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Sulfate Resistance and Properties of Portland

"Sulfate Resistance and Properties of Portland-Limestone Cements" By Amir Mohammad Ramezanianpour A thesis submitted in conformity with the requirements for the degree of Doctor of Philosophy Department of Civil Engineering University of Toronto March 2012 AbstractGet price

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Concrete as a Green Building Material

concrete to make it suitable as a "Green Building" material Foremost and most successful in this regard is the use suitable substitutes for Portland cement especially those that are byproducts of industrial processes like fly ash ground granulated blast furnace slag and silica fume AlsoGet price

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Chapter 6 Different types of cement used in concrete

Abstract Portland cement has been the most commonly used binder in concrete for a long period since its invention in the late nineteenth century but due to the beneficial effects of mineral admixtures such as pulverised fuel ash ground granulated blastfurnace slag and microsilica modern cements now contain one of these materials in addition to small quantities of other types of fine Get price

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Master of Technology in Civil Engineering

Master of Technology in Civil Engineering By ASHISH KUMAR DASH Roll No 208CE206 DEPARTMENT OF CIVIL ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY ROURKELA-769008 2010 II EFFECT OF POZZOLANAS ON FIBER REINFORCED CONCRETE A THESIS SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF Master of Technology in Civil Engineering By ASHISH Get price

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Life Cycle Assessment of Concrete

Life cycle assessment of Concrete Abstract This is an environmental study on concrete that follows the standard protocol of life cycle assessment (LCA) The study is done for two types of concrete ordinary and frost-resistant concrete and has an extra focus on the superplasticizers used as admixtures The utilization phase is not included in Get price

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NON

NON-PORTLAND CEMENT ACTIVATION OF BLAST FURNACE SLAG Anne Elizabeth Oberlink University of Kentucky anne oberlinkuky edu Right click to open a feedback form in a new tab to let us know how this document benefits you This Thesis is brought to you for free and open access by the Graduate School at UKnowledge It has been accepted for inclusion Get price

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Materials and Structures/Matriaux et Constructions

cement type (high sulfate resistant Portland cement ↔ blast furnace slag cement) the influence of polymer modification and the influence of the addition of silica fume Therefore eight different concrete mixtures were made two mixtures without addition of neither polymer nor silica fume (one reference mixture with high sulfateGet price

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How to assess the hydration of slag cement concretes

Addition of slag modifies the hydration process of cement and the evolution of the mechanical properties of concrete In this study the advancement of hydration was monitored for concretes with different blast-furnace slag contents using several techniques such as adiabatic calorimetry thermogravimetry and analysis by scanning electron microscopy Get price

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THESIS A STUDY OF THE DURABILITY OF CONCRETE

THESIS A STUDY OF THE DURABILITY OF CONCRETE nT SEA '!ATER BY VI LARRIBEE BANGHAM Class of NINETEE1i HUNDRED AND TWENTY THREE CALIFORNIA INSTITUTE OF TECHNOLOGY PASADENA CALIFORNIA The Effect of Sea Water on Concrete The durability of concrete in sea water has been a very v1idely debated question from the time that disintegration of concrete in sea water f irst became Get price

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Durability of Concrete

Cement content of the concrete Alkalis + Reactive Silica + Moisture ASR Gel Concrete Technology 16 Methods to Prevent ASR Use slag or pozzolanic admixtures Insoluable alkalis Blast furnace slag volcanic glass fly ash silica fume Iceland uses CFS (Condensed Silica Fume) in all cement Air entrainment may help Provides pores allows gel room to expand harmlessly Structural Design Limit Get price

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Studies of fly ash

Instead the source of materials such as fly ash that are rich in Silicon (Si) and Aluminium (Al) are activated by alkaline liquids to produce the binder Hence concrete with no Portland cement This thesis reports the details of development of the process of making fly ash-based geopolymer concrete Due to the lack of knowledge and know-how Get price

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Specifying cement – standards and nomenclature

