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- W2389648246 abstract "In order to further study and evaluation the characteristics of the face floor compressive,combined with the situation of Fengyang coal mine 32020 face,the bottom pressure is tested in different locations and different periods,and the collation and analysis of the measured data in the 32020 face shows that the range of bottom pressure is at 3.64 ～ 33.36 MPa,the average bottom pressure of the four surveyed area is 15.38 MPa.From the distribution of the face,the bottom intensity of the working surface is lower with a follow-up of coal;In the lower part of the face,the bottom intensity is bigger.However,generally the distribution of the bottom intensity is non-uniform,and the intensity difference is quite bigger.The close attention should be paid during the mining process.By the measurement and analysis,we obtained the distribution of the Fengyang colliery main coal seam bottom pressure,identified the type of coal seam floor and provided a reference for the hydraulic support parameter determination." @default.
- W2389648246 created "2016-06-24" @default.
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- W2389648246 date "2010-01-01" @default.
- W2389648246 modified "2023-09-23" @default.
- W2389648246 title "Research on the pressure plate test method of the Fengyang Colliery" @default.
- W2389648246 hasPublicationYear "2010" @default.
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