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Author : Amir Koubaa
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (319 download)
Download or read book A New Methodology for Assessing the Frost Resistance of Concrete Aggregates written by Amir Koubaa and published by . This book was released on 1997 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Cooperative Highway Research Program
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (359 download)
Download or read book A Critical Review of Literature Treating Methods of Identifying Aggregates Subject to Destructive Volume Change when Frozen in Concrete written by National Cooperative Highway Research Program and published by . This book was released on 1964 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R Auberg
Publisher : CRC Press
ISBN 13 : 0203627326
Total Pages : 400 pages
Book Rating : 4.2/5 (36 download)
Download or read book Frost Resistance of Concrete written by R Auberg and published by CRC Press. This book was released on 2004-03-01 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book forms the proceedings of the international workshop to be held in Essen, Germany. This workshop summarises the conclusion of the technical committee's investigations into the resistance of concrete to freeze-thaw attack, specific in this to resistance with or without de-icing chemicals. It presents the RILEM recommendations on testing the freeze-thaw and de-icing salt resistance of concrete.
Author : Donald J. Janssen
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.E/5 ( download)
Download or read book Resistance of Concrete to Freezing and Thawing written by Donald J. Janssen and published by Strategic Highway Research Program (Shrp). This book was released on 1994 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study, aimed at improving the freeze-thaw resistance of concrete, consists of three parts. Part I evaluates parameters affecting the freeze-thaw durability of concrete. A modification of the existing standard of method for determining the durability factor of concrete specimens is proposed, and a new procedure for fundamental transverse frequency (used in durability factor calculations) has been developed. Part II focuses on developing better methods for identifying nondurable aggregates, and has resulted in a rapid new test based on the hydraulic fracture of aggregates. Part III describes field experiments to evaluate the freeze-thaw resistance of a number of specified concrete mixes and the use of sealants to mitigate D-cracking. Preliminary field performance results are presented.
Author : Cale Armstrong
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (949 download)
Download or read book Effects of Different Curing Methods and Aggregate Salt Treatment on Concrete Freeze-thaw Durability and how These Methods Can be Used to Accelerate KDOT Aggregate Qualification Procedures written by Cale Armstrong and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Kansas Department of Transportation (KDOT) currently practices a six-month procedure for determining freeze-thaw durability of coarse aggregate intended for use in concrete pavement. In addition to the excessive amount of time required to conduct this procedure, the testing conditions fail to replicate the accelerated rate of concrete deterioration commonly caused by deicer salt exposure in freeze-thaw environments. An experimental study was conducted in an attempt to reduce the duration of this aggregate qualification procedure. Limestone course aggregates from different quarries were used to batch concrete specimens. These specimens were subjected to curing regimes of different durations before being exposed to repeated cycles of freezing and thawing. The effects of the curing methods on freeze-thaw durability were then investigated. Another segment of this study entailed the immersion of coarse aggregate in salt brine solution prior to concrete batching. Salt-treated and non-salt-treated specimens were subjected to two different methods of freeze-thaw cycling to determine if the presence of salt could differentiate between aggregates with high and low performance. This study found that shorter curing methods, along with adjusted performance requirements, could be used to develop a shorter aggregate qualification procedure. It also found that shorter periods of time in more severe freeze-thaw conditions produced comparable concrete durability results to those of the current test method. Salt treatment of aggregates could indicate a difference in performance of aggregates when exposed to salts in freeze-thaw conditions. It could also be useful in determining frost resistance of hardened cement paste.
Author : Donald J. Janssen
Publisher : RILEM Publications
ISBN 13 : 9782912143310
Total Pages : 318 pages
Book Rating : 4.1/5 (433 download)
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:
Author :
Publisher :
ISBN 13 :
Total Pages : 816 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1998 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William O. Tynes
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)
Download or read book Investigation of Resistance of Preplaced-aggregate Concrete to Freezing and Thawing written by William O. Tynes and published by . This book was released on 1968 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas D. Larson
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (319 download)
Download or read book Identification of Concrete Aggregates Exhibiting Frost Susceptibility written by Thomas D. Larson and published by . This book was released on 1965 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search was made for a test or tests that would rapidly and reliably identify aggregate particles subject to destructive volume change when frozen in concrete. The test methods investigated were 1. the Powers slow freeze-thaw of concrete specimens, 2. aggregate pore system studies, 3. aggregate particle expansion studies, and 4. petrographic examination.
Author : J. Marchand
Publisher : CRC Press
ISBN 13 : 0203627091
Total Pages : 323 pages
Book Rating : 4.2/5 (36 download)
Download or read book Freeze-Thaw Durability of Concrete written by J. Marchand and published by CRC Press. This book was released on 2004-03-01 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concrete durability in climates where freezing and thawing occurs is a continuing problem. It is particularly acute for highway and bridge structures, where de-icing salts are used to combat the effects of frost, snow and ice. These salts can cause damage to concrete and accelerate corrosion of reinforcements. This book presents the latest international research on this area, with contributions from North America and Europe which were presented at an international RILEM workshop.
Author :
Publisher :
ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.:/5 (31 download)
Download or read book CRREL Bibliography written by and published by . This book was released on 1998 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council (U.S.). Highway Research Board
Publisher :
ISBN 13 :
Total Pages : 428 pages
Book Rating : 4.E/5 ( download)
Download or read book Special Report written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1964 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Development of a Conductometric Test for Frost Resistance of Concrete written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George J. Verbeck
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (198 download)
Download or read book Influence of Physical Characteristics of Aggregates on Frost Resistance of Concrete written by George J. Verbeck and published by . This book was released on 1960* with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (227 download)
Download or read book Assessing Cryogenic Testing of Aggregate for Concrete Pavements written by and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Damage to concrete pavements caused by freeze-thaw deterioration of concrete aggregate remains a serious problem. Current tests for determining an aggregate's freeze-thaw durability can take up to 70 days to perform and results from these tests don't always correlate well with field performance. A rapid test for freeze-thaw durability that would accurately predict field service would be a valuable tool for providing durable concrete. Cycling aggregate 10 times between liquid nitrogen and hot water proved useful as a tool to rule out frost-susceptible aggregate. Pore size distribution measurements reveal pore sizes that are critical to freeze-thaw durability. Aggregates with more than 75% of their measurable pore volume between pore diameters of 0.01 and 5 micrometers or with more than 95% of their measurable pore volume smaller than 5 micrometers were susceptible to frost damage. Thus a new freeze-thaw test for aggregates might employ the cryogenic test to screen out all frost- susceptible aggregate and pore size measurement classify the rest. This new test procedure offers results much sooner than current standard test procedures. Further study is needed to refine this method for general use. (MM).
Author : Building Research Station (Great Britain)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (658 download)
Download or read book Heavy Concrete written by Building Research Station (Great Britain) and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (3 download)
Download or read book SIPRE Report written by and published by . This book was released on with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
