Roadway roof fall accident in coal mine prevention
Date:2013-11-29 Hits:
Occurrence of roadway roof fall accident in coal mine disaster for coal mine, resulting in serious economic losses, and even cause the loss of a person. Preventive treatment of roof fall accident have to adhere to do security work, strict enforcement of rules and regulations, the safety in mind.
Prevention of roadway roof fall accident in coal mine is:
(1) to strengthen geological and hydrogeological work, according to the geological, hydrological data, the scientific design of roadway, formulate the corresponding construction method and operation procedures.
(2) tunneling, strictly according to the operating rules of good control of working face roof top air distance, when abnormal changes, timely introduction of complementary measures, modify the cycle progress.
(3) on a roadway surrounding rock, shortening the exposure time and area, ensure the permanent support quality.
(4) construction should pay attention to observe the change of surrounding rock, strengthening roof management, roof roof fall when the timely processing.
(5) the implementation of strict rules and operating procedures, strict implementation of good shift and safety inspection system, strict implementation of tapping system, the timely processing of accident hidden danger.
(6) should always check the roadway support, strengthen the maintenance, found a timely rectification unqualified or failure protection.
(7) in strict accordance with the quality standard of "tunneling" inspection, found unqualified products, timely repair.
Prevention of roadway roof fall accident in coal mine, a safe environment for production coal mine, coal mine safety deep physical and mental. Ensure safety in production, reduce unnecessary losses.
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