Abstract
This paper introduces the function and meaning of permanent refuge cavern construction of coal mine. According to the composition of the permanent refuge cavern system, functions of other subsystems, construction site, daily maintenance and harmonious and unified of each system operation, design and study of the system have been introduced in this paper. Focus on the analysis of the specific characteristics of each subsystem and the contents of each subsystem required quantization, provide the basis for the design and construction of coal mine permanent refuge chamber.
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