Fig. 3. The crosses denote intact...

Fig. 3.

Three log-scale scatter plots compare N K T, N delta U, and N K epsilon with O C R for intact and fissured samples.

The crosses denote intact samples, and triangles denote fissured samples. Panel a shows N K T from 1 to 1000 across O C R from 1 to 100. Intact values mostly range from 6 to 25, while fissured values range from about 12 to 100. Increasing lines for alpha 0.2 and 0.5 rise from approximately 15 and 6 to 38 and 15. Panel b shows N delta U from 0.1 to 100. Intact values mostly range from 4 to 12, with several values below 4, while fissured values range from about 0.6 to 4. Increasing lines for K 0.3 and 0.8 rise from approximately 9 and 4 to 25 and 9. Panel c shows N K epsilon from 1 to 1000. Intact values mostly range from 2 to 15, while fissured values range from about 12 to 105. Increasing lines for epsilon 0.2 and 0.9 rise from approximately 15 and 3 to 40 and 9.

Relationship between empirical cone factors $N_{k t}$ ⁠, $N_{Δ u}$ and $N_{k e}$ and $OCR$ for intact and fissured clays, compared to SHANSEP-CPTU predictions from (a) equation (13), (b) equation (14) and (c) equation (15) for literature range of $α$ ⁠, k and $ε$ coefficients, respectively and $S = 0·33$ ⁠, $m = 0·8$

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