Hydration process and compressive strength of cement pastes containing natural zeolite

Radeka, Miroslava; Milović, Tiana; Malešev, Mirjana; Радоњанин, Властимир; Laban, Mirjana

doi:10.5937/grmk1602029r

Cited by 3 publications

(1 citation statement)

References 9 publications

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“…It is necessary to consider that the hydration of the cement is perhaps the most important aspect because it will derive almost all the processes addressed in this article, besides being a determining factor in the cementing process of the mixture. Several researchers [84,93,94] concluded that the addition of zeolite to the cement paste greatly increases the early stage of hydration, and therefore, it is not recommended to exceed 40% of pozzolanic addition in the mixture. In this way, operational parameters that contribute to the development of a composite mix with the best features and operational performance can be established.…”

Section: Elaboration Methodsmentioning

confidence: 99%

Characterizations and Industrial Applications for Cement and Concrete Incorporated Natural Zeolite

Domínguez¹,

Abdellaoui²,

Abatal³

et al. 2018

Zeolites and Their Applications

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Zeolites have been widely used in various industries, leading to a high commercial value; this is mainly due to the wide diversity of naturally occurring species and the ability to synthesize new types. In the cement and concrete industry, natural zeolite is a popular natural pozzolanic material in some regions of the world owing to their economic, environmental, and technical advantages, among others, used pozzolanic materials. Many works have reported the use of natural zeolite as substituent material for cement in mortar and concrete. Generally, the use of natural zeolite can overcome environmental and economic problems associated with the use of high quantity of cement; furthermore, it is shown a strength enhancement and durability improvement properties of cement and concrete composites. In this context, this chapter strives to review the application of natural zeolite as pozzolan in cement and concrete composites, its characteristic, its proper incorporation, and each of the influencing parameters. In addition, the elaboration methods, textural and mechanical characterization, and applications of these composites will be treated.

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Section: Elaboration Methodsmentioning

confidence: 99%

Characterizations and Industrial Applications for Cement and Concrete Incorporated Natural Zeolite

Domínguez¹,

Abdellaoui²,

Abatal³

et al. 2018

Zeolites and Their Applications

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The Effects of Natural Zeolite as Fly Ash Alternative on Frost Resistance and Shrinkage of Blended Cement Mortars

et al. 2022

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As the cement industry is responsible for 7% of the global CO2 emissions, locally and abundantly available materials are vastly valorized, and their use is assuming a significant role in this domain. Over the last few decades, significant research in the development of supplementary cementitious materials (SCMs) derived from industrial wastes, such as fly ash (FA), has been conducted. However, facing environmental pressures, coal power plants are closing across the planet. Hence there is an urgent need to identify sustainable SCMs that can replace FA in the concrete industry. Furthermore, the usage of FA in cement-based composites does not often produce satisfactory results from the aspect of certain properties, such as freeze–thaw durability. Therefore, the application of natural zeolites (NZs) for these purposes has emerged as an area of interest in the civil engineering practice. This paper presents the results of experimental research regarding the influence of NZ, as a mineral admixture, on the basic physical and mechanical properties of cement mortars, with a focus on frost resistance and drying shrinkage. The amount of NZ was varied from 10 to 30% in relation to cement mass. The findings indicate that NZ positively influences the drying shrinkage reduction regardless of the replacement level, while the best results concerning frost resistance can be achieved in cement blends with 10% NZ.

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Basic fresh-state properties of extrusion-based 3D printed concrete

Bukvić¹,

Радоњанин²,

Malešev³

et al. 2020

Građ materijali i konstrukcije

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This paper aims at reviewing the basic properties of fresh-state extrusion-based three-dimensional (3D) printed concrete in order to explain the specific properties of this construction technology. The review was conducted using the bottom-up approach. The most recent literature in the field of extrusion-based concrete printing was used as a starting point, while additional papers were included through screening the references of relevant papers. Based on the inclusion criteria, review and experimental papers containing data on fresh-state 3D printed concrete properties were included, as well as materials used for 3D printing, since their properties directly affect the fresh-state properties of concrete mixture. Papers concerning data only on hardened properties were excluded. Reviewed properties are: technological properties (pump ability and flow ability) and printability properties(extrudability, print quality and buildability).

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Hydration process and compressive strength of cement pastes containing natural zeolite

Cited by 3 publications

References 9 publications

Characterizations and Industrial Applications for Cement and Concrete Incorporated Natural Zeolite

Characterizations and Industrial Applications for Cement and Concrete Incorporated Natural Zeolite

The Effects of Natural Zeolite as Fly Ash Alternative on Frost Resistance and Shrinkage of Blended Cement Mortars

Basic fresh-state properties of extrusion-based 3D printed concrete

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