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a multiple laboratory study of hot mix asphalt performance

a multiple laboratory study of hot mix asphalt performance

Laboratory Performance of Hot Mix Asphalt with High ...

2019-8-9  Recently, there has been an increasing interest in the applications of recycled mixtures with a high reclaimed asphalt pavement (RAP) content. However, many government departments are hesitant about the applications of that due to being worried about the durability of its pavement, and few findings has been reported in terms of the percentage of fine reclaimed asphalt pavement (FRAP, 0~5 mm ...

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Laboratory Performance Evaluation of Hot-Mix Asphalt ...

Aggregate gradation and asphalt type are traditional variables that affects mix design of Hot-Mix Asphalt (HMA). Recently, the number of design gyrations (Ndes) has been increasingly accepted as another variable parameter during the design process. Due to the growing shortage of high-quality raw materials, it is necessary to make full use of the combined roles between these design parameters ...

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Laboratory performance of warm mix asphalt containing ...

2014-8-14  This study aims to evaluate the laboratory performance of warm mix asphalt containing reclaimed asphalt pavement (WMA–RAP) materials. The WMA mixtures containing 0% and 40% RAP were produced using Evotherm-DAT and S-I WMA additives. The laboratory performance tests included rutting, bending, freeze–thaw splitting, Marshall immersion, aging ...

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Cracking and Rutting Performance of Asphalt Mixes for a ...

2020-10-20  performance of asphalt mixes. 3.1 Materials For laboratory compacted samples, four types of mixtures were included in this study, namely the hot-mix asphalt with no additive (HMA), and warm-mix asphalt with three Evotherm dosages as a percent of binder content (WMA 0.3%, WMA 0.5%, and WMA 0.7%). Evotherm is a chemical additive that improves the

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The Effect of Recycled Asphalt Materials on Hot Mixed ...

2012-4-26  The Effect of Recycled Asphalt Materials on Hot Mixed Asphalt Pavement Performance ... Several producers submitted their ground RAS samples to the Mn/Dot laboratory for inclusion in the study. These RAS samples were tested for gradation, and deleterious materials (DM) content; these results were later used to assist in the development of an ...

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Laboratory Investigation of Mixing Hot-Mix Asphalt with ...

2005-1-1  Laboratory Investigation of Mixing Hot-Mix Asphalt with Reclaimed Asphalt Pavement Baoshan Huang, Guoqiang Li, Dragan Vukosavljevic, Xiang Shu, and Brian K. Egan Transportation Research Record 2005 1929 : 1 , 37-45

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Permanent Deformation Analysis of Hot-Mix Asphalt

2006-1-1  A complex laboratory study in characterization of permanent deformation resistance of hot-mix asphalt (HMA) mixtures is presented. Six plant-produced

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Laboratory evaluation of electromagnetic density gauges ...

2018-1-15  This paper presents a laboratory study aiming to evaluate the performance of electromagnetic (EM) density gauges as a non-destructive tool for hot mix asphalt (HMA) density measurement. In total, 36 HMA testing slabs with different compositions were prepared in laboratory. EM density gauge data were collected from these slabs using two common ...

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Towards very high RAP content asphalt mixes: A ...

2021-7-13  1. Introduction. Hot recycling of reclaimed asphalt pavement (RAP) in new bituminous mixtures is a technique dating back to 30 years ago so that, nowadays, it is a standard procedure adopted in many countries (Asphalt Institute, 1981; Hugener and Kawakami, 2017; National Research Council, 1980) in view of the well-documented economic and environmental savings related to the

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Evaluation of Long-Term Performance of Stone Matrix ...

Stone mastic asphalt (SMA) has been used for decades to extend the life of asphalt pavements, especially in terms of rutting resistance. However, its performance and cost-effectiveness have been debated. This study evaluates the long-term performance of an SMA pavement and its control hot-mix asphalt (HMA) pavement in eastern Washington State.

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Cracking and Rutting Performance of Asphalt Mixes for a ...

2020-10-20  performance of asphalt mixes. 3.1 Materials For laboratory compacted samples, four types of mixtures were included in this study, namely the hot-mix asphalt with no additive (HMA), and warm-mix asphalt with three Evotherm dosages as a percent of binder content (WMA 0.3%, WMA 0.5%, and WMA 0.7%). Evotherm is a chemical additive that improves the

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Effect of high density polyethylene on the fatigue and ...

Effect of high density polyethylene on the fatigue and rutting performance of hot mix asphalt – a laboratory study. The present study investigates the potential use of high-density polyethylene (HDPE) on performance characteristics of asphalt mixtures such as fatigue cracking and rutting as major distresses of hot mix asphalt (HMA).

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"Performance of Recycled Asphalt Shingles in Hot Mix ...

2013-8-28  State highway agencies are increasingly intersted in using recycled asphalt shingles (RAS) in hot mix asphalt (HMA) applications, yet many agencies share common questions about the effect of RAS on the performance of HMA. Previous research has allowed for only limited laboratory testing and field surveys. The complexity of RAS materials and lack of past experiences led to the creation of ...

