Study on the thickness design of shaft lining based on elastic-plastictheory of surround rock
LUO Xiao-qing
Abstract:Based on current elastic-plastic theory,a mechanical plane strain model was established considering interaction between shaft lining and surrounding rock.Firstly,the applicable conditions of the mechanical model were studied,and the new thickness design formula of shaft lining was derived.Secondly,the mutual relations were discussed between the resistance of shaft lining,plastic zone and geometry of the shaft.Finally,influence on thickness design caused by shear modulus,friction angle,cohesion and other physical and mechanical parameters of surround rock were discussed,revealing the mechanism of interaction between shaft lining and the surround rock.
Keywords:vertical shaftshaft lining designelastic-plastic theorymechanical model
Publication Date:2017-01-01
Online Publishing Date:2025-08-15(First online date of this platform, not the publication date of the document)
Pages:4( 4-7 )
Coal Engineering

Coal Engineering

PKUISTIC
ISSN:1671-0959
Year, Vol.(Issue):2017,49(3)