Effects of Freezing and Thawing Cycle on Mechanical Properties and Stability of Soft Rock Slope

Table 1

Orthogonal experiment design and results.

Number	Moisture content (%)	Number of the freezing and thawing cycles	Temperature (°C)	(kPa)	(°)
(1)	15.3	1	−5	31.9	20.9
(2)	15.3	2	−10	27.1	19.8
(3)	15.3	3	−15	25.2	18.2
(4)	15.3	5	−20	22.7	17.2
(5)	18.1	1	−10	25.8	20.5
(6)	18.1	2	−5	23.1	19.8
(7)	18.1	3	−20	19.6	17.5
(8)	18.1	5	−15	17.9	16.8
(9)	20.3	1	−15	21.7	19.9
(10)	20.3	2	−20	18.7	18.6
(11)	20.3	3	−5	18.2	17.6
(12)	20.3	5	−10	15.3	16.7
(13)	23	1	−20	17.2	19.4
(14)	23	2	−15	15.6	18.2
(15)	23	3	−10	13.7	17.2
(16)	23	5	−5	12.7	16.4