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Mitigating Concrete Aggregate Problems In Minnesota
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Book Synopsis Mitigating Concrete Aggregate Problems in Minnesota by : Amir Koubaa
Download or read book Mitigating Concrete Aggregate Problems in Minnesota written by Amir Koubaa and published by . This book was released on 1997 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Study goals included: 1) identify mechanisms causing premature failure in Minnesota concrete pavements; 2) evaluate the accuracy of existing tests of aggregate freeze-thaw durability using Minnesota aggregate sources and pavement performance records; 3) develop a new methodology for quickly and reliably assessing aggregate freeze-thaw durability; and 4) evaluate techniques for mitigating D-cracking. Research results indicate that the poor durability performance of some Minnesota PCC pavement sections can often be attributed to aggregate freeze-thaw damage. However, secondary mineralization, embedded shale deposits, poor mix design and alkali-aggregate reactions were also identified as problems. Petrographic examination can help to differentiate between these failure mechanisms. A reliable and universal method for quickly identifying D-cracking aggregate particles was not identified. A test protocol was developed for improved aggregate durability evaluation. It includes several tests which are selected for use based on aggregate geological origin and composition and the results of previous tests. Further validation of the proposed test protocol is recommended. Several techniques appear to be effective in improving the freeze-thaw durability of concrete prepared using marginally durable aggregate: mix design modifications, reductions in aggregate top size, and the blending of durable and nondurable aggregates. Some chemical treatments showed promise, but may not be economical.
Book Synopsis Mitigation of Recurrent "D"-cracking in Portland Cement Concrete Comprising Recycled Concrete Aggregate by : Rebecca Anne Tanata
Download or read book Mitigation of Recurrent "D"-cracking in Portland Cement Concrete Comprising Recycled Concrete Aggregate written by Rebecca Anne Tanata and published by . This book was released on 1998 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Evaluation of Concrete Flatwork Durability Problems in Minnesota by : Mark B. Snyder
Download or read book An Evaluation of Concrete Flatwork Durability Problems in Minnesota written by Mark B. Snyder and published by . This book was released on 1998 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis PRO 25: International RILEM Workshop on Frost Damage in Concrete by : Donald J. Janssen
Download or read book PRO 25: International RILEM Workshop on Frost Damage in Concrete written by Donald J. Janssen and published by RILEM Publications. This book was released on 2002 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Session Laws of the State of Minnesota by : Minnesota
Download or read book Session Laws of the State of Minnesota written by Minnesota and published by . This book was released on 1993 with total page 1276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes regular and extra sessions; some extra sessions issued as separate vols.
Download or read book LCMR written by and published by . This book was released on 1993-06 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report of Investigations - Minnesota Geological Survey by :
Download or read book Report of Investigations - Minnesota Geological Survey written by and published by . This book was released on 1963 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the Senate by : Minnesota. Legislature. Senate
Download or read book Journal of the Senate written by Minnesota. Legislature. Senate and published by . This book was released on 1993 with total page 2152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes extra and special sessions.
Book Synopsis Minnesota ... Biennial Budget by : Minnesota. Office of the Governor
Download or read book Minnesota ... Biennial Budget written by Minnesota. Office of the Governor and published by . This book was released on 1994 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biennial Report to the Legislature by : Minnesota. Legislature. Legislative Commission on Minnesota Resources
Download or read book Biennial Report to the Legislature written by Minnesota. Legislature. Legislative Commission on Minnesota Resources and published by . This book was released on 1999 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Minnesota Aggregates on Rapid Chloride Permeability Tests by : Hani H. Titi
Download or read book The Effect of Minnesota Aggregates on Rapid Chloride Permeability Tests written by Hani H. Titi and published by . This book was released on 2004 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report investigates the effect of the type of coarse aggregate used in concrete on chloride ions penetrability as indicated by the rapid chloride penetration test (RCPT). Twelve coarse aggregate types, commonly used in Minnesota Department of Transportation highway construction projects, were identified and used for this study. The coarse aggregate types were subjected to laboratory testing to determine their physical properties and ambient chloride content. The aggregate types were used to prepare fresh concrete according to Mn/DOT specifications in which silica fume and fly ash were used. In order to characterize the concrete in terms of resistance to chloride ions penetration, concrete specimens made of these aggregate types were subjected to the rapid chloride permeability test at different ages. All mix parameters including gradation and quantities of different aggregates were held constant in different mixes. The only variable was the aggregate type. For concrete specimens tested at 28 days of age, the average total charge passed varied between 1,452 and 2,606 Coulombs, which can be described as "low" to "moderate" chloride ions penetrability, according to AASHTO designation. The average total charge passed decreased with time (age) for all of the concrete specimens tested. Considering specimens at 91 days of age, the average total charge passed ranged from 601 to 1,236 Coulombs, which can be characterized as "very low" to "low" chloride ions penetrability. The aggregate type has a noticeable influence on the RCPT results for the concrete mix design that was utilized.
Book Synopsis Use of Crushed Concrete Products in Minnesota Pavement Foundations by : Mark B. Snyder
Download or read book Use of Crushed Concrete Products in Minnesota Pavement Foundations written by Mark B. Snyder and published by . This book was released on 1995 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Transportation Research Record written by and published by . This book was released on 2004 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biennial Report by : Minnesota. Legislature. Legislative Commission on Minnesota Resources (LCMR)
Download or read book Biennial Report written by Minnesota. Legislature. Legislative Commission on Minnesota Resources (LCMR) and published by . This book was released on 1993 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Concerns and Remediation by : Deepankar Kumar Ashish
Download or read book Environmental Concerns and Remediation written by Deepankar Kumar Ashish and published by Springer Nature. This book was released on 2022-09-02 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the conference proceedings of the F-EIR Conference 2021, Environment Concerns and its Remediation held in Chandigarh, India, October 18–22, 2021. The purpose of the conference and the volume is to present new ideas across a range of disciplines in environmental science, with a focus on theoretical and practical approaches to clean production aimed at preventing the production of waste, while increasing efficiencies in the uses of energy, water, and renewable resources. With contributions from leading experts equipped with state-of-the-art information and technology, the book covers topics of sustainability and resilience, chemical and environmental engineering, materials science, biotechnology, health-related microorganisms, and green technologies. The book will be of interest to scientists, engineering professionals, architects, environmental scientists, academicians, economists, and students engaged in these disciplines.
Book Synopsis Guidelines for Detection, Analysis, and Treatment of Materials-related Distress in Concrete Pavements: FHWA-RD-01-165 Case studies using the guidelines by :
Download or read book Guidelines for Detection, Analysis, and Treatment of Materials-related Distress in Concrete Pavements: FHWA-RD-01-165 Case studies using the guidelines written by and published by . This book was released on 2002 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research was to develop guidelines to provide pavement engineers and field and laboratory personnel with a systematic procedure for the identification, evaluation, treatment, and prevention of materials-related distress in portland cement concrete pavements.
Book Synopsis Superpave Mix Design by : Asphalt Institute
Download or read book Superpave Mix Design written by Asphalt Institute and published by . This book was released on 2001-01-01 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
