Earth Pressure on Retaining Wall with Surface-Inclined Cohesive Fill Based on Principal Stress Rotation

Table 1

The horizontal and vertical components of the active earth pressure (kPa).

(kPa)	Proposed method			Rankine’s theory
	Horizontal component	Vertical component	Resultant force	Horizontal component	Vertical component	Resultant force
0	337.25	74.77	345.44	377.45	0	377.45
2	310.47	77.95	320.10	352.40	0	352.40
5	272.37	81.75	284.37	316.43	0	316.43
8	236.77	84.36	251.34	282.40	0	282.40
10	214.41	85.44	230.81	260.79	0	260.79
15	163.38	85.86	184.57	210.52	0	210.52
18	136.09	84.53	160.21	182.94	0	182.94
20	119.28	82.99	145.31	165.63	0	165.63
25	82.10	76.84	112.45	126.12	0	126.12