The intervals of main roofweighting at work faces were predicted by using artificial neural network.
利用人工神经元网络对工作面的顶板来压步距进行了预测。
2
The loci of plastic hinge line and the maximum load during first roofweighting are determined by using kinematical method, and the minimum span of roof key stratum is derived.
利用机动法确定了老顶岩板初次来压时载荷的上限值和塑铰线的位置，得到了顶板岩体关键层的最小破断跨距。
3
Based on the study of mechanism of roofweighting in coal face, a expert system for forecasting pattern, inferring strategy, monitoring method and data processing method are established.