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

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

Show description

Read or Download Alkali-activated cements and concretes PDF

Similar polymers & textiles books

Olefin Metathesis and Metathesis Polymerization, Second Edition

This booklet is a follow-up to Ivins Olefin Metathesis, (Academic Press, 1983). Bringing the normal textual content within the box brand new, this moment variation is as a result of swift progress within the box, sparked by way of the invention of diverse well-defined steel carbene complexes that could act as very effective initiators of every kind of olefin metathesis response, together with ring-closing metathesis of acyclic dienes, enynes, and dienynes; ring-opening metathesis polymerizationof cycloalkenes, acyclic diene metathesis polymerization; and polymerization of alkynes, in addition to uncomplicated olefin metathesis.

Polybenzoxazines : Chemistry and Properties

Polybenzoxazine is a unique classification of thermosetting fabric that belongs to the relatives of addition-curable phenolic resins. it's a promising hot temperature polymer in view of its remarkable thermal, actual, and mechanical homes which are worthwhile for his or her software in aerospace and microelectronics industries.

Polymers and Electromagnetic Radiation: Fundamentals and Practical Applications

The 1st a part of the e-book bargains with the interplay of polymers with non-ionizing radiation within the frequency-range from sub-terahertz over infrared radiation to obvious and ultraviolet mild, whereas the second one half covers the interplay with ionizing radiation from the intense ultraviolet to X-ray photons.

Extra info for Alkali-activated cements and concretes

Example text

Impurities, melting temperature, autoclaving temperature, autoclaving time and storage time also affect the distribution of silicate species. 5), or it decreases the mean condensation degree of the anions. In a very diluted solution with extremely low modulus, it is composed primarily of monosilicate anion. A slow freezing and thawing process may change the composition of silicate anions. Particularly, a partially frozen or thawed solution may have different modulus and concentration from those of the whole system.

Unlike the basic oxygen process, the EAF does not use hot metal, but uses “cold” steel scraps, which would otherwise be unsightly and environmentally damaging. It can be charged with limited amounts of iron scrap, pig iron and direct reduced iron. 6b. The three graphite electrodes that heat the furnace pass through the lid. An electric current is passed through the electrodes to form an arc. The heat generated by this arc melts the scrap. During the melting process, other metals (ferro-alloys) are added to the steel to give it the required chemical composition.

6 MPa) jets at the furnace as it leaves the spout. To prevent pollution of the atmosphere by H2 S and SO2 , water is sprayed from special nozzles onto those parts where vapour and fumes are produced, and the system is totally enclosed with a venting stack. One tonne of slag consumes about three cubic meters of water. The water for granulation of the slag can be recirculated and the necessary pressure can be generated by a pump. Granulated slag contains about 30% water. A pelletizer was developed in Canada and now is being widely used (Margesson and Englang 1971).

Download PDF sample

Rated 4.50 of 5 – based on 28 votes

Published by admin