List of products by author: L. P. Calbrix

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  Permanent rock boltswith100 -yeardesign life in contaminated ground

  Abstract: When used as permanent tunnel support, rock bolts are now universally required to serve a minimum 100-year design life. A couple of options may be considered when designing permanent rock bolts using either Glass-Fibre Reinforced Polymer bolts or steel rebar. Whilst the industry standard steel bar bolt with double corrosion protection system offers suitable protection in non-aggressive...

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