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Application filed by 호시노겐조 (외 1)filedCritical호시노겐조 (외 1)
Priority to KR1019820003948ApriorityCriticalpatent/KR840001675A/en
Publication of KR840001675ApublicationCriticalpatent/KR840001675A/en
Drilling And Exploitation, And Mining Machines And Methods
(AREA)
Abstract
내용 없음No content
Description
굴삭법Excavation
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 터널굴삭시의 예시도.1 is an exemplary view at the time of tunnel excavation.
제2도는 착암공 상, 하부를 고압수로 슬릿하는 상태도.2 is a state in which the upper and lower parts of the rock drill slit with high pressure water.
제3도는 굴착중심공제거시의 실시예시도.3 is an exemplary view at the time of excavation center hole removal.
Claims (3)
터널중심부에 두 개의 발파장공이 없이 굴착중심공(10)을 뚫고 그 주위를 돌아가면서 적당한 간격으로 착압공(11), (12), (13), (14)을 뚫고난 후에 고압노즐(A)로써 슬릿을 낸 후에 굴착중심공(10)에서부터 외향으로 순차적으로 발파시켜 슬릿부분으로 인해 굴착면이 굴삭되는 것을 특징으로 한 굴삭법.High pressure nozzle (A) after drilling holes (11), (12), (13) and (14) at appropriate intervals while drilling around the drilling center hole (10) without two blast holes at the center of the tunnel Excavation method characterized in that the excavation surface is excavated due to the slit portion by sequentially blasting outward from the excavation center hole (10) after the slits out.제1항에서 굴착중심공(10)을 발파에 알맞게 장약한 뒤 다시 충진물로 막고 폭파시킨 후 그 뒷부문의 충진물을 빼고 장약한 뒤 다시 충진물을 막고 폭파시키는 순차적인 굴삭방법.The sequential excavation method of claim 1 in the excavation center hole (10) according to the blasting, and then again filled with the filling and blasting, after removing the filling of the back section, and then filling and blasting again the filling and blocking.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.