NCHRP Report 555:

Test Methods for Characterizing Aggregate Shape, Texture, and Angularity

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Size: 94 pages, 8.5 x 11

Publication Year:2007

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Authors:
Taleb Al-Rousan; Eyad A Masad; Dallas N Little; Joe W Button; Erol Tutumluer; Transportation Research Board
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TRB's National Cooperative Highway Research Program (NCHRP) Report 555: Test Methods for Characterizing Aggregate Shape, Texture, and Angularity examines a methodology for classifying aggregates based on the distribution of shape, texture, and angularity characteristics. The report also explores a test ...
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Table of Contents
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Front Matter	i-ix
Summary	1-2	(skim)
Scope of Study	3-3	(skim)
Evaluation of Test Methods	4-4	(skim)
Ranking and Recommendation of Test Methods	5-5	(skim)
Evaluation of Merits and Deficiencies of Test Methods	6-8	(skim)
Aggregate Selection	9-10	(skim)
Evaluation of Repeatability and Reproducibility	11-12	(skim)
Evaluation of Accuracy	13-19	(skim)
Cost and Operational Characteristics of Test Methods	20-20	(skim)
Background on the Process	21-21	(skim)
Program Description	22-25	(skim)
AHP Ranking of Test Methods	26-26	(skim)
Fine Aggregate Angularity	27-28	(skim)
Coarse Aggregate Shape	29-32	(skim)
X-Ray Computed Tomography of Aggregates	33-35	(skim)
Analysis and Results	36-44	(skim)
Use of Aggregate Acceptance Tests in Specifications	45-46	(skim)
General Conclusions	47-47	(skim)
Applicability and Suggested Research	48-48	(skim)
References	49-50	(skim)
Appendix A	51-83	(skim)
Appendixes B, C, D, and E	84-84	(skim)
Abbreviations used without definitions in TRB publications	85-85	(skim)

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 555: Test Methods for Characterizing Aggregate Shape, Texture, and Angularity examines a methodology for classifying aggregates based on the distribution of shape, texture, and angularity characteristics. The report also explores a test method that it is appropriate for use in central and field laboratories, which measures shape, texture, and angularity characteristics of aggregates used in hot-mix asphalt, hydraulic cement concrete, and unbound base and subbase layers of pavements. Appendixes for the report were published as NCHRP Web-Only Document 80.

NCHRP Report 555:

Test Methods for Characterizing Aggregate Shape, Texture, and Angularity

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