Ultimate Bearing Capacity of Ring Foundations Embedded in Undrained Homogeneous Clay

Table 1

Bearing capacity coefficient of the circular foundation.

No.		Method of analysis	Percent difference with this paper	Reference
1	7.41	Elastic plastic theory	-18.76	Terzaghi [27]
2	6.00	Plastic theory	0.33	Skempton [28]
3	6.05	Plastic theory and experiments	-0.50	Meyerhof [29]
4	6.05	Plastic theory	-0.50	Eason and Shield [30]
5	6.17	Elastic plastic theory	-2.43	Hansen [31]
6	6.34	Stress characteristics method	-5.05	Tant and Craig [32]
7	5.856 (LB); 6.227 (UB)	FE limit analysis	2.80; -3.32	Salgado et al. [33]
8	6.09	Small strain FE analysis	-1.15	Edwards et al. [34]
9	6.166	FE analysis	-2.37	Taiebat and Carter [35]
10	5.945	Small strain FE analysis	1.26	Gourvenec and Mana [36]
11	6.08	Small strain FE analysis	-0.99	Lee et al. [16]
12	6.05	Stress characteristics method	-0.50	Keshavarz and Kumar [37]
13	6.056	Finite difference method	-0.59	Benmebarek et al. [38]
14	6.05	Stress characteristics method	-0.50	Martin [39]
15	6.01	Lower bound limit analysis	0.17	Kumar and Khatri [40]
16	6.16	Upper bound limit analysis	-2.27	Kumar and Chakraborty [41]
17	5.98	Finite element method	0.67	Birid and Choudhury [17]
18	6.04	Finite element limit analysis	0.33	Keawsawasvong and Lai [19]
19	6.02	FE limit analysis	—	Present study

Note: LB = lower bound limit analysis; UB = upper bound limit analysis.