Answer / abhijit hemant sane

Reinforcement can last perpetually, i.e. forever if it is
propoerly encased in concrete.
Life of reinforcement reduces drastically and may not be
more than couple of years if its is kept exposed in
environment. The rate at which it deteriorates depends on
the environment conditions like temprature, humidity etc.

Answer / sravani

the life of the reinforcement depends on the design of the reinforced beams or columns bcz if the reinforcement is provided in a correct position in the beam ie we must provide more steel in the copression zone when compared with the tension zone so the life time of reinforcemnt depends on ur DESIGNNNNNNN

Answer / arvind r ukey

THE LIFE OF THE REINFORCEMENT IS NOT MORE THAN 15YRS AS NOT
MORE THAN 15 MONTHS IN ANOTHER WORDS IF REINFORCEMENT IS
PLACED PROPERLY WITH PROPER FITTING ND MIXTURE APPLIED TO IT
ITS SAFE TILL MORE THAN 15 YRS ND IF KEPT IN OPEN
ENVIRONMENT THAN 15 MONTHS ARE ALSO LEES FOR REINFORCEMENT LIFE

As per Kandal suggestions, we have implemented rolling starts on 140 (+/- 5) degrees and we kept 3 rollars to complete the rolling before falling 125 degrees and the Aggregate AIV is below 22. But When the DBM bed is being rolled 3rd high viabration, (Before 1 plain & low ,2 high Viabrations), the aggregate is getting sharp edge agg. projections are damaged. As the literature is said that, the VG-30 Grade having better control the temp. susceptibility than Penetration grade. if so we could not get this problem at site. But we are facing on site. let me know.

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