Study on Microstructure and Rheological Properties of Cement-Chemical Admixtures-Water Dispersion System at Early Stage

Springer
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9789811045691
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This thesis studies the effects of superplasticizers, polyacrylate latexes and asphalt emulsions, which differ in molecular/particle size from nanometers to microns, on the rheological properties of fresh cement pastes (FCPs), as well as the action mechanisms involved. It systematically investigates the rheological properties and microstructure of cement-based materials, and elucidates the adsorption behaviors of polycarboxylate polymers with different functional groups and their effects on cement hydration. Moreover, it reveals how the working mechanism of naphthalene sulfonate formaldehyde (NSF) differs from that of polycarboxylate ether-based (PCE) superplasticizers. Lastly, it develops a conceptual microstructure model and two rheological equations. These findings lend theoretical support to the development of new chemical admixtures and new, higher-performance, cement-based composites.


  • | Author: Yanrong Zhang
  • | Publisher: Springer
  • | Publication Date: Aug 04, 2017
  • | Number of Pages: 258 pages
  • | Language: English
  • | Binding: Hardcover
  • | ISBN-10: 9811045690
  • | ISBN-13: 9789811045691
Author:
Yanrong Zhang
Publisher:
Springer
Publication Date:
Aug 04, 2017
Number of pages:
258 pages
Language:
English
Binding:
Hardcover
ISBN-10:
9811045690
ISBN-13:
9789811045691