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Geotechnical assessment of the bearing capacity of coal mine floors

Afrouz, A. / Hassani, F. P. / Scoble, M. J.

Summary This investigation concerns 3 longwall faces having variable strata and mining conditions, but supported by 202 tonnes hydraulic 6-leg chocks. Bearing capacity tests along the faces were conducted to evaluate the factors influencing floor deformation and failure. The effect of size, shape and perimeter of the base plates, thickness of the floor layer, time and moisture on the ultimate bearing capacity of the floor was measured and discussed. Application of this work is the prediction of stability and support performance of face ends, as well as the design of support systems and ground control on production faces.

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Geotechnical assessment of the bearing capacity of coal mine floors

Afrouz, A. / Hassani, F. P. / Scoble, M. J.

Summary This investigation concerns 3 longwall faces having variable strata and mining conditions, but supported by 202 tonnes hydraulic 6-leg chocks. Bearing capacity tests along the faces were conducted to evaluate the factors influencing floor deformation and failure. The effect of size, shape and perimeter of the base plates, thickness of the floor layer, time and moisture on the ultimate bearing capacity of the floor was measured and discussed. Application of this work is the prediction of stability and support performance of face ends, as well as the design of support systems and ground control on production faces.

Geotechnical assessment of the bearing capacity of coal mine floors

Afrouz, A. / Hassani, F. P. / Scoble, M. J.

Summary This investigation concerns 3 longwall faces having variable strata and mining conditions, but supported by 202 tonnes hydraulic 6-leg chocks. Bearing capacity tests along the faces were conducted to evaluate the factors influencing floor deformation and failure. The effect of size, shape and perimeter of the base plates, thickness of the floor layer, time and moisture on the ultimate bearing capacity of the floor was measured and discussed. Application of this work is the prediction of stability and support performance of face ends, as well as the design of support systems and ground control on production faces.

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Title:

Geotechnical assessment of the bearing capacity of coal mine floors

Contributors:

Afrouz, A. (author) / Hassani, F. P. (author) / Scoble, M. J. (author)

Published in:

International Journal of Mining and Geological Engineering ; 6

Publication date:

1988

ISSN:

DOI:

https://doi.org/10.1007/BF00880928

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Longwall coal mining , bearing capacity , coal mine floors , hydraulic supports

Classification:

BKL: 38.58 Geomechanik / 57.00 Bergbau: Allgemeines / 56.20 Ingenieurgeologie, Bodenmechanik
Local classification TIB: 275/3730/4800

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