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Rheological properties of alkaline activated fly ash used in jet grouting appli...
Cristelo, Nuno; Soares, Edgar; Rosa, Ivo; Miranda, Tiago F. S.; Oliveira, Daniel V.; Silva, Rui André Martins da; Chaves, Ana Margarida Vaz AlvesThe application of alkaline activated fly ash to soil stabilisation has been recently studied, and although the structural behaviour was adequate, some concerns were raised regarding its apparent viscosity, which proved to be an important issue in jet grouting applications. Therefore, this paper deals with the experimental study of rheology of alkaline activated fly ash-based grouts, namely with: setting time o...
Rammed earth construction with granitic residual soils : the case study of nort...
Silva, Rui André Martins da; Oliveira, Daniel V.; Miranda, Tiago F. S.; Cristelo, Nuno; Escobar, Maria C.; Soares, EdgarBuilding in unstabilised rammed earth results in low environmental impact. However, northern Portugal has not historical tradition with this technique, and thus the suitability of the local granitic residual soils is unknown. This paper presents an experimental investigation, where this possibility is assessed. The results showed that these soils are unsuitable, and that rammed earth construction is only feasib...
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