Compressive Test Characteristics and Constitutive Relationship of Wet Polypropylene Macrofiber-Reinforced Shotcrete

Table 3

Initial strength attenuation coefficients of three different shotcrete mixes.

Specimen code	Dry shotcrete	Wet shotcrete	Wet polypropylene macrofiber shotcrete
1	0.860	0.719	0.877
2	0.723	0.665	0.571
3	0.672	0.799	0.696
4	0.805	0.757	0.650
5	0.850	0.836	0.551
6	0.909	0.682	0.658
Average	0.803	0.743	0.667