JPH0475343B2 - - Google Patents

Info

Publication number
JPH0475343B2
JPH0475343B2 JP60079386A JP7938685A JPH0475343B2 JP H0475343 B2 JPH0475343 B2 JP H0475343B2 JP 60079386 A JP60079386 A JP 60079386A JP 7938685 A JP7938685 A JP 7938685A JP H0475343 B2 JPH0475343 B2 JP H0475343B2
Authority
JP
Japan
Prior art keywords
hole
slurry
crushing agent
diameter
brittle
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 - Lifetime
Application number
JP60079386A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61242274A (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7938685A priority Critical patent/JPS61242274A/ja
Publication of JPS61242274A publication Critical patent/JPS61242274A/ja
Publication of JPH0475343B2 publication Critical patent/JPH0475343B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Working Measures On Existing Buildindgs (AREA)
  • Disintegrating Or Milling (AREA)
JP7938685A 1985-04-16 1985-04-16 脆性物体の破壊工法 Granted JPS61242274A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7938685A JPS61242274A (ja) 1985-04-16 1985-04-16 脆性物体の破壊工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7938685A JPS61242274A (ja) 1985-04-16 1985-04-16 脆性物体の破壊工法

Publications (2)

Publication Number Publication Date
JPS61242274A JPS61242274A (ja) 1986-10-28
JPH0475343B2 true JPH0475343B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-11-30

Family

ID=13688425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7938685A Granted JPS61242274A (ja) 1985-04-16 1985-04-16 脆性物体の破壊工法

Country Status (1)

Country Link
JP (1) JPS61242274A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510746A (en) * 1978-07-07 1980-01-25 Tokai Rika Co Ltd Automotive lever switch device
JPS582311A (ja) * 1981-06-29 1983-01-07 Chisso Corp 改良された塩化ビニル共重合体の製造方法
JPS6025554A (ja) * 1983-07-25 1985-02-08 日本セメント株式会社 脆性物体の破砕方法

Also Published As

Publication number Publication date
JPS61242274A (ja) 1986-10-28

Similar Documents

Publication Publication Date Title
CN109115064B (zh) 大孔径高效静态爆破辅助定向装置及其静态爆破施工方法
CN106225617B (zh) 一种基于爆夯水压致裂的岩爆防治方法
CN110374599A (zh) 一种煤岩反复钻孔形成巷道防冲弱结构的方法
CN102230771A (zh) 一种碎裂矿段垂直下向深孔复合不耦合护孔方法
CN103114807A (zh) 潜孔钻机偏心钻进成孔方法
JPH0475343B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN111911164B (zh) 一种环境友好的硬质岩体沟槽开挖的方法
US11988494B2 (en) Piston-type explosive loading and blasting structure and method for hard rock cable pit
JPH05118188A (ja) 破砕方法
RU2308674C1 (ru) Забойка комбинированная
JPH03476B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
RU2154254C1 (ru) Способ производства буровзрывных работ на карьерах
JPS582311B2 (ja) 膨脹性物質による脆性物体の破壊方法
JPH04140393A (ja) 掘削方法
JPS6013112B2 (ja) 膨張性物質による脆性物体の破壊方法
JPS60172359A (ja) 脆性物体の破砕方法
RU2018661C1 (ru) Способ разрушения монолитных объектов
JPS61155589A (ja) 岩盤等の掘削方法
RU2039250C1 (ru) Способ добычи блочного камня
JPS5876694A (ja) コンクリ−ト、岩石等脆性物体の破壊方法
JPS6085163A (ja) 岩体またはコンクリ−ト構造物の亀裂破砕に用いる膨張破砕材の充填法
CN116044427A (zh) 一种超高频粒子振动微扰动泄压岩爆方法
JPS637228B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0376981B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN119687743A (zh) 一种提高竖井爆破效果的施工工艺

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees