Anchor-shotcrete active support parameter determination method and device

The invention discloses a method and device for determining anchoring and shotcreting active support parameters, and relates to the technical field of tunnel engineering support design. The method comprises the following steps of: utilizing a stress continuous boundary condition at a junction of a s...

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Bibliographic Details
Main Authors TIAN SIMING, WANG WEI, WANG MINGNIAN, LIU DAGANG, ZHANG YITENG, LI XU, LI WEI, HUO JIANXUN
Format Patent
LanguageChinese
English
Published 11.08.2023
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention discloses a method and device for determining anchoring and shotcreting active support parameters, and relates to the technical field of tunnel engineering support design. The method comprises the following steps of: utilizing a stress continuous boundary condition at a junction of a surrounding rock plastic region and a surrounding rock elastic region, a Lame stress formula of the surrounding rock elastic region, a stress formula of the surrounding rock plastic region in a chamber theory, Hooke's law, a surrounding rock stress-strain relationship and a volume invariant rule during plastic deformation of the surrounding rock; determining a calculation formula of the radial displacement around the tunnel after the anchor-shotcrete support; according to surrounding rock mechanical parameters before tunnel supporting, initial anchor-shotcrete supporting parameters are determined; the anchor-shotcrete support parameters comprise anchor rod support parameters and concrete support parameters; and acco
Bibliography:Application Number: CN202310863355