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Journal of Materials in Civil Engineering

Mix Design Method for Self-Compacting Recycled Aggregate Concrete and Its Microstructural Investigation by Considering Adhered Mortar in Aggregate Prashant Kumar Gupta Puja Rajhans Effects of Titanium Dioxide on the Structure and Properties of Bitumen Sandra Weigel Diana Simnofske Philipp Rckert Get price

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Concrete with Nanoparticles

The 2-year strength of the developed concrete was 115 9 MPa (higher than the strength of reference portland cement concrete of ~103 7 MPa) Collepardi et al 36 37 investigated low-heat self-compacting concretes with mineral additives (ground limestone fly-ash and ground fly Get price

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Journal of Materials in Civil Engineering

Fresh and Hardened States of Distinctive Self-Compacting Concrete with Marble- and Phyllite-Powder Aggregate Contents Beatriz C Xavier Emerson Verzegnassi Ausdinir D Electromagnetic Wave-Absorbing Property and Mechanism of Cementitious Composites with Different Types of Nano Titanium Dioxide Zhen Li Sufen Dong Xinyue Wang Get price

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Use of Nanotechnology in Cement

Nano concrete containing carbon nanotubes can be used for both strengthening and creating electric circuits Recently Wang et al [10] has demonstrated the use of nanoclays in the making of self compacting concrete for improve it for slipform paving for the construction of concrete road Get price

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Depolluting (Photocatalytic) Concrete

Titanium dioxide (TiO2) a white pigment is the primary catalytic ingredient and can be incorporated in the cement manufacturing process When activated by the energy in light the white pigment creates a charge that disperses on the surface of the photocatalyst and reacts with external substances to decompose organic compounds Get price

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Nano Concrete

Feb 10 2018Types of materials used in Nano Concrete are listed below Nano Cement Particles Nano Silica (nano-SiO2) Carbon Nano tubes Polycarboxylates Titanium oxide (nano-TiO2) 12 2 Materials Nano-silica and nano-titanium dioxide are probably the most reported additives used in Nano-modified concrete Get price

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Influence of Nano

Photocatalytic cementitious materials are used in the exterior of the buildings and infrastructure for self-cleaning and air-purifying purposes These materials are exposed to the aggressive exposure conditions like acid rain runoff water and are subjected to the deterioration due to the leaching of calcium The knowledge of leaching attack upon photocatalytic cementitious materials after the Get price

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Nanomaterials in cement

Nanomaterials affect cement and concrete in different ways including their processing conditions released CO2 emissions service life and functionalities Addition of nanoparticles is leading to stronger more durable self-healing air purifying fire resistant easy to clean and quick compacting concrete Get price

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Types of concrete

During the 1980s Okamura and his Ph D student Kazamasa Ozawa at the University of Tokyo developed self-compacting concrete (SCC) which was cohesive but flowable and took the shape of the formwork without use of any mechanical compaction SCC is known as self-consolidating concrete in the United States SCC is characterized by the following Get price

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Corresponding author

concrete (SCC) with different amount of titanium dioxide (TiO2) nanopowder have been investigated TiO2 nanopowder up to 5 wt % were partially added to self compacting concrete and various rheological properties of the concrete have been measured Rheological properties were investigated through slump flow time and diameter V-Get price

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Intelligent Concrete with Self

Concrete S (2005) The European Guidelines for Self-Compacting Concrete Domone PL (2007) A review of the hardened mechanical properties of self-compacting concrete (2010) Laboratory investigation of the effect of mixed nitrogen dioxide and nitrogen oxide gases on titanium dioxide photocatalytic efficiency in concrete pavements Journal Get price

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ICRISET2017 Keyword Index

ICRISET2017 Keyword Index Effect on Addition of Nano Titanium Dioxide" (TiO2)on Compressive Strength of Cementitious Concrete Experimental Studies on Rheological and Durability Properties of Self Compacting Concrete by Using Quatenary Blending Effect of Chemical Composition of Different Source Materials on 28th Day Compressive Get price

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THE OPTIMUM CONCRETE FOR SELF COMPACTING

Snowcrete white cement and titanium dioxide pigment and an impeccable surface finish Due to the fluid nature of the flowing self compacting mix this could be poured easily to create the desired shape Each column contains 8m3 of Topflow Architectural / Toptint which was placed in 4x2m3 loads at one hour intervals - each pour increasing theGet price

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Effect of nano

Nano-titanium dioxide (NT) was introduced into reactive powder concrete (RPC) to prepare NT reinforced RPC (NTRRPC) in this study The mechanical and electrical properties and microstructure of NTRRPC were investigated Research results indicate that NT can accelerate the hydration of RPC at early ages due to its nucleation effect Get price

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RESEARCH ARTICLE OPEN ACCESS Self

Self-Cleaning Surface-Coat of Micro Titanium Dioxide on Hardened Cement Mortar Surfaces solution 15 times before compacting and another 15 times after compacting In spray B method in which thin coating to the concrete surface with a titanium dioxide content of 3% and 5% The second methodGet price

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New Construction Materials for Modern Projects

The photocatalytic action makes the surfaces not only to a significant self–cleaning it also improves the quality of surrounding environment Using titanium dioxide in glass fiber reinforced concrete offers more efficient and economical way to achieve the benefits of photocatalytics Get price

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How to make concrete PART 2b

Jan 31 2014Titanium Dioxide can be introduced to a concrete mix to form pure white concrete and create a self-cleaning and environmentally friendly concrete (by breaking down pollutants in the air) A fine example of concrete with a titanium dioxide addition is Get price

