effect of slag on pumpability concrete

LEHIGH SLAG CEMENT PRODUCT DATA SHEET
LEHIGH SLAG CEMENT PRODUCT DESCRIPTION Lehigh Slag Cement conforms to ASTM C989/AASHTO M 302 standard specifiions for "Slag Cement as a Constituent in Concrete and Mortars" and CSA A3001 "Cementitious Material for Use in Concrete." Slag has cementitious properties similar to portland cement.
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Effect of blastfurnace slag as cement replacement on
Effect of blastfurnace slag as cement replacement on hydration, microstructure, strength and durability of concrete. Ghent University. Ghent University. Faculty
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The Effect of Ground Granulated Blast Furnace Slag (Slag
Although the data are limited, the restrained shrinkage cracking of concrete containing slag appears to be less than that of concrete without slag. Cracking was delayed to later ages and resulted in smaller total crack widths. The effect of the inclusion of slag on
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Effect of Blast Furnace Slag Powder and Fly Ash on
Jul 24th, 12:00 AM Jul 26th, 12:00 AM. Effect of Blast Furnace Slag Powder and Fly Ash on Durability of Concrete Mixed with Seawater. According to the report of the United Nations, it is said that twothird of world population would be influenced by water shortage before 2050.
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Steel Slag User Guideline Asphalt Concrete User
Steel slag can be processed into a coarse or fine aggregate material for use in dense and opengraded hot mix asphalt concrete pavements, (1,2,3) and in cold mix or surface treatment appliions. (4) Proper processing of steel slag and special qualitycontrol procedures are extremely important in selecting steel slag for use in asphalt paving
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UNDERSTANDING THE PUMPABILITY OF CONCRETE
effect of mixture design on pumpability are presented in the paper. The concept of Real Paste Content is brought forward as a tool to help engineers clearly understand the mechanisms taking place during the transport of concrete under pressure. CONCRETE PUMPING The pumpability of concrete is not an easy concept to define and requires the
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The Effect of Alkaline SolutiontoSlag Ratio on
Abstract. This study investigated the effect of alkaline solutiontoslag ratio on permeability of Alkali Activated Slag Concrete (AASC). Permeability of concrete has a direct impact on its durability, so, in this study, a series of tests were arranged to examine the effect of alkaline solutiontoslag ratio on water impermeability, chloride permeability, shortterm and total water absorption
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Properties of Hardened Concrete with Blast Furnace Slag
Compressive strength of concrete containing slag. Slag concrete compressive strength is mainly based on number of factors for instance slag type, finesses, activity index, and the amount employed in concrete mixtures in addition to other factors for example cement
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Effect of blast furnace slag powder on compressive
Compressive strength of blast furnace slag concrete with different dosage of slag was studied as a partial replacement of cement. From the experimental investigations, it has been observed that, the optimum replacement of Ground Granulated Blast Furnace Slag Powder to cement without changing much the compressive strength is 15%.
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Effect of curing on water permeability of concretes
May 25, 2015 · The effect of curing on the coefficient of permeability of concretes was studied. Concretes, grades 35 and 40, were prepared from a normal Portland cement and from a high slag blended cement. The effect of the addition of silica fume to both of these binders was also studied.
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Aggregates for Concrete Civil Engineering
Aggregates for Concrete bination of gravels or crushed stone with particles predominantly larger than 5 mm (0.2 in.) and generally between 9.5 mm and 37.5 mm (3⁄ 8 in. and 11⁄ 2 in.). Some natural aggregate deposits, called pitrun gravel, consist of gravel and sand that can be readily used in concrete after minimal processing. Natural
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Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3
Fly Ash, Slag, Silica Fume, and Natural Pozzolans Fly ash, ground granulated blastfurnace slag, silica fume, and natural pozzolans, such as calcined shale, calcined clay or metakaolin, are materials that, when used in conjunction with portland or blended cement, contribute to the properties of the hardened concrete through hydraulic or
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Slag Concrete
Mixes with high slag concrete typically show less bleeding and shrinkage than straight cement mixes. Graniterock uses slag to improve concrete because of the fineness of the material, spherical shape, and improved compressive strength. Slag is used as a replacement for water to improve workability and pumpability of concrete.
