Accueil >  Term: strata bolt
strata bolt

A bolt or rod, from 2 to 5 ft (0.6 to 1.5 m) or more in length, set in drill holes in the strata for the support of curbs, skeleton tubbing, helical steel supports, etc., in shafts and staple shafts. In general, the weaker the ground, the longer the bolts. Compare: roof bolting.

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Créateur

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 points
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