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Many People Wonder About the Curious Practice of Adding Sugar to Concrete; This Method, Although It Seems Strange, Has Specific Applications and Advantages in Certain Situations in Construction

Written by Bruno Teles
Published on 19/06/2024 at 15:54
Muitas pessoas se perguntam sobre a prática curiosa de adicionar açúcar ao concreto; esse método, apesar de parecer estranho, tem aplicações específicas e vantagens em certas situações na construção civil
Adicionar açúcar ao concreto pode parecer estranho à primeira vista, mas essa técnica é utilizada em algumas situações específicas. O açúcar atua como um agente redutor de água, controlando a quantidade de água na mistura e reduzindo a porosidade do concreto. Isso pode torná-lo mais resistente a danos causados pelo congelamento e descongelamento, especialmente em climas frios. Imagem: CANVA/Divulgação
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Adding Sugar To Concrete May Seem Strange At First Glance, But This Technique Is Used In Some Specific Situations. Sugar Serves As A Water-Reducing Agent, Controlling The Amount Of Water In The Mixture And Reducing The Porosity Of The Concrete. This Can Make It More Resistant To Damage Caused By Freezing And Thawing, Especially In Cold Climates.

The Main Advantage Of Adding Sugar To Concrete Is To Delay The Setting Time, Which Is Useful In Hot Climates Where High Temperatures Can Accelerate The Drying Process. In Cold Climates, The Reduction Of The Porosity Of The Concrete Helps To Avoid Structural Damage Caused By The Freezing And Thawing Of Water.

In Hot Climates, Sugar Helps To Control The Temperature During The Hydration Process, Preventing Overheating And Possible Cracking. This Temperature Control Is Crucial To Ensure The Durability And Strength Of The Concrete.

A Study Published In Science Direct Analyzed The Effect Of Sugar Dose On Curing Time, Microstructure And Strength Of Portland Cements

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The Study Showed That Adding Sugar Up To 0.05% Can Delay The Curing Time Of The Concrete, But Additions Greater Than 0.1% May Decrease The Initial And Final Strength Of The Concrete.

Despite Some Advantages, The Use Of Sugar In Concrete Should Be Done With Caution. Adding More Than 0.05% Sugar Can Reduce The Final Strength Of The Project, Making It Less Durable And More Susceptible To Damage.

To Delay The Setting Time Safely And Effectively, It Is Best To Use Specific Setting-Retarding Additives Available In The Construction Market

Adding Sugar To Concrete Can Be A Useful Technique In Certain Circumstances, But It Should Be Done With Care To Avoid Issues With Strength And Durability.

Instead Of Using Sugar, Considering Specialized Additives Is A Safer And More Effective Alternative To Ensure The Quality Of The Concrete. If You Use Sugar, Make Sure Not To Exceed 0.05% Of The Total Mixture.

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Bruno Teles

I cover technology, innovation, oil and gas, and provide daily updates on opportunities in the Brazilian market. I have published over 7,000 articles on the websites CPG, Naval Porto Estaleiro, Mineração Brasil, and Obras Construção Civil. For topic suggestions, please contact me at brunotelesredator@gmail.com.

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