Improving Hard Rock Materials Cuttability by Hydraulic Fracturing at Mining Working Face

Improving Hard Rock Materials Cuttability by Hydraulic Fracturing at Mining Working Face

During advancing the working face at Guojiawan Coal Mine, hard rock faults are encountered, which hinder the normal cutting of the shearer. Hydraulic fracturing is applied to pretreat the hard rock materials. Un-directional hydraulic fracturing experiments in transparent gelatin samples are carried...

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Bibliographic Details
Main Authors: Haojie Li, Benben Liu, Qingyuan He, Yanan Gao, Dan Ma, Haiyan Yang, Jingyi Cheng, Jiqing Ye, Guoqiang Liu
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Applied Sciences
Subjects:
rock materials cuttability
hydraulic fracture re-orientation
visualized hydraulic fracture experiment
rock fault at coal mining working face
Online Access:https://www.mdpi.com/2076-3417/14/24/11908
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