Target strength = fck +(1.65*4)
What is this 4

Answer Posted / sjtbehera

ok fck is the 28 days compressive strength
s is the standard deviation
t is a static value

valu of s is M10 to M20=3.5
M20 to M35=4
M40 to M50=5.o

Is This Answer Correct ?    3 Yes 1 No



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