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effect of slag as a fine aggregate on mechanicaleffects of microsilica content on the

Current Location : Home > effect of slag as a fine aggregate on mechanicaleffects of microsilica content on the

  • (PDF) A Review of Effect of Micro Silica in Concrete

    Microsilica also known as Silica fume is fine amorphous silica. Added to concrete at around 30kg/m 3 it changes the rheology and reacts with the cement hydration products to dramatically improve concrete strengths durability and impermeability allowing concrete to be used in ways never before possible 2 .

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  • CHARACTERISATION OF STEEL INDUSTRY SLAG SUITABILITY

    FeCr slag fine aggregates (0-4 mm) was selected for characterisation. Approximately 40 wt of the studied FeCr slag (0-4 mm) aggregates are above 2 mm. For under 2 mm sieved fraction Dv (10) value is 411 μm and Dv (50) value is 1230 μm. Effect of microsilica addition _ Journal of Asian Ceramic Societies 2 (2014). 6. P.

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  • CHARACTERISATION OF STEEL INDUSTRY SLAG SUITABILITY

    FeCr slag fine aggregates (0-4 mm) was selected for characterisation. Approximately 40 wt of the studied FeCr slag (0-4 mm) aggregates are above 2 mm. For under 2 mm sieved fraction Dv (10) value is 411 μm and Dv (50) value is 1230 μm. Effect of microsilica addition _ Journal of Asian Ceramic Societies 2 (2014). 6. P.

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  • effects of slag addition on the crushing strength of

    Also in this study we investigated the effect of addition of microsilica up to 4 wt. on the EFFECT OF THE SETTING AGENT (LIME) ON Effect of glass content in slag on (a) the compressive strength development of In the present study effects of replacement of fine aggregate (sand) with high Compressive Strength Cement

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  • BENEFITS OF HIGH STRENGTH MICROSILICA CONCRETE IN

    1.2 Effect of microsilica on the concrete mixture Well-dispersed microsilica particles which have packed around aggregate particles during concrete mixing and placing will modify the interfacial transition zone between the cementitious paste and the particles of aggregate. In

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  • EFFECT OF MICRO-SILICA AND NANO-SILICA ON

    was achieved at 8 microsilica and 2 nanosilica when we are using the mixture of both. Key words Concrete Microsilica Nanosilica Compressive strength Flexural strength curing experiments. Cite this Article Neeraj Kumar Bhagat and Jagdeep Singh Gahir Effect of Micro-Silica and Nano-Silica on Mechanical Properties of Concrete.

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  • Refractory admixture silica fumemicrosilica-fume

    2. Add coarse aggregate 75 water micro silica 50 fine aggregate and stirred for 15-30 seconds then put cement additive 50 fine aggregate 25 water and stirred. Stirring time is 20-25 longer than that of ordinary cement or 50-60. Avoid

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  • Properties of SCC containing pozzolans Wollastonite micro

    Aug 12 2019 · Normal pavement quality concrete with a W/C ratio of 0.36 and flexural strength of 4.5 MPa was designed as per IRC 44. It had cement fine aggregate and coarse aggregate content of 450 kg/cum 710 kg/cum and 1060 kg/cum respectively which resulted in fine aggregate to a coarse aggregate ratio of 0.40.

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  • PROPOSAL NOTE BOILER-PLATE PROPOSAL NOTE

    Slag 1355 1295 510 150 0 0.40 Class HP4 (GGBF Slag Microsilica) Aggregate Fine Aggregate #8 Coarse Aggregate Blended Cement Content GGBF Slag Micro-Silica Water to Cementitious Type (lb) (lb) (lb) (lb) (lb) Ratio Max Gravel 1370 1475 470 190 0 0.40 Limestone 1370 1490 470 190 0 0.40 Slag 1370 1295 470 190 0 0.40

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  • BENEFITS OF HIGH STRENGTH MICROSILICA CONCRETE IN

    1.2 Effect of microsilica on the concrete mixture Well-dispersed microsilica particles which have packed around aggregate particles during concrete mixing and placing will modify the interfacial transition zone between the cementitious paste and the particles of aggregate. In

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  • Effect of Microsilica and fly ash on the strength of concrete

    bottom in a slag form. Further processing of this yields microsilica after intense cooling and condensation. This byproduct can be even-tually used to strengthen concrete. 43 of . 1. 3. 4. Table2 Components of concrete . Content Quantity Cement 350 kg/m 3 Fly ash 43 of cement Micro silica 5 of cement Fine aggregate 700.3kg/m 3

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  • (PDF) Effects of Microsilica Content on Microstructure and

    Effects of microsilica content on the porosity strength and slag resistance of lightweight castables were investigated through the mercury porosimetry measurement XRD SEM EDAX and so on.

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  • Concrete mineral admixturesSlideShare

    Jun 11 2018 · Concrete mineral admixtures 1. MINERAL ADMIXTURES IN CONCRETE Prepared By S.INDHU M.E.-STRUCTURAL ENGINEERING 2. INTRODUCTION Admixtures are added in concrete to improve the quality of concrete. Fly ash (FA) silica fume (SF) ground granulated blast furnace slag (GGBS) Metakaolin (MK) and rice husk ash (RHA) Possess certain characteristics through which

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  • Fly Ash Slag Silica Fume and Natural Pozzolans Chapter 3

    Ground slags have variable effects on the required dosage rate of air-entrain- ing admixtures. Silica fume has a marked influence on the air-entraining admixture requirement which in most cases rapidly increases with an increase in the amount of silica fume used in the concrete.

