IS 13219 (1992): Rock Bolts for Mines (Cement Grouted ...
2018-11-15u2002·u2002r IS 13219 : 1992 5 SAMPLING Bolts and nuts shall be sampled in accordance with IS 3614 : 1969. .!Txumnp/e I - A full column grout bolt of 20 mm diameter, 1 500 mm length shall be designated as : 20 FCG x 1 500 ~~ IS 13219 ( without ribbing ) 6 METHOD OF TEST
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