Concrete Maturity Of Slag Cement

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Usage of steel slag in concrete as fine and/or coarse

In this study the use of steel slag as fine and/or coarse aggregate in concrete is investigated For this purpose 12 different concrete mixtures with different water/cement ratios of 0 40 0 55 and 0 70 which include steel slag aggregate as fine and/or coarse aggregate are prepared

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Strength development of concretes with ordinary Portland

Request PDF on ResearchGate | Strength development of concretes with ordinary Portland cement slag or fly ash cured at different temperatures | This paper presents the results of an investigation on the effect of Portland cement replaced by fly ash or granulated blast-furnace slag on the concrete strength at different curing temperatures

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233R

233R-17 Guide to the Use of Slag Cement in Concrete and Mortar Currency Display US Dollar $ Canadian Dollar C$ Mexican Peso $ Australian Dollar $ Baht ฿ Brazilian Real R$ Bulgarian Lev лв Czech Koruna Kč Danish Krone kr Euro € Forint Ft Hong Kong Dollar HK$ Iceland Krona kr Indian Rupee Rs

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What is slag cement

Slag cement is commonly found in ready-mixed concrete precast concrete masonry soil cement and high temperature resistant building products While there are many applications and benefits of slag cement a few are highlighted below and detailed information sheets are located here Slag Cement -

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Using Maturity to Determine Allowable Concrete

Optimizing your mix design by changing the type of cement adding Class F fly ash or slag can have an important impact in reducing the heat of hydration During placement techniques such as using cold water ice precooling aggregates or in some more rare cases liquid nitrogen cools down the initial temperature of the concrete

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Ground Granulated Blast Furnace Slag (GGBS)

But percentages of 20 to 80 are commonly used Greater the percentage of GGBS greater will be the effect of GGBS in concrete The concrete made with Ground Granulated Blast Furnace Slag cement sets more slowly compared to ordinary Portland cement concrete based on the amount of GGBS in the cementations material

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JSW cement leading manufacturer of Portland Slag

Hence JSW Cement is the leading manufacturer of 'green cement' in India The use of slag in concrete has replaced partially the Ordinary Portland Cement (OPC) As a common practice blast furnace slag is incorporated in Portland cement production for environmental technical and economical benefits

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Slag Cement Association About Slag Cement

About Slag Cement Slag cement or ground granulated blast-furnace slag (GGBFS) is a recovered byproduct of the iron manufacturing process and can be used to replace a portion of portland cement in concrete mix design To learn more about how slag cement is created click here

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Slag Cement Benefits and Use in Concrete

Slag cement is commonly found in ready-mixed concrete precast concrete masonry soil cement and high temperature resistant building products While there are many applications and benefits of slag cement a few are highlighted below and detailed information sheets are located here

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Slag Cement in Slab Concrete Mix

4-3-2012Slag Cement in Slab Concrete Mix Slag Cement in Slab Concrete Mix kennyb04 (Structural) (OP) 29 Feb 12 10 06 We are EOR for a large shopping center and received a mix design for the slab containing up to 50% GGBF slag (C595 Ty IS w/ max 50% C989 G120 GGBF slag)

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Blended Cement

Blended Cement Blended Cement is manufactured for use in general purpose concrete applications cement-based products mortars and grouts where the use of fly ash has been approved Concrete made with fly ash or slag cement delivers improved later-age strength workability and enhances the durability performance of concrete

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Technical Report UDC 669 162 275 2 666 972 12

* Senior Manager Market Development Dept Slag Cement Div 2-6-1 Marunouchi Chiyoda-ku Tokyo 100-8071 Production and Use of Blast Furnace Slag Aggregate for Concrete Takayuki MIYAMOTO* Koichi TORII furnace slag as concrete aggregate for wider varieties of

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Fast

of slag cement concrete under standard curing conditions however is slower than that of portland-cement concrete Slag cement along with other supplementary cementitious materials such as fly ash is not therefore commonly used in applications where high early-age strength is required for example fast-track construction There is evidence

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is Concrete Maturity

CIP 39 - Maturity Methods to Estimate Concrete Strength WHAT is Concrete Maturity In concrete technology the term maturity refers to the extent of the development of properties such as strength that depend on the chemical reactions occurring in a cementitious mixture The primary assumption is that provided water is available for cement

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Concrete Products

Slag Cement Association members report an 11 percent year-over-year increase in 2018 shipments to 3 45 million metric tons Those of us in the concrete industry have long known that the use of slag cement increases the strength and durability of concrete at a reduced environmental impact " notes SCA President Ed Griffith

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SCMs in Concrete Slag Cement

Since pozzolans extend the hydration process concrete made with slag cement can exhibit a lower heat of hydration slower set times and lower early age strength However at 28 days the strength results displayed by slag cement concrete can exceed those of ordinary portland cement concrete

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NewCem Slag Cement

Strength and durability for your next project NewCem Slag Cement is a finely ground granulated blast furnace slag (GGBFS) a product of the iron-making process Through our extensive distribution system we can deliver NewCem for blending with conventional Portland cement at the concrete plant to produce strong high-quality durable concrete

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Slagment

Slagment is the registered trade name of our Ground Granulated Blast Furnace Slag (GGBFS) It is a latent hydraulic binder that is used in concrete and other construction applications as a partial cement replacement material We have the capacity to produce over 800 000 tons of slag per year at our Slagment operation in Vanderbijlpark

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Cement Types

Construction documents often specify a cement type based on the required performance of the concrete or the placement conditions Certain cement manufacturing plants only produce certain types of portland cement What are the differences in these cement types and how are they tested produced and identified in practice?

