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slag increases the 28 day compressive strength of concrete generally increases, up to the approximately 50 percent slag as a percent of the cementitious materials (SCA No. 14, 2003). Scaling can be a problem when higher percentages of slag cement are used in paving concrete
Concrete In concrete, processed steel and blast furnace slag provide a sustainable alternative to primary aggregates in the production of lightweight or dense ready-mixed concrete. Blast furnace slag can also be used to make Ground Granulated Blast-furnace Slag (GGBS) which is used as a cement replacement in concrete.
For concrete grade higher than M-30, prestressed concrete works, bridge, roads, multi-storied buildings etc. For use in cold weather concreting. For marine structures but C3A should be between 5 – 8%. Applications of Portland Slag Cement (PSC) It is OPC + granulated slag cement. It .
Nov 01, 2014· Strength Typical strengths of 35 N concrete (N/mm2) GGBS % 7 day 28 day 56 day 0 32 42 43 20 30 43 45 35 27 43 47 50 23 40 44 16. Strength 17. Sustainability • GGBS is a by-product of steel manufacturing process, its use in concrete is recognized by LEED. • It significantly reduces the embodied CO2 of the structure. 18.
Oct 24, 2015· Concrete mixes that were produced for this work contained iron ore, steel mill scale, two types of barite, and steel slag, which are the heavyweight aggregates available in Turkey. An additional heavyweight concrete mixture was also produced using magnetite as .
CONCRETE MIX DESIGN USING COPPER SLAG AS FINE AGGREGATE . ... This work presents the results of the study about the use of copper slag as fine aggregate for concrete. The influence of the use .
Experimental Investigation of Copper Slag Replacement of Fine Aggregate Ppt - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Concrete Experimental investigation of copper slag replacement of fine aggregate
Steel slag applications in clinker production, as an aggregate in concrete and mortar, as constituent material in all pavement layers (unbound, hydraulically bound, and asphalt courses), and as a substance used in acid mine treatment are explained, highlighting .
Use of Waste Materials in Highway Construction: State of the Practice and ... (39 percent). The use of steel slag, bottom ash, and boiler slag also seems fairly attractive for highway applications (used by 16 to 20 percent of the respondents). ... grade with a conventional asphaltic concrete spreading ma ...
Value Propositions Using Ggbs Concrete Dublin PPT. Presentation Summary : Slag) it is possible to reduce the carbon footprint of cement by up to . 70%. GGBS has a carbon footprint of only . 52Kg/tonne. When GGBS is mixed with ordinary
Blast furnace slag products have been used successfully in virtually all phases of bridge construction. Projects such as the bridge pictured here can utilize blast furnace slag as a concrete aggregate. Blast furnace slag has been utilized in concrete masonry for many years.
Once the slag has been cooled and ground to a usable fineness it is stored and shipped to suppliers throughout the United States. Slag cement is commonly found in ready-mixed concrete, precast concrete, masonry, soil cement and high temperature resistant building products.
furnace slag is blended with Portland cement clinker to form PORTLAND BLASTFURNACE SLAG CEMENT). GGBFS is used to make durable concrete structures in combination with ordinary Portland cement and/or other pozzolanic materials. GGBFS has been widely used in Europe, and increasingly in .
2.3 Use of ferrochrome slag products The ferrochrome slag products are chemically very stable. They are used in civil engineering and road con-struction and also, to some extent, producing refractory ma terials. Granulated slag is also used as subsurface drainage material.
During the early 20th century, iron ore slag was also ground to a powder and used to make agate glass, also known as slag glass. Modern uses. Ground granulated slag is often used in concrete in combination with Portland cement as part of a blended cement. Ground granulated slag reacts with a calcium byproduct created during the reaction of ...
cement clinker (blended cement), has been used for more than 60 years. The use of separately ground slag combined with portland cement at the mixer as a mineral admixture did not start until the late 1970s. • ASTM C 989-82 and AASHTO M 302 were developed to cover ground granulated blast furnace slag for use in concrete and mortar.
2 Concrete situations that call for the very rapid development of strength or rigidity. 4. Color pigments in powder or liquid form may be added to the concrete mix to produce colored concrete. These are usually used with white port-land cement to attain their full coloring potential. See PIGMENT (MATERIAL). Reinforcing steels.
The primary applications for steel slag in the United States are its use as a granular base or as an aggregate material in construction applications. Disposal. While most of the furnace slag is recycled for use as an aggregate, excess steel slag from other operations (raker, ladle, clean out, or pit slag) is usually sent to landfills for disposal.
May 09, 2018· Ground Granulated Blast Furnace Slag concrete. GGBS hardens very slowly so it is generally used along with ordinary Portland cement in concrete. A typical combination is 50% GGBS and 50% ordinary Portland cement. But percentages of 20 to 80 are commonly used. Greater the percentage of GGBS, greater will be the effect of GGBS in concrete.
Also, furnace slag can be used as coarse aggregate for making concrete as well as aggregate in asphalt paving roads [Dieu and Lunagaira 2015]. Flue dust can be used in many industrial products as the source of carbon and zinc and also in fertilizer production [Yi et al 2012]. The use of slag as aggregate will reduce the need for
View and Download PowerPoint Presentations on Blast Furnace Slag PPT. Find PowerPoint Presentations and Slides using the power of XPowerPoint, find free presentations research about Blast Furnace Slag PPT
Oct 12, 2019· Slag cement has actually been used in concrete projects in the United States for over a century. Its earliest use was documented in 1774, when it was combined with slaked lime and used as a mortar.This cement was first used commercially in Germany in the 1860s, and it was such a success that engineers in 1889 decided to build the Paris underground metro using slag-lime cement.
Slag Cement Benefits and Use in Concrete Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement. It is a recovered industrial by-product of an iron blast furnace. Molten slag diverted from the iron blast furnace is rapidly chilled ...
Mar 17 2015 Slag sand a good alternative to river sand is being used as a replacement to river sand by Hence slag was a better alternative to river sand . get more info. . 990 CRUSHER PowerPoint PPTs on PowerShow. A crusher is a machine . Obrolan Dengan Penjualan ; Copper Slag Concrete Ppt - .
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