Analysis of Factors Influencing Stability of Overlying Soil Layer on Thin Bedrock Based on Crack Development-Closure Test

Table 4

Visual analysis of the experimental results of crack development-closure in soil layer.

Experiment number	Column	1	2	5	10	Experimental results: Qi (10^−6 m^3/s)
	Factor	Cc	Cl	Cw	ω
1		1	1	1	1	0.000
2		1	1	2	2	1.517
⋮	⋮	⋮	⋮	⋮	⋮	⋮
26		3	3	2	2	0.975
27		3	3	3	3	12.167
Ij		22.409	131.882	1.274	117.374
IIj		33.824	122.850	21.958	121.583
IIIj		225.507	27.008	258.508	42.783
		2.490	14.654	0.142	13.042
		3.758	13.650	2.440	13.509
		25.056	3.001	28.723	4.754
		−1.268	1.004	−2.298	−0.467
		−22.566	11.653	−28.581	8.288
		−21.298	10.649	−26.283	8.755

The soil layer in experiment No. 21 and No. 24 is destroyed, and their experimental results tend to  m³/s. Because the value cannot participate in the calculation, the rate of flow result in experiment No. 21 and No. 24 is calculated to be a larger value of 100 (10⁻⁶ m³/s).