effect of slag on pumpability concrete - BINQ Mining

effect of slag on pumpability concrete - BINQ Mining

22/03/2013· effect of slag on pumpability concrete,Crushing Process,Mining. LAG EMENT AND LY SH – Slag Cement Association – Slag Cement This effect with slag cement is due to its influence on paste characteris-Pumpability with »More detailedThe Effect of Slag and Limestone Filler on Resistivity,,22/11/2012· Results showed the effect of slag on concrete transport properties. The effect of limestone filler was minimal either admixed solely or in conjunction with slag. On the other hand, blended cement appeared to be less effective on improving concrete transport properties.Effect of Slag Fineness on the Development of Concrete,,The concrete mixtures were proportioned for a 28-day compressive strength of 60 to 120 MPa; the ground granulated blast furnace slag was obtained by pulverizing and classifying ordinary ground slag of 453 m¦/kg of surface area by air permeability. Three degrees of fineness, namely, 453, 786, and 1160 m¦/kg, were used to replace portland cement. The water-binder ratio was kept low at 0.30 and,Effect of slag cement on the properties of ultra-high,,30/11/2018· Yazici et al. examined the curing effect on reactive powder concrete with high volumes of slag cement and found that 20% slag cement was the optimum replacement level in terms of compressive strength while 60% slag cement slightly reduced the compressive strength. 0.83 × 10 −6 /°CEffect of Slag on the Performance of Concretes in,,01/10/2008· Title: Effect of Slag on the Performance of Concretes in Hydrocarbon Fire Author(s): M. Guerrieri, J. Sanjayan, and F. Collins Publication: Symposium Paper Volume: 255 Issue: Appears on pages(s): 23-46 Keywords: activated slag; hydrocarbon fire; moisture clog; spalling; thermal gradient Date: 10/1/2008 Abstract: A hydrocarbon fire test was conducted on nine concrete slabsEFFECT OF GRANULATED BLAST FURNACE SLAG ON THE,level of slag from 15 to 25% resulted in a compressive strength at 28 days comparable to that of cement without addition, irrespective of the period of curing. The experimental results showProperties of Slag Concretes - P2 InfoHouse,The effect of slag content on drying shrinkage is shown in Figure 5. For 40 MPa concrete with slag contents varied between 0% and 80% by mass, the drying shrinkage: 1. increased by 11% at 14 days; 2. increased by 10% at 56 days; and . 3. decreased by 7% at 365 days. Figure 5: Influence of slag content on drying shrinkageEFFECT OF ULTRA FINE SLAG REPLACEMENT ON DURABILITY,producing a greener concrete are becoming important criteria in obtaining quality concrete. Incorporating Ground Granulated Blast-furnace Slag (GGBS) as a mineral admixture improves the workability and pump-ability of fresh concrete. Blended cement concrete have reduced pore connections; thus, reducing the permeabilityThe Effect of Slag and Limestone Filler on Resistivity,,Results showed the effect of slag on concrete transport properties. The effect of limestone filler was minimal either admixed solely or in conjunction with slag. On the other hand, blended cement appeared to be less effective on improving concrete transport properties.EFFECT OF GRANULATED BLAST FURNACE SLAG ON THE,level of slag from 15 to 25% resulted in a compressive strength at 28 days comparable to that of cement without addition, irrespective of the period of curing. The experimental results show

