Abstract:Steel shed reinforced concrete combined support technology has been well applied in recent engineering practices. Based on tests and post-evaluations, this technology is considered highly suitable for complex geological conditions such as fractured and weak surrounding rocks in terms of technical comprehensive feasibility. However, there is little detailed research or analysis about this composite support method and related critical technologies. This paper, adopting methods of references study, practical cases study and data analysis, studied and summarized the technical feasibility of adopting steel shed reinforced concrete composite support method through post evaluation of the open slot section construction of a large copper mine's belt inclined shaft. It outlined key techniques and corresponding applicable situations of four core processes: construction of steel shed, construction of reinforced concrete arch skeleton, integrated construction of concrete work, and construction of transition section between open slot and underground tunnel. The aim was to provide references for support method selection and construction of copper mine roadway support under similar working conditions.