: Revised requirements for cement content and water-cement ratios in Table 5 to improve structure lifespan.
The official source for all BIS codes is the Bureau of Indian Standards (BIS) website . is 456 latest amendment pdf
Overhauls the entire code; merges RC, PSC, and composite design under the banner of . Key Technical Updates in Amendment No. 6 (June 2024) AMENDMENT NO. 4 – MAY 2013 TO IS 456 - UltraTech Cement : Revised requirements for cement content and water-cement
The Bureau of Indian Standards (BIS) is currently transitioning to a massive update known as the Fifth Revision. Key changes in this draft include: is 456 latest amendment pdf