Mechanical Properties and Application of Right-Hand Rolling-Thread Steel Bolt in Deep and High-Stress Roadway

The left-hand rolling-thread steel bolt has been proposed as a new bolt for controlling roadway surrounding rock. To explore the mechanism of a left-hand rolling-thread steel bolt in roadway surrounding rock control, its pretightening forces, tensile strengths, anchoring forces, and maximum working...

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Bibliographic Details
Main Authors: Jinpeng Zhang, Limin Liu, Jun Shao, Qinghai Li
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Metals
Subjects:
Online Access:http://www.mdpi.com/2075-4701/9/3/346