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IJEGE 16 - Volume 01

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IJEGE 16 - Volume 01
IJEGE 16 - Volume 01
In this work geopolymeric materials were synthesized in order to reach the best thermal characteristics allowing the use of them as flame retardant natural stone. The mechanical strength (notably after high temperature exposure) as well as the microstructure were investigated on hardened specimens of geopolymer manufactured at ambient temperature with metakaolin and a mixture of alkali hydroxide solution (MOH) and alkali silicate solution (M2SiO3) with M = K or Na. Geopolymers were subjected to thermogravim
IJEGE 16 - Volume 01
Variations in the Polar Jet Stream directly affect weather across Europe and North America (Francis et alii, 2012). Jet Stream dynamics are governed by the development of planetary Rossby waves (Dickinson, 1978) driven by variation of the Coriolis force with latitude. Here we show that increasing atmospheric tides can induce the development of Rossby waves, especially during winter months. This changes the flow and position of the Jet Stream, as measured by the Arctic Oscillation (AO) (Higgins, 2002). Altho
IJEGE 16 - Volume 01
Sea-level rise (SLR) is often associated with climate change and human action in modifying nature and the environment. The research presented in this paper concerns the effects and impacts of different SLR hypotheses in Italy, along the Rome coastal area, in the Ostia district. The study was carried out at the local level, using micro-spatial data, in the context of the European Union’s Seventh Framework Programme (FP7) project SECOA – Solutions for Environmental Contrasts in Coastal Areas; its aim is t
IJEGE 16 - Volume 01
The analysis of the local seismic response in the “Europarco Business Park”, a recently urbanized district of Rome (Italy) developed over the alluvial valley of the “Fosso di Vallerano” stream, is here presented. A high-resolution geological model, reconstructed over 250 borehole log-stratigraphies, shows a complex and heterogeneous setting of both the local Plio-Pleistocene substratum and the Holocene alluvia. The local seismo-stratigraphy is derived by a calibration process performed through 1D nu
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