Experimental Research on Microstructure and Physical-Mechanical Properties of Expansive Soil Stabilized with Fly Ash, Sand, and Basalt Fiber

Table 4

Growth rate of unconfined compressive strength of stabilized soil with 0.4% basalt fiber.

Sand content (%)	Fly ash content (%)
	0	5	10	15	20
0	42.11	61.76	115.60	53.45	23.38
8	32.58	111.31	165.76	85.81	50.46
16	46.41	60.23	116.54	60.52	40.77
24	31.01	51.43	80.69	46.13	19.41