Experimental and Numerical Studies on Flowing Properties of Grouting Mortar Based on the Modified MPS Method

Table 1

Mix proportion of grouting mortar, kg/m³.

No	Mix designation	Cement	Water	FA^a		VMAS^b	HRWR^c
				FA	FA
1	0.4	969	388	621	156	0.0	0.9
2						0.45	2.0
3						0.1	0.7

^aFine aggregate <2.5 mm (note: a part of the fine aggregate is the coarser fraction of the limestone powder, FA125 μm–1.2 mm, whereas FA refers to natural river sand ≥1.2 mm). ^bThickening agent. ^cPolycarboxylate superplasticizer.