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Effect of Blast Furnace Slag Powder and Fly Ash on
specifiions around the world. In this article, the usage of seawater as a material of concrete based on the results of experimental works and deterioration prediction was discussed. Especially, the effects of byproducts such as blast furnace slag or fly ash on the durability of concrete mixed with seawater were evaluated. In the experimental
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Effects of High Temperature and Cooling Pattern on the
Concrete structure is frequently subjected to the fire attack, whereas the permeability of concrete with firedamage has received little consideration. This paper aims to investigate the chloride permeability of plain concrete and recycled aggregate concrete (RAC) with firedamage, and the effects of various cooling patterns and recuring treatment on the chloride permeability are also studied
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PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE
Properties And Effects Of Copper Slag In Concrete 46 PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE M. V. PATIL Applied Mechanics Department, S.V. National Institute of Technology, Surat, Gujarat Abstract: Copper slag is a byproduct obtained during matte smelting and refining of copper. This work reports an
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slag (GGBF) in slabongrade concrete Structural
Jul 28, 2005 · Blastfurnace slag blended cement concrete tends to have better pumpability and can be used in mass concrete appliions to reduce the peak temperature rise and tendency to crack due to heat development. Suggest you discuss with your readymix or blastfurnace slag
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Effect of elevated temperatures on concrete incorporating
This study evaluates the effect of elevated temperature exposure on concrete incorporating ferronickel slag (FNS) as a replacement of natural sand. Concrete cylinders were exposed up to 800°C, and the changes in compressive strength, mass, ultrasonic pulse
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Blast Furnance Slag User Guideline Portland Cement
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
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MAT745: THE EFFECT OF GROUND GRANULATED BLAST
emphasized that slag replacements improve the transport preoperties and lower heat of hydration of HPC. The effect of level of cement, ground granulated blast furnace slag and silica fume on the durability of HPC were investigated. The compressive strength (ASTM C39, 2010), rapid chloride permeability test (RCPT) (ASTM Standard C1202,
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GGBF Slag in Concrete Helps Hold Up Some History Concrete
Brenno designed a mix with 413 pounds of GGBF slag or a 70% replacement of cement weight based on a MnDOT mix with the next lower minimum anticipated 28day strength, 3900 psi. The new mix also used 177 pounds of Type II cement, 3% air entrainment, and a lowrange waterreducer for pumpability. The pier stem was poured in 5foot lifts.
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UNDERSTANDING THE PUMPABILITY OF CONCRETE
effect of mixture design on pumpability are presented in the paper. The concept of Real Paste Content is brought forward as a tool to help engineers clearly understand the mechanisms taking place during the transport of concrete under pressure. CONCRETE PUMPING The pumpability of concrete is not an easy concept to define and requires the
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(PDF) Effect of Ground Granulated Blast Furnace Slag as
https://irjet.net/archives/V3/i2/IRJETV3I2296.pdf
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Durability Properties of Concrete with GGBS
Durability of concrete is an important factor considered for structures. Effect of GGBFS of durability properties of concrete is discussed in this article. Durability is an important factor that must be appreciable for any structure so that it is performing for the requirement for which it is built for. It is a time period requirement. []
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Effect of copper slag as a fine aggregate on the
An experimental investigation was conducted to study the effect of using copper slag as a fine aggregate on the properties of cement mortars and concrete. Various mortar and concrete mixtures were prepared with different proportions of copper slag ranging from 0% (for the control mixture) to as fine aggregates replacement.
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Ground Granulated Blast Furnace Slag (GGBS) Chemical
May 09, 2018 · 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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Effect of Cement Content on Durability of Fly AshCarbide
The results show that when the optimal cement content is 150kg/m 3 and the fly ash —carbide slag content is 350kg/m 3, the impermeability, the frost resistance, the erosiveness resistance and the wear resistances of residue concrete are obviously improved, which can meet the pavement surface requirements of rural roads in the Three Gorges
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Effects of Internal Curing, Slag, and Silica Fume on
of 62 concrete mixtures to investigate the effect of slag cement on the shrinkage of concrete. Slag cement was either a partial replacement of cement or the only cementitious Title No. 115M52 Effects of Internal Curing, Slag, and Silica Fume on Concrete Shrinkage
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UNDERSTANDING THE PUMPABILITY OF CONCRETE
effect of mixture design on pumpability are presented in the paper. The concept of Real Paste Content is brought forward as a tool to help engineers clearly understand the mechanisms taking place during the transport of concrete under pressure. CONCRETE PUMPING The pumpability of concrete is not an easy concept to define and requires the
Get price
Effect Of Slag On Pumpability Concrete
Effect of a slag on . aids the pumpability of concrete. Get Price And Support Online effect of slag on pumpability concrete – Crusher . effect of slag on pumpability concrete manufacturer in Shanghai, China. effect of slag on pumpability concrete is manufactured from Shanghai Xuanshi,It is the main mineral processing solutions.
