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Numerical Simulation Research of the Influence Parameter of Impedance Friction Stress on the Anchorage Segment of Flexible Injection Bolt

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Abstract:

On account of analytic method and test method are difficult, we use the finite element method on flexible inner pressure bolt, Obtaining: The adjacent formation elasticity coefficient is bigger this kind of anchor rod the anchor effect to be better; Within a certain range, the anchor rod body rubber material elasticity coefficient is smaller is more advantageous in enhances the anchor rod the anchor effect; Increase the coefficient of friction between the bolt and surrounding rock, Can significantly improve the anchor bolt effect; Anchor maximum impedance friction stress uniformly distributed along the axial direction, This causes the flexible note to press the anchor rod to have the big superiority.

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Info:

Periodical:

Applied Mechanics and Materials (Volume 623)

Pages:

28-33

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.623.28

Citation:

Cite this paper

Online since:

August 2014

Authors:

Xuan Li Zhang*, Shu Ning Zuo

Keywords:

Anchoring Effect, Finite Element Analysis (FEA), Flexible Inner Pressure Bolt, Resistance Drawing Stress

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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References

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