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  Load-bearing capacity of the grouted bolt set on a physical model

  Relation between pull-out force on and displacement at a bolt head is a dependency that describes a serviceability of ground bolt displaying the bolt’s bearing capacity in ground condition. This dependency is determined by a pull out test being commonly conducted in In situ ground condition. The measured bolt head displacement combines at least three sorts of deformations such as those on head and free length of bolt bar, bolt embedment system and yielding rock along bolt bar embedment in particular. The article brings outputs of laboratory tests that have been conducted on physical models of embedded bolt.

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