Rio de Janeiro, Brazil -- Vale today announced that it has completed a pre-feasibility study for its proposed nickel sulfate project in Quebec, Canada, a major milestone in the development of the project. This strategic move demonstrates vale's focus on delivering low carbon and high purity nickel concrete superplasticizer are still very uncertain.
Concrete superplasticizer is one of the concrete admixtures which is used most frequently. It can increase the plasticity of concrete and change the strength of concrete.
The essence of superplasticizer: increase the fluidity of concrete
We know, concrete water can provide plasticity for concrete, at this time to add superplasticizer, can make concrete fluidity increase, namely plasticity increase.
But it needs to be clear that if there is no water in the concrete, even if you add more superplasticizer, no matter how to mix, the surface of concrete raw materials cannot be wet, so the friction between particles will still be very high, concrete is a pan of sand, completely do not have plasticity.
On this basis, it can be considered that, in essence, a sufficient amount of water can wet the surface of concrete raw material, and reduce the friction between particles, thus providing plastic properties for concrete; After adding superplasticizer, you can amplify the effect of water, in this sense, adding superplasticizer is equivalent to adding water.
Principle of superplasticizer changing concrete strength
Superplasticizer can amplify the action of concrete water, so as to replace part of concrete water, and play the role of water reduction.
As we know, the strength of concrete is affected by the water-binder ratio, the greater the water-binder ratio, the lower the strength, the smaller the water-binder ratio, the higher the strength. If we add superplasticizer in concrete, reduce water consumption at the same time, keep the fluidity unchanged, in the case of the same amount of cementitious material, the water-binder ratio will decrease, so improve the strength of concrete; If the water is reduced, the amount of cementitious material is reduced at the same time, and the water-binder ratio and fluidity remain unchanged, the cementitious material can be saved.
Concrete superplasticizer is used in this way to change the mix ratio of concrete then to improve concrete strength or save gelling material thereby.
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The U.S. Department of Energy has launched a $3.16 billion program to improve the supply chain for electric vehicle batteries.
The U.S. Department of Energy recently announced on its website that it will receive $3.16 billion from the bipartisan infrastructure bill to develop domestic electric vehicle battery manufacturing in the United States. $3.1 billion will be invested in new, retrofitted, and expanded facilities related to electric vehicle batteries, and $60 million will be spent on recycling and reuse of used batteries.
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and Nanomaterials including graphite powder, 3D printing powder, the concrete superplasticizer , etc. If you are looking for high-quality materials, please feel free to contact us and send an inquiry.
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