Assessment of stress-strain state of temporary support during constructhion of station tunnels of the metro
Authors:
About authors
- Deputy Head of Board on Capital Construction The Saint-Petersburg Metro
Abstract
In-situ testing technique of temporary support is given. The values of stress and normal force in arch and sides of steel support are shown. Determination of vertical load magnitude is done. It was determined that vertical load on support decreases by 1,54 times, if lag of support installation from the face is16 m.
Область исследования:
(Archived) Drilling
Funding:
None
References
- Lebedev M.O. Mining-ecological monitoring by the example of the large loop tunnel SKGD / M.O.Lebedev, V.V.Basykin // The etro and Tunnels. 2006. No.6, pp.24-26.
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