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- W2379509333 abstract "Based on the overlying strata spatial structures theory,combining with the mine pressure knowledge,according to the boundary conditions in the actual mining process of extra-duck coal seam mining face,one side goaf,two sides goaf and the conversion process structure of overlying strata were defined as 0, S and 0-S letter type overlying strata spatial structures.On the basis of the systematic analysis on three kinds of structure formation,structure movement and stress distribution feature,the mine dynamic events were predicted and prevented.The field monitoring results of side abutment pressure showed that the structure based on the theory of overlying strata spatial structures theory was basically right.The roof separation monitoring results showed that the rules of overlying strata movement based on the overlying strata spatial structures theory were basically correct.The monitoring results based on pressure characteristics according to the characteristics of thick coal seam mining overlying strata spatial structure theory prediction were consistent with the actual situation of mine pressure field.The research provides certain reference for mine pressure feature prediction and strata control under similar conditions." @default.
- W2379509333 created "2016-06-24" @default.
- W2379509333 creator A5088996727 @default.
- W2379509333 date "2014-01-01" @default.
- W2379509333 modified "2023-09-23" @default.
- W2379509333 title "Prediction and application of underground pressure feature based on overlying strata spatial structures theory" @default.
- W2379509333 hasPublicationYear "2014" @default.
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