List of products by author: R. J. Griffith

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  Replacement of PFA in bi-component annulus grout applications

  Abstract: Incorporating PFA or GGBS as secondary components to cement in TBM annulus grouting applications has long been considered to be standard within the industry. The decline in the steel manufacturing and coal industries in the UK has led to a massive shortage in supply of these pozzolanic fillers. Laboratory scale tests have been conducted in order to determine whether limestone filler could be a...

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