Self-Designed Hydrophilicity-Related Geomaterials and Their Testing Utility in Simulation of Overlying Strata Instability

Table 2

Test results of mechanical properties.

Number	Density/g·cm^−3	Poisson’s ratio	Tensile strength (MPa)	Compressive strength (MPa)	Modulus of elasticity (GPa)	Water absorption rate (%)
1	1.8206	0.123	0.3015	2.2450	0.4190	16.094
2	1.7916	0.167	0.3704	2.6600	0.6080	7.839
3	1.7666	0.211	0.0576	0.7800	0.4925	3.62
4	1.7315	0.256	0.0262	0.2800	0.0505	1.244
5	1.6397	0.287	0.0194	0.3050	0.0610	0.354
6	1.7177	0.130	0.0604	1.2350	0.2240	2.286
7	1.7182	0.361	0.1480	0.7700	0.2065	0.619
8	1.7906	0.250	0.2823	1.2450	0.2915	14.052
9	1.7992	0.254	0.0734	0.8150	0.1630	10.066
10	1.7575	0.199	0.0196	0.3500	0.0555	8.752
11	1.7778	0.169	0.4352	1.5950	0.4805	9.101
12	1.7457	0.173	0.2038	1.5700	0.3400	5.891
13	1.7462	0.217	0.0436	0.5650	0.0570	1.249
14	1.7345	0.174	0.0199	0.3000	0.0400	0.926
15	1.7615	0.237	0.1162	0.9650	0.1185	11.314
16	1.6927	0.166	0.0405	0.7800	0.2460	1.874
17	1.7763	0.241	0.2482	1.2350	0.2525	15.033
18	1.7631	0.093	0.1536	1.2050	0.1845	10.947
19	1.7330	0.243	0.1266	0.8050	0.1455	6.459
20	1.7941	0.234	0.0377	0.3750	0.1055	3.634
21	1.6912	0.204	0.2031	0.8400	0.2215	8.165
22	1.7177	0.161	0.1804	0.9700	0.2170	5.162
23	1.7381	0.166	0.0910	0.2650	0.4845	2.213
24	1.7529	0.241	0.1124	0.6250	0.1240	13.157
25	1.8130	0.273	0.0341	0.2650	0.0365	11.794