T he results of the basic research show that a tri-axial stress will be produced in the tensile specimens because of components property difference of the metal matrix gradient composites (MMGC).
理论研究表明，金属基梯度复合材料（MMGC）各组分性能的差异使其在拉伸变形时产生了三轴应力。
The compression degree experiment provides the samples for different conservation periods in the tri axial shearing stress test .
压实度试验为三轴剪切试验制作不同养护龄期的样品；
Based on a series of static and dynamic tri-axial tests on different rockfill, the special stress and deformation behaviors of rockfill are revealed.
基于不同堆石料的多组大型静、动三轴试验，揭示了堆石料的特殊应力变形特性。
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