Problem $3$

Using the isotropically$-$consolidated undrained $($ICU$)$ triaxial compression test data for specimens

of Toyoura sand $($from Ishihara $1993$; see Figure $1),$ consider the two triaxial tests at D$\_($R$)=38\%$ and

D$\_($R$)=64\%$ consolidated to $\backslash$sigma $\_(3$c$)^(\text{'})=20$atm.

On a single page, summarize the response of these two tests on plots of: q$-\backslash$epsi $\_($a$),$q$-$p$^(\text{'}),$e$-$logp$^(\text{'}),$ and

$\backslash$Delta u$-\backslash$epsi $\_($a$).$ Make sure the appropriate axes line up when creating your plots. On these plots, label the

points corresponding to the points marked O$,$A$,$B$,$C$,$ and Don Figure $1.$ Note that the shape of these

relationships can be visually interpolated and thus drawn using these few points. Summarize your

calculations for points O$-$D in a table.

$^(*)$ve$\_($min$)=0\mathrm{.}60,$e$\_($max$)=0\mathrm{.}98$ D$\_($R$)=16\%,($b$)$ D$\_($R$)=38\%,($c$)$ D$\_($R$)=64\%($after Ishihara $1993).$