Specifying cement – standards and nomenclature Specification for Ground granulated blastfurnace slag for use with Portland cement BS 6699 Pulverised-fuel ash or fly ash Lime 14 Chris A Clear Cement and Combinations for Concrete Nomenclature Constituents % Cement to BS EN 197 Combination to BS 8500 CEM I Clinker Pfa fly ash Ggbs Lime-stone Portland CEM I — 95-100 — — — CEM II/A Get price

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Civil Engineering (CE) Project Topics or Ideas Thesis

Civil Engineering (CE) Project Topics Latest IEEE Synopsis Abstract Base Papers Source Code Thesis Ideas PhD Dissertation for Civil Structural Construction Engineering Students MCA Project Ideas Java Dotnet Projects Reports in PDF DOC and PPT for Final Year Engineering Diploma BSc MSc BTech and MTech Students for the year 2019 2020 Get price

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Studies on Concrete Made of Recycled Materials for

iv Declaration of Originality I Kirtikanta Sahoo Roll Number 512CE1005 hereby declare that this dissertation entitled Studies on Concrete Made of Recycled Materials for Sustainability represents my original work carried out as a doctoral student of NIT Rourkela and to the best of my knowledge Get price

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Recent durability studies on concrete structure

1 Introduction Durability of Portland cement concrete is defined as its ability to resist weathering action chemical attack abrasion or any other process of deterioration to remain its original form quality and serviceability when exposed to its intended service environment Durability problems usually appear as the materials deteriorate at the beginning Get price

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Geopolymer concrete for environmental protection

geopolymer concrete As in the case of Portland cement concrete the coarse and fine aggregates occupy about 75 to 80% of the mass of geopolymer concrete This component of geopolymer concrete mixtures can be designed using the tools currently available for Portland cement concrete The compressive strength and the workability ofGet price

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IMPLEMENTATION OF LEAN WITHIN THE CEMENT INDUSTRY

IMPLEMENTATION OF LEAN WITHIN THE CEMENT INDUSTRY Taher Tourki A thesis submitted in partial fulfilment of the requirement of De Montfort University for the Degree of Doctor of Philosophy December 2010 i Abstract Implementation of lean helps many organisations to improve their productivity and efficiency on the other hand numerous organisations have failed to benefit from lean philosophy Get price

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Cement Grinding Thesis

How Cement Is Made Cement is so fine that 1 pound of cement contains 150 billion grains The cement is now ready for transport to readymix concrete companies to be used in a variety of construction projects Although the dry process is the most modern and popular way to manufacture cement some kilns in the united states use a wet process Get price

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Effect of Vibrations on Concrete Strength A thesis

Concrete in general is a commonly used structural material and it consists essentially from mixing water cement aggregate and if necessary special additives with selected correct proportions of the ingredients to produce concrete mix with specific properties The chemical reaction of cement and water is Get price

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Development and evaluation of methods to follow

Production of cementitious materials causes the emission of CO2 gas which has detrimental impact on the environment augmenting the global warming process Using by-products such as slags is a possible strategy to limit the environmental impact of cementitious materials Consequently there is an increasing use of supplementary cementitious materials (SCMs) either pre-blended with ground Get price

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Studies on Concrete Made of Recycled Materials for

Construction industry uses Portland cement which is known to be a heavy contributor to the CO2 emissions and environmental damage Incorporation of industrial wastes like demolished old concrete silica fume (SF) and fly ash (FA) as supplementary cementing materials (SCMs) could result in a substantial reduction of the overall CO2 footprint of the final concrete product Get price

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Strength and drying shrinkage of slag paste activated by

Strength and drying shrinkage of slag paste activated by sodium carbonate and reactive MgO Fei Jin * the addition of 10% reactive MgO reduced the shrinkage of sodium silicate activated slag/fly ash (AAFS) cement by ~50% and the shrinkage was only slightly higher than that of PC Meanwhile the compressive strengths up to 7 d were found to increase slightly while the 28 d strength remained Get price

