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Application Of The Rapid Chloride Permeability Test To Evaluation Of Penetrating Sealers For Concrete
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Book Synopsis Application of the Rapid Chloride Permeability Test to Evaluation of Penetrating Sealers for Concrete by : D. Whiting
Download or read book Application of the Rapid Chloride Permeability Test to Evaluation of Penetrating Sealers for Concrete written by D. Whiting and published by . This book was released on 1987 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Specimens for rapid and long-term (90-day) chloride permeability measurements were prepared from a conventional concrete mixture. Three penetrating sealers were evaluated, using different methods of specimen conditioning. Results indicate that the rapid chloride permeability test may indicate differences between sealers which are not apparent when subjected to long-term chloride ponding. The method chosen to condition the specimens prior to testing has a significant influence upon the results.
Book Synopsis Tests for Evaluation of the Effectiveness of Penetrating Sealers in Reducing Penetration of Chlorides Into Concrete by : MA. Nagi
Download or read book Tests for Evaluation of the Effectiveness of Penetrating Sealers in Reducing Penetration of Chlorides Into Concrete written by MA. Nagi and published by . This book was released on 1996 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: A pair of rapid tests for evaluation of the effectiveness of penetrating sealers in preventing corrosive chloride ions from penetrating concrete have been developed. The tests are designed to yield an indication of the relative performance of a sealer as compared with unsealed concrete. The first test is based on measurement of electrical resistance between two small electrodes created on a concrete surface by use of a highly conductive spray-applied coating. A criterion of 200 k-ohms after 4 minutes of test was selected for differentiating between effective and ineffective sealers. The second test is based on absorption of water into the concrete surface over a four minute period. Development and field trials of the two tests are described. The tests are applicable to both horizontal and vertical surfaces. Applications for the tests include quality control of sealer application, qualification of sealers under field conditions, and monitoring of sealer performance over time in a nondestructive manner.
Book Synopsis Cement, Concrete and Aggregates by :
Download or read book Cement, Concrete and Aggregates written by and published by . This book was released on 1987 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Concrete Deck and Crack Sealers by : José Antonio Pincheira
Download or read book Evaluation of Concrete Deck and Crack Sealers written by José Antonio Pincheira and published by . This book was released on 2005 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Rapid Determination of the Chloride Permeability of Portland Cement Concrete by AASHTO T277-83 by : J. L. Nash
Download or read book Evaluation of Rapid Determination of the Chloride Permeability of Portland Cement Concrete by AASHTO T277-83 written by J. L. Nash and published by . This book was released on 1987 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Laboratory Evaluation of Concrete Surface Sealants Phase 2 by : R. M. Rollings
Download or read book A Laboratory Evaluation of Concrete Surface Sealants Phase 2 written by R. M. Rollings and published by . This book was released on 1988 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sealers for Portland Cement Concrete Highway Facilities by : Philip Dale Cady
Download or read book Sealers for Portland Cement Concrete Highway Facilities written by Philip Dale Cady and published by . This book was released on 1994 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis document will be of interest to materials, maintenance, and bridge engineers, and others responsible for protecting and maintaining portland cement concrete (PCC) roadway surfaces. It will be of special interest to materials research and testing officials, as well as to manufacturers who are concerned with developing and evaluating sealers for PCC highway facilities. The information in this Synthesis is limited to surface-applied liquid sealers that are primarily intended to retard the transmission of water and ions below the roadway surface. This report of the Transportation Research Board provides detailed information on generic concrete sealing materials that may be considered a primer on the topic, describing the various classes of sealers, their chemical characteristics, application to specific needs, and practice and performance characteristics. In addition, information is provided on evaluation and testing, application and costs, and the safety and environmental issues of concern with their use. Also included is a glossary of terms, extensive references, and an appendix that includes materials on a procedure for the estimation of service life and a model sealer specification.
Book Synopsis High-performance Construction Materials: Science And Applications by : Caijun Shi
Download or read book High-performance Construction Materials: Science And Applications written by Caijun Shi and published by World Scientific. This book was released on 2008-06-11 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes a number of high-performance construction materials, including concrete, steel, fiber-reinforced cement, fiber-reinforced plastics, polymeric materials, geosynthetics, masonry materials and coatings. It discusses the scientific bases for the manufacture and use of these high-performance materials. Testing and application examples are also included, in particular the application of relatively new high-performance construction materials to design practice.Most books dealing with construction materials typically address traditional materials only rather than high-performance materials and, as a consequence, do not satisfy the increasing demands of today's society. On the other hand, books dealing with materials science are not engineering-oriented, with limited coverage of the application to engineering practice. This book is thus unique in reflecting the great advances made on high-performance construction materials in recent years.This book is appropriate for use as a textbook for courses in engineering materials, structural materials and civil engineering materials at the senior undergraduate and graduate levels. It is also suitable for use by practice engineers, including construction, materials, mechanical and civil engineers.
Book Synopsis Laboratory Evaluation of Concrete Sealers for Vertical Highway Structures by : Joseph D. Fera
Download or read book Laboratory Evaluation of Concrete Sealers for Vertical Highway Structures written by Joseph D. Fera and published by . This book was released on 1991 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Techniques to Assess the Corrosion Activity of Steel Reinforced Concrete Structures by : Neal Steven Berke
Download or read book Techniques to Assess the Corrosion Activity of Steel Reinforced Concrete Structures written by Neal Steven Berke and published by ASTM International. This book was released on 1996 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whatever his name or alias at the moment—Henry McCarty, Henry Antrim, Kid Antrim, Billy Bonney—people always called him the Kid. Not until his final month did anyone call him Billy the Kid. Newspapers pictured him as a king of outlaws; and his highly publicized capture, trial, escape, and end fixed his image in the public mind for all time. He was only twenty-one years old when a bullet from Sheriff Pat Garett’s six-shooter killed him on July 14, 1881. Within a year Billy the Kid became the subject of five dime-novel “biographies” as well as Garett’s ghost-written account, and that was just the beginning. Robert M. Utley does what countless books, movies, television shows, musical compositions, and paintings have failed to do: he successfully strips off the veneer of legendry to expose the reality of Billy the Kid. Using previously untapped sources, he presents an engrossing story—the most complete and accurate ever—of a youthful hoodlum and sometime killer who found his calling in New Mexico’s bloody power struggle known as the Lincoln County War. In unmasking the legend Utley also tells us much about our heritage of frontier vigilantism and violence.
