On the basis of chaotic model, this paper discusses the reasonable identification of relativistic deformation on ground capacity in plate loading test according to the result of the test.

• 以混沌理论模型的分析值为基础，以现场载荷试验的结果为依据，对载荷试验法确定地基承载力时相对变形值的合理取定进行了论述.