Evaluation of Coarse Aggregate Quality with Respect to Current Specifications for Pavement Mixtures

Evaluation of Coarse Aggregate Quality with Respect to Current Specifications for Pavement Mixtures
Title Evaluation of Coarse Aggregate Quality with Respect to Current Specifications for Pavement Mixtures PDF eBook
Author Amy Jo Hardy
Publisher
Pages 186
Release 2009
Genre Aggregates (Building materials)
ISBN

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Incorporation of Property-Based Testing in Coarse Aggregate Specifications for Pavement Applications

Incorporation of Property-Based Testing in Coarse Aggregate Specifications for Pavement Applications
Title Incorporation of Property-Based Testing in Coarse Aggregate Specifications for Pavement Applications PDF eBook
Author Magdy Abdelrahman
Publisher
Pages 14
Release 2010
Genre Aggregate
ISBN

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The demand for pavement facilities that can handle increasing loads escalates the need for high quality aggregate material. While once plentiful, quality aggregate sources are starting to diminish. When aggregates are eliminated locally by resource depletion as well as land development that prohibits mining, the cost of construction can rise significantly. The cost of transporting quality aggregate materials from other places that comply with specifications can be very expensive. Coarse aggregate specifications for pavement mixtures for many states are outdated, with some sections dating back to around the 1930s. Specifications do not reflect the current level of knowledge concerning testing methodologies of desirable aggregate properties for pavement applications, especially at the local and low volume level. There is a need to evaluate the quality of aggregates based on the suitability of property-based testing requirements. A better understanding of testing requirements used to evaluate material properties can lead to a better utilization of local aggregate materials and reduce the reliance on diminishing high quality sources. This study investigates what property-based testing requirements have been established in current specifications as well as new areas of testing that need to be developed. A questionnaire of professionals defined a set of testing requirements for different pavement applications, which were then compared to the currently specified testing requirements. The results concluded that gaps exist in how professionals define quality aggregate compared to what current specifications define as quality aggregate. This creates the need for the inclusion of more property-based testing that could better characterize aggregates based on pavement performance. This type of characterization could open up the possibility of utilizing local materials that are normally rejected for lower volume applications.

Aggregate Quality Requirements for Pavements

Aggregate Quality Requirements for Pavements
Title Aggregate Quality Requirements for Pavements PDF eBook
Author E. Tutumluer
Publisher
Pages 92
Release 2018
Genre Aggregates (Building materials)
ISBN 9780309390453

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Investigation of Coarse Aggregate Strength for Use in Stone Matrix Asphalt

Investigation of Coarse Aggregate Strength for Use in Stone Matrix Asphalt
Title Investigation of Coarse Aggregate Strength for Use in Stone Matrix Asphalt PDF eBook
Author Brandon J. Celaya
Publisher
Pages
Release 2006-09-15
Genre
ISBN 9781622601318

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Effects on Concrete Quality of Fluctuations, Within Specification Limits, in Coarse Aggregate Grading

Effects on Concrete Quality of Fluctuations, Within Specification Limits, in Coarse Aggregate Grading
Title Effects on Concrete Quality of Fluctuations, Within Specification Limits, in Coarse Aggregate Grading PDF eBook
Author William O. Tynes
Publisher
Pages 34
Release 1966
Genre Aggregates (Building materials).
ISBN

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Evaluation of Fine Aggregate Quality for Hot Mix Asphalt

Evaluation of Fine Aggregate Quality for Hot Mix Asphalt
Title Evaluation of Fine Aggregate Quality for Hot Mix Asphalt PDF eBook
Author Fraizer Parker
Publisher
Pages 76
Release 1997
Genre Pavements, Asphalt concrete
ISBN

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Superpave Mix Design

Superpave Mix Design
Title Superpave Mix Design PDF eBook
Author Asphalt Institute
Publisher
Pages 102
Release 2001-01-01
Genre Asphalt
ISBN 9781934154175

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