...强度和变形特性；三维颗粒流；细观模拟[gap=2069]Key words: gabion-mesh reinforced soil; strength and deformation characteristics; three-dimensional particle flow code; mesoscopic simulation..
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高强混凝土的强度和变形特性与普通混凝土的相比有较大差别。
Compared with common concrete, the strength and the deformation characteristics of high-strength concrete vary greatly from that of common concrete.
为了研究三个主应力不同情况下的土体强度和变形特性，需要进行复杂的真三轴试验研究，本文主要研究内容如下。
In order to study the pressure features and deformation features of soil under three different major stresses, complicated truly triaxial test are needed.
X射线CT研究混凝土的目的是通过CT扫描获得的CT图像，分析混凝土在不同荷载作用下细观裂纹的演化过程，解释混凝土宏观强度和变形特性。
The purpose of studying concrete using X-ray CT is to analyze concrete meso-crack evolution process and explain concrete macroscopic strength and strain character based on concrete CT images.
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