Silica fume - Wikipedia

Silica fume, also known as microsilica, (CAS number 69012-64-2, EINECS number 273-761-1) is an amorphous (non-crystalline) polymorph of silicon dioxide, silica.It is an ultrafine powder collected as a by-product of the silicon and ferrosilicon alloy production and consists of spherical particles with an average particle diameter of 150 nm.

high performance concrete using fumed silica seminar report

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Alibaba.com offers 164 silica fume concrete ppt products. About 46% of these are silica, 27% are concrete admixtures & mortar admixtures, and 12% are oxide. A wide variety of silica fume concrete ppt options are available to you, such as silica powder, silica quartz.

Silica fume concrete - SlideShare

Jan 26, 2017· SILICA FUME CONCRETE Silica fume is an artificial pozzolona having high pozzolonic activity. It is a By- product from an electric arc furnace used in manufacture of silicon metal or silicon alloy. It has high silica content of more than 80%. It is an excellent for use as a portland cement supplement. 4. SILICA FUME CONCRETE 5.

Metakaolin - Advanced Cement Technologies

PowerPozz™ () – an amorphous alumino-silicate, is white in color and is a proven alternative to Silica Fume. From elegant interior concrete fixtures, to large High Performance Concrete infrastructure projects, PowerPozz™ () has exceeded the design and performance criteria demanded by architects and engineers.

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Feb 07, 2010· study on ggbs and silica fume pdf, download as ppt investigation of concrete, ppt about use of silica fumes in high performance, ggbs in concrete, seminar topic for high performance concrete using industial byproducts, high performance concrete m60 silica fumes, ppt high performance concrete using industrial byproducts,

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Silica Fume In Concrete

Silica Fume In Concrete Silica Fume in Concrete . Produced through a partnership program between the SFA and the Federal Highway Administration . This presentation covers all aspects of using silica fume in concrete and can be viewed directly in your browser.

Silica Fume Topic - American Concrete Institute

Silica fume, a by-product of the ferrosilicon industry, is a highly pozzolanic material that is used to enhance mechanical and durability properties of concrete. It may be added directly to concrete as an individual ingredient or in a blend of portland cement and silica fume. In the United States, silica fume is used predominantly to produce concrete with greater resistance to chloride ...

high performance concrete using fumed silica ppt

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Ultra High Performance Concrete | Concrete | Engineering

DEFINITION Ultra-High Performance Concrete (UHPC), also. known as reactive powder concrete(RPC), is a highstrength, ductile material formulated by combining Portland cement, silica fume, quartz flour, fine silica sand, high-range water reducer, water, and steel or organic fibbers. PROPERTIES OF UHPC

High Performance Concrete Using Fumed Silica - nbmcw.com

In the present study a series of 5 batches of concrete were cast containing fumed silica and the material properties were determined. These properties include compressive strength and permeability. The test results are compared with the values for high performance concrete without fumed silica as a reference mix. Introduction

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PPT- Alfa Aesar Silica 1/8" pellet . -007-CT . 10/90 Co/a-SiO2 . ppt. 10% NanoAmorphous Silica . ... It is also known as Reactive Powder Concrete (RPC) It is a high strength, ductile material formulated by combining portland cement, silica fume, quartz flour, fine

Successful Use of Fumed Silica in Liquid Systems

Oct 01, 2001· Successful Use of Fumed Silica in Liquid Systems. October 1, 2001. ... High shear dispersion (HSD) using an aggressive saw-tooth type blade is the minimum shear that is required for AEROSIL grades with surface areas of 90-200 (both hydrophilic and hydrophobic). ... Performance of all fumed silica grades normally improves with increasing shear ...

S T UDY ON HIGH PERFORMANCE CONCRETE USING …

S T UDY ON HIGH PERFORMANCE CONCRETE USING FUMED SILICA AND SULPHONATED MELAMINE FORMALDEHYDE D AVINAS 1, M.MADHUMITHA, 2 *1 PG Student, New Prince Shri Bhavani College of Engineering and Technology, Chennai, Tamilnadu, India. *2Assistant Professor, New P rince Shri Bhavani College of Engineering and Technology, Chennai, Tamilnadu, India.

high strength concrete - UnivAQ

The particular advantage of using silica fume as a very fine and reactive pozzolan for use in high performance concrete was rapidly recognized. By using silica fume, it has been shown that it is possible to make workable concretes with compressive strengths in the 100 to 150MPa range.

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High-Performance Concrete. Requirements. Resist chloride ion penetration Minimize cracking. 7 Concrete Mixture. Portland cement 300 kg/m3 Fly ash 80 kg/m3 Silica fume 25 kg/m3 w/cm 0.40 Slump 75-100 mm Air 6.5 Wet cure 7 days. 8 Concrete Performance. Rapid chloride permeability lt 1,600 coulombs Compressive strength, 28 days gt 37 MPa

Silica Fume in Concrete - SlideShare

Nov 13, 2016· silica fume in concrete 1. silica fume in concrete presented by: kanav chandan 73-ce/l-12 2. contents silica fume (definition, summary, etc.) metals that produce silica fume. silica fume health issues. physical properties. silica fume in concrete & its effect. silica fume concrete: typical strength corrosion protection by silica fume. silica fume & the environment.

Production of High-Performance Silica Fume Concrete

Silica fume, is an amorphous polymorph of silicon dioxide, silica. The major field of usage is as pozzolanic material for high performance concrete (SFA, 2011). It is sometimes confused with fumed silica. However, the production process, particle characteristics and fields of application of fumed silica are all different from those

High-Performance Concrete, Chapter 17

High-Performance Concrete • High modulus of elasticity • High abrasion resistance • High durability and long life in severe environments ... Silica fume (or other supplementary cementing mate-rials) 8. Steam or autoclave curing 9. Insulation to retain heat of hydration 10. Special rapid hardening cements.

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