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Factors affecting the reactivity of slag | Cement Science - Know More
7 Jun 2012 , Like most of other cement materials, the reactivity of slag is , little effect on strength development, but high content have an adverse effect...
durability of portland blast-furnace slag cement , - TRID Database - Know More
However, a cautionary warning of the importance of good early curing is made to ensure that the adverse effects of higher rates of carbonation, surface scaling....
Preventing Skin Problems from Working with Portland Cement - OSHA - Know More
Wet portland cement can damage the skin because it is caustic, abrasive, and , trace amounts of hexavalent chromium [Cr(VI)], a toxin harmful to the skin , of Cr(VI), which can lead to severe inflammatory reactions upon subsequent exposur , Using slag, which is free of Cr(VI), in place of or blended with clinker, the....
Effect of 30% Ground Granulated Blast Furnace, Lead and Zinc , - Know More
1 Sep 2012 , This paper investigates the effects of using Ground Granulated Blast Furnace , whereas the use of zinc slag has a negative effect on concrete...
Effect of Silica Fume and Slag on Compressive Strength and , - Know More
7 Mar 2014 , Effect of Silica Fume and Slag on Compressive Strength and Abrasion , The results indicated higher abrasion resistance of HVFA concrete....
Cement Science and Concrete Technology - J-Stage - Know More
EFFECTS OF PHOSPHORUS OXIDE IN CLINKER AND CEMENT ON THE PROPERTIES , C-S-H COMPOSITION OF SLAG PASTE ACTIVATED BY Na2CO3...
Environmental impact of concrete - Wikipedia - Know More
The environmental impact of concrete, its manufacture and applications, is complex Some effects are harmful; others welcome , Fly ash and bottom ash come from thermoelectric power plants, while slag is a waste from blast furnaces in the....
Using ground granulated blast-furnace slag and mineral wastes to , - Know More
25 May 2015 , Portland cement production releases carbon dioxide; this has significant adverse effects on the environment and so a reduction in the content....
Effects of Different Mineral Admixtures on the Properties of Fresh , - Know More
19 Nov 2013 , Comparative studies have been done such as the effect of blast furnace slag and fly ash on the hydration of fresh cement paste [1], effect of....
Effect of magnesia on properties and microstructure of alkali , - Know More
Generally, the adverse effect of magnesia decreases with the increase of the burning , alkali-activated slag cement;; magnesia;; shrinkage;; microstructure...
Change in cement manufacturing process, a cause for decline in , - Know More
As a result, the slag has diluted the hexavalent chromate content of cement , Carcinogens, Environmental/adverse effects; Chromates/adverse effects*....
Blast Furnance Slag - User Guideline - Portland Cement Concrete , - Know More
(1) Three types of ground granulated slag cements are typically manufactured , Low temperatures (cold weather) generally have a more adverse impact on....
Slag Cement Frequently Asked Questions - Slag Cement Association - Know More
Low permeability reduces the ingress of harmful more, How does slag cement affect concrete strength and elastic modulus? Slag cement provides higher....
Some smelter slags represent a significant environmental hazard , - Know More
Since the beginning of the industrial age, slag, the glassy material left over when , it has been considered chemically inert, slag has been mixed with cement and , scientific knowledge of the mechanisms that control its environmental impact,....
The effect of replacing sand by iron slag on physical, mechanical , - Know More
22 Jul 2015 , In the present study, the effects of replacing sand by high percentages of , Basic-oxygen furnace slag;; Cement mortars;; Fine aggregate;; Linear , cause of the evaporation of CO2 and other harmful gases which cause global....
Environmental Aspects of Concrete - MEKA Concrete Plants - Know More
In terms of conventional concrete mixtures (ie not using fly ash, slag or silica fume), about 480 kg of CO2 is emitted per cubic metre of , Adverse health effects...
Most Cited Cement and Concrete Composites Articles - Elsevier - Know More
Compared to Portland cement, the impact of blast-furnace slag and fly ash is , and nanosilica can offset the negative effects of fly ash on early-age properties to....