Reasonable Support Parameters for Soft-roof Roadway in Guangdao Coal Industry Co.,Ltd.
According to the actual conditions of the soft-roof roadway of the 20103 transportation gateway of Guangdao Coal Industry Co.,Ltd.,it was determined that the reasonable bolt length was 2.0 m,bolt spacing was 0.9 m,cable length was 6.3 m and cable spacing was 1.6 m by combining theoretical calculation and numerical simulation.The on-site application results showed that after adopting the designed support scheme,the overall deformation of the roadway was relatively small,meeting the requirements of safe and efficient production of the mine.
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