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- W2392181796 abstract "In order to reduce the probability of roof accidents caused by changing lithology,structure and combination of roof rock,the roof peering instrument was used to observe roadway roof to determine rock strength,predict the hidden dangerous area of roof fall,and reasonably design the support parameters of roadway roof. Based on the practical observation on the roadway of 1 000 m in experimental mine,the author optimized the anchor support parameters,strengthened the roadway support which was not sufficient,and reduced the excess support, in order to make support reasonable. The results showed that the hidden dangerous area of roof fall in experimental roadway was found in time and the support parameters were improved timely,so that the risk of roof fall was reduced,and 7 383 m anchor was saved. The improvement of support parameters according to observation data of roadway roof could improve security of roadway roof and avoid support material waste due to the unknown strength of roadway roof." @default.
- W2392181796 created "2016-06-24" @default.
- W2392181796 creator A5080853352 @default.
- W2392181796 date "2013-01-01" @default.
- W2392181796 modified "2023-09-28" @default.
- W2392181796 title "Optimization Study on Roadway Roof Support Parameters Based on Strata Strength Identification" @default.
- W2392181796 hasPublicationYear "2013" @default.
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