Bending Moment Calculations for Piles Based on the Finite Element Method

Table 7

Calculated bending moment in the wall (with CPE4).

Item		Grid number along; the length	Grid number across wall section
			2		4		8
			Bending moment; (kN·m)	Error; (%)	Bending moment; (kN·m)	Error; (%)	Bending moment; (kN·m)	Error; (%)
𝑀𝑏	Computed with stress	15	1096.813	−58.61	1335.297	−49.61	1393.136	−47.43
		30	1714.913	−35.29	2052.434	−22.55	2133.281	−19.50
		60	2073.363	−21.76	2454.809	−7.37	2546.233	−3.92
	Computed with displacement	15	1073.083	−63.50	1048.292	−64.34	1042.292	−64.55
		30	1966.567	−33.11	1880.900	−36.02	1860.867	−36.70
		60	2724.200	−7.34	2521.400	−14.24	2478.267	−15.70
𝑀𝑚	Computed with stress	15	−535.650	−40.64	−658.054	−27.07	−687.977	−23.76
		30	−657.713	−27.11	−805.006	−10.79	−840.821	−6.82
		60	−694.513	−23.03	−850.134	−5.79	−887.903	−1.60
	Computed with displacement	15	−690.833	−23.81	−679.167	−25.09	−676.667	−25.37
		30	−851.667	−6.07	−840.000	−7.35	−836.667	−7.72
		60	−900.000	−0.74	−886.667	−2.21	−886.667	−2.21