Mohd Tadza, Mohd Yuhyi ; Mazelan, Nurmazuria ; Yusri, Nur Farahana ; Abdullah, Amizatulhani
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.
tytuł dodatkowy: Prace z Inżynierii Lądowej i Środowiska
Zielona Góra: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
Civil and Environmental Engineering Reports (CEER), no 29, vol. 3
Biblioteka Uniwersytetu Zielonogórskiego
Dec 22, 2022
Dec 22, 2022
|Some geotechnical properties of pure and waste gypsum for geoelectrical grounding applications||Dec 22, 2022|
Mohd Tadza, Mohd Yuhyi Tengku Anuar, Tengku Hafidatul Husna Mat Yahaya, Fadzil Kuczyński, Tadeusz - red.
Medaoud, Saber Mokrani, Larbi Mezhoud, Samy Ziane, Sami Kuczyński, Tadeusz - red.
Naworyta, Wojciech Greinert, Andrzej - red.
James, Jijo James, Archana Kumar, Arun Gomathi, Elumalai Prasath, Karunakaran Kamal Kuczyński, Tadeusz - red.
Krykowski, Tomasz Kuczma, Mieczysław - red.
Gontaszewska-Piekarz, Agnieszka Kraiński, Andrzej Gontaszewska-Piekarz, Agnieszka - red.
Jurczak, Paweł - red.