near-field behavior 近区特性
Systematic field tests on pile groups with near prototype size have been carried out in order to research into the behavior and bearing capacity of bored pile groups in silt.
为了研究粉土中钻孔群桩的工作性能和承载力等问题,进行了系统的接近于原型尺寸的现场群桩试验。通过埋设测试元件对承台土反力、桩侧摩阻力、桩端阻力、桩土相对位移等进行了测定。
The singularity changes and spectral behavior of polychromatic spatially fully coherent light diffracted by an annular aperture in the near field were studied.
研究了多色空间完全相干光经过环形光阑衍射后在远场出现的光谱变化,并给出了详细的数值计算结果和具体实例。
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