南华大学学报(自然科学版)
南華大學學報(自然科學版)
남화대학학보(자연과학판)
JOURNAL OF NANHUA UNIVERSITY(SCIENCE AND TECHNOLOGY)
2009年
2期
10-13
,共4页
花岗岩%大理岩%动态抗压强度%纵波速度%随机性
花崗巖%大理巖%動態抗壓彊度%縱波速度%隨機性
화강암%대리암%동태항압강도%종파속도%수궤성
granite%marble%dynamic compressive strength%longitudinal wave speed%randomicity
通过单轴SHPB实验,对大量花岗岩和大理岩试样的动态抗压强度、纵波波速进行了测试,对实验数据的计算表明:抗压强度的离散性较小,偏离系数只有20%左右,纵波波速和动弹性模量的离散性较大,达到了40%以上.
通過單軸SHPB實驗,對大量花崗巖和大理巖試樣的動態抗壓彊度、縱波波速進行瞭測試,對實驗數據的計算錶明:抗壓彊度的離散性較小,偏離繫數隻有20%左右,縱波波速和動彈性模量的離散性較大,達到瞭40%以上.
통과단축SHPB실험,대대량화강암화대리암시양적동태항압강도、종파파속진행료측시,대실험수거적계산표명:항압강도적리산성교소,편리계수지유20%좌우,종파파속화동탄성모량적리산성교대,체도료40%이상.
Based on uniaxial SHPB experiment,the dynamic compressive strength and longitudinal wave speed were obtained for a large number of granite and marble samples.Calculation of experimental data exhibits only about 20% of deviation coefficient for the compressive strength and more than 40% for longitudinal wave speed and dynamic elastic modulus.