Compression Characteristics and Constitutive Model of Low-Exotherm Modified Polyurethane Grouting Materials

Table 4

Elasticity moduli calculation results.

Density (g/cm^3)	Relative density	Elasticity moduli (MPa)
		Theoretical value	Test value	Error
0.09	0.0750	17.29	17.65	2.04
0.24	0.2000	85.63	89.73	4.57
0.35	0.2833	177.81	175.95	1.06