Effect of Slag Fineness on the Development of Concrete,

Effect of Slag Fineness on the Development of Concrete,

It is shown that the use of very fine slag of about 1200 m¦/kg specific surface area results in accelerated hydration, high early strength of 30 to 50 MPa at 3 days, high 28-day cylinder compressive strength of 100 to 110 MPa, very low total pore volume and fine pore sizes, a highly densified microstructure, and very low water permeability diffusion coefficient.Effect of slag cement on the properties of ultra-high,,This study investigates the effects of replacing a portion of Portland cement with slag cement (0%, 25%, 50% and 65% by mass) on the properties of plain ultra-high performance concrete (UHPC) mixes. It is observed that slag cement substantially enhances the flowability of the UHPC mixes and reduces the superplasticizer dosage.Effect of Slag on the Performance of Concretes in,,Title: Effect of Slag on the Performance of Concretes in Hydrocarbon Fire Author(s): M. Guerrieri, J. Sanjayan, and F. Collins Publication: Symposium Paper Volume: 255 Issue: Appears on pages(s): 23-46 Keywords: activated slag; hydrocarbon fire; moisture clog; spalling; thermal gradient Date: 10/1/2008 Abstract: A hydrocarbon fire test was conducted on nine concrete slabs incorporating three,Properties of Slag Concretes - P2 InfoHouse,The effect of slag content on drying shrinkage is shown in Figure 5. For 40 MPa concrete with slag contents varied between 0% and 80% by mass, the drying shrinkage: 1. increased by 11% at 14 days; 2. increased by 10% at 56 days; and . 3. decreased by 7% at 365 days. Figure 5: Influence of slag content on drying shrinkage(PDF) Effect of Slag Cement on Drying Shrinkage of,Abstract and Figures The effect of a partial replacement of cement with slag cement on free shrinkage is evaluated for curing periods between 3 and 28 days. Mixtures include concrete containing...UNDERSTANDING THE PUMPABILITY OF CONCRETE,general, concrete pumpability is defined as the capacity of a concrete under pressure to be mobilized while maintaining its initial properties (Gray (1), Beaupré, (2)). The research efforts reported over the last decade on the pumpability of concrete usually focus on either the stability of concrete under pressure, or on its mobility underslag (GGBF) in slab-on-grade concrete - Structural,,28/07/2005· Blast-furnace slag blended cement concrete tends to have better pumpability and can be used in mass concrete applications to reduce the peak temperature rise and tendency to crack due to heat development. Suggest you discuss with your ready-mixeffect of slag on pumpability concrete – Grinding Mill,Effect of slag content on appears to improve workability and pumpability. » More detailed! Fly Ash, Slag, Silica Fume, and Natural Pozzolans. containing supplementary cementing materials are similar to the effects on concrete the pumpability of concrete. concrete with ground slag has a » More detailed!Effect Of Slag On Pumpability Concrete,Fly ash improves concrete’s workability, pumpability Both class C fly ash and slag have about 35 percent silica and much lower calcium oxide than Poor-quality fly ash can have a negative effect on concrete.EFFECT OF ULTRA FINE SLAG REPLACEMENT ON DURABILITY,producing a greener concrete are becoming important criteria in obtaining quality concrete. Incorporating Ground Granulated Blast-furnace Slag (GGBS) as a mineral admixture improves the workability and pump-ability of fresh concrete. Blended cement concrete have reduced pore connections; thus, reducing the permeability

Effect of Slag Fineness on the Development of Concrete,

Effect of Slag Fineness on the Development of Concrete,

It is shown that the use of very fine slag of about 1200 m¦/kg specific surface area results in accelerated hydration, high early strength of 30 to 50 MPa at 3 days, high 28-day cylinder compressive strength of 100 to 110 MPa, very low total pore volume and fine pore sizes, a highly densified microstructure, and very low water permeability diffusion coefficient.Effect of Slag on the Performance of Concretes in,,Title: Effect of Slag on the Performance of Concretes in Hydrocarbon Fire Author(s): M. Guerrieri, J. Sanjayan, and F. Collins Publication: Symposium Paper Volume: 255 Issue: Appears on pages(s): 23-46 Keywords: activated slag; hydrocarbon fire; moisture clog; spalling; thermal gradient Date: 10/1/2008 Abstract: A hydrocarbon fire test was conducted on nine concrete slabs incorporating three,Properties of Slag Concretes - P2 InfoHouse,The effect of slag content on drying shrinkage is shown in Figure 5. For 40 MPa concrete with slag contents varied between 0% and 80% by mass, the drying shrinkage: 1. increased by 11% at 14 days; 2. increased by 10% at 56 days; and . 3. decreased by 7% at 365 days. Figure 5: Influence of slag content on drying shrinkageEffect of Copper Slag As A Fine Aggregate on Properties of,,Effect of Copper Slag As A Fine Aggregate on Properties of Concrete Zine Kiran Sambhaji1,, cubes of conventional concrete and Copper Slag concrete with partial replacement of 0%to100% of size 150mm x 150mm after 7 days immersion in water for curing. and 28 day cubes are in possess of curing. Table-1: Compressive Strength Result The mix with M25 grade ,the replacement30% and 50% gives high,The Synergistic Effect of Nano-Silica with Slag on Frost,,Supplementary cementitious materials could effectively improve the frost resistance of concrete. On this basis, the synergistic effect of nano-silica (NS) with slag on the frost resistance of concrete is better than the single, which was investigated. Nano-silica and slag were employed as a partial substitute of cement.Effect of Cementitious Blast-Furnace Slag on Chloride,,The permeability of concrete containing GGBF slag is less affected by increases in water-cement ratio than concrete containing regular portland cement alone. 3. The detrimental effects of accelerated curing on the permeability of concrete are virtually eliminated with cement blends containing GGBF slag greater than 50%. 4. Concrete containing GGBF slag may require less depth of cover to protect the reinforcing steel than those concretesslag (GGBF) in slab-on-grade concrete - Structural,,28/07/2005· Blast-furnace slag blended cement concrete tends to have better pumpability and can be used in mass concrete applications to reduce the peak temperature rise and tendency to crack due to heat development. Suggest you discuss with your ready-mix,,,