Decision Tree Approach for Soil Liquefaction Assessment

Table 3

Correlation matrix.

	𝑍	(𝑁1)60	𝐹75	𝑑𝑤	𝜎vo	𝜎^′vo	𝑎𝑡	𝜏av/𝜎^′vo	𝑉𝑠	𝜑^′	𝑀𝑣	PHA	Liq.
𝑍	1	0.39	−0.25	0.08	1.00	0.98	−0.23	−0.12	0.58	0.53	0.49	−0.11	−0.30
(𝑁1)60	0.39	1	−0.57	0.08	0.41	0.42	0.03	0.15	0.40	0.85	0.15	0.17	−0.27
𝐹75	−0.25	−0.57	1	−0.18	−0.27	−0.30	−0.12	−0.07	−0.30	−0.54	−0.28	−0.16	−0.06
𝑑𝑤	0.08	0.08	−0.18	1	0.07	0.21	0.14	−0.27	0.16	0.13	0.21	−0.02	−0.13
𝜎vo	1.00	0.41	−0.27	0.07	1	0.99	−0.22	−0.09	0.59	0.55	0.50	−0.07	−0.29
𝜎^′vo	0.98	0.42	−0.30	0.21	0.99	1	−0.19	−0.10	0.61	0.56	0.55	−0.03	−0.28
𝑎𝑡	−0.23	0.03	−0.12	0.14	−0.22	−0.19	1	−0.06	0.44	−0.02	0.00	0.11	−0.08
𝜏av/𝜎^′vo	−0.12	0.15	−0.07	−0.27	−0.09	−0.10	−0.06	1	−0.03	0.09	−0.20	0.90	0.25
𝑉𝑠	0.58	0.40	−0.30	0.16	0.59	0.61	0.44	−0.03	1	0.47	0.32	0.04	−0.21
𝜑^′	0.53	0.85	−0.54	0.13	0.55	0.56	−0.02	0.09	0.47	1	0.29	0.12	−0.35
𝑀𝑣	0.49	0.15	−0.28	0.21	0.50	0.55	0.00	−0.20	0.32	0.29	1	−0.11	−0.15
PHA	−0.11	0.17	−0.16	−0.02	−0.07	−0.03	0.11	0.90	0.04	0.12	−0.11	1	0.19
Liq.	−0.30	−0.27	−0.06	−0.13	−0.29	−0.28	−0.08	0.25	−0.21	−0.35	−0.15	0.19	1