Efficient blasting method for similar cutting in rock tunnel

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United States of America

PATENT NO 11976914
SERIAL NO

18370545

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Abstract

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An efficient blasting method for similar cutting in a rock tunnel is provided, which relates to the technical field of rock tunneling. The method includes the following steps: drilling: drilling central holes, lower cutting holes, upper cutting holes, auxiliary holes and peripheral holes in a cross section area for tunnel construction; filling explosives: filling explosives into the central holes, the lower cutting holes, the upper cutting holes, the auxiliary holes and the peripheral holes; and blasting: blasting following blast holes in turn to complete full-face one-time blasting in a millisecond delay blasting mode. The method is applicable for construction scenes of drilling and blasting methods.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING100083 NO 30 HAIDIAN DISTRICT BEIJING XUEYUAN ROAD BEIJING CITY BEIJING CITY 100083
CHINA UNIVERSITY OF MINING AND TECHNOLOGY BEIJING100083 XUEYUAN ROAD DING 11 HAIDIAN DISTRICT BEIJING BEIJING CITY BEIJING CITY 100083

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bao, Zhouqi Beijing, CN 1 0
Li, Chengxiao Beijing, CN 1 0
Ma, Xinmin Beijing, CN 2 1
Wang, Yanbing Beijing, CN 14 68
Yang, Renshu Beijing, CN 4 0
Zhang, Hang Beijing, CN 519 12140
Zhang, Zhaoran Beijing, CN 1 0

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