摘要
为了研究岩石的弹性刚度与岩石力学特性的内在关系,该文在对380块岩石样本进行了点载荷的载荷与变形试验的基础上,从理论上分析了载荷与位移的基本关系,概化了其载荷位移的3种过程模型,并对其进行了刚度和回归分析,得到了点载荷试验的刚度是一重要的岩石力学参数的结论。对进一步揭示点载荷试验的应力应变关系和刚度分析做了有益的探索。
In order to study the internal relations between the stiffness and strength of rock, the analytical solution of the load-displacement relation in the point load test is deduced, and three models of the deformation process are summarized based on the experiment on 380 rock specimens for point load testing. Based on the mechanical analysis of these models, regression analysis of the rock stiffness is carried out. The results show that the rock stiffness in the point load test is also a new important param- eter of rock mechanics, which is helpful to exploring the relationship between the stress and stiffness in the point load test.
出处
《合肥工业大学学报（自然科学版）》
CAS
CSCD
北大核心
2007年第10期1353-1356,共4页
Journal of Hefei University of Technology：Natural Science
基金
教育部留学回国基金资助项目(教外司留[2007]24号)
关键词
点载荷试验
载荷与位移
刚度
回归分析
point load testing
load and displacement
stiffness
regression analysis
