The Influence Of Natural Sand Fine Aggregate On Some Of The Properties Of Hardened Concrete Mortar PDF Download
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Author | : W. P. Chamberlin |
Publisher | : |
Total Pages | : 78 |
Release | : 1965 |
Genre | : Concrete |
ISBN | : |
Download The Influence of Natural Sand Fine Aggregate on Some of the Properties of Hardened Concrete Mortar Book in PDF, ePub and Kindle
Author | : W. P. Chamberlin |
Publisher | : |
Total Pages | : 63 |
Release | : 1965 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Download The Influence of Natural Sand Fine Aggregate on Some of the Properties of Hardened Concrete Mortar Book in PDF, ePub and Kindle
This report summarizes a laboratory study of twenty-five New York natural sands, and their affect on the freeze-thaw durability, drying shrinkage and water requirement of hardened concrete mortar and, by inference therefore, hardened concrete. The purpose of the study was to define significant aggregate properties and to suggest practical methods of measuring them.
Author | : |
Publisher | : |
Total Pages | : 666 |
Release | : 1965 |
Genre | : Highway research |
ISBN | : |
Download Highway Research News Book in PDF, ePub and Kindle
Issues for 1963- include section: Urban transportation research digest.
Author | : |
Publisher | : |
Total Pages | : 1014 |
Release | : 1966-11 |
Genre | : Science |
ISBN | : |
Download U.S. Government Research & Development Reports Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 608 |
Release | : 1968 |
Genre | : Highway engineering |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 1288 |
Release | : 1966-12 |
Genre | : Government publications |
ISBN | : |
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Author | : Stephen Brunauer |
Publisher | : |
Total Pages | : 24 |
Release | : 1969 |
Genre | : Cement |
ISBN | : |
Download Hardened Cement Pastes of Low Porosity Book in PDF, ePub and Kindle
Length changes were measured for low-porosity hardened portland cement pastes obtained from a Type I clinker using two different grinding aids, and from a Type II clinker using four. The water-cement ration was 0.2. Curing times for most pastes were 1 and 28 days. The pastes were exposed to a relative humidity of 42.7 percent, and for 30 days length was measured at intervals of 1 day or more. The results showed 1) that the type II pastes exhibited considerably less shrinkage than the Type I pastes after 1 day of curing, but that after 28 days differences in shrinkage were slight, 2) that the shrinkage differences due to different grinding aids were slight, 3) that pastes of clinkers ground to specific surfaces of about 6500 cm2/g showed less shrinkage than those of clinkers ground to higher surfaces, and 4) that the low-porosity pastes made from the same cement with a water-cement ratio of 0.4, and one-fourth to one-third as large as those made with a water-cement ration of 0.6. The main conclusion is that volume changes can be greatly reduced by using low-porosity cement pastes.
Author | : |
Publisher | : |
Total Pages | : 394 |
Release | : 1974 |
Genre | : Highway research |
ISBN | : |
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Author | : U.S. Army Engineer Waterways Experiment Station |
Publisher | : |
Total Pages | : 32 |
Release | : 1962 |
Genre | : Aggregates (Building materials). |
ISBN | : |
Download Influence of Fine-aggregate Grading on Properties of Concrete Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 526 |
Release | : 1967 |
Genre | : Highway research |
ISBN | : |
Download Highway Research in Progress Book in PDF, ePub and Kindle