WHAT WE DO IS TO MAKE THE WORLD BETTER !

nano silica for concrete in Iran

image

ASR in Concrete — PART 5 – Intelligent Concrete – Medium

Since the U.S. Army Corps of Engineers experience with nano silica in grout mixtures, the use of nano silica in cement composites and concrete has ranged from 0.01–10.9% replacement of OPC by ...

Contact Supplier

image

Effective Analysis on Addition of Micro Silica and Nano ...

Nano silica Nano silica is a new pozzolanic material in the form white amorphous material which has nowadays proven to be better than other pozzolanic materials. It is generally available in the form of colloidal silica. It is believed that by using nano silica it prevents in the early cracking of concrete in the pavement structure. TABLE 2.

Contact Supplier

image

Effect of nano silica on the compressive strength of concrete

strength of the concrete. This study is an attempt to explain the impact of a nano-silica on the compressive strength of concrete by explaining its microstructure. 1.3 OBJECTIVE OF THE STUDY The main objectives of the present study are as mentioned below: To study the effect of nano-silica on the compressive strength of concrete.

Contact Supplier

image

Comparative Study of the Effects of Microsilica and ...

Comparative Study of the Effects of Microsilica and Nanosilica in Concrete Paramita Mondal, Surendra P. Shah, Laurence D. Marks, and Juan J. Gaitero It is well recognized that the use of mineral admixtures such as silica fume enhances the strength and durability of concrete. This research

Contact Supplier

image

Optimizing Compressive Strength of Micro-and Nano-silica ...

Available online at Civil Engineering Journal Vol. 3, No. 11, November, 2017 Optimizing Compressive Strength of Micro- and Nano-silica Concrete by Statistical Method Mahsa Zarehparvar-Shoja a, Hamid Eskandari-Naddaf b* a BS student, Department of Civil Engineering, Hakim Sabzevari University, Sabzevar, Iran.

Contact Supplier

image

AN INVESTIGATION OF NANO SILICA (SiO ) IN THE CEMENT ...

– Nano Silica a pozzolanic materialNano Silica, a pozzolanic material • Introduced in the new millennium • What has been investigated – A nano silica changing a microscopic crystal structure which has macroscopic affects.

Contact Supplier

image

Comparison of High Performance Fly Ash Concrete Using …

Concrete Using Nano Silica Fume on Different Mixes S. Suresh Sankaranarayannan1, J. Revathi Jagadesan2 1Department of Civil Engineering, Sona College of Technology, Salem, ... [21]. The addition of nano silica improved the performance of cementitious system by controlling the C-S-H degradation under aggressive condition of calcium leaching process.

Contact Supplier

image

Effect of Nano Silica in Rice Husk Ash Concrete

Application of Nano Silica Nano silica is applied in HPC and SCC concrete mainly as an anti-bleeding agent. It is also added to increase the cohesiveness of concrete. It reduces the segregation tendency.Nano silica fills the voids in the young and hardened state. The addition of 1kg of micro silica permits the reduction of about 4kg of cement.

Contact Supplier

image

Comparison of Mechanical of the Concrete Samples ...

reaction. Therefore, nano-silica has high level of energy and atoms activity will react with outside atoms and as a result pozolan actions of nano-silica will be much more than micro-silica. This seems reasonable according to the surface of nano-silica which is more than silica soot. The use of nano-silica in concrete leads to micro-

Contact Supplier

image

STUDY ON EFFECT OF MICRO SILICA AND NANO SILICA IN ...

are micro silica and nano silica, which is a by-product in the production of elemental silica or alloys containing silicon. The main objective of this work is to study the effects of incorporation of micro silica and nano silica in polyester fibre reinforced concrete mix as a …

Contact Supplier

image

Comparative Study of the Characteristics of Nano Silica ...

Comparative Study of the Characteristics of Nano Silica–, Silica Fume– and Fly Ash–Incorporated Cement Mortars Hasan Biricika, ... any other type of concrete, particularly in structures with large surface areas12. Recently, impregnation of nanoparticles into ordinary

Contact Supplier

image

A Review of Effect on Compressive Strength of Concrete ...

