Floor Heave Control Method of Gateway During Mining

LI Shou-Guo; DU Ze-Sheng; WANG Cheng; TANG Yao

Safety in Coal Mines > 2012 > 43(8): 180-181,182.

LI Shou-Guo, DU Ze-Sheng, WANG Cheng, TANG Yao. Floor Heave Control Method of Gateway During Mining[J]. Safety in Coal Mines, 2012, 43(8): 180-181,182.

Citation:

LI Shou-Guo, DU Ze-Sheng, WANG Cheng, TANG Yao. Floor Heave Control Method of Gateway During Mining[J]. Safety in Coal Mines, 2012, 43(8): 180-181,182.

Citation:

LI Shou-Guo, DU Ze-Sheng, WANG Cheng, TANG Yao. Floor Heave Control Method of Gateway During Mining[J]. Safety in Coal Mines, 2012, 43(8): 180-181,182.

Floor Heave Control Method of Gateway During Mining

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Published Date: August 09, 2012

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Abstract

Abstract

To solve the control problems of gateway floor heave during the mining period,the prop bottom beam structure,formed by longitudinal channel steel beams,horizontal channel steel beams and single hydraulic prop,were mounted on gateway floor which affected by the dynamic pressure.So roof pressure was transferred from roof to floor by the single hydraulic prop,which took advantage of its high support resistance to achieve floor heave control.The method,with high supporting strength,simple operation,minimal impact on production,is an effective method for floor heave control during mining.
- gateway,
- floor heave,
- coal pillar width,
- single hydraulic prop

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