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Effects of Laboratory Asphalt Concrete Specimen ...

Effects of Laboratory Asphalt Concrete Specimen Preparation Variables on Fatigue and Permanent Deformation Test Results Using Strategic Highway Research Program A-003A Proposed Testing Equipment JoHN HARVEY AND CARLL. MoNISMITH A study was carried out to determine the effects

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EFFECTS OF LABORATORY ASPHALT CONCRETE SPECIMEN ...

EFFECTS OF LABORATORY ASPHALT CONCRETE SPECIMEN PREPARATION VARIABLES ON FATIGUE AND PERMANENT DEFORMATION TEST RESULTS USING STRATEGIC HIGHWAY RESEARCH PROGRAM A-003A PROPOSED TESTING EQUIPMENT. A study was carried out to determine the effects of laboratory specimen preparation variables on permanent deformation,

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Effect of Delay in Testing Asphalt Concrete Specimens for ...

Effect of Delay in Testing Asphalt Concrete Specimens for Stability. The Central Laboratory has been delaying the mix design testing of 2 1/2" X 4" Marshall specimens for stability, until the next day after molding. For exam­ ple, if the mixes are made and samples molded on Friday a man would have to

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Effects of specimen size and loading conditions on the ...

Feb 01, 2021  Thus, in the available standards for asphalt concrete, for each specimen diameter, the minimum thickness is set with a strict requirement for aggregate size, to avoid localized effects and variation in test results. Aggregate size also affects the crack propagation pattern in the SCB test sample due to non-homogeneity.

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Effects of Material Properties, Specimen Geometry, and ...

Effects of Material Properties, Specimen Geometry, and Specimen Preparation Variables on Asphalt Concrete Tests for Rutting A Final Report for: The Federal Highway Administration Office of Technology Applications Washington, D. C. By: J. Harvey, I. Guada, F. Long March, 1999

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Influence of specimen size on fracture energy of asphalt ...

This study seeks to extend the current understanding of fracture in asphalt concrete by: providing new experimental fracture data from specimens with a range of in-plane dimensions and thicknesses; studying the size effect of asphalt concrete fracture in the context of the classic size effect law; applying a boundary effect model to obtain the ...

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Evaluation of thermal conductivity of asphalt concrete ...

Jun 05, 2015  1. Introduction. Asphalt concrete is one of the most widely used pavement materials in road construction. Thermal properties of asphalt concrete have important influences on temperature distributions in the asphalt pavement structure and thus pavement life .Due to viscoelastic nature of asphalt binder, mechanical properties of asphalt concrete vary significantly due to diurnal and

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Effects of Material Properties, Specimen Geometry, and ...

Effects of Material Properties, Specimen Geometry, and Specimen Preparation Variables on Asphalt Concrete Tests for Rutting A Final Report for: The Federal Highway Administration Office of Technology Applications Washington, D. C. By: J. Harvey, I. Guada, F. Long March, 1999

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The use of waste materials in asphalt concrete mixtures

The purpose of this study was to investigate (a) the effects of rubber and plastic concentrations and rubber particle sizes on properties of asphalt cement, (b) on properties of asphalt concrete specimens and (c) the effects of fly ash, marble powder, rubber powder and petroleum contaminated soil as filler materials instead of stone powder in the asphalt concrete specimens.

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Effects of material properties, specimen geometry, and ...

Download Citation Effects of material properties, specimen geometry, and specimen preparation variables on asphalt concrete tests for rutting Laboratory tests and analyses were conducted to ...

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The effects of porosity, asphalt content and fiberglass ...

Jun 01, 2021  Several types of research have already been conducted in order to assess the mechanical behavior of asphalt concrete specimens. The tensile strength was assessed by Li and Molenaar (2012), Likitlersuang and Chompoorat (2016), Gupta and Suresh (2017), Mahyuddin et al. (2017), Fakhiri et al. (2017) and others.

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Effects of Material Properties, Specimen Geometry, and ...

Author(s): Harvey, J.; Guada, Irwin M.; Long, Fenella Abstract: This report presents the results of laboratory tests and analyses performed as a part of the effort by the Federal Highway Administration (FHWA) to develop simple performance tests for asphalt concrete mix analysis and design for highway pavement applications. Three specific areas are addressed, namely: 1. The non-linearity of ...

