A Comparative Study between Polyline and Straight Line Arrangements of Antislide Piles Based on Soil Arching Effect

Table 3

Peak and vector height statistics for the X-directional principal stresses of soil arches.

Pile layout angle	X-directional principal stress peak (kPa)				Vector height (m)
	3# soil arch	4# soil arch	5# soil arch	6# soil arch	3# soil arch	4# soil arch	5# soil arch	6# soil arch
Straight line layout	5.5	5.5	5.5	5.5	1.95	1.95	1.95	1.95
10° layout	6.92	7.29	7.73	6.14	2.17	2.33	1.46	1.95
20° layout	7.3	7.7	8.4	7.26	2.27	2.24	1.46	1.95
30° layout	8.4	8.8	9.41	7.27	2.25	2.56	0.97	1.95