Active Thrust on an Inclined Retaining Wall with Inclined Cohesionless Backfill due to Surcharge Effect

Table 1

Variation of the height of point of application of active thrust, 𝐻_𝑟, with angle of wall back (𝜃), angle of soil friction (𝜙), soil and wall friction (𝛿) and backfill slope (𝛽).

Angle of wall back, 𝜃 (degrees)	Angle of soil friction, 𝜙 (degrees)	Angle of wall friction, 𝛿 (degrees) (𝛿=2/3𝜙)	Angle of backfill slope, 𝛽 (degrees) 𝛽/𝜙 = (0.4, 0.6, 0.8)	𝐻𝑟 (=h/H)
80			16	0.336
	40	26.667	24	0.397
			32	0.511
			14	0.388
	35	23.333	21	0.451
			28	0.566
			12	0.446
	30	20	18	0.510
			24	0.622
			10	0.512
	25	16.667	15	0.575
			20	0.682
70			16	0.657
	40	26.667	24	0.708
			32	0.814
			14	0.625
	35	23.333	21	0.68
			28	0.775
			12	0.605
	30	20	18	0.648
			24	0.729
			10	0.584
	25	16.667	15	0.625
			20	0.692