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  • Fine And Ultrafine Materials For Concrete Durability

    A comparative study on slump and strength development of M60 grade of concrete containing densified micro silica and ultrafine slag was done. Binder content and dosage of ultrafine slag was kept same. (OPC 53 430 kg/cu m fly ash 80 kg/cu m micro silica / ultra-fine slag 40 kg/cu m).

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  • Effect of Microsilica-Hasan Katkhuda 11

    The SiO2 content was 20 and 91 in OPC and MS respectively. Aggregates Table 2 shows grain size distribution and properties of the coarse and fine aggregates used. The coarse aggregates had a maximum aggregate size of 20 mm a water absorption of 4 and a specific gravity of 2.60. The fine aggregates had a water absorption of 6.6 and

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  • 4 Pumpable concrete Concrete pumping and spraying

    As the fine solids content is 5-0 the amount of fine aggregate is 5-0 x 880 x 3100/2650 = 51 kg. Therefore the total fine solids content is 310 51 kg = 361 kg. This is within the limits (Table 7) of fine solids for 1901 of water. Fig. 66 shows the effect of slag on the temperature rise due to heat of hydration. if the microsilica

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  • PROPOSAL NOTE DESIGN BUILD

    Class HP3 (Fly Ash Microsilica) Aggregate Fine Aggregate #8 Coarse Aggregate Blended C em nt Content Fly Ash Micro-Silica Water to Cementitious Type (lb) (lb) (lb) (lb) (lb) Ratio Max Gravel 1355 1475 510 150 0 0.40 Limestone 1355 1490 510 150 0 0.40 Slag 1355 1295 510 150 0 0.40 Class HP4 (GGBF Slag Microsilica) Aggregate Fine Aggregate #8

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  • Effect of Copper Slag As A Fine Aggregate on Properties of

    Copper slag as a substitute for conventional fine aggregate with partial or full replacement using M25 grade concrete The main objective is to encourage the use of these seemingly waste products as a construction material. In this paper the effect of using copper slag as a fine aggregate

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  • A Study on Investigation of Micro Silica as Partial

    Metakaolin Fly-ash Ground Granulated Blast Furnace Slag (GGBS) etc. In this work micro silica is used for partial Split tensile strength Concrete Microsilica Pozzolona Cement . 1. INTRODUCTION . Concrete structures are exposed to harsh environments and are IS 383 1970 Specification for Coarse and Fine Aggregates from Natural

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  • Partial Replacement of Cement with GGBS in Self

    B. Fine aggregates The river sand is used as fine aggregate conforming to the requirements of IS . Having specific gravity of 2.62 and fineness modulus of 2.86 has been used as fine aggregate for this study. C. Coarse Aggregate Coarse aggregate obtained from local quarry

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  • BENEFITS OF HIGH STRENGTH MICROSILICA CONCRETE IN

    1.2 Effect of microsilica on the concrete mixture Well-dispersed microsilica particles which have packed around aggregate particles during concrete mixing and placing will modify the interfacial transition zone between the cementitious paste and the particles of aggregate. In

    Get Price
  • Fly Ash Slag Silica Fume and Natural Pozzolans Chapter 3

    Ground slags have variable effects on the required dosage rate of air-entrain- ing admixtures. Silica fume has a marked influence on the air-entraining admixture requirement which in most cases rapidly increases with an increase in the amount of silica fume used in the concrete.

    Get Price
  • Effect Of Copper Slag As A Fine Aggregate On Properties Of

    Copper slag as a substitute for conventional fine aggregate with partial or full replacement using M25 grade concrete The main objective is to encourage the use of these seemingly waste products as a construction material. In this paper the effect of using copper slag as a fine aggregate on properties of cement mortars and concrete various

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  • Effect of copper slag as a fine aggregate on the

    Feb 01 2011 · To study the effect of copper slag substitution as a replacement for fine aggregates on the strength of cement mortars specimens were prepared with different percentages of copper slag (by weight). The percentages of copper slag added were as follows 0 (for the control mix) 20 40 50 60 80 and 100 .

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  • Study on performance of concrete with over-burnt bricks

    Oct 11 2016 · The present study focuses on the effects of microsilica at various percentages as a partial cement replacement in concrete with over-burnt bricks as coarse aggregates. The mechanical properties of hardened concrete such as splitting tensile strength flexural strength and compressive strength are studied and analyzed.

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  • Strength and durability characteristics of binary blended

    Sep 12 2020 · Concrete is an important construction material. However the consumption of natural aggregates in concrete production is responsible for depleting natural resources. Utilization of construction waste as recycled aggregate to replace natural aggregate in concrete construction is a great way to save the natural aggregate and manage the construction waste in an efficient manner.

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  • Effects of steel slag as fine aggregate on static and

    Dec 20 2018 · The aim of the present study is to investigate the effects of the addition of steel slag as fine aggregate on the static and impact behaviours of cement concrete. We conducted a series of compression test and SHPB test to determine the failure mode compressive strength elastic modulus expansion coefficient and dynamic increasing factor (DIF

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  • PROPOSAL NOTE BOILER-PLATE PROPOSAL NOTE

    Slag 1355 1295 510 150 0 0.40 Class HP4 (GGBF Slag Microsilica) Aggregate Fine Aggregate #8 Coarse Aggregate Blended Cement Content GGBF Slag Micro-Silica Water to Cementitious Type (lb) (lb) (lb) (lb) (lb) Ratio Max Gravel 1370 1475 470 190 0 0.40 Limestone 1370 1490 470 190 0 0.40 Slag 1370 1295 470 190 0 0.40

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