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

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Study on Microstructure and Rheological Properties of Cement-Chemical Admixtures-Water Dispersion System at Early Stage/ by Yanrong Zhang.
Author:	Zhang, Yanrong.
Description:	XVIII, 258 p. 143 illus., 110 illus. in color.online resource. :
Contained By:	Springer Nature eBook
Subject:	Mechanics. -
Online resource:	https://doi.org/10.1007/978-981-10-4570-7
ISBN:	9789811045707

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

Study on Microstructure and Rheological Properties of Cement-Chemical Admixtures-Water Dispersion System at Early Stage[electronic resource] /by Yanrong Zhang. - 1st ed. 2018. - XVIII, 258 p. 143 illus., 110 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

Introduction -- Methodology.- Rheological properties of fresh cement pastes -- Mesostructure of fresh cement pastes -- Mechanism of chemical admixtures: Adsorption, Hydration and Rheology.- Microstructure model and rheological model of fresh cement pastes.- Pore structure and impermeability of hardened cement pastes.- Conclusions of the research.

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.

ISBN: 9789811045707

Standard No.: 10.1007/978-981-10-4570-7doiSubjects--Topical Terms:

527684
Mechanics.

LC Class. No.: TA349-359

Dewey Class. No.: 531

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