By comparing and analyzing the interior and surface displacement in simulating test, it was pointed out that there are distinct differences between them, which was proved by mechanical analysis.

• 通过对相似模拟实验中内部位移与表面位移的测试和对比分析,指出在模型实验的不同阶段,内部位移与表面位移具有明显的差异,力学分析证明了这一结果。