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Wyświetlanie 1-1 z 1
Tytuł:
Some geotechnical properties of pure and waste gypsum for geoelectrical grounding applications
Autorzy:
Mohd Tadza, Mohd Yuhyi
Mazelan, Nurmazuria
Yusri, Nur Farahana
Abdullah, Amizatulhani
Powiązania:
https://bibliotekanauki.pl/articles/396106.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
gypsum
waste gypsum
geotechnical properties
geoelectrical grounding applications
plasticity
gips
gips odpadowy
właściwości geotechniczne
uziemienie
plastyczność
Opis:
Natural occurring gypsum is a soft mineral consists of hydrated calcium sulphate, mainly used in cement industry. On the other hand, red gypsum (RG) is a waste generated from a sulphate process of ilmenite ore to acquire titanium dioxide. Due to the gypsum content in both materials are similar, it is expected that both gypsum type can be used for similar engineering applications. In this study, RG was tested and compared to pure gypsum for geoelectrical grounding applications. The geotechnical properties and plasticity characteristics were carefully measured and tested. In addition, X-ray fluorescence (XRF) was employed to study the chemical constituents of the materials. Test results showed that, the geotechnical properties of RG is different to that of white gypsum. The plasticity index (PI) of RG was 239.6% greater due to the presence of Fe ions. Surprisingly, the electrical resistivity of both material were found to be similar. It was also noted that, although the plasticity of pure gypsum is high, the plasticity of pure gypsum was found to be short lived primarily due to instantaneous exothermic reaction between water and semihydrated gypsum. The change in the plasticity also affected the resistivity as gypsum hardened after short duration. Based on the geotechnical and plasticity characteristics determined, RG was found to be a better as grounding material as compared to gypsum.
Źródło:
Civil and Environmental Engineering Reports; 2019, 29, 3; 97-106
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-1 z 1

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