Bulk Density Adjustment of Resin-Based Equivalent Material for Geomechanical Model Test

Table 2

Design mix proportions (groups).

	Coarse aggregate	Fine aggregate	Resin	95% alcohol
	Barite sand and quartz sand	Barite powder
M1	20%	80%	1%	7%
M2	30%	70%	1%	6%
M3	40%	60%	1%	5%
M4	50%	50%	1%	4%

Remarks: the mass of resin was discounted in the denominator when calculating the proportions. In other words, the denominator is the mass of aggregate only. The proportion of alcohol was determined by preexperiments seeking the optimum moisture content for preparation and was also discounted in the denominator.