Effect of gypsum content in cement on its adaptability to alkali …

The setting times and early strength of shotcrete are greatly affected by the gypsum content of the cement used. In this work, the setting times, compressive strength and …

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Effect of gypsum on properties and internal structure of PC paste

Gypsum somewhat accelerated the rate of hydration of PC when added below the optimum SO 3 content, but produced significant retardation when the addition exceeded the …

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Effect of gypsum content in cement on its adaptability to …

In summary, gypsum in cement plays a crucial role in the for-mation of AFt. – significantly inhibit cement hydration and temperatures of 50°C or higher promote cement …

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Effect of gypsum and cement content on unconfined compressive strength

This study investigates the impact of gypsum and Portland cement as binding agents on the stabilization of soft sediment. Eight combinations of gypsum and Portland …

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Effect of gypsum type on the hydration of lithium slag based

SSC mortars and their corresponding pastes were prepared to evaluate the effect of gypsum type on the hydration of LS. The mix proportions of specimens and the description …

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Effect of gypsum content on the compressive strength of LC3 cement

This research intends to investigate the influence of the gypsum content on the compressive strength of a LC3 cement at 1, 3, 7, 28 and 91 days, considering that the effects …

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The effect of gypsum on the hydration of alite–belite–ferrite phase

The alite–belite–ferrite phase system is different from the Portland cement system; the main difference is that the former has no tricalcium aluminate (3CaO·Al 2 O 3, C 3 A). …

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What are the Roles of Gypsum in Cement Production

The effects of gypsum on cement are analyzed from the following two aspects: flash setting and false setting. The functions of gypsum in cement The main chemical ... and tricalcium silicate (C 3 S) will also have a significant hydration …

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Optimization of mechanical performance of limestone calcined …

Halloysite is a clay mineral that has a nanosized tubular morphology and high pozzolanic activity, and its calcination product can be used as a supplementary cementitious …

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A quantitative study of the C3A hydration

The effect of fineness, gypsum content and water – cement (w/c) ratio on the hydration of C 3 A systems have been quantitatively investigated using a combination of …

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Effects of Gypsum on Cementitious Systems with Different Mineral

Gypsum has a great influence on water consumption of standard consistence and strength simultaneously. In this article three cementitious systems are prepared by three main mixed …

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Optimization of the SO3 content of an Algerian Portland cement: …

The gypsum content in cement is expressed in ... The effect of gypsum content on compressive strengths of normalized mortar specimens (4 * 4 * 16 cm) is shown in Fig. 6. As …

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Effect of gypsum content in cement on its adaptability to alkali …

The results showed that an increase in the gypsum content of the cement promoted the formation of ettringite (AFt) and decreased the setting times of the cement pastes at 0°C, …

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(PDF) Effect of Gypsum Amount in Cement on Fresh …

It is shown that increased gypsum content results in a significant decrease in the slump of concrete and that there is an optimum gypsum content, considerably higher for...

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Optimization of the SO3 content of an Algerian Portland cement: …

Portland cement CEM I is obtained from (95–97%) of clinker and (3–5%) of gypsum, according to EN 197-1 (2011) standard. Sulfur trioxide SO 3 is the main component of …

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Effect of Gypsum Content on the Compressive Strength of LC3 …

The ideal gypsum content, leading to the larger mechanical strength results, appears to be 7% for the LC 3 cement, although all it are adequate and in some cases even …

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Why Gypsum Is Added In Cement To Enhance Strength, …

Discover the crucial role of gypsum in cement production in this insightful article. Learn how adding just 3-5% gypsum can enhance strength, workability, and setting time, preventing flash …

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Effect of gypsum on hydration properties, composition and …

The effect of water and gypsum content on strätlingite formation in calcium sulfoaluminate-belite cement pastes Constr. Build. Mater., 166 ( 2018 ), pp. 712 - 722, …

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Effects of different gypsum varieties on the hydration and …

The property of the gypsum and its possible effect on the cement were the key considerations when choosing the quantities of gypsum. ... In order to observe the changes of …

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Effect of Na2SO4 and Na2CO3 on early performance of non-gypsum…

The effect of CA content on non-gypsum cement and low-gypsum cement. In non-gypsum cements, the rapid dissolution of C 3 A triggers the formation of C 3 AH 6 hydrogel …

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Effects of Cement Treatment on the Behavior of Unsaturated …

Also, the effectiveness of cement reflects on gypseous soils based on gypsum content by observation, the results of moderate gypsum content had less effect compared with …

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Effect of Na2SO4 and Na2CO3 on early performance of non-gypsum…

Both the initial and final setting times increased with the gypsum content. This can be attributed to the reduced hydration heat release resulting from the decrease in cement …

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Effect of Gypsum Content on the Compressive Strength of LC3

CL—Clinker content, AR—calcined clay content, GP—gypsum content, FA—limestone content Table 5 Dosage of superplasticizer additive and scattering obtained Mortar Spreading (mm) …

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(PDF) Effect of gypsum and cement content on unconfined …

Considering Portland cement to be $90/ton and gypsum to be $30/ton (Kimball and Jewell 2016), a one cubic meter of mixture with the density of 1.4 (gr/cm3) with 8% Portland cement (112 kg, …

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Role of Gypsum in Cement and its Effects – …

Gypsum prevents Flash Setting of cement during manufacturing. It retards the setting time of cement. Allows a longer working time for mixing, transporting and placing.

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Effects of Gypsum on Cementitious Systems with …

Gypsum is an indispensable component of ordinary Portland cement. The main function of gypsum is to regulate the setting time of cement. Gypsum has a great influence on water consumption of standard consistence and strength …

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Effect of gypsum content in cement on its adaptability to …

thermogravimetric analysis and scanning electron microscopy) were used to determine the effects of changes in gypsum content on the hydration and mechanical properties of cement mixed …

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Effect of gypsum on low-heat Portland cement early mechanical

Alkanolamines are commonly used complexing agents in the cement industry. Due to its surface activation effect on cement clinker particles, it is commonly used as cement …

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A Comprehensive Guide on the Uses of Gypsum in …

Uses of Gypsum in Cement. Gypsum acts as a binding agent in the cement and. controls various factors in it. It is also used in the walls where fire protection is required since it .has a natural fire-resistance property. Let's look …

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The effect of aggregates with high gypsum content on the …

There is an increasing demand to ultra-high strength cement-based materials in the Middle East despite finding fine aggregates with a normal SO 3 level is a major challenge. This …

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Advances in Cement Research | Vol 36, Issue 9, 7 February 2024

Effect of gypsum content in cement on its adaptability to alkali-free accelerator at different temperatures. Qin Wang, Zhixiang Guo, Fanchao Zeng, Hongwei Wang, Huaixia Qin. Pages …

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Effect of Gypsum Content in Cement on Autogenous Shrinkage …

Title: Effect of Gypsum Content in Cement on Autogenous Shrinkage of Portland Blast-Furnace Slag Cement Concrete Author(s): H. Tsuruta, H. Matsushita, K. Harada, and T. …

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