Forecasting Disastrous Characteristics of Highway Landslides Using the Material Point Method: A Surcharge-Induced Perspective

Table 2

Parametric sensitivity analysis.

Scenario number	Surcharge (kPa)	Cohesion (kPa)	Internal friction angle (°)	Slope angle (°)	Sliding distance (m)	Sliding speed (m/s)
1	300	20	25	35	8.492	1.5626
2	350	20	25	35	11.415	1.9783
3	400	20	25	35	14.227	2.6862
4	450	20	25	35	15.569	2.7328
5	500	20	25	35	16.911	2.9698
6	550	20	25	35	18.318	3.3343
7	600	20	25	35	19.185	3.5408
8	400	15	25	35	15.681	2.832
9	400	17	25	35	15.174	2.7772
10	400	19	25	35	14.251	2.5446
11	400	20	25	35	14.227	2.6862
12	400	21	25	35	13.027	2.3332
13	400	23	25	35	11.954	2.0658
14	400	25	25	35	10.759	1.8943
15	400	27	25	35	9.4391	1.716
16	400	29	25	35	8.2382	1.4373
17	400	30	25	35	7.6099	1.2967
18	400	20	20	35	20.886	3.8407
19	400	20	22	35	18.159	3.3991
20	400	20	24	35	15.475	2.9001
21	400	20	25	35	14.227	2.6862
22	400	20	26	35	12.912	2.4793
23	400	20	28	35	10.175	1.9355
24	400	20	30	35	7.61	1.3646
25	400	20	32	35	5.46	0.83115
26	400	20	34	35	3.5008	0.41482
27	400	20	35	35	2.7073	0.25283
28	400	20	25	25	3.9192	0.8591
29	400	20	25	30	8.1405	1.4788
30	400	20	25	35	14.227	2.6862
31	400	20	25	40	18.994	3.7907
32	400	20	25	45	20.833	4.2865