Durability and compressive strength of blast furnace slag-based cement grout for special geotechnical applications
DOI:
https://doi.org/10.3989/mc.2014.04912Keywords:
Ground granulated blast-furnace slag, Cement grout, Special geotechnical applications, Durability, Compressive strengthAbstract
Special foundations, most prominently micropiles and soil anchors, are frequently used in construction today. In Spain, the grout for these special technical applications is generally prepared with portland cement, although the codes and standards in place stipulate only the minimum compressive strength required, with no mention of cement type. Those texts also establish a range of acceptable water:cement ratios. In the present study, durability and compressive strength in cement grout prepared with blast furnace slag cement at different w/c ratios are characterised and compared to the findings for a reference portland cement grout. The results show that slag grout exhibits greater durability than the portland cement material and complies with the compressive strength requirements laid down in the respective codes.
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