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Wednesday, July 29, 2020 | History

3 edition of The Alkali-Silica Reaction in Concrete found in the catalog.

The Alkali-Silica Reaction in Concrete

by R. N. Swamy

  • 121 Want to read
  • 5 Currently reading

Published by Taylor & Francis Group Plc in London .
Written in English


The Physical Object
FormatElectronic resource
ID Numbers
Open LibraryOL24272239M
ISBN 100203200330

The American Concrete Institute. Founded in and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design ?m.   The alkaline solution reacts with amorphous silica to produce a viscous alkali silicate gel. As the reaction proceeds Ca 2+ ions are dissolved into the pore water. These react with the gel to form solid calcium silicate hydrate whereas the alkaline solution converts the remaining siliceous minerals into bulky alkali silicate ://

  This document provides detailed information on alkali-aggregate reactivity (AAR). It primarily discusses alkali-silica reaction (ASR), covering the chemistry, symptoms, test methods, prevention, specifications, diagnosis and prognosis, and mitigation. Alkali-carbonate reaction (ACR) is (AAR)-Facts-Book. But, it is required to check the mechanism of potential reactive aggregates with GPC. Alkali silica reaction (ASR) is one of the major problems with the aggregates. Volumetric expansion of silica gel produce internal stresses in the concrete and leads to strength loss, cracking and failure of the ://

Title: Alkali Silica Reaction in Mortar at Room Temperature Author(s): Qiang Li, R. James Kirkpatrick, Leslie J. Struble Publication: Symposium Paper Volume: Issue: Appears on pages(s): Keywords: Alkali-Silica Reaction, ASTM C, Nuclear Magnetic Resonance, C-S-H polymerization, SEM-EDX, X-Ray Diffraction Date: 10/1/ Abstract: Mortar bars made with silica glass aggregate ?m. Introduction to alkali-aggregate reaction in concrete - A B Poole. Chemistry of the alkali-aggregate reaction - F P Glasser. Testing for alkali-silica reaction - R N Swamy. Role and effectiveness of mineral admixtures in relation to alkali-silica reaction - R N ://


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The Alkali-Silica Reaction in Concrete by R. N. Swamy Download PDF EPUB FB2

Table of Contents. Introduction to alkali-aggregate reaction in concrete - A B try of the alkali-aggregate reaction - F P g for alkali-silica reaction - R N and effectiveness of mineral admixtures in relation to alkali-silica reaction - R N -silica reaction - UK experience - I -silica reaction - Danish experience - S Chatterji, Z   The Alkali Silica Reaction In Concrete book.

Read reviews from world’s largest community for readers. This book reviews the fundamental causes and spectr   The alkali-silica reaction is an unusual and unpredictable phenomenon which occurs worldwide.

The factors involved are exceedingly complex, very interdependent and highly interactive. We are now beginning to realise that external agents, environmental conditions and microclimates can have as much of an influence as the basic ingredients of the  › Books › Engineering & Transportation › Engineering.

The Alkali-Silica Reaction in Concrete book. The Alkali-Silica Reaction in Concrete. DOI link for The Alkali-Silica Reaction in Concrete. The Alkali-Silica Reaction in Concrete book. Edited By R N Swamy. Edition 1st Edition. First Published eBook Published 1 September Telford, - Alkali-aggregate reactions - pages 0 Reviews This volume for concrete users provides an authoritative explanation of the alkali-silica reaction (ASR), its effects and methods of minimizing the risk of danger in new ://?id.

Bhupinder Singh, in Waste and Supplementary Cementitious Materials in Concrete, Alkali–silica reactivity. Alkali–silica reaction takes place between alkalis (Na 2 O and K 2 O) from cement or other sources and certain reactive silica minerals present in the coarse or fine aggregates.

The chemical reaction can result in abnormal expansion and cracking of :// Get this from a library. The Alkali-silica reaction in concrete. [R N Swamy;] -- This book reviews the fundamental causes and spectrum effects of ASR.

