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The Use of Limestone in Portland Cement: A State-of- the-Art Review, EB227, Portland Cement Association, Skokie, Illinois, USA, 2005, 44 pages. Cover photo: Portland Cement. Know all about Marble and Limestone and their uses in industries and architecture in the upcoming sections. Commercial uses of Marble: cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, paper industry, tombstones, 2015-6-28 marble powder, which presents a strong argument for its use as a concrete addition. 2. Materials Used . 2.1. Cement . The Portland cement has a Blaine Specific Surface (BSS) of 3830 cm2/g. It is a CEM II / A 42.5 clinker with addition of 10% limestone. The cement is marketed by Egyptian Orascom Group (Algerian Cement Company). 2020-8-3 (Figure 1). The Cement Plants in the country are located near quarries of suitable limestone or marble deposits. Limestone, marble and dolomite in Nigeria may be conveniently grouped into three classes on the basis of geological age, as follows: the Precambrian marble, the Cretaceous limestone, and the Tertiary limestone. Figure 1. 2008-11-21 Crushed waste marble and granite with a maximum nominal size of 19 mm were used as coarse aggregates, while river sand and GBFS with a maximum size of 4.75 mm were used as fine aggregates.Two control specimens were made with limestone as coarse aggregate separately, one with river sand and the other with GBFS. 2015-3-26 The limestone acts as a seed crystal for the cement, better distributing the reaction products and increasing the reactivity of the cement. As there is always unhydrated cement in the concrete, this change will have no real measurable effect on the use of fly ash. The cement might have a reduced water demand, and the coarser cement gradation Utilisation of waste marble powder in cement industry 401 sheets. Therefore, out of every 25 mm thickness of marble block, 5 mm are converted into powder while cutting. This powder flows along with the water as marble powder. Thus, nearly 20% of the total weight of the marble 2014-1-1 4.3 Substitute of Limestone in Cement. • The use of marble dust in construction might be cost effective because this waste is available. free of cost. 2018-12-12 Numerous studies on Portland limestone cement focused on the effects of limestone on the cement performance, participation of limestone in the hydration reactions and the production process specifically intergrinding of clinker and limestone. The use of limestone filler in combination with Portland cement is a common practice in many 2013-11-30 Limestone vs Marble . Both limestone and marble are types of rock made of calcium carbonate residues. Even though their chemical nature is almost similar to each other, there are many differences between limestone and marble in the way they 
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