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IMPLEMENTATION OF LEAN WITHIN THE CEMENT INDUSTRY

IMPLEMENTATION OF LEAN WITHIN THE CEMENT INDUSTRY Taher Tourki A thesis submitted in partial fulfilment of the requirement of De Montfort University for the Degree of Doctor of Philosophy December 2010 i Abstract Implementation of lean helps many organisations to improve their productivity and efficiency on the other hand numerous organisations have failed to benefit from lean philosophy Get price

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UNIVERSITY OF OKLAHOMA FIBER

FIBER-REINFORCED CONCRETE AND BRIDGE DECK CRACKING A THESIS SUBMITTED TO THE GRADUATE FACULTY in partial fulfillment of the requirements for the Degree of MASTER OF SCIENCE By DANIEL STEPHEN MYERS Norman Oklahoma 2006 FIBER-REINFORCED CONCRETE AND BRIDGE DECK CRACKING A THESIS APPROVED FOR THE SCHOOL OF CIVIL ENGINEERING AND ENVIRONMENTAL Get price

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(TITLE OF THE THESIS)*

predicted thinner Portland cement concrete layer thicknesses than the AASHTO 1993 design method for most of the rigid pavement designs v Acknowledgements I would like to thank Professor Susan Tighe Director of the Centre for Pavement and Transportation Technology at the University of Waterloo for her support and supervision during the course of my graduate studies I would also like to Get price

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The influence of binder type and cracking on reinforcing

The primary focus of the current work is the study of how cement extenders impact on the corrosion characteristics of embedded steel in concrete The investigation was limited to those materials commonly used in South Africa (slag fly ash and condensed silica fume) and performed under laboratory conditions at 30C Get price

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Mix Design of Fiber Reinforced Concrete (FRC) Using Slag

The cement in concrete is replaced accordingly with the percentage of 10 % 20% 30% and 40% by weight of slag and 0 5% 1% 1 5% 2% by weight of steel fiber Concrete cubes are tested at the age of 3 7 and 28 days of curing Finally the strength performance of slag blended fiber reinforced concrete is compared with the performance of conventional concrete From the experimental Get price

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Investigation of Portland Cement Concrete Hydration

Investigation of Portland Cement Concrete Hydration Behavior at its Early Age using Embedded Fiber Optic Temperature Sensors ALICE CHAO Graduate Student Department of Civil and Environmental Engineering University of Massachusetts Lowell Lowell Massachusetts MASTER THESIS DEFENSE (11-16-2011) Microwave Material Characterization Lab 11/16/2011 INVESTIGATION OF PORTLAND CEMENT CONCRETE Get price

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(PDF) PERLITE CONCRETE BASED ON ALKALI ACTIVATED

use of the alkali activated cements for the manufacture of perlite concrete pressed and vibro-pressed products for heat insulation intended for various purposes was studied The interfacial transition zone "perlite grain – cement stone" was examinedGet price

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Waste Materials in Concrete Technology Sustainability and

ground granulated blast-furnace slag in particular be used in increasing quantities to replace the portland cement in concrete Given the almost unlimited supply of good quality fly ash worldwide new concrete technology such as high-volume fly ash concrete has been developed based on the combinedGet price

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College Writing Fibre reinforced concrete phd thesis top

Critical thinking skills thesis phd reinforced fibre concrete are based on the website of the jean monnet action if relevant the extent to which these practices in several different types of theoretically relevant data By replacing the familiar case of actions concerning young migrants refugees and immigrants having experienced varying Get price

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Ternary combination concretes using GGBS fly ash

A wide-ranging study was therefore set up to examine this for the range of more commonly available additions This thesis reports on research carried out to investigate the effects of cement combinations based on CEM I / GGBS with either fly ash or limestone The experimental programme investigated these materials in both paste and concrete Get price

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Pore structure in blended cement pastes

PhD Thesis Department of Civil Engineering 2012 Pore structure in blended cement pastes The project was motivated by the need for low-CO2 materials for concrete and the correlation between pore structure and engineering properties Pore structure of cement pastes with and without slag and flyGet price

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