Author :National Research Council (U.S.). Transportation Research Board Publisher :Transportation Research Board National Research ISBN 13 : Total Pages :86 pages Book Rating :4.:/5 (318 download)
Book Synopsis Concrete Technology by : National Research Council (U.S.). Transportation Research Board
Download or read book Concrete Technology written by National Research Council (U.S.). Transportation Research Board and published by Transportation Research Board National Research. This book was released on 1992 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Penetrating Surface Treatments of Bridge Deck Concretes by : T. S. Rutkowski
Download or read book Evaluation of Penetrating Surface Treatments of Bridge Deck Concretes written by T. S. Rutkowski and published by . This book was released on 1988 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to develop a laboratory procedure that would determine the degree to which a surface treatment (sealer) will protect the substrate of a concrete bridge deck from penetration of moisture in general and chloride ions in particular. The study included absorption tests, resistance to chloride ion penetration tests, vapor permeability tests, a rapid electrical cell test procedure, and an impressed voltage test procedure. The individual test procedures, with the exception of the rapid electrical cell tests, effectively differentiated between the proprietary sealers. However, it was not possible to extrapolate the laboratory test results to years of sealer field performance. None of the applied sealers appeared to be able to completely stop the penetration of moisture or chloride ions into the concrete substrate.
Download or read book HRIS Abstracts written by and published by . This book was released on 1989 with total page 1072 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Durability of Concrete by : V. M. Malhotra
Download or read book Durability of Concrete written by V. M. Malhotra and published by . This book was released on 1994 with total page 1248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Enhanced Coagulation Impacts on Water Treatment Plant Infrastructure by : Marc Edwards
Download or read book Enhanced Coagulation Impacts on Water Treatment Plant Infrastructure written by Marc Edwards and published by IWA Publishing. This book was released on 2005-02-01 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: New USEPA regulations require changes to water treatment that can accelerate infrastructure degradation. One recent regulation of particular concern in this regard is the Enhanced Coagulation Rule, which requires improved removal of Total Organic Carbon (TOC) from water supplies. One of the most common means of improving TOC removal is to enhance existing coagulation treatment processes by reducing coagulation pH or using higher coagulant doses. There is substantial concern that the lowered coagulation pHs and higher coagulant doses will significantly accelerate degradation of infrastructure. The goal of this research was to concisely describe what is known about accelerated degradation of infrastructure from conditions brought about during enhanced coagulation. It was anticipated that such an effort would allow utilities to decrease damage by learning from the experiences of others, reviewing of the literature, and executing some new experiments. Originally published by AwwaRF for its subscribers in 2004.
Book Synopsis Evaluation of Penetrating Sealers on Service Life of Concrete Infrastructure by : Goran Mohammed Fraj
Download or read book Evaluation of Penetrating Sealers on Service Life of Concrete Infrastructure written by Goran Mohammed Fraj and published by . This book was released on 2022 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: In cold regions, thermal cycles and corrosion of reinforcements are the main factors that cause deterioration in concrete structures. Per each storm event, salt is used to melt snow and ice. Ultimately, water contains aggressive substances such as chloride that penetrate the concrete. When saturated concrete experiences FT cycles, it results in internal frost damage as well as surface salt scaling. The salt solution that contains chloride ions, at normal temperature, reaches calcium hydroxide and forms calcium oxychloride which is another form of damage observed mainly in concrete joins. On the other hand, infiltration chloride ions ultimately disrupt passive film around steel reinforcement and result in corrosion of steel. A recent trend is to extend the service life of existing infrastructure beyond the designed service life. This trend serves both sustainability, using less natural resources, and carbon footprint, generating carbon in the production of new materials. Therefore, in advanced countries, preservation, repair, and restoration as much as building new structures are important. This research explores the effect of different families of penetrating sealers on the durability performance of concrete. A large variety of penetrating sealers possessing different modes of action available in the market, research is needed to quantify and compare sealer impact on concrete durability. It should be mentioned that, along with reinforced concrete structures, a large portion of this dissertation focuses on the durability of joints in concrete pavements. The dissertation includes a selection of papers investigating a variety of important aspects of concrete joint durability. The papers include: • Evaluating penetrating sealer performance, such as depth of penetration, and wettability, • Effect of sealers on the freeze- durability of concrete joints, • Effect of sealers on the potential of calcium oxychloride formation, and • Effect of sealers on chloride ion penetration and concrete surface abrasion. The investigation conducted on concrete that considers durable concrete in terms of air voids and incorporating supplementary cementitious materials along with concrete possessing durability issues, such as improper air void system concrete, concrete contains aggregate that is susceptible to D-cracking, and concrete susceptible to form expansive calcium oxychloride. The results, presented in Chapters 3-6, show that the rate and timing of sealer application substantially affect sealer performance. Most sealers reduced both water absorption and chloride ions penetration. In addition, the durability of concrete varied depending on sealer type and mode of action. All sealers almost eliminated the potential of calcium oxychloride formation.
Book Synopsis Evaluation of Concrete Penetrating Sealers by :
Download or read book Evaluation of Concrete Penetrating Sealers written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
