oa Civil Engineering = Siviele Ingenieurswese - The effects of mining subsidence on discontinuous rock masses and the influence on foundations : the British experience
|Article Title||The effects of mining subsidence on discontinuous rock masses and the influence on foundations : the British experience|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineering = Siviele Ingenieurswese|
|Author||R.M. Bell, F.G. & Fox|
|Publication Date||Jun 1991|
|Pages||201 - 210|
|Keyword(s)||Foundations, Mining and Subsidence|
Discontinuities are characteristic leatures of the competent rock masses such as standstones and limestones, which occur in the Coal Measures of Britain and the overlying Permian and Triassic systems. The longwall method used to extract coal subjects the strata above the seam to stresses that can cause discontinuities to open or widen significantly. Unfortunately, however, the degree to which discontinuities open or gape and the behaviour of discontinuous blocks cannot be predicted.
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