VALIDATION OF SUPERPAVE FINE AGGREGATE

VALIDATION OF SUPERPAVE FINE AGGREGATE ANGULARITY VALUES Final Report Prepared by Eddie N. Johnson Mihai O. Marasteanu Timothy R. Clyne Xinjun Li University of Minnesota Department of Civil Engineering March 2004 Published by Minnesota Department of Transportation Research Services Section Mail Stop 330 395 John Ireland Boulevard

Fine Aggregate Angularity from Geotechnical Perspective

Sep 19, 2011 · The 19 different gradation and aggregate source combinations are tested using the Fine Aggregate Angularity Test Method C as outlined by AASHTO T304 (2003) and ASTM C1252 (2003), the direct shear test, compacted aggregate resistance (CAR) test, modified light Clegg Hammer, and an aggregate imaging system device.

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Fine Aggregate Angularity ApparatusKarol-Warner

Fine Aggregate Angularity Apparatus is used to determine the loose uncompacted void content of aggregate. This testing method provides an indication of aggregate spherical shape, angularity, and workability within a mixture. Test sample is mixed until homogeneous and poured into the funnel of the device while the funnel stem is blocked.

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4 Aggregate Specifications and Requirements

The total blended aggregate from the fine and coarse aggregates, and recycled materials used in HMA are required to meet the fine aggregate angularity (FAA) requirements of Section 904.02(b). The procedure for determining the FAA value is described in Method A of AASHTO T 304.

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Fine Aggregate Angularity ApparatusGilson Co.

The Fine Aggregate Angularity Apparatus determines the uncompacted void content of fine aggregates to determine angularity and sphericity properties that affect workability of mix designs. Gilson offers two models for this popular test.

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Effects of Aggregate Angularity on Mix Design

for the coarse aggregate angularity measurement, the AASHTO T326 method was an improvement over the current Superpave method, ASTM D5821, in that it was more objective and was very simple to perform with much less testing time. For the fine aggregate angularity measurement, the current Superpave testing method, AASHTO T304, was

Authors Yongrak Kim · Leonardo T SouzaAbout Finite element method
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Fine-Aggregate Angularity Automated Image Analysis

The proposed imaging techniques are used to capture the aggregate angularity of 23 sand samples that represent a wide range of materials. The results are compared with visual analysis and indirect methods of measuring fine-aggregate angularity, such as the uncompacted air voids, and the angle of internal friction of aggregate mass.

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2015 Fine Aggregate Angularity ReportOhio Department

Revised 1/9/2015 2015 Fine Aggregate Angularity Report ODOT‐OMM 2015 Fine Aggregate Angularity Report FAA Values Producer Supplier Name & Material Type Prodr Supp Cd Aggregate S FAA PRECISION‐PORTAGE Crushed Carbonate Stone 04133‐01 Sand 48.0 PUTNAM AGGREGATES‐OTTAWA Sand 47.8 Screenings 49.0

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Aggregates Aggregate angularity HMA Lab Supply

AggregatesHMA Lab Supply specializes in laboratory equipment and supplies for the asphalt and aggregate testing industry and has been in operation for over 20 years.

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Fine Aggregate Angularity Conventional and Unconventional

A study was undertaken to evaluate the ability of current Superpave FAA method to measure fine aggregate angularity, to determine if it can distinguish between good performing and poor performing aggregates, and compare FAA test results with other measures of particle angularity.

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Effects of Aggregate Gradation and Angularity on VMA and

This VMA criteria is a function of only the nominal size of aggregate regardless of shape, texture, or gradation. The Superpave volumetric mixture design process contains a required minimum value for fine aggregate angularity (FAA) as a function of traffic level and position of

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Aggregate Angularity Flakiness / Elongation Index

Void Content measures the angularity, sphericity, and surface texture of fine and coarse aggregates. Proportional Calipers are efficient devices that quickly determine percentages of elongated and flat particles in coarse aggregate fractions. Flakiness & Elongation of Aggregates are measured using a thickness gauge and a length gauge to hand-try particles when determining flakiness index and

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1206 AASHTO Designation T 304 1206.1 1206.2 Equipment

The fine aggregate angularity test determines the loose uncompacted void content of a fine aggregate material. The void content information derived from this test gives you an indication of the effect fine aggregate will have on stability and voids in the mineral aggregate.

