Table 1. Summary of undrained monotonic...

Table 1.

Summary of undrained monotonic triaxial tests: maximum Young's moduli, stress conditions and the corresponding axial strains (in brackets) at phase transformation (PT) and ultimate states

Test	e*	p′₀: kPa	$E_{max}^{u}$ ⁠: MPa	$(\frac{E_{max}^{u}}{p_{ref}}) g g / {(\frac{p'_{0}}{p_{ref}})}^{0 \cdot 5}$ †	q_(PT): kPa (ε_a: %)	p′_(PT): kPa	q_(ult): kPa (ε_a: %)	p′_(ult): kPa	(q/p′)_ult	ϕ_ult′: degrees
DM-C1	0·714	70	643·1	7637·0	42·6 (0·6%)	39·9	309·7 (30·9%)	229·4	1·35	31·6
DM-C2	0·648	200	1195·3	8397·6	106·1 (1·4%)	100·3	606·1 (24·0%)	480·8	1·26
DM-C3	0·606	400	1472·5	7315·1	208·9 (1·2%)	198·3	1618·5 (25·0%)	1273·0	1·27
DM-E1	0·609	200	1114·1	7827·2	−132·1 (−1·1%)	149·1	−207·4 (−7·0%)	233·4	−0·89	30·1
DM-E2	0·580	400	1393·1	6920·7	−256·9 (−1·0%)	319·9	−364·2 (−7·0%)	453·9	−0·80	30·1

Test	e*	p′₀: kPa	$E_{max}^{u}$ : MPa	$(\frac{E_{max}^{u}}{p_{ref}}) g g / {(\frac{p'_{0}}{p_{ref}})}^{0 \cdot 5}$ †	q_(PT): kPa (ε_a: %)	p′_(PT): kPa	q_(ult): kPa (ε_a: %)	p′_(ult): kPa	(q/p′)_ult	ϕ_ult′: degrees
DM-C1	0·714	70	643·1	7637·0	42·6 (0·6%)	39·9	309·7 (30·9%)	229·4	1·35	31·6
DM-C2	0·648	200	1195·3	8397·6	106·1 (1·4%)	100·3	606·1 (24·0%)	480·8	1·26
DM-C3	0·606	400	1472·5	7315·1	208·9 (1·2%)	198·3	1618·5 (25·0%)	1273·0	1·27
DM-E1	0·609	200	1114·1	7827·2	−132·1 (−1·1%)	149·1	−207·4 (−7·0%)	233·4	−0·89	30·1
DM-E2	0·580	400	1393·1	6920·7	−256·9 (−1·0%)	319·9	−364·2 (−7·0%)	453·9	−0·80	30·1

Void ratio prior to undrained shearing; calculated based on post-test water content measurements.

†

p_ref, reference pressure (101·3 kPa).

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