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Effects of asphalt emulsion on the durability of self ...

Jul 19, 2021  The specimens were first put into the saturated Ca (OH) 2 solution for 28 days curing, then the concrete specimens were rinsed with clean water, dried and placed in the oven for six hours at 80 ℃. After the specimens were taken out of the oven, and cooled for 1 h, the specimens were soaked in 5% Na 2 SO 4 solution for 16 h.

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Specimen type effect on measured low‐temperature fracture ...

Nov 26, 2020  Specimen type effect on measured low-temperature fracture toughness of asphalt concrete. N. Shahryari, Department of Engineering, Payame Noor University, Tehran, Iran. Search for more papers by this author. M.R. Keymanesh, ... demonstrating the effect of specimen type on mode I fracture behaviour.

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Influence of specimen geometry on mode I fracture ...

Mar 22, 2021  Marasteanu and coworkers [4] measured the fracture toughness of an asphalt concrete using the single edge notch bend beam (SENB) specimen at −18 °C in the range between 0.52 and 0.61 MPa.m 0.5. By mode I testing of the SENB specimen at low temperature condition, Kim and coworkers [53] reported that the fracture toughness of polymer modified ...

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EFFECT OF SPECIMEN SIZE ON COMPACTION AND VOLUMETRIC ...

EFFECT OF SPECIMEN SIZE ON COMPACTION AND VOLUMETRIC PROPERTIES IN GYRATORY COMPACTED HOT-MIX ASPHALT CONCRETE SPECIMENS. Gyratory compaction is the centerpiece of the Strategic Highway Research Program asphalt mixture design procedure Superpave. A number of factors could potentially affect the behavior of asphalt mixes in the gyratory compactor.

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Effects of high density polyethylene on the permanent ...

modified and unmodified asphalt concrete3 and there are many studies4-8 about characterizing the Marshall stability and flow and creep behaviour of both polymer modified and unmodified creep behaviour of asphalt concrete specimens. Meegoda9 showed that asphalt concrete mixes made with petroleum-contaminated soils were strong enough to be used in

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Effects of specimen size and loading conditions on the ...

Effects of specimen size and loading conditions on the fracture behaviour of asphalt concretes in the SCB test. / Lu, Dai Xuan; Bui, Ha H.; Saleh, Mofreh. In: Engineering Fracture Mechanics, Vol. 242, 107452, 01.02.2021. Research output: Contribution to journal › Article › Research › peer-review

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IDEALS @ Illinois: Effect of specimen geometry and test ...

Therefore, this work investigates the effect of the notch length, specimen thickness, loading rate, air void content, and asphalt binder on I-FIT global results and microstructural response. Multiple samples with varying notch lengths, thicknesses, and loading rates were evaluated to observe the effect

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On the Representative Volume Element of Asphalt Concrete ...

theoretical part, asphalt concrete specimens of different sizes were analyzed based on digital image analysis, micromechanics, and finite element modeling. The volumetric fractions and particle size distributions of the different specimen sizes were estimated from their binary images after digital processing. The volumetric fraction and the average

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Effects of Test Parameters on Resilient Modulus of ...

Effects of Test Parameters on Resilient Modulus of Laboratory-Compacted Asphalt Concrete Specimens RICHARD L. BOUDREAU, R. GARY HICKS, AND ARTHUR M. FURBER The resilient modulus of a laboratory-compacted asphalt concrete specimen is dependent on many factors, including the test system used, the test operator, the method of compaction, the level ...

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Effect of Delay in Testing Asphalt Concrete Specimens for ...

Effect of Delay in Testing Asphalt Concrete Specimens for Stability. The Central Laboratory has been delaying the mix design testing of 2 1/2" X 4" Marshall specimens for stability, until the next day after molding. For exam­ ple, if the mixes are made and samples molded on Friday a man would have to

Get Price

Effect of Delay in Testing Asphalt Concrete Specimens for ...

The Central Laboratory has been delaying the mix design testing of 2 1/2" X 4" Marshall specimens for stability, until the next day after molding. For example, if the mixes are made and samples molded on Friday a man would have to come in and work on Saturday to test these specimens. The reason for this is that the ASTM-01559 "Resistance to Plastic Flow of Bituminous Mixes Using Marshall ...

