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水平反力系数 - Vesic法

土的水平反力系数由下式计算得到:

其中:

Ep

-

桩身材料弹性模量 [MPa]

Ip

-

桩身截面惯性矩 [m4]

Es

-

岩土体弹性模量 [MPa]

d

-

桩径 [m]

ν

-

泊松比 [-]

参考文献:

Poulos, H. G. et. Davis, E. H.: Pile Foundations Analysis and Design. New York: John Wiley and Sons, 1980, chapter 8.2.3, pp. 174 (equation 8.43).

Vesic, A. S.: Bending of Beams Resting on Isotropic Elastic Solid. JSMFD, ASCE, vol. 87, 1961, EM 2: pp. 35 – 53.

Vesic, A.S.: Design of Pile Foundations. National Cooperative Highway Research Program Synthesis 42, Transportation Research Board, Washington D.C., 1977.

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