Study on Proportion Optimization of Magnesium Oxychloride Cement-Stabilized Clayey Soil Based on the Response Surface Methodology

Table 6

BBD experimental design variables and results of unconfined compressive strength and softening coefficient tests.

Run	X 1	X 2	X 3	Compressive strength (MPa)	Softening coefficient	SDUSC	SDSC
1	10	14	30	1.78	0.68	0.0933	0.0361
2	8	14	20	1.85	0.77	0.0919	0.0355
3	8	18	30	2.33	0.72	0.1195	0.0368
4	8	10	10	1.48	0.63	0.0715	0.0357
5	10	10	20	1.40	0.73	0.0781	0.0345
6	6	14	10	1.70	0.60	0.0827	0.0323
7	8	14	20	1.87	0.75	0.0879	0.0386
8	8	10	30	1.39	0.71	0.0736	0.0359
9	6	14	30	1.61	0.65	0.0958	0.0395
10	10	14	10	1.88	0.63	0.0943	0.0314
11	8	14	20	1.90	0.76	0.0907	0.0346
12	6	18	20	2.28	0.72	0.1615	0.0393
13	10	18	20	2.52	0.74	0.1376	0.0341
14	6	10	20	1.27	0.71	0.0575	0.0375
15	8	18	10	2.60	0.65	0.1285	0.0343
16	8	14	20	1.86	0.77	0.0937	0.0351