properties of nano silica in concrete ppt
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properties of nano silica in concrete ppt

Nano concrete ppt - SlideShare

Nov 01, 2016  NANO SILICA • It Is the first Nano product that replaced the micro silica. • Advancement made by the study of concrete at Nano scale have proved Nano silica much better than silica used in conventional concrete. Nano silica 14.

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Nano concrete ppt3 - SlideShare

Mar 14, 2011  nano concrete megha ballari and prachi borkar vi sem civil

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Nano Concrete Seminar PPT and PDF Report

Jun 07, 2016  Nano Concrete Seminar PPT and PDF Report. Nano materials. Carbon Nanotubes. Nano-silica. Polycarboxylates. Properties of carbon nano tubes. CNT are also highly flexible. Mechanically, CNT appear to be the strongest material. The smaller diameters. Stiffest and strongest fibers. Benefits of Nano Concrete

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Strength of Nano Concrete using Nano Silica

P.Vasanthi et.al (2017) studied the properties and durability of Nano Concrete and determined the compressive strength of cubes with 2% of nano silica on M40 grade that has been immersed in HCL (acid test), NaOH (alkaline test) and Na2SO4 (sulphate test). Materials used for the project Portland Pozzolana Cement (53 Grade) conforming and Gravel of

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NS Nano silica in concrete ppt - Silica Fume for Sale ...

Nano silica (also named as nano-silicon dioxide) is a kind of inorganic chemical material, commonly known as white carbon black. Because of its ultra-fine nano scale and its size range of 1-100nm, it has many unique properties, such as optical properties against

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MECHANICS PROPERTIES OF NANO-SILICA MATERIAL CONCRETE

This is indicated by slope of the curve known as Young’s modulus Ec. Modulus of elasticity of concretes with strengths in excess of about 45 MPa: E c 3350 f c ' 7030 MPa Table 7 Modulus of Elasticity Nano Silica Material Concrete Nano Silica (NS)

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Use of Nanomaterials in Concrete

Abstract- Concrete is a macro-material strongly influenced by its nano-properties.The addition of nano-silica (SiO2) to cement based materials can control the degradation of the calcium-silicatehydrate reaction caused by calcium leaching in water, blocking water penetration and leading to improvements in durability (Mann,

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MECHANICS PROPERTIES OF NANO-SILICA MATERIAL CONCRETE

This is indicated by slope of the curve known as Young’s modulus Ec. Modulus of elasticity of concretes with strengths in excess of about 45 MPa: E c 3350 f c ' 7030 MPa Table 7 Modulus of Elasticity Nano Silica Material Concrete Nano Silica (NS)

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Nano concrete ppt3

nano concrete megha ballari and prachi borkar vi sem civil

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Effect of nano silica on the compressive strength of concrete

Keywords: concrete, nano silica, compressive strength, microstructure. ii ... very effective in changing the properties of concrete at the ultrafine level by the virtue of their very small size. The small size of the particles also means a greater surface area (Alireza Naji Givi,

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Comparative Study of the Characteristics of Nano Silica ...

state properties, even when compared with conventional mineral additions 13-15. Among these nanoparticles, nano SiO 2 (nano silica, NS) is becoming an increasingly important component of special concretes and other advanced cement based materials 8,15-26. It consists of amorphous silicon dioxide with a particle size at nano scale, having a high ...

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Properties of concrete incorporating nano-silica Request PDF

Various studies have investigated the use of nano-silica in concrete [13]- [15] owing to the lower porosity and water demand with nanosilica-based activators. This is due to subsequent release of ...

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Use of Nanomaterials in Concrete

Abstract- Concrete is a macro-material strongly influenced by its nano-properties.The addition of nano-silica (SiO2) to cement based materials can control the degradation of the calcium-silicatehydrate reaction caused by calcium leaching in water, blocking water penetration and leading to improvements in durability (Mann,

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Properties of concrete incorporating nano-silica ...

Nov 01, 2012  Highlights Colloidal nano-silica was studied in concrete with and without fly ash. Two dosage levels of nano-silica in concrete mixtures were evaluated. Adding nano-silica enhanced the mechanical and micro-structural properties of concrete. Nano-SiO 2 enhanced properties through pozzolanic reaction and filler effect.

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(PDF) NANOMATERIALS FOR CONCRETE TECHNOLOGY TJPRC ...

By adding nS in the corresponding mixtures and accelerates setting time and compressive strength of concrete. Nano silica is used for the preparation of rock-matching grouting, gypsum particle board, additives in tile, workability increaser, anti bleeder etc.Li et.al [21] demonstrated the effect of addition of nS in high volume fly ash concrete ...

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(PDF) Application of nano-silica (nS) in concrete mixtures

The use of nano-silica reduces the CO 2 footprint of the manufactured concrete products and improves the properties in hardened state. Thus a concrete with better performance, lower costs and ...

