Prediction of Residual Gas Content during Coal Roadway Tunneling Based on Drilling Cuttings Indices and BA-ELM Algorithm

<div>Corresponding diagram of drilling cuttings indices and residual gas content in coal seam.</div>

Advances in Civil Engineering

Figure 3: Prediction of Residual Gas Content during Coal Roadway Tunneling Based on Drilling Cuttings Indices and BA-ELM Algorithm 