It considers he advances that have been made in our understanding of this problem throughout the :// A book for concrete users which provides an authoritative explanation of the alkali-silica reaction (ASR), its effects and methods of minimizing the risk of danger in new construction.

Back to Book Listing. Buy this book The alkali-silica reaction though not true is described as a concrete cancer. A human cancer, if untreated is terminal, whereas the alkali-silica reaction and the expansion it induces, if untreated, eventually stops.

No concreted structure or part of a concrete structure any where in the world has collapsed due to alkali-silica reaction :// Alkali-silica reaction (ASR) is of more concern because aggregates containing reactive silica materials are more common.

In ASR, aggregates containing certain forms of silica will react with alkali hydroxide in concrete to form a gel that swells as it adsorbs water from the surrounding cement paste or Chemistry of the alkali-aggregate reaction - F P Glasser.

Testing for alkali-silica reaction - R N Swamy. Role and effectiveness of mineral admixtures in relation to alkali-silica reaction - R N Swamy. Alkali-silica reaction - UK experience - I Sims.

Alkali-silica reaction - Danish experience - S Chatterji, Z Fordos and N Thaulow. Alkali-silica   Alkali-silica reaction (ASR), one of the most harmful distress mechanisms identified in concrete structures worldwide, is a chemical reaction between ''unstable" silica mineral forms within the The Alkali-Silica Reaction in Concrete by R N Swamy,available at Book Depository with free delivery worldwide.

The Alkali-Silica Reaction in Concrete: R N Swamy: We use cookies to give you the best possible :// The alkali-silica reaction is an unusual and unpredictable phenomenon which occurs worldwide. The factors involved are exceedingly complex, very interdependent and highly interactive.

We are now beginning to realise that external agents, environmental conditions and microclimates can have as much of an influence as the basic ingredients of the Alkali-Aggregate Reaction in Concrete: A World Review is unique in providing authoritative and up to date expert information on the causes and effects of Alkali-Aggregate Reaction (AAR) in concrete structures worldwide.

In a first edition entitled The Alkali-Silica Reaction in Concrete, edited by Professor Narayan Swamy, was published in a first attempt to cover this concrete problem from Standard test method for concrete aggregates by determination of length change of concrete due to alkali-silica reaction.

Annual Book of ASTM Standards, vol. (Concrete and Aggregates), Philadelphia (PA), Hobbs D W. Alkali-silica reaction in The main external evidence for damage to concrete due to alkali silica reaction is cracking. In unrestrained concrete the cracks have a characteristic random distribution often referred to as ‘map cracking’ where there is a network of fine cracks bounded by a few larger cracks.

However the only reliable evidence for diagnosing ASR as the ?cmd=display&id= Risk of damaging alkali-silica reaction.

For ASR to occur in its damaging form, sufficient alkalinity of the pore water solution (hydroxyl ion concentration) must be present to react with certain forms of silica in the aggregate to form a gel. The gel absorbs pore water fluid, swells and exerts a pressure causing ?cmd=display&id= Application of crushed recycled glass in concrete materials can offer significant economical and environmental benefits provided that the alkali-silica reaction (ASR) of glass in concrete (ASCE)MT The alkali-silica reaction (ASR) is an important problem that has yet to be completely understood.

Owing to the complexity of this phenomenon, a number of studies have been conducted to characterize its kinetics, its impact on the material, and its structural ://(ASCE)MT. The Alkali-Silica Reaction in Concrete by R N Swamy (Editor) ISBN ISBN Why is ISBN important? ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book.

The digit and digit formats both work. › Books › Engineering & Transportation › Engineering.In the last few decades, the alkali–silica reaction (ASR) has been reported as one of the major concrete concerns regarding durability, leading to high maintenance and reconstruction costs.

The occurrence of ASR in numerous concrete infrastructures all over the world points to the need for research regarding measures for its detection in an The alkali-silica reaction (ASR), is the reaction of reactive silica in concrete aggregates and solution of hydroxyl ions within concrete voids.

This reaction causes the formation of a gel which expands with the effect of moisture in concrete. The increase in volume due to the swelling leads to cracks in the ://