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Two major uses of GGBS are in the production of qualityimproved slag cement, namely Portland Blastfurnace cement (PBFC) and highslag blastfurnace cement (HSBFC), with GGBS content ranging typically from 30 to 70%; and in the production of readymixed or sitebatched durable concrete.
High strength concrete and highperformance concrete are not synonymous because strength and performance of concrete are different properties of concrete. Highstrength concrete is defined based on its compressive strength at a given age. During 1970s, any concrete mixtures which showed 40 MPa or ...
Supplementary cementing materials (SCMs) contribute to the properties of hardened concrete through hydraulic or pozzolanic activity. Typical examples are fly ashes, slag cement (ground, granulated blastfurnace slag), and silica fume. These can be used individually with portland or blended cement or in different combinations.
Apr 17, 2017· I had practically used PPC cement in almost all projects. I didn''t find any problem. Portland Slag Cement (PSC) Portland Slag Cement (PSC) is manufactured by either intergrinding in the Portland cement clinker, Gypsum Granulated Slag or blendin...
They include Portland cement as covered by AASHTO M85 (2), Portland blast furnace slag cement (blended cement type IS), and slag cement (slag cement type S) as per AASHTO M240. (3) The use of GGBFS as a partial Portland cement replacement takes advantage of the energy invested in the slag making process and its corresponding benefits with ...
Compound Composition of Clinker / Cement Four major compounds formed from the oxides under high temperature in the kiln Name (Oxide Notation) Shorthand Tricalcium silicate (3 2) – C3S Dicalcium silicate (2 2) – C2S Tricalcium aluminate (3 2O 3) – C3A Tetracalcium aluminoferrite (4 2O 3. Fe 2O 3) – C4AF
Two major uses of GGBS [2] are in the production of qualityimproved slag cement, namely Portland Blast furnace cement (PBFC) and highslag blastfurnace cement (HSBFC), with GGBS content ranging typically from 30 to 70% and in the production of readymixed or sitebatched durable concrete.
Oct 19, 2016· Portland slag cement is obtained by mixing Portland cement clinker, gypsum and granulated blast furnace slag in suitable proportions and grinding the mixture to get a thorough and intimate mixture between the constituents. 1. The fineness value of, when tested by Blaine''s air permeability method, shall not be less than 225280 m2/kg.
This seminar is to provide guidance on classification of concrete cracks and ... laitance and normal amounts of dirt. The acid will remove enough cement paste ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on id: 10d15dZDc1Z
partial replacement of fine aggregate with copper slag. Addition of copper slag increases the density of concrete thereby increasing the selfweight, so that it can be used for high density concrete production. Economic Feasibility Geopolymer concrete (GPC) manufactured using industrial waste like fly ash, GGBS and copper slag is
Mar 31, 2015· 1. cement ppt 1. Cement: Cement is the mixture of calcareous, siliceous, argillaceous and other substances. Cement is used as a binding material in mortar, concrete, etc. 2. Chemical Composition of cement is: Lime 63% Silica 22% Alumina 06% Iron oxide 03% Gypsum 01 to 04% Suchismita Sahu, Asst. Professor KIIT University 3.
Feb 07, 2017· Types of cement used in India Rapid Hardening Cement Quick setting cement Low Heat Cement Sulphates resisting cement Blast Furnace Slag Cement High Alumina Cement White Cement Coloured cement Pozzolanic Cement Air Entraining Cement Hydrographic cement ... 1. cement ppt Bhaswati Sharma. Green buildings siriyala revanth.
Slag cement and some pozzolans with high calcium contents. No calcium hydroxide byproduct; may consume calcium hydroxide from system. Reactivity dependant on fineness and composition of slag cement, temperature, and alkali content of portland cement. Slag cement is referred to as a latent hydraulic material.
Oct 12, 2019· Slag cement, often called ground granulated blastfurnace slag (GGBFS), is one of the most consistent cementitious materials used in concrete. It is actually a byproduct of iron production. When the iron is processed using a blast furnace, slag and iron both collect at the bottom of the molten slag must first be separated from the molten iron.
Dec 04, 2017· This video introduces fly ash, slag and silica fume and discusses their properties. ... Comparing fly ash, slag, and silica fume performance in concrete. .
In Building Materials in Civil Engineering, 2011. Portland Blast Furnace Cement. Portland blast furnace cement (simply called slag cement) refers to the hydraulic binding material ground by mixing Portland cement clinker, granular blast furnace slag, and appropriate amount of gypsum, codenamed P • S. The mixed amount of granular blast furnace slag in cement is 20% ~ 70% by weight.
Usage of steel slag in concrete as fine and/or coarse aggregate Gözde İnan Sezer* Mert Gülderen Department of Civil Engineering, Ege University, İzmir, Turkey Received 27 September 2013; accepted 13 February 2015 In this study, the use of steel slag as fine and/or coarse aggregate in concrete .
Recently the mechanical properties of highstrength concrete incorporating copper slag as coarse aggregates were investigated by Khanzadi and Behnood . The results showed that the use of copper slag aggregate compared to limestone aggregated resulted in a 28day compressive strength improvement of about 10–15%, and a splitting tensile ...
HIGHPERFORMANCE CELLULAR CONCRETE HighPerformance Cellular Concrete [HPCC] has all the properties of cellular concrete and can achieve MPa [8,000 psi]. Higher strengths can be produced with the addition of supplementary cementitious materials. Density and strengths can be controlled to meet specific structural and
chemical composition and quantities of slag cement ppt Cement Composition The Concrete Portal. Oxides in smaller quantities that are important for cement behaviour include .
Since slag is not commonly used as an aggregate, its properties were investigated in the first place. The possibility of application of slag as a coarse aggregate in structural concrete exposed to regular environmental conditions and exposed to fire or high temperatures was studied.
When blended with cement, the ground granulated blast furnace slag becomes Portland blast furnace slag cement with the same properties as ordinary (Portland) cement. The advantages of this blast furnace slag cement, such as increasing strength over long periods of time, low heating speed when reacting with water, and high chemical durability ...
This cement contains more %age of C3S and less %age of C2S, high proportion of C3S will impart quicker hydration The high strength at early stage is due to finer grinding, as fineness of cement will expose greater surface area for the action of water. The strength obtained by this cement in 03 days is same as obtained by in 7 days.
Cement containing large amounts of alkali can cause some difficulty in regulating the setting time of cement. Low alkali cement, when used with calcium chloride in concrete, can cause discoloration. In slaglime cement, ground granulated blast furnace slag is not hydraulic on its own but is "activated" by addition of alkalis.
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