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- W3141518545 abstract "The standard mix ratio of lime: pozzolana specified by all standards is 1:2 by weight to produce lime pozzolan cement (LPC) with the minimum required strength of 4 MPa. This ratio may be affected by many factors such as the quality of lime and pozzolana, in adition to the quantity of amorphous silica in pozzolana. In this paper a local kaolin and lime were investigated for their chemical, physical, mineralogical, and thermal properties, using various techniques such as XRF, DTG/DSC, and XRD. The produced metakaolin (MK) and hydrated lime (CH) were first tested for their reactivity, then different ratios of 1:2, 1:3, and 1:4 (lime: metakaolin) were tested to determine the optimum mix ratio of (LPC). The chemical, physical, and mineralogical analysis of samples showed their congruent with standard specifications adopted. The chemical analysis results showed that the local kaolin has composition with a SiO2+Al2O3+Fe2O3 content of 79.96%. The reactivity of MK toward CH is found to be within the limitation of standards. The mortar samples, made with a binder of ground MK and CH, developed a 28 days compressive strengths of 4.9, 14, and 16 MPa, for 1:2, 1:3, and 1:4 (CH: MK ) respectively. These findings suggest that LPC can be produced with high compressive strength if an optimum lime to pozzolana ratio is achieved." @default.
- W3141518545 created "2021-04-13" @default.
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- W3141518545 date "2021-02-22" @default.
- W3141518545 modified "2023-10-01" @default.
- W3141518545 title "Lime –Metakaolin Interaction" @default.
- W3141518545 doi "https://doi.org/10.52981/fjes.v9i2.672" @default.
- W3141518545 hasPublicationYear "2021" @default.
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