Table 1. Programme for the numerical...

Table 1.

Programme for the numerical simulations (those chosen for centrifuge testing are in bold)

Test	Name of test	Soil thickness h: m	Bedrock step height, y: m	y/h: m	Bedrock step length, X₂: m	Ground model figure	Centrifuge test descriptor
1	GP_1.0_0_0	1·0	0	0	0
2	GP_1.0_0.25_8.5	1·0	0·25	0·25	8·5
3	GP_1.0_0.5_8.5	1·0	0·5	0·5	8·5
4	GP_1.0_0.6_8.5	1·0	0·6	0·6	8·5
5	GP_1.0_0.75_8.5	1·0	0·75	0·75	8·5		4.a (Figure S24)
6	GP_1.25_0_0	1·25	0	0	0		8.b (Figure S28)
7	GP_1.25_0.25_3	1·25	0·31	0·25	3·0
8	GP_1.25_0.5_3	1·25	0·63	0·5	3·0
9	GP_1.25_0.6_3	1·25	0·75	0·6	3·0		7.b (Figure S27)
10	GP_1.25_0.75_3	1·25	0·94	0·75	3·0
11	GP_1.25_0.25_8.5	1·25	0·31	0·25	8·5
12	GP_1.25_0.5_8.5	1·25	0·63	0·5	8·5
13	GP_1.25_0.6_8.5	1·25	0·75	0·6	8·5		7.a, 8.a (Figure 15)
14	GP_1.25_0.75_8.5	1·25	0·94	0·75	8·5
15	GP_1.5_0_0	1·5	0	0	0	6(a)	1.b, 6.b (Figure 12)
16	GP_1.5_0.25_3	1·5	0·38	0·25	3·0	5(a), 6(b)
17	GP_1.5_0.5_3	1·5	0·75	0·5	3·0	5(b), 6(c)	5.b (Figure S25)
18	GP_1.5_0.75_3	1·5	1·125	0·75	3·0	5(c), 6(d)	2.b, 3.b, 4.b (Figure 13, S23)
19	GP_1.5_0.25_8.5	1·5	0·38	0·25	8·5	5(d), 6(e)
20	GP_1.5_0.5_8.5	1·5	0·75	0·5	8·5	5(e), 6(f)	2.a, 3.a (Figure S22)
21	GP_1.5_0.75_8.5	1·5	1·125	0·75	8·5	5(f), 6(g)	1.a, 5.a, Proof. (Figure 14, S21)
22	GP_3.0_0_0	3·0	0	0	0	6(h)
23	GP_3.0_0.25_8.5	3·0	0·75	0·25	8·5	6(i)
24	GP_3.0_0.375_8.5	3·0	1·125	0·375	8·5	5(g)	6.a (Figure S26)
25	GP_3.0_0.5_8.5	3·0	1·5	0·5	8·5	6(j)
26	GP_3.0_0.75_8.5	3·0	2·25	0·75	8·5	6(k)

Test	Name of test	Soil thickness h: m	Bedrock step height, y: m	y/h: m	Bedrock step length, X₂: m	Ground model figure	Centrifuge test descriptor
1	GP_1.0_0_0	1·0	0	0	0
2	GP_1.0_0.25_8.5	1·0	0·25	0·25	8·5
3	GP_1.0_0.5_8.5	1·0	0·5	0·5	8·5
4	GP_1.0_0.6_8.5	1·0	0·6	0·6	8·5
5	GP_1.0_0.75_8.5	1·0	0·75	0·75	8·5		4.a (Figure S24)
6	GP_1.25_0_0	1·25	0	0	0		8.b (Figure S28)
7	GP_1.25_0.25_3	1·25	0·31	0·25	3·0
8	GP_1.25_0.5_3	1·25	0·63	0·5	3·0
9	GP_1.25_0.6_3	1·25	0·75	0·6	3·0		7.b (Figure S27)
10	GP_1.25_0.75_3	1·25	0·94	0·75	3·0
11	GP_1.25_0.25_8.5	1·25	0·31	0·25	8·5
12	GP_1.25_0.5_8.5	1·25	0·63	0·5	8·5
13	GP_1.25_0.6_8.5	1·25	0·75	0·6	8·5		7.a, 8.a (Figure 15)
14	GP_1.25_0.75_8.5	1·25	0·94	0·75	8·5
15	GP_1.5_0_0	1·5	0	0	0	6(a)	1.b, 6.b (Figure 12)
16	GP_1.5_0.25_3	1·5	0·38	0·25	3·0	5(a), 6(b)
17	GP_1.5_0.5_3	1·5	0·75	0·5	3·0	5(b), 6(c)	5.b (Figure S25)
18	GP_1.5_0.75_3	1·5	1·125	0·75	3·0	5(c), 6(d)	2.b, 3.b, 4.b (Figure 13, S23)
19	GP_1.5_0.25_8.5	1·5	0·38	0·25	8·5	5(d), 6(e)
20	GP_1.5_0.5_8.5	1·5	0·75	0·5	8·5	5(e), 6(f)	2.a, 3.a (Figure S22)
21	GP_1.5_0.75_8.5	1·5	1·125	0·75	8·5	5(f), 6(g)	1.a, 5.a, Proof. (Figure 14, S21)
22	GP_3.0_0_0	3·0	0	0	0	6(h)
23	GP_3.0_0.25_8.5	3·0	0·75	0·25	8·5	6(i)
24	GP_3.0_0.375_8.5	3·0	1·125	0·375	8·5	5(g)	6.a (Figure S26)
25	GP_3.0_0.5_8.5	3·0	1·5	0·5	8·5	6(j)
26	GP_3.0_0.75_8.5	3·0	2·25	0·75	8·5	6(k)

All dimensions in prototype scale

GP_h_y/h_X₂: Poorly graded gravel (GP)_soil thickness (h)_(height step/soil thickness), y/h_length step, (X₂). Dimensions in prototype scale

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