Water burst blocking device and method for tunnel drilling

• Main Authors: WU QI, GUO ZHIYONG, LU QINGZHAO, ZHANG QIANG, MA DONG, WANG HAITAO
• Format: Patent
• Language: Chinese; English
• Published: 24.08.2018
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The invention discloses a water burst blocking device and method for tunnel drilling. The water burst blocking device for tunnel drilling comprises an air pipe and a grouting pipe, two ends of the airpipe are blocked, a plurality of sections of elastic tubular rubber films are arranged outside the a...