properties of nano silica in concrete ppt

Nanosilica As A Supplementary

Although many nanomaterials such as Nano-silica carbon nanotubes Nano-titanium oxide Nano-alumina and Nano-iron are available nanosilica 1-100 nm is the most commonly used nanomaterial as it was shown to improve both concrete strength and durability at the same time to a greater extent while other nanomaterials are able to modify only...

NANO CONCRETE

211 Addition of nanosized and nano-structured materials Nanosized particles have a high surface area to volume ratio providing the potential for tremendous chemical reactivity Much of the work to date with nanoparticles has been with nano-silica nano-SiO 2 and nano-titanium oxide nano-TiO 2...

Effect Of Nano silica On Mechanical Properties Of Recycled

The present experimental work deals with the effect of colloidal nano-silica on mechanical properties of concrete containing recycled coarse aggregate using five series of concrete mixes the first is the control mix containing of natural aggregates with no nano silica In second third fourth and fifth series containing 20 40 60 and...

Properties of concrete incorporating nano

Nov 01 2012 0183 32 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...

PDF EFFECT OF MICRO

EFFECT OF MICRO-SILICA AND NANO-SILICA ON MECHANICAL PROPERTIES OF CONCRETE...

Effect of nano silica on properties of concretes

fourth and fifth 1 and 2 by weight nano silica is added to concrete containing 25 RCA respectively Similar nano silica additions are used in the sixth and seventh series but the RCA content is 50 Compressive and tensile strengths of all concretes are evaluated after 7 28 and 56 d of water curing Concrete durability properties such as...

Nano Concrete Seminar PPT and PDF Report

Jun 07 2016 0183 32 Nano Concrete Seminar PPT and PDF Report Nano materials Carbon Nanotub Nano-silica Polycarboxylat Properties of carbon nano tub CNT are also highly flexible Mechanically CNT appear to be the strongest material The smaller diameters Stiffest and strongest fibers Benefits of Nano Concrete...

Properties and Applications of Silica Nanoparticles

Properti Silica nanoparticles are divided into P-type and S-type based on their structure The former nanoparticles are characterized by numerous nanopores featuring a pore rate of 061 ml/g The latter nanoparticles have a relatively smaller surface area In contrast to the S-type the P-type silica nanoparticles manifest a higher...

The effect of nano

Above the threshold value a higher amount of nano-SiO 2 leads to a decrease of the compressive strengthNano-silica concrete with a nano-SiO 2 content of 15 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...

NS Nano silica in concrete ppt

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...

EXPERIMENTAL INVESTIGATION ON BEHAVIOUR OF NANO

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 25 3 and 35 for M 25 mix Specimens are casted using Nano-Silica concrete...

Nano Concrete Ppt3 Nanotechnology Carbon Nanotube

Nano Concrete Ppt3 - Free download as Powerpoint Presentation ppt PDF File pdf Text File txt or view presentation slides online NANO...

An Overview on the Influence of Nano Silica in Concrete

Keywords Nano silica cement paste cement hydration concrete flowability mechanical properties Introduction Concrete is a highly heterogeneous material produced by mixture of finely powdered cement aggregates of various sizes and water with inherent physical chemical and mechanical properti...

PDF THE USE OF NANOPARTICLE ADMIXTURES TO IMPROVE THE

Concrete can be nano-engineered by incorporating nano-sized building blocks or objects eg nanoparticles and nanotubes to control material behavior and add novel properties or by grafting...

The Effect of Nano Silica on Mechanical Properties of Concrete

The present work concentrates principally towards the addition of Nano silica particles in colloidal form with the reference concrete mix The cement was replaced with fly ash at 10 15 20 and 25 in concrete mixture In addition to this 1 and 2 of Nano silica was used in concrete to enhance the fresh and hardened properties of concrete...

Compressive strength prediction of nano

Feb 05 2017 0183 32 Nano-silica Nano-SiO 2 is found to be a promising material on this regard Many experimental investigations have been carried out on evaluating the effects of replacing cement in cement paste/mortar/concrete with nano-silica at small replacement levels Most of these studies indicate that nano-silica increases the strength...

Use of Nanomaterials in Concrete

Abstract- Concrete is a macro-material strongly influenced by its nano-propertiThe 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...

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 32 Casting of test specimen In present study the specimen of standard cubes of size 150 X 150 X 150mm cylinders of size 150mm diameter...

Nano Concrete Nanotechnology Concrete

NANO SILICA Is the first nano product that replaced the micro silica Advancement made by the study of concrete at nano scale have proved nano silica as much better than silica used in conventional concrete PROPERTIES OF NANO SILICA High compressive strengths concret High workability with reduced water/cement ratio...

Influence of Nanosilica on Properties of Ternary Blended

like nano silica silica fume are used along with cement in concrete mix While using the nano silica solution in concrete the original water cement ratio of concrete mix is to be corrected by the amount of water available in nano silica solution Fig1 Slump values Fig 2 Compacting factor 0 5 10 15 20 25 30 35 CM NS0 NS1 NS2 NS3 6/803 PP 0...

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...

Investigation on Concrete Properties for Nano Silica

nano silica the use of 16 naphthalene super plasticizer NSP with 045 w/c ratio reached a gain in strength equivalent to the use of 08 polycarboxylic super plasticizer PSP for mix containing 2 nano silica Keywords Nano silica concrete plasticizers workability strength 1 Introduction...

Experimental Analysis of Mechanical Properties on Concrete

In the current scenario nanotechnology and nanomaterials are emerging as key role in engineering and medical industri The objective of this research is to increase the usage of fly ash in concrete to enhance the strength properties of concrete mixed with nano silica and to reduce the emission control caused by CO2 discharged from cement manufacturing industri...

Experimental Study of the Effect of Nano

Jun 27 2019 0183 32 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 aggregat...

STUDY ON EFFECT OF ALCCOFINE AND NANO SILICA ON

Keywords Blended Concrete Strength Durability Alccofine Nano Silica Cite this Article A Narender Reddy P Mounika and R Moulika Study on Effect of Alccofine and Nano Silica on Properties of Concrete - A Review International Journal of Civil Engineering and...

NANOMATERIALS AND NANOTECHNOLOGIES FOR CIVIL

Concrete is a macro-material strongly influenced by its nano-properti 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...

Transport Properties of Nano

of nanosilica- Improvement in transport properties increased with increases of nano-silica replacing a portion of cementitious materials as well as extension of curing age A comparison of transport properties between nano-silica contained SCCs their and equivalent silica fume micro silica contained SCCs revealed a slightly better...

Effect of mixing methods of nano silica on properties of

The effect of presoaking of recycled coarse aggregate RCA in nano silica NS solution on the properties of recycled aggregates concrete is compared with the direct mixing of NS in concrete In this study four series of concrete are considered...

The Effect of Nano Silica on Mechanical Properties of Concrete

Oct 25 2018 0183 32 The present work concentrates principally towards the addition of Nano silica particles in colloidal form with the reference concrete mix The cement was replaced with fly ash at 10 15 20 and 25 in concrete mixture In addition to this 1 and 2 of Nano silica was used in concrete to enhance the fresh and hardened properties of concrete...

EXPERIMENTAL STUDY ON HIGH STRENGTH CONCRETE

100 nm Nano technology applied to concrete includes the use of nano materials like nanosilica Sobolev and Gutierrez2005 Nano silica improves the microstructure water and reduced the permeability of concrete thus making it more dense and durable Sham Sai Perotiet etal 2012 Nano silica can be used as an additive to eco concrete mixtur...