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Fine Aggregate Angularity Sand Equivalent L.A. Abrasion

Fine Aggregate Angularity proportions of fine aggregate and clay-size materials on a minus #4 portion of a sample Superpave requirements ± Excessive clay can contribute to stripping in asphalt mixtures ± The Department may waive the S.E. requirement provided

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WHAT IS ANGULARITY NUMBER OF AGGREGATE?CivilBlog

Aug 12, 2014 · Angularity Number Angularity number is used to give an indication of shape of aggregate. The concept of angularity number was suggested by Shergold. It gives a qualitative representation of shape of aggregate. Angularity Number Test Angularity number test gives an idea of how angular the aggregate is. This is based on the percentage of voids []

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Aggregates Aggregate angularity HMA Lab Supply

AggregatesHMA Lab Supply specializes in laboratory equipment and supplies for the asphalt and aggregate testing industry and has been in operation for over 20 years.

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Characterization of coarse aggregate angularity using

(D'Angelo 1996). Increasing fine aggregate angularity will increase the VMA (voids in mineral aggregate) thereby reducing durability of the pavement (D'Angelo 1996). The shape, angularity, and texture of aggregates affect several Portland cement concrete (PCC) properties, such as workability, water demand, and coarse aggregate-

Authors Gregory Allen SwiftAffiliation Missouri University of Science and Technology
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Coarse Aggregate AngularityPavement Interactive

Overview. The coarse aggregate angularity (CAA) test is a method of determining the angularity of coarse aggregate (Figure 1). Coarse aggregate angularity is important to ensure adequate aggregate interlock and prevent excessive HMA deformation under load ().. Figure 1 Angular Coarse Aggregate. The CAA test estimates coarse aggregate angularity by visually inspecting a small sample of coarse

Pavement 2 Flashcards Quizlet

fine aggregate angularity This property ensures a high degree of fine aggregate internal friction and rutting resistance. Measured as the percent air voids present in loosely compacted aggregates

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METHOD OF TEST FOR UNCOMPACTED VOID CONTENT OF FINE AGGREGATE

of a sample of fine aggregate. When measured on any aggregate of known grading, void content provides an indication of that aggregate's angularity, sphericity, and surface texture compared to other fine aggregates tested in the same grading. This method uses a standard fine aggregate grading that is obtained by combining individual

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Quantify Shape, Angularity and Surface Texture of

A1 Correlation between Fine Aggregate Angularity, Flat and Elongated Results and Image Analysis Results..103 A2 Correlation between Compacted Aggregate Resistance and Image Analysis Results ..104 B1 Effect of Crushing on Radius Angularity of Limestone Aggregate ..107 B2 Effect of Crushing on Gradient Angularity and Radius Angularity of

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METHOD OF TEST FOR UNCOMPACTED VOID CONTENT OF FINE AGGREGATE

of a sample of fine aggregate. When measured on any aggregate of known grading, void content provides an indication of that aggregate's angularity, sphericity, and surface texture compared to other fine aggregates tested in the same grading. This method uses a standard fine aggregate grading that is obtained by combining individual

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Characterization of coarse aggregate angularity using

(D'Angelo 1996). Increasing fine aggregate angularity will increase the VMA (voids in mineral aggregate) thereby reducing durability of the pavement (D'Angelo 1996). The shape, angularity, and texture of aggregates affect several Portland cement concrete (PCC) properties, such as workability, water demand, and coarse aggregate-

Authors Gregory Allen SwiftAffiliation Missouri University of Science and Technology
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Fine Aggregate AngularityHow is Fine Aggregate

Bushek, "Effect of fine aggregate angularity on compaction and shearing resistance of asphalt mixtures," Transportation Research Record, no. SGC tests for influence of material composition on compaction characteristic of asphalt mixtures

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Fine Aggregate Angularity (FAA) (20)

Welcome to the Fine Aggregate Angularity course. This course describes the fine aggregate angularity (FAA) test, a method of determining the angularity of fine aggregate, which is important in determining hot mix asphalt mixture susceptibility to deformation under load (rutting).

