Experience in providing the stability of tunnel face and roof during its drivage in proterozoic clays
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AbstractMethodology for assessment of state of advance support of face with fiberglass anchors and the working¢s roof – with tube anchors, is given. The results of in-situ experimental observations for efforts in anchors, displacements of excavation and growth of load on the advance supports in its roof are shown.
Date published: 2009-04-01
Issue: Vol 183
Copyright (c) 2016 В. А. Маслак
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