A Review of Effect on Compressive Strength of Concrete After Addition of Nano-Silica Renu Tiwar1, Neha Gupta2 1Department of Civil, Dr. C.V. Raman University, Bilaspur (C.G.) ... Key words: Concrete, Nano silica, Compressive strength. I. Introduction Concrete is the material of present as well as future. There are the wide use of it in ...

Contact Supplier

image

Life Science Journal 2013;10(2) ...

Effect of Nano Particles on Self Compacting Concrete: An Experimental Study Amirhossein ... Engineering, Amirkabir University of Technology, Tehran, Iran 2Department of Architecture, Islamic Azad University-Qeshm Branch, Iran 3Department ... properties and characteristics of concrete with nano-silica particles, most of them focus on the ...

Contact Supplier

image

Experimental study of the effect of water to cement ratio ...

3 Assistant Professor, Department of Civil Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran. Abstract: In the present paper, the effect of Nano silica on mechanical properties and durability of concrete containing polypropylene fibers has been investigated.

Contact Supplier

image

Investigating the Performance Characteristics of Asphaltic ...

Investigating the Performance Characteristics of Asphaltic Concrete Containing Nano-Silica: ... 1 assistant professor, civil engineering department, university of zanjan, zanjan, Iran: 2 graduate in highway and ... G. and Brouwers, H.J.H. (2010). "Application of nano-silica (nS) in concrete mixtures", In 8 th Fib International Ph.D ...

Contact Supplier

image

Investigating the creep properties of asphaltic concrete ...

Investigating the creep properties of asphaltic concrete containing nano-silica HASAN TAHERKHANI1,* and SIAMARK AFROOZI2 1Department of Civil Engineering, University of Zanjan, Zanjan 45371-38791, Iran 2Department of Civil Engineering, Highway and Transportation Engineering, University of Zanjan, Zanjan 45371-38791, Iran e-mail: [email protected]

Contact Supplier

image

An Overview on the Influence of Nano Silica in Concrete ...

chloride ion test results indicate the nano-silica concrete has better permeability resistance than the normal concrete. With advent of supplementary cementitious materials and other siliceous and aluminous materials, today's concrete technology has achieved enormous potential applications, by the way of . 2 2 2. 17-24 (2013) Res. J. Recent.

Contact Supplier

image

"Transport Properties of Nano-Silica Contained Self ...

Transport properties of nano-silica SCCs were also compared to those of equivalent silica fume (micro silica) contained concretes, as well as those of control mixture (concrete without nano or micro silica). Test results showed that all transport properties of SCCs improved with inclusion of nano-silica.

Contact Supplier

image

STRENGTH AND MECHANICAL PROPERTIES OF NANO FLY …

The concrete made with nano fly ash have been under gone the mechanical test properties such as compressive strength test, split tensile test and modulus of rupture for the grade of M20. These test results are compared with conventional, Raw flay ash and Nano silica concrete. KEYWORDS: concrete, nano fly ash, mechanical properties. INTRODUCTION

Contact Supplier

image

Effect of Nano Silica fume on Concrete

nano silica and condensed silica fume (CSF) are used along with cement in high strength concrete mixes. 2. 3.0% of nano silica appears to be the optimum in the high strength concrete mixes like M60. The highest compressive strength with 3.0% of nano silica and and 5% of CSF appears to be optimum in the present blended concrete mixes. 3.

Contact Supplier

image

EFFECT OF NANO-SILICA ON CONCRETE CONTAINING …

concrete prepared with Nano-Silica containing different percentages of Metakaolin is also shown in Fig.2 The compressive strength of concrete initially increases up to 2% of Nano-Silica and then the strength decreased with increase in Nano-Silica for 5% and 10% Metakaolin. This can be attributed to the non-availability of sufficient

Contact Supplier

image

Experimental study of the effect of water-cement ratio on ...

Department of Civil Engineering, Islamic Azad University, Mahabad, Iran Abstract The effect of water-cement ratio on abrasion resistance, porosity and hydraulic conductivity coefficient of Nano silica concrete have been studied in this research (paper).

