Advances in Materials Science and Engineering

Research Article

Study on Creep Mechanical Properties of Non-Water Reacting Polyurethane Grouting Material

Creep test scheme.


Factor	Specimen number	Density (g/cm³)	UCS (MPa)	Factor level

Temperature	S18	0.141	0.92	25°C, 35°C, 45°C
	S8	0.231	2.24	25°C, 35°C
	S16	0.355	4.00	25°C, 15°C, 5°C, −5°C, −15°C, −25°C, −35 °C

Density	S17	0.141	1.85	0.4 UCS, 0.5 UCS, 0.6 UCS, 0.7 UCS
	S21	0.177	2.47	0.5 UCS, 0.6 UCS, 0.7 UCS, 0.8 UCS
	S22	0.194	2.81	0.45 UCS, 0.55 UCS, 0.65 UCS
	S14	0.212	3.23	0.5 UCS, 0.6 UCS, 0.7 UCS, 0.8 UCS, 0.9 UCS
	S7	0.233	3.78	0.55 UCS, 0.65 UCS, 0.75 UCS
	S2	0.295	5.68	0.2 UCS, 0.3 UCS, 0.4 UCS, 0.5 UCS, 0.6 UCS, 0.7 UCS, 0.8 UCS, 0.9 UCS, 1.0 UCS, 1.1 UCS
	S15	0.357	8.13	0.4 UCS, 0.5 UCS, 0.6 UCS, 0.7 UCS, 0.8 UCS, 0.9 UCS
	S5	0.407	10.48	0.3 UCS, 0.35 UCS, 0.4 UCS, 0.5 UCS, 0.6 UCS, 0.7 UCS, 0.8 UCS, 0.9 UCS, 1.0 UCS
	S6	0.408	10.53	0.6 UCS, 0.67 UCS, 0.74 UCS, 0.81 UCS, 0.88 UCS
	S10	0.461	13.40	0.5 UCS, 0.57 UCS, 0.64 UCS, 0.71 UCS, 0.78 UCS, 0.85 UCS, 0.92 UCS
	S3	0.567	20.26	0.4 UCS, 0.47 UCS, 0.54 UCS, 0.61 UCS, 0.68 UCS, 0.75 UCS, 0.82 UCS, 0.89 UCS, 0.96 UCS, 1.03 UCS, 1.1 UCS
	S4	0.585	21.60	0.5 UCS, 0.6 UCS, 0.7 UCS, 0.8 UCS, 0.9 UCS, 0.95 UCS, 1.0 UCS, 1.05 UCS, 1.1 UCS, 1.15 UCS
	S19	0.630	25.07	0.4 UCS, 0.48 UCS, 0.56 UCS, 0.64 UCS, 0.69 UCS, 0.74 UCS,
				0.79 UCS, 0.84 UCS, 0.88 UCS, 0.92 UCS, 0.96 UCS, 1.0 UCS, 1.04 UCS
	S20	0.695	30.60	0.5 UCS, 0.58 UCS, 0.66 UCS, 0.74 UCS, 0.82 UCS, 0.9 UCS, 0.98 UCS, 1.06 UCS

Note. UCS represents uniaxial compressive strength.