Third generation plasticizer for Self-Consolidating Concrete Morocco

  • Third generation plasticizer for Self-Consolidating Concrete Morocco
  • Third generation plasticizer for Self-Consolidating Concrete Morocco
  • Third generation plasticizer for Self-Consolidating Concrete Morocco
  • What are PCE-based superplasticizers?
  • The development of superplasticizers is one of the most important breakthroughs that have led to the production of high-performance concrete. PCE-based superplasticizers are the latest generations of superplasticizers, the addition of which to cement paste provides self-compacting concrete with a very low W/C ratio.
  • 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.
  • Can you make powder concrete with a superplasticizer?
  • However, when a superplasticizer is added, it is possible to make concretes with a water/cement ratio lower than 0.30 having a slump greater than 200 mm. It is even possible to make fluid reactive powder concretes having a water/cement ratio lower than 0.20 in the presence of superplasticizers [24, 60].
  • 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.
  • What is a superplasticizer in concrete?
  • Concrete, a fundamental material in construction, has evolved significantly with advancements in chemical admixtures. Among these, superplasticizers have emerged as crucial components, enhancing the performance and workability of concrete mixes.
  • What superplasticizers are used in blended cement?
  • Ng and Justnes investigated the dispersing effectiveness of five different superplasticizers: LS, SNF, and three PCEs in blended cements (see Table 5). In Table 5, the three PCEs are indicated as SX, SRN (methacrylate-based polycarboxylates), and NRG.

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