Long Term Durability Investigation of Cold Weather Concrete

Long Term Durability Investigation of Cold Weather Concrete
Author: Danielle E. Kennedy
Publisher:
Total Pages: 0
Release: 2019
Genre: Concrete
ISBN:

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Currently, per American Concrete Institute Committee 306 guidance, when placing concrete in temperatures below 40°F, the concrete must be protected. Cold weather admixture systems (CWAS) technology enables concrete to be finished and cured at 23°F. CWAS concrete incorporates a suite of admixtures that depress the freezing point and allow concrete to be poured at sub-freezing temperatures and cured without external heat sources. This document will showcase the history of CWAS concrete and illustrate its long term durability when placed in cold regions. The goal of the project was to investigate long term durability of two field sites in service. This investigation consisted of a visual inspection as well as collecting nondestructive testing data on site and collecting core samples. This technology was a breakthrough for cold regions to continue construction during cold seasons and remain as durable as control concrete poured using conventional methods.

Durability of Concrete in Cold Climates

Durability of Concrete in Cold Climates
Author: M. Pigeon
Publisher: CRC Press
Total Pages: 259
Release: 2014-04-21
Genre: Technology & Engineering
ISBN: 1482271443

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This book provides a comprehensive and authoritative review of durability of the frost resistance of concrete. It will enable both concrete materials specialists and practising engineers to better understand the deterioration processes which take place during freezing and thawing, and the effects of de-icing salts on concrete. It shows how test pro

Durability of Concrete and Cement Composites

Durability of Concrete and Cement Composites
Author: Chris L. Page
Publisher: Elsevier
Total Pages: 415
Release: 2007-06-30
Genre: Technology & Engineering
ISBN: 1845693396

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Whilst most structures made using concrete and cement-based composites have not shown signs of premature degradation, there have been notable exceptions. In addition, there is increasing pressure for new structures to remain in serviceable condition for long periods with only minimal maintenance before being recycled. All these factors have highlighted the issues of what affects the durability of these materials in different circumstances and how material properties can be measured and improved. Durability of concrete and cement composites summarises key research on these important topics. After an introductory chapter, the book reviews the pore structure and chemistry of cement-based materials, providing the foundation for understanding the particular aspects of degradation which are discussed in the following chapters. These include dimensional stability and cracking processes, chemical and microbiological degradation of concrete, corrosion of reinforcing and prestressing steels, deterioration associated with certain aggregates, effects of frost and problems involving fibre-reinforced and polymer-cement composites. With its distinguished international team of contributors, Durability of concrete and cement composites is a standard reference for all those concerned with improving the service life of structures using these materials. Analyses a range of materials such as reinforced steel in concrete, pre-stressed concrete and cement composites Discusses key degradation phenomena such as cracking processes and the impact of cold weather conditions A standard reference for those concerned with improving the service life of structures using concrete and cement based composites

Guide to Cold Weather Concreting

Guide to Cold Weather Concreting
Author: ACI Committee 306
Publisher:
Total Pages: 26
Release: 2010-10
Genre: Concrete construction
ISBN: 9780870313974

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Concreting in Cold Weather

Concreting in Cold Weather
Author: Portland Cement Association
Publisher:
Total Pages: 90
Release: 1916
Genre: Concrete
ISBN:

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