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Vol 183
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Research article

Experience in providing the stability of tunnel face and roof during its drivage in proterozoic clays

V. A. Maslak
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  • Deputy Head of Board on Capital Construction The Saint-Petersburg Metro
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Methodology 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.

face ground anchor clay mine working stability stress deformation monitoring
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  1. Маковский Л.В. Под защитой экрана из труб // Метрострой. 1980. № 4. С.23-24.

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