Risk Evaluation Model of Highway Tunnel Portal Construction Based on BP Fuzzy Neural Network

<div>Structure of the BP neural network (<i>x</i><sub><i>I</i></sub>: input variable; <i>y</i><sub><i>N</i></sub>: estimated output).</div>

Computational Intelligence and Neuroscience

Figure 1: Risk Evaluation Model of Highway Tunnel Portal Construction Based on BP Fuzzy Neural Network 