Roof bolting and stabilisation of natural arches on roadways: Fid-Bau Portal

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Roof bolting and stabilisation of natural arches on roadways

Evans, W.H.

Principal function of roof bolts on roofs of unripped longwall goafs is to bind strata together; this enables bolts to withstand lateral forces that sustain them; forces are induced by roof itself as it sags for want of vertical support; forces follow curved path across width of opening and within thickness of bolted part of roof, this forming natural arch.

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Roof bolting and stabilisation of natural arches on roadways

Evans, W.H.

Principal function of roof bolts on roofs of unripped longwall goafs is to bind strata together; this enables bolts to withstand lateral forces that sustain them; forces are induced by roof itself as it sags for want of vertical support; forces follow curved path across width of opening and within thickness of bolted part of roof, this forming natural arch.

Roof bolting and stabilisation of natural arches on roadways

Evans, W.H.

Principal function of roof bolts on roofs of unripped longwall goafs is to bind strata together; this enables bolts to withstand lateral forces that sustain them; forces are induced by roof itself as it sags for want of vertical support; forces follow curved path across width of opening and within thickness of bolted part of roof, this forming natural arch.

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Title:

Roof bolting and stabilisation of natural arches on roadways

Additional title:

Colliery Eng

Contributors:

Evans, W.H. (author)

Published in:

Colliery Engineering ; 37

Publication date:

1960

Size:

4 pages

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Mines and mining

© Metadata Copyright Elsevier B. V. All rights reserved.

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