基于逐步回归分析法研究初始释放瓦斯膨胀能指标

Study on the Expansion Energy Indexes of Initial Releasing Gas Based on the Stepwise Regression Analysis

摘要: 选取初始释放瓦斯膨胀能作为因变量，并从近几年来的初始释放瓦斯膨胀能的实测资料中选取20组具有代表性的数据，利用回归分析法并结合SPSS软件对数据进行分析，验证了瓦斯压力、瓦斯放散初速度和煤的坚固性系数与膨胀能是有关系的，且建立了预测模型，并对预测结果进行分析验证，预测的精度可以满足工程的需要，说明利用逐步回归分析对初始释放瓦斯膨胀能进行预测是可行的。
- 初始释放瓦斯膨胀能 /
- 逐步回归分析 /
- 单项指标 /
- 预测模型
Abstract: Selected the expansion energy of initial released gas as dependent variables. It chose the representative data of 20 groups from measured data of expansion energy of initial releasing gas in recent years, and used regression analysis method and SPSS software to analyze the data. It verified that the gas pressure, initial velocity of gas diffusion, coal firmness coefficient and expansion energy had a relationship. It established the prediction model, analyzed and verified the prediction results. The prediction accuracy could satisfy the need of engineering, and illustrated it was feasible for the use of stepwise regression analysis on the expansion energy prediction of initial releasing gas.
- expansion energy of initial releasing gas /
- stepwise regression analysis /
- single index /
- prediction model

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