Laboratory Tests of a Centrifuge Method for Determining the Cement Content of Fresh Soil-cement PDF Download
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Author: B. H. Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Book Description
Author: B. H. Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 838
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 704
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Book Description
Author: Portland Cement Association
Publisher:
ISBN:
Category : Road materials
Languages : en
Pages : 72
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Book Description
Author: Paul A. Howdyshell
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 43
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Book Description
The report presents information obtained from laboratory evaluation of a chemical procedure for determining the water and cement content of a concrete in the plastic state. The procedure uses chloride ion titration to determine water content, and flame photometry (calcium signature) to determine cement content. This study evaluated the procedure to determine if it could be used to estimate concrete strength potential and to define to what extent test results are influenced by aggregate type, aggregate moisture conditions, aggregate absorption capacity, concrete mix proportions, mix time, and time of sampling. Results indicate that the procedure can rapidly (approximately 15 minutes) determine the water and cement content of fresh concrete and that it can be used to predict strength potential with an accuracy equal to that of predicting strength from known mix proporations. (Modified author abstract).
Author:
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Category : Matter
Languages : en
Pages : 4
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This method covers determination of the cement content of soil-cement mixtures sampled from a project under construction.
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Category : Highway engineering
Languages : en
Pages : 688
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Author:
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Category : Highway research
Languages : en
Pages : 526
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Book Description
Author: John D. Antrim
Publisher: National Academy Press
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 108
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Book Description
Research was conducted to determine the state of the art in the development, need, and use of rapid test methods. The first phase comprises a literature survey of current practices in quality control and acceptance testing, along with a study using statistical methods to assess the time limits for rapid tests. The second phase is concerned with the development and evaluation of new rapid test methods or principles to select those worthy of further investigation. thirty-eight state highway departments participated in the study, and interviews were conducted when appropriate. The second phase of the study applied to rapid test methods for asphalt content determination, compaction control, gradation of several types of aggregate, density of base course materials and soils, and moisture content. The results of all tests are appended.