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EFFECT OF SPECIMEN GEOMETRY AND TEST

Officials provisional standards (AASHTO TP 124) to evaluate the cracking vulnerability of asphalt concrete. The test consists of a semi-circular asphalt concrete sample that has a vertical notch loaded along the symmetric axis resulting in mode-I type of fracture similar to,

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EFFECT OF SPECIMEN SIZE ON COMPACTION AND VOLUMETRIC ...

EFFECT OF SPECIMEN SIZE ON COMPACTION AND VOLUMETRIC PROPERTIES IN GYRATORY COMPACTED HOT-MIX ASPHALT CONCRETE SPECIMENS. Gyratory compaction is the centerpiece of the Strategic Highway Research Program asphalt mixture design procedure Superpave. A number of factors could potentially affect the behavior of asphalt mixes in the gyratory compactor.

Get Price

(PDF) Effects of specimen size and loading conditions on ...

Thus, in the available standards for asphalt concrete, for each specimen diameter, the minimum thickness is set with a strict requirement for aggregate size, to avoid localized effects and ...

Get Price

The use of waste materials in asphalt concrete mixtures

The purpose of this study was to investigate (a) the effects of rubber and plastic concentrations and rubber particle sizes on properties of asphalt cement, (b) on properties of asphalt concrete specimens and (c) the effects of fly ash, marble powder, rubber powder and petroleum contaminated soil as filler materials instead of stone powder in the asphalt concrete specimens.

Get Price

Effect of specimen thickness on the fracture resistance of ...

Effect of specimen thickness on the fracture resistance of hot mix asphalt in the disk-shaped compact tension (DCT) configuration Calvin M. Stewart⇑, Chinedu W. Oputa, Eduardo Garcia Department of Mechanical Engineering, The University of Texas at El Paso, 500 West University Avenue, Suite A126, El Paso, TX 79968-0521, United States

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Effects of Material Properties, Specimen Geometry, and ...

Author(s): Harvey, J.; Guada, Irwin M.; Long, Fenella Abstract: This report presents the results of laboratory tests and analyses performed as a part of the effort by the Federal Highway Administration (FHWA) to develop simple performance tests for asphalt concrete mix analysis and design for highway pavement applications. Three specific areas are addressed, namely: 1. The non-linearity of ...

Get Price

Effects of material properties, specimen geometry, and ...

Download Citation Effects of material properties, specimen geometry, and specimen preparation variables on asphalt concrete tests for rutting Laboratory tests and analyses were conducted to ...

Get Price

Specimen type effect on measured low‐temperature fracture ...

Nov 26, 2020  Specimen type effect on measured low-temperature fracture toughness of asphalt concrete. N. Shahryari, Department of Engineering, Payame Noor University, Tehran, Iran. Search for more papers by this author. M.R. Keymanesh, ... demonstrating the effect of specimen type on mode I fracture behaviour.

Get Price

Effects of high density polyethylene on the permanent ...

modified and unmodified asphalt concrete3 and there are many studies4-8 about characterizing the Marshall stability and flow and creep behaviour of both polymer modified and unmodified creep behaviour of asphalt concrete specimens. Meegoda9 showed that asphalt concrete mixes made with petroleum-contaminated soils were strong enough to be used in

Get Price

(PDF) Comparison of Testing Method Effects on Cracking ...

May 31, 2021  As an inherent characteristic of materials, the fracture toughness is an important parameter to study the cracking behavior of asphalt concrete mixtures.

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Material-Specific Effects of Hydrated Lime on the ...

volumetric characteristics of the asphalt matrix specimen with the volumetric characteris-tics of asphalt concrete mixtures to produce a cylindrical specimen (50-mm long and 12 mm in diameter). A more detailed description of the asphalt matrix specimen fabrication can be found in previous studies [14–16]. 4. Laboratory tests

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Permeability of Asphalt Surface Seals and Their Effect on ...

Jan 01, 1996  By knowing the amount of oxidative aging that occurred in uncovered and covered specimens of asphalt concrete and the permeability of the surface seals, the effects of the surface seals on aging of an underlying asphalt concrete layer were interpolated. Testing indicated that a surface seal can retard oxidative hardening of an underlying ...

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