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- W2367737977 abstract "In order to keep the stability of a chamber and to ensure a safely and normal application of the chamber, an economic and rational support pattern must be adopted.Due to the size of the strata released zone and the three-dimensional distribution law are important to select the support pattern of the chamber and with the exploration principle of high density resitivity method and the construction features of excavation and support for the chambers,the paper provided the measurement and test technology of the strata released zone with the bolt drilling machine for the borehole drilling, anchorage agent for collar sealing, pressurized equipment for grouting cement slurry and high density resistivity method for the data collection.The paper studied the relationship between the surrounding rock deformation degree and the electric conductivity after the excavation and support of the chamber.This technology had been applied to the measurement and test of the strata released zone of the ingate roadway at the mine auxiliary shaft of Liudian Mine, Huaibei Coal Mining Group.The results showed that when the surrounding rock was in the elastic deformation status,the electric conductivity would be increased in a certain extent(or its resistivity would be decreased)and when the surrounding rock was in the plastic deformation status,the electric conductivity would be obviously reduced (or the resistivity would be increased)." @default.
- W2367737977 created "2016-06-24" @default.
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- W2367737977 date "2008-01-01" @default.
- W2367737977 modified "2023-09-25" @default.
- W2367737977 title "Research on measurement and test technology of strata released zone base on high density resistivity method" @default.
- W2367737977 hasPublicationYear "2008" @default.
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