1.Hansen B. A Revised and Extended Formula for Bearing Capacity.Bulletin of the Danish Geotechnical Institute. Copenhagen, 1970, 28:5-11
[2]
2.Vesic A S. Bearing Capacity of Shallow Foundations Winterkorn H F,Fang H Y.Foundation Engineering Handbook. New York:VanNostrand, 1975: 121-147
[3]
3.Meyerhof G G.Limit Equilibrium Plasticity in Soil Mechanics Proc.Application of Plasticity and Generalised Stress -Strain in GeotechnicalEngineering. ASCE, 1980: 7-24
[4]
4.Ukritchon B, Whittle A J, Sloan S.Undrained Limit Analysis forCombined Loading of Strip Footings on Clay. Journal of Geotechnicaland Geoenvironmental Engineering, 1998,124(3): 265-276
[5]
5.Martin C M, Randolph M F. Applications of the Lower and UpperBound Theorems of Plasticity to Collapse of Circular Foundations Proc.10th IACMAG Conf. 2001: 1 417-1 428
[6]
6.Tan F S. Centrifuge and Theoretical Modeling of Conical Footings onSand. London: Cambridge University, 1990
[7]
7.Dean E H, James R G, Schofield A S, et al. The Bearing Capacity ofConical Footings on Sand in Relation to the Behaviour of SpudcanFootings of Jack -Ups Proc. Wroth Memorial Symp. “ Predictive SoilMechanics”. Oxford, UK: Thomas Telford, 1992: 230-253
[8]
8.Martin C M. Physical and Numerical Modelling of Offshore FoundationsUnderCombined Loads. London: University of Oxford, 1994
[9]
9.Bransby M F, RandolphM F. Shallow Foundations Subject to CombinedLoadings Computer Methods and Advances in Geomechanics.Balkema, Rotterdam: 1997: 1 947-1 952
[10]
10. Gourvenec S, RandolphM F. Effect of Strength Non -Homogeneity on theBearing Capacity of Circular Skirted Foundations Subjected to CombinedLoading Proc. 11th ISOPE. Kyushu, Japan: 2002: 693-698
[11]
11.Gourvenec S, Randolph M F.Effect of Strength Non -Homogeneity onthe Shape of Failure Envelopes Combined Loading of Strip and CircularFoundations on Clay. Geotechnique, 2003, 53 (6): 575-586
[12]
12.Murff J D. Limit Analysis of Multi-Footing Foundation Systems Proc ofthe 8th Int.Conf. on Computer Methods and Advances inGeomechanics. Morgantown: 1994: 223-244
