【摘要】 通过单轴压缩实验,获得了宏景塔矿煤系地层岩石单轴抗压强度及弹性模量的33组试验数据,利用Matlab 2014b专业数据分析软件的Curve Fitting Tool程序,以弹性模量为自变量,单轴抗压强度为因变量,分别建立了线性函数、二次函数、三次函数、指数函数、幂函数及三角函数6种回归预测模型,并结合和方差、均方根、置信区间、决定系数等统计学参数,最终确定三角函数回归预测模型,最适合宏景塔煤矿煤系地层单轴抗压强度分析。以期望为宏景塔矿试验估算岩石单轴抗压强度及煤系地层有关工程提供参考。更多还原

【Abstract】 Through uniaxial compression experiments, obtained 33 sets of experimental data of uniaxial compressive strength and elastic modulus of coal rock in Hongjingta. Using Matlab 2014 b professional data analysis software Curve Fitting Tool program, the elastic modulus as the independent variable, the uniaxial compressive strength as the dependent variable. It set up regression prediction models of linear function, quadratic function, cubic function, exponential function, power function and trigonometric function. Combined with statistical parameters such as sum of squares due of error, root mean squared error, confidence interval and coefficient of determination. Finally, finding the regression prediction model of trigonometric function is most suitable for predicting the uniaxial compressive strength of coal rock in Hongjingta. In order to estimate rock uniaxial compressive strength and provide reference for the relative project in Hongjingta.更多还原