The results of analyses showed that vertical loads can significantly increase the horizontal bearing capacity of the piles in sandy soils and marginally decrease the capacity in clayey soils.

• 分析结果表明，竖向荷载对桩基的水平承载力有显著影响，在砂土中使桩基水平承载力显著提高，在黏土中则使其稍微减小。