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Greening of Slag Cement Concrete

31-8-2011Hardened concrete containing slag cement can show mottled green or blue-green areas on the surface in the first few days after placement This temporary condition commonly is called "greening " Surface greening occurs in only a small percentage of concrete made with slag cement and does not affect concrete performance

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"Ground Granulated Blast Slag (GGBS) In Concrete – A Review"

Two major uses of GGBS [2] are in the production of quality-improved slag cement namely Portland Blast furnace cement (PBFC) and high-slag blast-furnace cement (HSBFC) with GGBS content ranging typically from 30 to 70% and in the production of ready-mixed or site-batched durable concrete

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Maturity in Concrete

In this presentation give some background information on concrete strength development in the field and the relation between concrete strength and maturity and how concrete maturity testing can be used to monitor the real time strength of concrete in the field will be described

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Common Uses for Slag

The principal use is as Cement replacement (when ground) replacing 30-50% of Portland Cement in 'normal' concrete but can replace up to 70% in specialist applications such as marine concrete Other uses include Blast furnace slag has been utilized in concrete masonry for many years

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Slag or Flyash – What's the difference? – BGC Cement

LH is comprised of approximately 35% GP cement and 65% slag This blend is ideal for use in mass concrete structures where rate of temperature rise and maximum temperature achieved is controlled to reduce the risk of thermal cracking LH cement meets the requirements of AS3972 for classification as a Sulphate Resisting (Type SR) cement

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US7491268B2

A slag cement includes ground granulated blast furnace slag and ground limestone combined in a predetermined weight ratio Limestone and granulated blast furnace slag (GBFS) are fed to a grinding apparatus in a ratio of about 3-5% limestone by weight The limestone is a cheaper raw material than the GBFS resulting in a reduction in production

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EXPERIMENTAL STUDY ON PROPERTIES OF STRENGTH AND

full replacement for Portland cement The utilization of copper slag for applications such as Portland cement replacement in concrete or as raw material has the dual benefit of eliminating the cost of disposal and lowering the cost of the concrete The use of copper slag in the concrete industry as a

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Structural and durability properties of concrete made with

possible with slag concrete Table 3 shows the applications of slag con-crete at different replacement levels of cement with slag Table 3 Cement replacement levels for slag concretes Replacement Applications Benefits Notes 0 – 20% Pre-bagged cementsSimilar properties Little technical General building and to plain PC advantage civil work

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EFFECTS OF CEMENT TYPE ON CONCRETE MATURITY

The investigations on maturity for different types of cements are inconclusive For this purpose different concrete classes (C20 C30 and C40) were prepared with four different types of cements which were ordinary Portland cement Portland composite cement sulfate resisting cement and blast furnace slag cement

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Blast Furnace Slag Cement

Flexural strength is usually improved by the use of slag cement which makes it beneficial to concrete paving applications where flexural strengths are important It is believed that the increased flexural strength is the result of the stronger bonds in the cement-slag-aggregate system because of the shape and surface texture of the slag particles

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The effect of temperature on the rate of strength

Soutsos MN Barnett SJ Millard SG Bungey JH 2008 The effect of temperature on the rate of strength development of slag cement in Slag Cement Concrete - Session at the ACI Fall 2008 Convention 263 SP edn pp 111-126 ACI Fall 2008 Convention St Louis MO United States 2/11/08

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Engineering Seminars SLAG CEMENT

Slag cement consistently enhances certain qualities of concrete block no matter how it is produced providing architecturally appealing lighter colour a finer tighter surface texture or more swipe etc Slag cement in high performance concrete Producing pre-cast and pre-stressed concrete with slag cement Slag cement in concrete

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Greatly Increased Use of Fly Ash in Hydraulic Cement

Greatly Increased Use of Fly Ash in Hydraulic Cement Concrete (HCC) for Pavement Layers and Transportation Structures - Volume I Final Report to Research Consortium led by Purdue University and funded by FHWA (March 2012) Prepared by Karthik H Obla PhD PE Colin L Lobo and Haejin Kim PhD Prime Award No DTFGH61-09-H-00005

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Benefits of slag and fly ash

The use of ground granulated blast furnace slag and powder coal fly ash as an addition to either cement or concrete is well-established Concrete made with these secondary raw materials as a part of the binder does show distinctive advantages over concrete with Portland cement only

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Strength development of concretes with

This paper presents the results of an investigation on the effect of Portland cement replaced by fly ash or granulated blast-furnace slag on the concrete strength at different curing temperatures Compressive strength results are analysed according to the hyperbolic strength-age function by introducing a

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Effects of slag and fly ash on reinforcement corrosion in

for slag cement than for Portland cement by a factor of 10 to 16 [Bijen 1996] Exposure for 16 years of concrete prisms submerged in the North Sea showed that slag cement had much lower chloride penetration than Portland cement concrete [Polder Larbi 1995]

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