Why do we use water reducers in concrete construction?
Water reducers can reduce the amount of water used in mixing concrete while maintaining the slump of concrete basically unchanged, and can effectively improve the plasticity of concrete. Water reducers are anionic surfactants. After being added to concrete mixtures, they have a dispersing effect on cement particles, which can improve its workability, improve the fluidity of concrete mixtures, and reduce the amount of cement and save cement. For concrete projects with quality requirements, this admixture is indispensable.
What are the main functions of water reducers?
1. Water reducers can reduce the amount of materials without changing the proportion of the main raw materials. For example, mixing 0.2% to 0.5% of water reducers can save 15% to 30% of cement. At the same time, it can effectively improve the rheology and plasticity of concrete, and allow concrete to have a variety of construction methods, such as saving construction time through various construction methods such as pumping and self-flowing.
2. After adding water reducers to concrete, its service life can be effectively increased, and it is at least more than double the original. In addition, it can reduce the shrinkage rate of concrete during solidification, prevent cracking in the later stage, and improve cold resistance, which is very beneficial for winter construction.
Water reducer is an admixture added to concrete mixture. Its main function is to reduce the amount of mixing water while maintaining the slump of concrete. Most of these substances are anionic surfactants, such as lignin sulfonate, naphthalene sulfonate formaldehyde polymer, etc. Water reducer improves the fluidity and workability of concrete mixture by dispersing cement particles. It can also reduce the amount of cement and save raw materials.
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