IS 13219 (1992): Rock Bolts for Mines (Cement Grouted ...
2018-11-15u2002·u2002The roof bolts shall be manufactured in any of the following two types : a ) Full column grout bolt b ) Point anchor bolt 3.3.1 Full Column Grout Bolt 3.3.1.1 Full column grouted bolt can be a simple point anchor bolt with a nut or a bolt with a formed eye ( see Fig. 1 ).
Get Price