JPS59163689U - Resistor for expanding crushing agent in tunnel excavation method etc. - Google Patents
Resistor for expanding crushing agent in tunnel excavation method etc.Info
- Publication number
- JPS59163689U JPS59163689U JP2957984U JP2957984U JPS59163689U JP S59163689 U JPS59163689 U JP S59163689U JP 2957984 U JP2957984 U JP 2957984U JP 2957984 U JP2957984 U JP 2957984U JP S59163689 U JPS59163689 U JP S59163689U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- excavation method
- crushing
- method etc
- tunnel excavation
- 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.)
- Pending
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図はこの発明の一実施例を示し、第1図、第3図、第4
図は破砕工程途中を示す正面図、第2図は第1図A−A
線断面図、笹5図及び第6図は夫々要部の解説縦断面を
示すものである。
符号説明、1・・・・・・トンネル、2・・・・・・ス
リット、3、 3a、 3b・・・・・・壁面、4a
、 4b、 4c・・・・・・注入孔、5・・・・
・・岩盤、6・・・・・・膨張破砕剤、7.1・・・・
・亀裂、9・・・・・・小孔、a・・・・・・注入口部
附近の抵抗体、b・・・・・・同奥部附近の抵抗体、S
・・・・・・連結棒、0・・・・・・高圧蒸気床、P・
・・・・・圧力。The figures show one embodiment of the present invention, and Fig. 1, Fig. 3, Fig. 4.
The figure is a front view showing the middle of the crushing process, and Figure 2 is Figure 1 A-A.
The line cross-sectional view, Fig. 5, and Fig. 6 show explanatory longitudinal cross-sections of important parts, respectively. Description of symbols: 1...Tunnel, 2...Slit, 3, 3a, 3b...Wall surface, 4a
, 4b, 4c... Injection hole, 5...
...rock, 6...expansion crushing agent, 7.1...
・Crack, 9...Small hole, a...Resistor near the injection port, b...Resistor near the inner part, S
...... Connecting rod, 0... High pressure steam bed, P.
·····pressure.
Claims (1)
抗体を取付けた連結棒を挿入すると共に膨張破砕削を充
填し、該膨張破砕削の体積膨張によって岩盤に亀裂を発
生せしめ、該岩盤を破砕する工法に於て前記抵抗体のう
ち、少なくとも連結棒の上側に取付けられた抵抗体に適
宜数の小孔を開穿せしめることを特徴とするトンネル等
の掘削工法に於ける膨張破砕剤用抵抗体。Connecting rods with resistors attached to the top and bottom are inserted into the injection holes drilled during the excavation method of tunnels, etc., and expanded crushing is filled, and the volumetric expansion of the expansion crushing causes cracks in the rock, causing the rock to grow. For use as an expanding crushing agent in an excavation method for tunnels, etc., characterized in that an appropriate number of small holes are drilled in at least the resistor attached to the upper side of the connecting rod among the resistors in the crushing method. resistor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2957984U JPS59163689U (en) | 1984-03-01 | 1984-03-01 | Resistor for expanding crushing agent in tunnel excavation method etc. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2957984U JPS59163689U (en) | 1984-03-01 | 1984-03-01 | Resistor for expanding crushing agent in tunnel excavation method etc. |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59163689U true JPS59163689U (en) | 1984-11-01 |
Family
ID=30160438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2957984U Pending JPS59163689U (en) | 1984-03-01 | 1984-03-01 | Resistor for expanding crushing agent in tunnel excavation method etc. |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59163689U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5816294B2 (en) * | 1975-08-15 | 1983-03-30 | 株式会社東芝 | color print |
-
1984
- 1984-03-01 JP JP2957984U patent/JPS59163689U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5816294B2 (en) * | 1975-08-15 | 1983-03-30 | 株式会社東芝 | color print |
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