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Continue to ChatIS : 9142-1979, Reaffirmed 1997 https://civilengineer.co.in/indian-standard-codes/download-is-code-for-artificial-light-weight-aggregates-is-9142-1979-free-civil-engineer/attachment/9142/
IS : 9142-1979, Reaffirmed 1997 https://civilengineer.co.in/indian-standard-codes/download-is-code-for-artificial-light-weight-aggregates-is-9142-1979-free-civil-engineer/attachment/9142/