it is found that pattern transition of stress-strain relation exists in medium density calcareous sand under different confining pressure.
在分析静三轴试验结果数据后,发现了东山黄土的静应力应变关系、静强度随含水量增加的变化规律。
granule failure of calcareous sand is very special at low stress level. the effect of confining pressure on granule farlure is analyzed and its deformation mechanism discussed.
in this study, serials of shear laboratory tests were carried out and the shear mechanical behavior of calcareous sand was presented thoroughly.
本文通过大量力学试验对钙质砂在三轴 条件下的剪切特性进行了阐述;
the testing device of individual particle strength was designed and individual calcareous sand particles with various sizes were tested.
根据试验目的和要求,设计研制了颗粒强度测试装置,并对不同粒径的钙质砂颗粒强度进行了测试。
calcareous sand is a kind of easily crushed granular materials.
钙质砂是一种易破碎粒状材料。
based on the macroscopic and microscopic features of contact, the incremental elastoplastic constitutive relation for the calcareous sand structure interface was developed under monotonic load.