Contact Supplier

image

Influence of Nano-Sio2 and Microsilica on Concrete ...

Influence of Nano-Sio2 and Microsilica on Concrete Performance ... [Li, G., 2004]. In the present work, try have been done to assess the simultaneous effect of nano and micro silica on concrete performances. MATERIALS AND TESTING PROGRAM Crushed stone, with 19 mm maximum nominal size, in two ranges of 5-10 and 10-19 with relative density at ...

Contact Supplier

image

Prediction of combined effects of fibers and nano- silica ...

all 70 samples, all variables were the same except for the fiber type and contents of fibers and nano-silica. The sample with Water/cement (nano-silica + cement) ratio of 0.39 and the sample with no fibers and nano-silica were considered as the control sample (Vf in Table (3) is the volume percent of fiber, i.e. fiber to concrete volume ratio).

Contact Supplier

image

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

Application of nano-silica (nS) in concrete mixtures Conference Paper (PDF Available) · June 2010 with 10,610 Reads Conference: 8th fib PhD Symposium in Civil Engineering, At Lyngby, Denmark

Contact Supplier

image

Iran made Nano Silica from Rice Straw, Karaj city ساخت ...

 · Iran made Nano Silica from Rice Straw, Karaj city ساخت نانو سيليكا از كاه و كلش برنج كرج ايران ...

Contact Supplier

image

The experimental assessment of the effect of polypropylene ...

5 Department of Civil Engineering, Arak Branch, Islamic Azad University, Arak, Iran: Abstract: In this study the influence of water-cement ratio on the mechanical properties (compressive, abrasion, tensile, flexural strength and permeability) of Nano-silica concrete reinforced with …

Contact Supplier

image

University of Sistan & Baluchestan

Improvement of concrete properties containing Taftan Pozzolan, using Nano Silica Authors:Mehravaran, M., and Sohrabi, M. R. Conference: 5th National Congress on Civil Engineering

Contact Supplier

image

Evaluating the effect of Crumb rubber and Nano silica on ...

weight of cement is regarded as a high volume fly ash concrete (Mehta and Monteiro 2006). In order to use fly ash efficiently in RCC, one of the ways of solving the problems associated with fly ash is introducing Nanomaterials such as Nano silica to the concrete containing fly …

Contact Supplier

image

Properties of concrete containing GGBF slag and nano-silica

Repository Citation. Islam, Mohammad Sajjadul, "Properties of concrete containing GGBF slag and nano-silica" (2015). UNLV Theses, Dissertations, Professional Papers, and Capstones.

Contact Supplier

image

Optimizing Compressive Strength of Micro- and Nano-silica ...

Optimizing Compressive Strength of Micro- and Nano-silica Concrete by Statistical Method In recent years, the use of nano-particles to improve the properties of concrete has created a new perspective on concrete technology.

Contact Supplier

image

Effect of Nano Silica in Rice Husk Ash Concrete

Nano silica is applied in HPC and SCC concrete mainly as an anti-bleeding agent. It is also added to increase the cohesiveness of concrete. It reduces the segregation tendency.Nano silica fills the voids in the young and hardened state. The addition of 1kg of micro silica permits the reduction of about 4kg of cement. It can improve the

Contact Supplier

image

SID.ir | INVESTIGATION OF THE EFFECTS OF NANO-SILICA ON ...

The effects of adding Nano-Silica particles on the compressive strength and water permeability of concrete and its comparison with that of Micro-Silica were investigated in this work.

Contact Supplier

image

Synthesis of a Green Nano-Silica Material Using ...

nano-silica in conventional vibrated concrete can reduce the CO. 2. emissions by 3% and increase the compressive strength by 20%. 1.2. Application of Nano-Silica in Concrete . Concrete is the most widely used construction material and consists of water, aggregates and cement. World

Contact Supplier

image

REDUCTION OF CEMENT CONSUMPTION BY THE AID OF …

20% reduction of cement combining 2% silica nano-particles and also 10% cement reduction combined with 1% silica nano-particles enhance the microstructure of concrete, despite unnoticeable compressive and tensile strength loss.

Contact Supplier