technique of concrete admixtures

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  Microbial self-healing in concrete: A comprehensive …

  202431 · Furthermore, it explores the implementation techniques of using bacteria in concrete aimed at mitigating the adverse effects of the concrete environment on bacteria, thereby enhancing their self-healing capabilities.

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  An efficient machine learning approach for predicting concrete …

  2023912 · In addition, the utilization of machine learning techniques that can effectively forecast the chloride migration coefficient of concrete shows potential as a financially viable and less complex ...

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  Environmental Assessment of Admixtures and Stone Powder in Cement ...

  2023113 · Concrete, being a versatile building material, is employed in a wide range of applications. Under normal circumstances, it performs satisfactorily but deteriorates under extreme situations. To attain the desired characteristics during construction, admixtures are...

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  Effect of Admixtures on the Performance of Anti-washout Concrete

  2022524 · It involves the use of a variety of techniques and equipment. Anti-washout concrete was introduced more than two decades ago to allow casting concrete underwater. This paper aims at investigating the effects of various mineral and chemical admixtures on the properties of underwater concrete. Performance-enhancing admixtures are used …

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  What are Admixtures & Different Types of …

  2023815 · Abstract The feasibility of using fly ash, blast furnace slag, silica fume, and CaCO 3 -TiO 2 composite and seashell powders as mineral admixtures in fair-faced concrete is investigated. A series of mix proportions were designed based on an orthogonal method. The effects of different mineral admixtures on the strength, durability and …

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  Natural Admixture As An Alternative for Chemical Admixture in Concrete ...

  2020128 · The u se of chemical admixtu res in concret e is a common practice in modern construction. Although. chemical admixtures improve the properties of concrete but a lso create leaching problem and ...

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  Air entraining admixtures: Mechanisms, evaluations, and interactions

  2021121 · Air entraining admixtures (AEAs) are complex surfactant mixtures that are utilized to improve the frost durability of concrete. The AEA adsorb onto the cement particles to enhance particle surface activity and promote particle adsorption at the bubble air/water interface (Section 3). The resulting air bubble shell stabilizes the air bubbles ...

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  Autogenous shrinkage of high performance concrete …

  2014630 · Abstract The present study investigated experimentally autogenous shrinkage behaviors of high performance concrete (HPC) containing fly ash (FA) and blast-furnace slag (BS) exposed to different isothermal temperatures. The deformation of concrete specimen after initial setting was determined using a modified method which is based on …

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