CAJ | 학술논문

借助 SHPB 实验装置建立了用于分层介质动态性能研究和数据分析的实验方法，通过调整子弹速度进行反复试验，测得由 C30混凝土和泡沫混凝土组成的硬－软分层介质在冲击荷载下的应力、应变随时间的变化关系。实验结果显示，硬－软分层介质表现出的塑性性质明显强于硬材料的塑性，在应力、应变增加时，弹性模量逐渐减小，软材料的吸能作用很好的保护了硬材料，说明硬－软分层介质具有很好的抗高速冲击和削波作用。
차조 SHPB 실험장치건립료용우분층개질동태성능연구화수거분석적실험방법，통과조정자탄속도진행반복시험，측득유 C30혼응토화포말혼응토조성적경－연분층개질재충격하재하적응력、응변수시간적변화관계。실험결과현시，경－연분층개질표현출적소성성질명현강우경재료적소성，재응력、응변증가시，탄성모량축점감소，연재료적흡능작용흔호적보호료경재료，설명경－연분층개질구유흔호적항고속충격화삭파작용。
Using SHPB test device,a test method used in layered medium dynamic performance study and data analysis was established.By adjusting bullet speeds and testing repeatedly,the varyings of stress and strain of hard -soft layered medium composed of C30 concrete and foam concrete versus time under impact loading were measured.The test results showed that the plastic property of the hard-soft layered medium is much stronger than that of hard material;the elastic modulus of the hard-soft layered medium decreases gradually with increase in stress and strain,the energy absorption action of soft material can effectively protect hard material,so the hard-soft layered medium has a good ability of anti-high speed shock and anti-shock wave propagation.