 8 is a perspective view of a fractured surface thereof, FIG. 9 is an explanatory sectional view of the sealing means, and FIG. 10 is an explanatory sectional view of another sealing means. A is the bedrock, B is the hole, C is the groove, and D is the fracture surface.
Claims (1)
状の溝Ｃを破砕方向に向けて削設した後に穴Ｂ内に高圧
流体を供給して破砕する岩盤破砕工法。 ２ 岩盤Ａに穴Ｂを穿孔し、この孔Ｂ内に先端鋭利な形
状の溝Ｃを破砕方向に向けて削設した後に穴Ｂ内をシー
ルし、その後に穴Ｂ内に高圧流体を供給して破砕する特
許請求の範囲第１項記載の岩盤破砕工法。[Claims] 1. A hole B is drilled in the rock A, and a groove C with a sharp tip is cut in the hole B in the direction of crushing, and then high pressure fluid is supplied into the hole B to crush the rock. Rock crushing method. 2. Drill a hole B in the rock A, cut a groove C with a sharp tip in the direction of fracture, seal the inside of the hole B, and then supply high-pressure fluid into the hole B. The rock crushing method according to claim 1, wherein the rock crushing method is performed by crushing the rock by crushing the rock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7309376A JPS5929750B2 (en) | 1976-06-23 | 1976-06-23 | Rock crushing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7309376A JPS5929750B2 (en) | 1976-06-23 | 1976-06-23 | Rock crushing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52156101A JPS52156101A (en) | 1977-12-26 |
| JPS5929750B2 true JPS5929750B2 (en) | 1984-07-23 |
Family
ID=13508366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7309376A Expired JPS5929750B2 (en) | 1976-06-23 | 1976-06-23 | Rock crushing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5929750B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60237367A (en) * | 1984-05-11 | 1985-11-26 | Konishiroku Photo Ind Co Ltd | Chemical analyzer |
| JPH045139B2 (en) * | 1984-05-11 | 1992-01-30 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59106693A (en) * | 1982-12-09 | 1984-06-20 | 株式会社 青木建設 | Hole enlarging type static crushing method |
| JPS603387A (en) * | 1983-06-17 | 1985-01-09 | 株式会社奥村組 | Rock drilling method |
-
1976
- 1976-06-23 JP JP7309376A patent/JPS5929750B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60237367A (en) * | 1984-05-11 | 1985-11-26 | Konishiroku Photo Ind Co Ltd | Chemical analyzer |
| JPH045139B2 (en) * | 1984-05-11 | 1992-01-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52156101A (en) | 1977-12-26 |
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