Stability analysis of roof structure in pitched seam gateway
Abstract：The formation conditions,breakage characteristics,influence factors and instability forms of roof ＂triangular structure＂ in pitched seam gateway were analyzed,and show tension-shear cutting movement in upper and stress-shear in lower part in the slope force and vertical force of gravity,and behave cutting down or fall instability.The roof ＂triangular structure＂ stability mechanical model was set up,and the roof ＂triangular structure＂ stability criterion in different instability forms was obtained.
Keywords：pitched seamgatewayroof structureinstability characteristicstability model
Publication Date：2011-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)