The Effect of Various Superplasticizers on Ultra High
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2.1 Chemical Structures of PCE and the Effect on Concrete Rheology. The effect of different types of superplasticizer on fresh, rheological and strength properties of self
Superplasticizers contribute to the production of durable and high-strength concrete, ensuring the longevity and safety of these critical infrastructures. For instance, in the construction of long-span bridges, the use
Superplasticizers for Concrete: Fundamentals, Technology,
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Oct 1, 2003English: Peer reviewed: No: NRC number: NRCC 39819 NRC-IRC-15903: NPARC number: 20326369: Export citation: Export as RIS: Report a correction: Report a correction
With the rapid development of the construction industry worldwide, a large amount of waste concrete is generated each year, which has caused serious environmental problems.
Superplasticizers in practice ScienceDirect
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The effect of naphthalene- and melamine-based superplasticizers on the air entrainment in high-performance concrete has been extensively studied. nature, or purity)
The advancement of superplasticizers is considered a significant innovation in the construction sector, which has facilitated the creation of high-quality concrete. The
Superplasticizers ScienceDirect
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Jan 1, 1996The admixtures belonging to this class are variously known as superplasticizers,” “superfluidizers,” “superfluidifiers,” “super water reducers,” or “high range water reducers.” The
If the polymer dosage is far below this critical amount, a short slump life of the concrete may result. If the dosage is high enough to reach almost full surface coverage, a
Compatibility matrix of superplasticizers in Ultra-High
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The research work aims at outbreaking the fundamentals by distinguishing the varying superplasticizers by its workability, strength, and behavior on Ultra-High-Performance
Kong 2009) found that due to various chemical and mineral admixtures used in high strength concrete and high-performance concrete, the rheology of traditional cementitious materials
- How do superplasticizers work on ultra-high-performance concrete (UHPC)?
- Volume 8, article number 260, (2023) The research work aims at outbreaking the fundamentals by distinguishing the varying superplasticizers by its workability, strength, and behavior on Ultra-High-Performance Concrete (UHPC). The UHPC works under a low water-binder ratio where the workability is maintained through the addition of superplasticizers.
- Can superplasticizers be used in high-performance concrete?
- The utilization of superplasticizers in the production of concrete offers several benefits such as improved workability, reduced water content, and increased strength. Nevertheless, the addition of superplasticizers in high-performance concrete may present challenges due to various factors.
- Can superplasticizers be used as an additive in construction?
- The utilization of superplasticizers as an additive in construction has gained significant popularity owing to their capacity to enhance the workability and strength of concrete.
- Can superplasticizers improve cement flowability?
- Adding superplasticizers to cement provides remarkable improvement in cement and concrete flowability. Such improvement in flowability is, however, not compromised by a reduction in the compressive strength (which is a function of the water-to-cement ratio) of the resultant concrete.
- Are superplasticizers essential components of modern concrete?
- Conclusions Superplasticizers are essential components of modern concrete, allowing the production of highly durable structures with reduced environmental impact. Their working mechanisms rely on their molecular structures and physical–chemical interactions taking place between them and the surface of cement particles.
- Which superplasticizers are used in concrete slurry?
- The superplasticizers modified using acrylic acid, methyl allyl polyoxyethylene ether, and four distinct cross-linkers contain ester groups. The research findings indicate that the cross-linked superplasticizers exhibited favorable properties in terms of dispersibility and slump performance when used in concrete slurry.
