Experimental Study on Unconfined Compressive Strength of Organic Polymer Reinforced Sand

Table 4

Results of PSS 20% samples with different curing time and densities.

Serial number	PSS concentration (%)	Dry density (g/cm^3)	Relative density (%)	Curing time (hour)	Peak strength (KPa)	Residual strength (KPa)	Strength of axial strain 15%   (KPa)	Axial strain of failure (%)	Elasticity modulus (MPa)	Failure modulus (MPa)
S1	water	1.4	21.05	/	/	/	/	/	/	/
S29	20	1.4	21.05	0.5	29.31	12.95	17.24	7.43	0.913	0.395
S5	20	1.4	21.05	6	31.16	14.11	19.96	7.86	1.121	0.396
S10	20	1.4	21.05	12	36.81	17.48	27.13	7.91	1.267	0.470
S15	20	1.4	21.05	24	57.08	21.89	47.71	10.18	1.310	0.561
S20	20	1.4	21.05	48	120.83	22.52	107.44	10.75	2.594	1.124
S25	20	1.4	21.05	72	121.67	22.57	113.43	10.76	2.605	1.131
S2	water	1.5	55.26	/	/	/	/	/	/	/
S30	20	1.5	55.26	0.5	33.41	17.79	25.61	7.13	0.917	0.469
S31	20	1.5	55.26	6	53.22	26.89	35.29	7.49	1.188	0.710
S32	20	1.5	55.26	12	91.81	31.71	62.93	7.65	2.351	1.200
S33	20	1.5	55.26	24	143.48	34.71	100.67	7.80	3.728	1.794
S34	20	1.5	55.26	48	197.96	37.77	150.09	9.01	5.057	2.197
S35	20	1.5	55.26	72	199.24	41.06	155.34	9.03	5.131	2.206
S3	water	1.6	84.21	/	/	/	/	/	/	/
S36	20	1.6	84.21	0.5	63.95	22.54	25.77	4.44	1.538	1.439
S37	20	1.6	84.21	6	91.35	32.99	37.62	4.80	2.387	1.905
S38	20	1.6	84.21	12	125.38	43.66	64.15	6.55	2.599	1.916
S39	20	1.6	84.21	24	174.92	44.51	106.75	7.26	4.357	2.409
S40	20	1.6	84.21	48	239.25	58.67	149.21	7.63	5.227	3.136
S41	20	1.6	84.21	72	249.20	63.16	159.74	7.74	5.323	3.222