近日,我院龙志林教授课题组陈莎莎硕士在工程领域权威期刊《Construction and Building Materials》(Top期刊,Q1,影响因子6.141)上发表题为“Effects of particle size on the particle breakage of calcareous sands under impact loadings” (作者:陈莎莎, 张军辉, 龙志林*, 旷杜敏, 蔡洋)的学术论文。该论文通过一系列均匀钙质砂的冲击荷载试验,研究了冲击载荷作用下钙质砂的尺寸依赖性行为。基于不同尺寸钙质砂的孔隙比与输入能量的关系,提出了临界能量的概念来解释砂土的抗冲击性能。此外,还提出了用于评价砂土破碎敏感性的“破碎敏感性指数”Bd,其定义为每单位输入能量下相对破碎指数的增量。
Highlights:
1.Effects of particle size on the particle breakage behavior under impact loadings were studied by experimental tests.
2.The critical energy was proposed to explain the impact resistance of sand.
3.The “breakage sensitivity index” Bd was proposed to evaluate the breakage sensitivity of samples.
Graphical Abstract: