Optimum Size Coarse Aggregate For Portland Cement Concrete Paving
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Author | : American Concrete Paving Association. Materials and Mix Design Technical Subcommittee |
Publisher | : |
Total Pages | : 28 |
Release | : 1972 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 222 |
Release | : 1989 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 172 |
Release | : 2006 |
Genre | : Pavements, Concrete |
ISBN | : |
ODOT is continually searching for ways to improve the cost efficiency of Portland cement concrete without sacrificing concrete strength and stiffness. Because Portland cement is easily the most costly material used in normal concrete, limiting the amount of cement used is the quickest way to achieve cost effectiveness. In addition, limiting the cement content will also help to prevent dimensional instabilities in concrete such as shrinkage and creep. The use of larger sized coarse aggregates may be useful in limiting cement content, yet larger sized coarse aggregates may also decrease concrete strength by weakening the aggregate-cement paste bond. In many transportation structures, such as pavements, concrete strength is not critical, as dimensional stability, porosity, and durability play a more important role. It is possible, therefore, that larger sized coarse aggregates can reduce the cement content and improve these properties. Laboratory research is needed to determine if larger sized coarse aggregates can improve cement efficiency without reducing concrete strength.
Author | : Sanjaya P. Senadheera |
Publisher | : |
Total Pages | : 203 |
Release | : 1996 |
Genre | : Aggregates (Building materials) |
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Author | : |
Publisher | : |
Total Pages | : 30 |
Release | : 1957 |
Genre | : |
ISBN | : |
Author | : Gregory E. Halsted |
Publisher | : |
Total Pages | : 20 |
Release | : 2006 |
Genre | : Pavements |
ISBN | : 9780893122539 |
Cement-treated base (CTB) is a general term that applies to an mixture of native soils and/or manufactured aggregates with measured amounts of portland cement and water that is compacted and cured to form a strong, durable, frost resistant paving material. Other descriptions such as soil-cement base, cement-treated aggregate base, cement-stabilized base are sometimes used. This document provides a basic guide on the use of cement-treated base (CTB) for pavement applications. This document provides on overview on the design and construction of CTB for both mixed-in-place and central plant mixed operations. A suggested construction specification is also included.
Author | : |
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Total Pages | : 394 |
Release | : 2021-08-19 |
Genre | : Technology & Engineering |
ISBN | : 9783036514819 |
Author | : National Research Council (U.S.). Highway Research Board |
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Total Pages | : 1176 |
Release | : 1961 |
Genre | : Highway engineering |
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Author | : American Concrete Paving Association. Technical Subcommittee on Surface Properties |
Publisher | : |
Total Pages | : 20 |
Release | : 1975 |
Genre | : Pavements, Concrete |
ISBN | : |
Author | : B. Frank McCullough |
Publisher | : |
Total Pages | : 118 |
Release | : 1993 |
Genre | : Aggregates (Building materials) |
ISBN | : |
This report focuses on aggregates used in the construction of continuously reinforced concrete pavements (CRCP). Specific chapters address (1) past research regarding aggregates used in CRCP, (2) field and laboratory investigations of CRCP, and (3) CRCP behavior and distress. The report reviews such topics as spalling and punchout distresses in continuously reinforced and jointed pavements, aggregate shape characterization using fractals, and the determination of sawcut depth using fractal analysis. Some of these activities relate directly to improving pavement performance, regardless of aggregate type used for construction.