#7724. Experimental and analytical investigation of the shear resistance of a rock joint held by a fully-grouted bolt and subject to large deformations

October 2026publication date
Proposal available till 24-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Civil and Structural Engineering;
Geotechnical Engineering and Engineering Geology;
Transportation;
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Abstract:
Failures of rock bolts installed in jointed rock masses due to shear movement along weak joints in bedding rock slopes or underground caverns are common. Existing models to design rock bolts often only consider a rock bolts shear behavior in the elastic stage and ignore their larger non-elastic deformations, which significantly underestimates the bolts contribution to the joint shear resistance. Therefore, developing an analytical model capable of reflecting the plastic strain?hardening of rockbolts subjected to large deformation is very necessary for more effective numerical simulation models as well as rock support design.
Keywords:
Analytical model; Grouted bolt; Joint shear strength contribution; Plastic deformations

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