工作面顶板周期来压灾变预测和拓扑预测

Study of Disaster and Expandation Prediction of Periodic Roof Weighting in Working Face

工作面顶板周期来压是矿井灾害之一．本文用灰色系统理论的灾变预测和拓扑预测对工作面顶板周期来压进行了研究，并利用义马跃进煤矿支柱载荷的观测数据和工作面顶板周期来压的关系对工作面顶板周期来压进行预测，得出了精度较高的预测结果，为工作面顶板周期来压的预测提供了新的思路．

Periodic roof weighting in working face is one of serious disasters in coal mine. The authors have studied on periodic roof weighting in working face by disaster and expandation prediction methods which belong to grey system theory, thus, higher pricision prediction result from real data is obtained. Some proposals have provided for the prediction of periodic roof weighting in working face.