JP7176139B2 - 多連式油圧ビッガー割岩工法 - Google Patents

多連式油圧ビッガー割岩工法 Download PDF

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JP7176139B2
JP7176139B2 JP2021571962A JP2021571962A JP7176139B2 JP 7176139 B2 JP7176139 B2 JP 7176139B2 JP 2021571962 A JP2021571962 A JP 2021571962A JP 2021571962 A JP2021571962 A JP 2021571962A JP 7176139 B2 JP7176139 B2 JP 7176139B2
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rock
bigger
hole
split
drilled
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JPWO2022044154A1 (https=
JPWO2022044154A5 (https=
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時寛 金田
明久 石本
哲也 飯田
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ISHIMOTO KENSETSU CO., LTD.
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ISHIMOTO KENSETSU CO., LTD.
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/02—Other methods or devices for dislodging with or without loading by wedges

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP2021571962A 2020-08-26 2020-08-26 多連式油圧ビッガー割岩工法 Active JP7176139B2 (ja)

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PCT/JP2020/032152 WO2022044154A1 (ja) 2020-08-26 2020-08-26 多連式油圧ビッガー割岩工法

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JPWO2022044154A1 JPWO2022044154A1 (https=) 2022-03-03
JPWO2022044154A5 JPWO2022044154A5 (https=) 2022-08-05
JP7176139B2 true JP7176139B2 (ja) 2022-11-21

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WO (1) WO2022044154A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018193678A (ja) 2017-05-12 2018-12-06 株式会社増岡組 トンネル掘削方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095096A (ja) * 1983-10-28 1985-05-28 古河機械金属株式会社 ベンチカツト工法におけるさく孔方式
JPS61242262A (ja) * 1985-04-16 1986-10-28 三菱重工業株式会社 構造物の表層剥離方法
JPS635092U (https=) * 1986-06-27 1988-01-13
JP4856920B2 (ja) * 2005-09-22 2012-01-18 高周波熱錬株式会社 破砕方法および破砕具
KR101657143B1 (ko) * 2014-12-04 2016-09-13 박재현 시공 기간 단축을 위한 무진동 할암 방식 터널시공방법

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018193678A (ja) 2017-05-12 2018-12-06 株式会社増岡組 トンネル掘削方法

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JPWO2022044154A1 (https=) 2022-03-03
WO2022044154A1 (ja) 2022-03-03

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