Krivenko, P. V.; Roy, D. M.; Shi, Caijun's Alkali-activated cements and concretes PDF

By Krivenko, P. V.; Roy, D. M.; Shi, Caijun

ISBN-10: 0203390679

ISBN-13: 9780203390672

Show description

Read or Download Alkali-activated cements and concretes PDF

Similar polymers & textiles books

Comprehensive Analytical Chemistry, Molecular - download pdf or read online

Written through specialist members from the tutorial and business sectors, this booklet provides conventional and sleek methods to polymer characterization and research. The emphasis is on pragmatics, challenge fixing and estate choice; real-world purposes supply a context for key strategies.

Scattering from Polymers. Characterization by X-rays, - download pdf or read online

Content material: advent to scattering from polymers / Peggy Cebe -- features of small-angle diffraction information from semicrystalline polymers and their research in elliptical coordinates / N. S. Murthy, D. T. Grubb, and ok. 0 -- research of SAXS fiber styles via projections / N. Stribeck -- learning polymer interfaces utilizing neutron mirrored image / D.

Get Developments in Thermoplastic Elastomers PDF

Thermoplastic elastomers (TPEs) have the elastic behaviour of rubber and the processability of thermoplastics. The chemistry, houses and processing of those fabrics are mentioned during this evaluate. expert grades are being brought for particular functions and with exact homes, resembling softness or processability.

V.L. Shulman's Tyre Recycling PDF

This can be a professional evaluation regarding tyre recycling. It summarises present practices and the criteria that experience contributed to their progress and efficacy as conceivable, economically and environmentally sound tools of facing post-consumer tyres. There are round 1 billion tyres produced every year around the globe.

Extra info for Alkali-activated cements and concretes

Sample text

However, the replacement of 5–15% SiO2 in the glass composition with TiO2 decreases strength. The decrease in strength is dependent upon the alkaline activator used. For example, with a 15% replacement of SiO2 with TiO2 in the synthetic slag, the strength of the cement is only 75% of the reference (Ti-free synthetic slag), when soda is used as an alkaline activator, 81% when sodium hydroxide is used, and 86% when sodium metasilicate is used. However, the effect of TiO2 on the strength of alkaliactivated-slag cements is much less than that on portland slag cement or lime-slag-gypsum cements.

The further increase of S2− content did not show any difference. This may be because S2− causes disorder of the network. Ti exists in six-coordination when TiO2 content is less than 4% and in four-coordination when TiO2 content is higher than 4% (Smolczyk 1980). Thus, Ti does not have a significant effect on hydraulic reactivity of the slag when TiO2 content is less than 4%. The Chinese national standard GB203 (1992) limits the TiO2 content to less than 10%. The selectivity of activator is actually an indication of compatibility between chemical composition of the slag and activator(s) (Shi and Day 1996c).

5% S2− ), had a favourable effect on the hydraulic activity of blast furnace slag (Shkolnick 1986). The further increase of S2− content did not show any difference. This may be because S2− causes disorder of the network. Ti exists in six-coordination when TiO2 content is less than 4% and in four-coordination when TiO2 content is higher than 4% (Smolczyk 1980). Thus, Ti does not have a significant effect on hydraulic reactivity of the slag when TiO2 content is less than 4%. The Chinese national standard GB203 (1992) limits the TiO2 content to less than 10%.

Download PDF sample

Alkali-activated cements and concretes by Krivenko, P. V.; Roy, D. M.; Shi, Caijun


by Charles
4.1

Rated 4.21 of 5 – based on 25 votes