Two options
1 obviously destructive method, by breaking the old column and adding lapping to old bars.
2nd by using hilti fastners (mechanical or Chemical) you can add the rebar for new column
Obviously considered that you had consulted to structural engineer for Load carrying capacity of...
Hold fasts are nothing but anchor fastners for doors and windows which are fixed during wall construction. Once wall is built and plastering is done, we can use hilti or fissure or any standard make fastners to fix doors and windows
Now a days we are in hurry of deshuttering, so OPC is a better choice which gives relatively early strength than PPC.
In PPC, due to pozollona contents, it gives relatively lesser gain in strength than OPC. But in later state (1year period) it gives more strength than OPC. So it is more useful...
Has anybody used ready plast kind materials for block work and plaster? I got the details like rs.260 per bag of 40 kg and coverage of 22 Sq ft but I have never used it earlier
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