Water-resisting Property and Key Technologies of Grouting Reconstruction of the Upper Ordovician Limestone in North China’s Coalfields

Dr. Hao Wang‘s primary academic focus is mine water hazard prevention and disaster control, as well as environmental remediation in mining areas. He has published 33 papers and won 16 academic awards on these topics. Dr. Wang has led or participated in more than 20 scientific research projects, including projects funded by the National Natural Science Foundation of China, National Key Technology Support Program Foundation, and National Key Research and Development Program Foundation. He also participated in China’s top-level design project on mine water prevention and control, sponsored by the National Coal Mine Safety Administration China.

• Introduction.- Paleosedimentary Environments And Karst Characteristics Of Ordovician Limestone In North China Coalfields.- Water-Bearing And Water-Resisting Properties Of Top Of Ordovician Limestone In North China Coalfields.- Utilizability Of Weathered And Filled Zone Of Top Of Ordovician Limestone In North China Coalfields.- Criterion For Utilization And Grouting Reconstruction Of Top Of Ordovician Limestone.- Technical System Of Grouting Reconstruction Of Top Of Ordovician Limestone.- Case Study Of Utilization And Grouting Reconstruction Of Top Of Ordovician Limestone.- Conclusions And Innovation Points.