JPWO2022044154A5 - - Google Patents

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JPWO2022044154A5
JPWO2022044154A5 JP2021571962A JP2021571962A JPWO2022044154A5 JP WO2022044154 A5 JPWO2022044154 A5 JP WO2022044154A5 JP 2021571962 A JP2021571962 A JP 2021571962A JP 2021571962 A JP2021571962 A JP 2021571962A JP WO2022044154 A5 JPWO2022044154 A5 JP WO2022044154A5
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Japan
Prior art keywords
rock
bigger
hole
split
drilled
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JP2021571962A
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English (en)
Japanese (ja)
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JPWO2022044154A1 (https=
JP7176139B2 (ja
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Priority claimed from PCT/JP2020/032152 external-priority patent/WO2022044154A1/ja
Publication of JPWO2022044154A1 publication Critical patent/JPWO2022044154A1/ja
Publication of JPWO2022044154A5 publication Critical patent/JPWO2022044154A5/ja
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JP2021571962A 2020-08-26 2020-08-26 多連式油圧ビッガー割岩工法 Active JP7176139B2 (ja)

Applications Claiming Priority (1)

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

Publications (3)

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

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JP2021571962A Active JP7176139B2 (ja) 2020-08-26 2020-08-26 多連式油圧ビッガー割岩工法

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JP (1) JP7176139B2 (https=)
WO (1) WO2022044154A1 (https=)

Family Cites Families (6)

* 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
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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