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Application of Titanium Dioxide Photocatalysis to

Jul 15 2013Construction materials with titanium photocatalyst show performances of air purification self-cleaning water purification antibacterial action This book describes principles of titanium dioxide photocatalysis its applications to cementitious and noncementitious materials as well as an overview of standardization of testing methods show moreGet price

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The Sustainability Of Concrete Construction Essay

Concrete manufacturers continue to find ways of improving the characteristics of concrete to meet specific demands One such example is the recent development of self-compacting concrete Ideal for achieving unblemished surface finishes Self-compacting concrete has helped elimate the need for noisy machinery Get price

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Amazon GlobMarble Titanium Dioxide White Concrete

Colors for Concrete 1Lb-(0 45kg) bag Titanium Dioxide White Concrete Pigment loading rate is between 3% to 5% by total concrete weight depending on depth of color required in the mix Oxide concrete pigment is a dry powder that can be used to add color to concrete stucco plaster mortar grout countertop mix and other cement materials Get price

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Biopolymer Doped with Titanium Dioxide Superhydrophobic

Treatment of the surface of the LC exposed to environmental attack by coating with biopolymer based on waste cooking oil doped with titanium dioxide photocatalysis (TOP) with superhydrophilic property was found to affect the mechanical properties of the LC in a systematic way Get price

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Admixtures for Concrete and Ancillary Products

This Line appeared in 1992 with the development of the first ever acrylic-based super-plasticiser in Europe Today thanks to technological innovations and the constant development of new products the admixtures for concrete line now offers solutions for the most varied range of construction needs from large-scale projects to residential buildings Get price

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Effect of Curing Conditions on Strength of Fly ash

Abstract—This paper r eports the results of an experimntal work conducted to investigate the effect of curing conditions on the compressive strength of self-compacting geopolymer concrete prepared by using fly ash as base material and combination of sodiumGet price

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Use of Nanotechnology in Cement

Nano concrete containing carbon nanotubes can be used for both strengthening and creating electric circuits Recently Wang et al [10] has demonstrated the use of nanoclays in the making of self compacting concrete for improve it for slipform paving for the construction of concrete road Get price

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The Influence of Nano

Apr 11 2016Nanoscale Research Letters volume 11 nanosilica and titanium dioxide are the most popular in concrete applications due to their unique properties [1 Khalaj G (2012) Effects of Fe 2 O 3 nanoparticles on water permeability and strength assessments of high strength self-compacting concrete J Mater Sci Technol 28(1) 73–82 Get price

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Amal Jayapalan Ph D P E

self-compacting concrete Proceedings of 29th Conference on Our World in Concrete and Structures Singapore 2004 Santhanam M Jayapalan A Repaka V Evaluation of hardened concrete properties using non- Jayapalan A Kurtis K Properties of cement with titanium dioxide and limestone particle additives American Ceramic Society - Cements Get price

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Visible LIGHT Active PhotoCATalytic Concretes for Air

Since the mid-1990s a photocatalyst called titanium dioxide (TiO2) has been included in certain concrete materials to remove polluting nitrogen oxides from the air While TiO2-containing concrete can remove up to 80 % of air pollution its requirement for ultraviolet (UV) light limits its application to areas with high sunshine Get price

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PERVIOUS CONCRETE WITH TITANIUM DIOXIDE AS A

PERVIOUS CONCRETE WITH TITANIUM DIOXIDE AS A PHOTOCATALYST COMPOUND FOR A GREENER URBAN ROAD ENVIRONMENT Abstract by Maria Christina Burton M S Washington State University December 2011 Chair Shihui Shen The United States is facing the problem of controlling air pollution from vehicleGet price

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Photocatalytic Cementitious Materials Influence of the

Nov 03 2009Incorporation of nanophotocatalysts into cementitious materials is an important development in the field of photocatalytic pollution mitigation In this study the photocatalytic nitrogen oxides (NOx) conversion by titanium dioxide (TiO2) blended cement pastes was used as a standard process to evaluate the internal factors that may influence the depollution performance The chemical Get price

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Application of Titanium Dioxide in Cement and Concrete

These technologies include among others the technology of photocatalytic concrete products which are capable of purifying air The use of this type of technology is closely linked with the campaign for Sustainable Development The article discusses the photocatalytic properties of titanium dioxide and its use in various industries Get price

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Titanium Dioxide Crusher Machinery Ilmenite

Titanium dioxide may be coated with small amounts of alumina and silica to improve technological titanium dioxide pigment is produced by either the sulfate process or the chloride process The principal raw materials for manufacturing titanium dioxide include ilmenite Get Price Get price

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Materials

Concrete with the addition of TiO 2 has been referred to in the literature as self-cleaning air purifying or photocatalytic concrete Photocatalytic concrete has been effectively used in the pavement blocks tunnels sidewalks and external walls of buildings for air purifying purposes and to maintain the aesthetic properties of buildings [4 5 Get price

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It's A Wash

Apr 01 2013It's A Wash National Precast As an added benefit to the owners these "billowing" precast concrete walls contain titanium dioxide (TiO 2) to keep the appearance of the church clean white and beautiful linchpin in self-cleaning concrete Titanium dioxide white-hot cleanup agent Get price

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Admixtures for Concrete

concrete exposed to cycles of freezing and thawing (Fig 6-2) Entrained air greatly improves concrete's resistance to surface scaling caused by chemical deicers (Fig 6-3) Fur-thermore the workability of fresh concrete is improved significantly and segregation and bleeding are reduced or eliminated Air-entrained concrete contains minute Get price

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