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Joint Bearing Mechanism of Coal Pillar and Backfilling Body in Roadway Backfilling Mining Technology

Zhengzheng Cao1, Ping Xu1,*, Zhenhua Li2, Minxia Zhang1, Yu Zhao1, Wenlong Shen2

School of Civil Engineering, Henan Polytechnic University, Jiaozuo 454000, China .
School of Energy and Engineering, Henan Polytechnic University, Jiaozuo 454000, China.

* Corresponding author: Ping Xu. Email: email.

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