A principal component analysis/fuzzy comprehensive evaluation model for coal burst liability assessment

One of the major factors inhibiting the construction of deep underground projects is the risk posed by rockbursts. A study was conducted on the access tunnel of the Shuangjiangkou hydropower station to determine the evolutionary mechanism of microfractures within the surrounding rock mass during rockburst development and develop a rockburst warning model. The study area was chosen through the combination of field studies with an analysis of the...