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8 ESSENTIAL QUALITY REQUIREMENTS OF PUMPED CONCRETE
Mar 21, 2016 · Pumpability of concrete is generally improved with a decrease in the fineness modulus. Fine aggregates having a fineness modulus between 2.40 and 3.00 are generally satisfactory provided that the percentages passing the 300 and 150μm (No. 50 and No. 100) sieves meet the previously stated guidelines. EFFECT OF TREE ROOTS ON BUILDING. 6
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Effect of Aggregate of Electric Arc Furnace Slag on
Request PDF Effect of Aggregate of Electric Arc Furnace Slag on Durability of Reinforced Concrete Structures in Chloride Environment (Part I) Durability of reinforced concrete structures
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Properties of Slag Concretes
Figure 15: Effect of slag replacement. Durability. Carbonation. The rate of carbonation of slag cement concrete has been reported to be higher than that of Portland cement concrete, especially at high slag replacement values. In all cases, the rate of carbonation is related directly to the compressive strength of concrete
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What are the Factors Affecting Workability of Concrete?
Silica fume are used as pumping aid for concrete when used as 2 to 3% by mass of cement. The use of slag cement also improves workability but its effect depends on the characteristics of the concrete mixture in which it is used. References: ACI 238.1R08 – Report on Measurements of Workability and Rheology of Fresh Concrete. Read More:
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Effects of High Temperature and Cooling Pattern on the
Concrete structure is frequently subjected to the fire attack, whereas the permeability of concrete with firedamage has received little consideration. This paper aims to investigate the chloride permeability of plain concrete and recycled aggregate concrete (RAC) with firedamage, and the effects of various cooling patterns and recuring treatment on the chloride permeability are also studied
Get price
8 ESSENTIAL QUALITY REQUIREMENTS OF PUMPED CONCRETE
Mar 21, 2016 · Pumpability of concrete is generally improved with a decrease in the fineness modulus. Fine aggregates having a fineness modulus between 2.40 and 3.00 are generally satisfactory provided that the percentages passing the 300 and 150μm (No. 50 and No. 100) sieves meet the previously stated guidelines. EFFECT OF TREE ROOTS ON BUILDING. 6
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Slag Cement Effect On Set Time Of Concrete
Effect Of Slag On Pumpability Concrete . The effect of ground granulated blast furnace slag slag, although the data are limited, the restrained shrinkage cracking of concrete containing slag appears to be less than that of concrete without slag cracking was delayed to later ages and resulted in smaller total crack widths the effect of the
Get price
Ground Granulated Blast Furnace Slag (GGBS) Chemical
May 09, 2018 · 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.
Get price
EFFECTS OF FLY ASH ON CONCRETE PROPERTIES CivilBlog.Org
Effects of Fly Ash on Concrete 1. On Amount of Mixing Water. The use of fly ash in limited amounts as a replacement for cement or as an addition to cement requires a little more water for the same slump because of fineness of the fly ash. It is generally agreed that the use of fly ash, particularly as an admixture rather than as a replacement
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SLAG base cement – new horizon for sustainable & durable
Slag cement improves many of the strength and durability properties of hardened concrete. Slag cement is a hydraulic binder that, like portland cement, reacts with water to form cementitious
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Effect of Cement Content on Durability of Fly AshCarbide
The results show that when the optimal cement content is 150kg/m 3 and the fly ash —carbide slag content is 350kg/m 3, the impermeability, the frost resistance, the erosiveness resistance and the wear resistances of residue concrete are obviously improved, which can meet the pavement surface requirements of rural roads in the Three Gorges
Get price
Effects of Aggregate Properties on Concrete Size, Grading
Variation in the size of Aggregates changes the water demand, cement content, microcracking (strength) in concrete. It also effects pumpability, and durability of concrete. Grading of aggregates depends on the proportions of coarse and fine aggregate. If grading of aggregate is varied, it also changes cement paste content (cost economy), workability of the mix,
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Slag cement with fly ash Slag Cement Association
Slag cement does not contain carbon and does not cause instability in the entrained air content. Time of Set. Time of initial set is influenced by the use of slag cement and fly ash. Concrete made with slag cement can have faster set times than concrete made with fly ash (Figure 2). Pumpability and Finishability. Pumpability with slag cement
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The effect of silica fume on durability of alkali
This research studied and examined the effect of substitution of 5 wt%, 10 wt%, and 15 wt% of slag with silica fume in AAS concrete mixture and two method of curing, including water curing and curing under plastic covers, on the permeability of alkali activated slag concrete.
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Effects of Blast Furnace Slag as a Partial Replacement for
Earlyage compressive strength of concrete with blastfurnace slag cement type A was improved by increasing C 3 S content more than 65%, especially at low temperature. Various effects of Blast Furnace Slag in concrete production are reiterated by Kim et al.
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Effects of Aggregate Properties on Concrete Size, Grading
Variation in the size of Aggregates changes the water demand, cement content, microcracking (strength) in concrete. It also effects pumpability, and durability of concrete. Grading of aggregates depends on the proportions of coarse and fine aggregate. If grading of aggregate is varied, it also changes cement paste content (cost economy), workability of the mix,
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