ASTM C$469$

This testing standard requires the stress and strain at $2$ points $-$ one point occurring at a strain of $50$ millonths and another occurringng at a stress of $0\mathrm{.}4$ fe$\text{'}$ which is appraximately $2000$ psi $($or approx. $56,500$ Ibs.$).$ We will run the test $4$ times on a $612$ specimen. Place your raw data in the table below.

Tben covert the proceeding data into stress strain for each test using table below. Calculate the concrete specimens modulus of elasticity usin$)))$quation E$=($S$2-$S$1)/(2-0\mathrm{.}00005)$