Hardening Soil model with small strain stiffness - Zace Services Ltd.
Hardening Soil model with small strain stiffness - Zace Services Ltd.
Hardening Soil model with small strain stiffness - Zace Services Ltd.
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Estimation of material properties: E ref<br />
50<br />
Reanalyze E 50 vs σ 3 in logarithmic scales<br />
Here we can fix m to the one obtained for <strong>small</strong> <strong>strain</strong> moduli<br />
Find<br />
(<br />
intersection of the line <strong>with</strong> axis ln E 50 at<br />
σ<br />
∗ )<br />
3 + c cotφ<br />
ln<br />
σ ref = 0<br />
+ c cotφ<br />
Here the intersection is at ≈ 10.30 hence<br />
E50 ref ≈ e10.30 ≈ 2.718 10.30 ≈ 30000 kPa<br />
ln E 50<br />
11.4<br />
11.2<br />
11<br />
10.8<br />
10.6<br />
⎛ σ<br />
3<br />
+ c cotφ<br />
⎞<br />
ln⎜<br />
⎟<br />
σ + c cotφ<br />
ref<br />
10.4<br />
10.30<br />
⎝<br />
⎠<br />
10.2<br />
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2<br />
Andrzej Truty ZACE <strong>Services</strong><br />
<strong>Hardening</strong> <strong>Soil</strong> <strong>model</strong> <strong>with</strong> <strong>small</strong> <strong>strain</strong> <strong>stiffness</strong>
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