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Read "A Manual for Design of Hot-Mix Asphalt with

Read chapter Chapter 4Aggregates TRB's National Cooperative Highway Research Program (NCHRP) Report 673 A Manual for Design of Hot-Mix Asphalt with Login Register Cart Help. A Manual for Design of Hot-Mix Fine Aggregate Angularity The angularity of the fine aggregate fraction is as important as the angularity of the coarse

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Fine-Aggregate-AngularityFine Aggregate Angularity

Fine Aggregate Angularity • AASHTO T 304 or ASTM C 1252 Uncompacted Void Content of Fine Aggregate • The FAA test indirectly measures the angularity of fine aggregate using the aggregate's uncompact void content. Angularity is a description of the degree of roughness, surface irregularities or sharp angles of the aggregate particles

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Standard Test Methods for Uncompacted Void Content of Fine

1.1 These test methods cover the determination of the loose, uncompacted void content of a sample of fine aggregate. When measured on any aggregate of a known grading, void content provides an indication of that aggregate's angularity, sphericity, and surface texture compared with other fine aggregates tested in the same grading.

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UNCOMPACTED VOID CONTENT OF FINE AGGREGATE

Specific Gravity of Fine Aggregate If the bulk specific gravity (G sb) of the fine aggregate sample is unknown, determine it according to Idaho IT-144. Procedure 1. Record all masses to the nearest 0.1 g. 2. Record the mass of the empty measure 3. Mix each test sample with the spatula until it appears to be homogeneous. 4.

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Effects of Aggregate Gradation and Angularity on VMA and

This VMA criteria is a function of only the nominal size of aggregate regardless of shape, texture, or gradation. The Superpave volumetric mixture design process contains a required minimum value for fine aggregate angularity (FAA) as a function of traffic level and position of

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Implementation of a Fine Aggregate Angularity Test

Implementation of a Fine Aggregate Angularity Test Tim Aschenbrener 1.0 Introduction Rutting of a hot mix asphalt (HMA) pavement is primarily related to aggregate structure and secondarily related to asphalt cement stiffness. One of the key components of the aggregate structure is the angularity of the fine aggregate.

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Fine Aggregate AngularityPavement Interactive

Overview
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Characteristics of Iowa Fine Aggregate

The objective of this research was to evaluate the quality (angularity, mortar strengths and alkali-silica reactivity) of fine aggregate for Iowa portland cement concrete (pee) pavements. Sands were obtained from 30 sources representative of fine aggregate across Iowa. The gradation, fineness modulus

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METHOD OF TEST FOR UNCOMPACTED VOID CONTENT OF FINE AGGREGATE

of a sample of fine aggregate. When measured on any aggregate of known grading, void content provides an indication of that aggregate's angularity, sphericity, and surface texture compared to other fine aggregates tested in the same grading. This method uses a standard fine aggregate grading that is obtained by combining individual

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DOTD TR 121 10/11/17 Page 1 8 FINE AGGREGATE

This method of test determines the loose uncompacted void content of fine aggregate samples. Uncompacted void content provides an indication of angularity, sphericity, and surface texture for an aggregate of known gradation. B. Reference Documents 1. DOTD S 101Sampling Aggregates / Aggregate Mixtures 2.

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Exp 2 Aggregate Angularity NumberCivil Engineers PK

Exp 2 Aggregate Angularity Number. EXPERIMENT NO. 2 Determination of Angularity Number for the given aggregate sample. This test is also carried out for determining shape of the aggregates. Based upon shape the aggregates may be classified as Rounded, Angular or Flaky. Angular particles possess well defined edges formed at the intersection of

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Determination of fine aggregate angularity in relation

The aggregate must have the appropriate gradation and shape to design asphaltic mixtures with long and satisfactory service lifes. Fine aggregate is a primary constituent of asphaltic mixtures and the amount and angularity of fine aggregate are important factors affecting the performance of

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The effect of fine aggregate angularity, asphalt content

The Wisconsin Department of Transportation (WisDOT) has implemented the Superpave recommendations in the 2000 Supplemental Specifications. This research was directed towards better understanding of the influence of angularity of fine aggregates, asphalt content, and performance grade of asphalts on hot mix asphalt (HMA) performance.

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