Increasing Cold Weather Masonry Construction Productivity
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Increasing Cold Weather Masonry Construction Productivity
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Author :
language : en
Publisher: DIANE Publishing
Release Date : 1997
Increasing Cold Weather Masonry Construction Productivity written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
The thermal protection requirements for cold weather masonry, as established in current industry specifications, were evaluated. Experiments were conducted to define the most relevant factors in the process of freezing of newly placed mortar. The effect of unit absorption on the moisture content of mortar during the first hours after assembly was assessed. Correlations of moisture content with time were developed for mortar in contact with masonry units. Frost immunity thresholds in terms of mortar moisture content and in terms of maturity were determined. The test results provided the basis for new proposed guidance on when fresh mortar can be safely exposed to freezing temperatures. Test methods for evaluation of the freeze thaw resistance of masonry units were evaluated. A new test was proposed and adopted by ASTM as a new standard test for the freeze thaw testing of masonry units. In addition, several chemicals were evaluated for their potential as antifreeze admixtures for masonry mortar. Antifreeze admixtures were first developed for use in concrete, but the practicality of using antifreeze admixtures in masonry mortars was demonstrated in a field application in Michigan during the winter.
Increasing Cold Weather Masonry Construction Productivity
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Author :
language : en
Publisher:
Release Date : 1997
Increasing Cold Weather Masonry Construction Productivity written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
The thermal protection requirements for cold weather masonry, as established in current industry specifications, were evaluated. Experiments were conducted to define the most relevant factors in the process of freezing of newly placed mortar. The effect of unit absorption on the moisture content of mortar during the first hours after assembly was assessed. Correlations of moisture content with time were developed for mortar in contact with masonry units. Frost immunity thresholds in terms of mortar moisture content and in terms of maturity were determined. The test results provided the basis for new proposed guidance on when fresh mortar can be safely exposed to freezing temperatures. Test methods for evaluation of the freeze thaw resistance of masonry units were evaluated. A new test was proposed and adopted by ASTM as a new standard test for the freeze thaw testing of masonry units. In addition, several chemicals were evaluated for their potential as antifreeze admixtures for masonry mortar. Antifreeze admixtures were first developed for use in concrete, but the practicality of using antifreeze admixtures in masonry mortars was demonstrated in a field application in Michigan during the winter.
Increasing Cold Weather Masonry Construction Productivity
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Author : Charles J. Korhonen
language : en
Publisher:
Release Date : 1997
Increasing Cold Weather Masonry Construction Productivity written by Charles J. Korhonen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Concrete construction categories.
Recommended Practices For Cold Weather Masonry Construction
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Author :
language : en
Publisher:
Release Date : 1970
Recommended Practices For Cold Weather Masonry Construction written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Masonry categories.
Recommended Practices Guide Specifications For Cold Weather Masonry Construction
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Author : International Masonry Industry All-Weather Council
language : en
Publisher:
Release Date : 1970
Recommended Practices Guide Specifications For Cold Weather Masonry Construction written by International Masonry Industry All-Weather Council and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Masonry categories.
Effect Of Nanoparticles On The Properties Of Masonry Mortars And Assemblages At A Cold Temperature
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Author : Hooman Kazempour
language : en
Publisher:
Release Date : 2014
Effect Of Nanoparticles On The Properties Of Masonry Mortars And Assemblages At A Cold Temperature written by Hooman Kazempour and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Cold weather masonry construction is a major concern for contractors as they either have to implement heating practices for laying and curing masonry systems or postpone the construction to warmer periods. This can lead to loss of productivity rate and delays in construction schedules with associated extra costs. This thesis explores a novel approach for mitigating the adverse effects of cold weather on masonry construction in early fall periods through the application of nano-alumina (NA) and nano-silica (NS) in mortar joints. The assessment criteria were based on the fresh properties, hardened properties and microstructural features of mortar mixtures and mechanical behaviour of concrete masonry prisms at early and later ages. Various test results show that NS can be successfully used to minimize the adverse effects of cold temperature on mortar joints by speeding up the hydration of cement, shortening the setting time, and increasing the strength up to 72 h.
Concrete Construction Engineering Handbook
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Author : Edward G. Nawy
language : en
Publisher: CRC Press
Release Date : 2008-06-24
Concrete Construction Engineering Handbook written by Edward G. Nawy and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-06-24 with Technology & Engineering categories.
The Concrete Construction Engineering Handbook, Second Edition provides in depth coverage of concrete construction engineering and technology. It features state-of-the-art discussions on what design engineers and constructors need to know about concrete, focusing on - The latest advances in engineered concrete materials Reinforced concrete construction Specialized construction techniques Design recommendations for high performance With the newly revised edition of this essential handbook, designers, constructors, educators, and field personnel will learn how to produce the best and most durably engineered constructed facilities.
Estimating Building Costs
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Author : Calin M. Popescu
language : en
Publisher: CRC Press
Release Date : 2003-04-22
Estimating Building Costs written by Calin M. Popescu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-04-22 with Business & Economics categories.
Companies live or die on the basis of estimating their costs. Preparing estimates and bidding for new jobs is a complex and often costly process. There is no substitute for on the job training -- until now. Drawing on the authors' combined experience of more than 70 years, Estimating Building Costs presents state-of-the-art principles, practices, a
Recommended Practices Guide Specifications For Cold Weather Masonry Construction
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Author : International Masonry Industry All-Weather Council
language : en
Publisher:
Release Date : 1975
Recommended Practices Guide Specifications For Cold Weather Masonry Construction written by International Masonry Industry All-Weather Council and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Masonry categories.
Hot And Cold Weather Masonry Construction
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Author : Masonry Industry Council
language : en
Publisher:
Release Date : 1999
Hot And Cold Weather Masonry Construction written by Masonry Industry Council and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Concrete construction categories.