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Nanotechnology in Concrete Materials

The properties of concrete exist in, and the degradation mechanisms occur across, multiple length scales (nano to micro to macro) where the properties of each scale derive from those of the next smaller scale (Figure 2, page 5). Nanoengineering of concrete can take place in one or more of the three

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Study of Effect of Nanomaterials as Cement Replacement on ...

mechanisms by which nano silica micro silica affects the flow properties of cementitious mixes. In India, the research work on use of nano silica is still in elementary stage. Thus, a need arises to study extensively the various properties of paste, mortar, and concrete containing

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Use of Nanotechnology in Cement-Based Materials

Nano-silica is effective additives to polymers and concrete, a development realized in high-performance and self–compacting concrete with improved workability and strength. Nano-silica addition to cement based materials control the degradation of the

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The effect of nano-SiO2 on concrete properties: a review

Above the threshold value, a higher amount of nano-SiO 2 leads to a decrease of the compressive strength.Nano-silica concrete with a nano-SiO 2 content of 1.5% provides the highest compressive strength. The compressive strength of Nano-silica modified concrete increases by 16%-25% at 7 days and 12%-17% at 28 days, compared with ordinary concrete.

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ENHANCING PROPERTIES OF CONCRETE BY USING NANO

To investigate the effect of nano-silica on the properties of conventional concrete the mix design is done according to IS 10262:2009. Strength properties of M40 grade concrete were studied. 3.2 Casting of test specimen In present study the specimen of standard cubes of size 150 X 150 X 150mm, cylinders of size 150mm diameter

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Nano concrete ppt3 - slideshare.net

Mar 14, 2011  nano concrete megha ballari and prachi borkar vi sem civil

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Nano Concrete PPT Play PPT

Nano particles used in the concrete will have a size ranging from few nanometers to 100 micrometers. If these nano particles are operated with nano tubes and sensible nano silica particles, then very strong and tough cement can be developed with increased properties. To know more about Nano Concrete, look at the below ppt:

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Investigation on Concrete Properties for Nano Silica ...

nano silica . the use of (1.6 %) naphthalene super plasticizer (NSP) with 0.45 w/c ratio reached a gain in strength equivalent to the use of (0.8 %) polycarboxylic super plasticizer (PSP) for mix containing 2 % nano silica. Keywords: Nano silica, concrete, plasticizers, workability, strength. 1. Introduction

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ENHANCING PROPERTIES OF CONCRETE BY USING NANO

To investigate the effect of nano-silica on the properties of conventional concrete the mix design is done according to IS 10262:2009. Strength properties of M40 grade concrete were studied. 3.2 Casting of test specimen In present study the specimen of standard cubes of size 150 X 150 X 150mm, cylinders of size 150mm diameter

Read More
Properties of concrete incorporating nano-silica Request PDF

Various studies have investigated the use of nano-silica in concrete [13]- [15] owing to the lower porosity and water demand with nanosilica-based activators. This is due to subsequent release of ...

Read More
Use of Nanomaterials in Concrete

Abstract- Concrete is a macro-material strongly influenced by its nano-properties.The addition of nano-silica (SiO2) to cement based materials can control the degradation of the calcium-silicatehydrate reaction caused by calcium leaching in water, blocking water penetration and leading to improvements in durability (Mann,

Read More
Study of Effect of Nanomaterials as Cement Replacement on ...

mechanisms by which nano silica micro silica affects the flow properties of cementitious mixes. In India, the research work on use of nano silica is still in elementary stage. Thus, a need arises to study extensively the various properties of paste, mortar, and concrete containing

Read More
(PDF) Application of nano-silica (nS) in concrete mixtures

The use of nano-silica reduces the CO 2 footprint of the manufactured concrete products and improves the properties in hardened state. Thus a concrete with better performance, lower costs and ...

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Strength of Nano Concrete using Nano Silica – IJERT

An increase of about 23-38 % and 7-14% at 7days and 28days respectively. Investigations on Nano-silica in concrete resultd in reduction in water absorption, coefficient of water absorption and permeability than Normal concrete. M.Saravanan et.al (2016) replaced the Nano-silica in various proportion such as 5%, 10%, 15%, 20% to the weigth of cement.

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Beneficial Use of Nano-Silica in Concrete: A Review

Nano-silica and its use in cement-based materials, especially concrete, has been the focus of many scientific studies. This is because cement production is an energy-intensive process and because concrete is the most used construction material worldwide.

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STUDY ON BEHAVIOUR OF NANO CONCRETE

Balasundaram et al (2016) The influence of Nano-Silica on various properties of concrete is obtained by replacing the cement with various percentages of Nano-Silica. Nano-Silica is used as a partial replacement for cement in the range of 2.5%, 3%, and 3.5% for M25 mix. Specimens are casted using Nano-Silica concrete. Laboratory tests were

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Experimental Study of the Effect of Nano-silica on the ...

Jun 27, 2019  In this study, the mechanical properties of concrete composites containing waste PET (polyethylene terephthalate) and nano-silica were investigated to produce the lighter, more flexible and high-strength concrete. For this purpose, the different content of nano-silica was added to concrete containing 10 wt.% of waste PET aggregates.

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Effect of nano-silica on mechanical properties and ...

nano-silica. The impact of nano-silica on the fresh properties of concrete was generally significant especially on the workability level in terms of slump values and setting times. This effect was expected due to the very small particle size of nano-silica having significantly larger surface area compared to other concrete components.

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STUDY OF STRENGTH PROPERTIES OF CONCRETE BY USING

grades of concrete with the use of micro silica (5%, 7.5%, 10%, 15%) and nano silica (1%, 1.5%, 2%, 2.5%) as partial replacement of cement were studied. It was found from the experimental study that concrete composites with superior properties can be produced using micro silica, nano silica and combination of micro silica and nano silica.

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