000 01980nam a2200133 4500
008 250822b |||||||| |||| 00| 0 eng d
100 _aAmit Kumar Jangid
245 _aMineralogical Analysis of Copper Slag Treated Expansive Soil Using X-Ray Diffraction
300 _ap143–153
520 _aSoil having a nature of volume change due to moisture content is called expansive problematic soil (EPS). The present investigation performs the mineralogical analysis for copper slag (CS) treated EPS without and with lime using X-ray diffraction (XRD) test results. For this purpose, the soil specimen was collected from Talab, Nainwa, Bundi, Rajasthan. The CS was added to soil specimens from 0–30% at 5% variations, and a significant improvement in maximum dry density, California bearing ratio, and unconfined compressive strength of EPS was obtained by adding 25% CS. Moreover, the 25%CS mixed specimen (CSS5) was cured for 7, 14, and 28 days, and found that the UCS of the CSS5 specimen was increased by 109.28% (wrt UCS of soil) at 28 days of curing because of Hedenbergite (H), Clinopyroxene Aluminous (CA), and Calcium Copper Aluminum (CCA) minerals. It has also been observed that no pozzolanic minerals were formed. Therefore, 0.5% free lime was added to the CSS5 specimen and cured for 7, 14, and 28 days. Interestingly, the UCS of CSS5 was increased by 144.8% (from soil UCS), 61.4% (from CSS5, no curing), and 17.0% (from CSS5 at 28 days curing, no lime). The pozzolanic minerals, such as Daphnite, Gismondine, Wollastonite, Tobermorite, Parawollastonite, and Sodium Aluminum Silicate Hydrate, were formed at 28 days of curing by adding 0.5% free lime.
654 _aMineralogy
_aMineral Trioxide Aggregate
_aSoil Chemistry
_aSoil Physics
_aSoil Science
_aGeotechnical Engineering and Applied Earth Sciences
773 0 _080299
_9113444
_dGermany Springer Nature India Private limited
_tJournal of the Institution of engineers (India): series A
_x2250-2149
942 _cJA
999 _c132550
_d132550