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STATE OF CALIFORNIA • DEPARTMENT OF

2021-7-20  PPRC11 SPE 4.41.2: Laboratory and Accelerated Pavement Testing (APT) of Gap-Graded Rubberized Mixes (Hot Mix Asphalt and Warm Mix Asphalt) for the Department of Resource Recycling and Recovery (CalRecycle). Subtitle: Warm-Mix Asphalt Study - Evaluation of Hot and Warm Mix Asphalt with Respect to Binder Aging. 4. TITLE AND SUBTITLE. June 2013. 5.

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HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

2021-5-13  Hot mix asphalt is composed of aggregate bound together into a solid mass by asphalt cement. The aggregates total ninety-three (93) to ninety-seven (97) percent by weight of ... Section 904 —Performance graded asphalt bin HMA Section 915 —Production Plants Section 915.02 —Hot

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Selecting a rutting performance test for airport asphalt ...

2020-4-8  Selecting a rutting performance test for airport asphalt mixture design John F. Rushing Airfields and Pavements Branch, Geotechnical and Structures Laboratory, US Army Engineer Research and Development Center, 3909 Halls Ferry Road, CEERD-GM-A, Vicksburg, MS, USA Correspondence [email protected]

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Durability of hot and warm asphalt mixtures containing ...

2014-10-24  European roads are mainly built with asphalt materials. Within the framework of a sustainable development, recycling road materials is of a high importance for the economy and to save natural resources, i.e., aggregates and bitumen [5, 13].It is also important to decrease the energy used for manufacturing roads, for example by using warm mix techniques.

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Performance evaluation of polymer modified asphalt (PMA ...

2019-6-13  The study presents an experimental evaluation of performance properties of rubberized polymer modified asphalt (PMA) binders to compare two types of ground tire rubber (GTR): normal and treated. Styrene-butadiene-styrene (SBS) modified asphalt binder (PG 76-22) is used as a base PMA binder to produce rubberized PMA binder. The rubberized PMA binders were artificially short-term and

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Polymer-Modified Asphalt Cements – McAsphalt

Polymer-modified asphalt cements (PMA) have been used for many years to reduce the amount of severity of distress and extend the service life of hot mix asphalt pavements and overlays. McAsphalt offers the industry’s most advanced line of PMA, designed to maximize the beneficial effects of the binder on permanent deformation, fatigue and low ...

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STATE OF CALIFORNIA • DEPARTMENT OF

2021-7-20  identified in the earlier laboratory study. The five test cells included three new OGFC mixes, with the Caltrans 3/8 inch mix serving as the control mix. The study examined the performance of the selected OGFC mixes in terms of their constructability, rutting performance, moisture

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Investigation of Warm

2018-3-12  In 2009, three pavements were constructed with mixes having both hot mix asphalt (HMA) and WMA test sections as part of the Phase I WMA study. Mix was compacted at the construction sites, without reheating, and additional mix was collected to later reheat and compact in the laboratory. Virgin binder, collected from the tank at the asphalt plant ...

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HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

2021-5-13  Hot mix asphalt is composed of aggregate bound together into a solid mass by asphalt cement. The aggregates total ninety-three (93) to ninety-seven (97) percent by weight of ... Section 904 —Performance graded asphalt bin HMA Section 915 —Production Plants Section 915.02 —Hot

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Summary Performance Specifications for Asphalt

Asphalt mixtures include both hot mix asphalt and warm mix asphalt, and are produced at a plant and may include mixtures that have been modified with recycled materials. Volumetric properties may not provide optimum performance for mixtures that include recycled materials and/or certain types of

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Hot Mix Asphalt Dynamic Modulus Prediction Models

2018-4-18  Hot Mix Asphalt Dynamic Modulus Prediction Models Using Neural Networks Approach Abstract The primary objective of this study is to develop a simplified Hot Mix Asphalt (HMA) dynamic modulus (E*) prediction model with fewer input variables compared to the existing regression based models without compromising prediction accuracy.

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"Investigation of the Performance of Neat and Modified ...

The Superpave binder specifications are performance-based criteria for binder selection for use in hot-mix asphalt mixtures. However, these specifications may not be applicable to modified binders. This research investigates the a new method for determining hot-mix asphalt mixing and compaction temperatures as well as the performance of neat (unmodified) and modified binders of the same ...

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Performance evaluation of polymer modified asphalt (PMA ...

2019-6-13  The study presents an experimental evaluation of performance properties of rubberized polymer modified asphalt (PMA) binders to compare two types of ground tire rubber (GTR): normal and treated. Styrene-butadiene-styrene (SBS) modified asphalt binder (PG 76-22) is used as a base PMA binder to produce rubberized PMA binder. The rubberized PMA binders were artificially short-term and

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Volumetrics in Asphalt Mixtures

2019-3-18  determined in the laboratory and then precisely controlled on the job. The optimum asphalt content of a mix is highly dependent on aggregate characteristics such as gradation and absorptiveness. Aggregate gradation is directly related to optimum asphalt content. The finer the mix gradation, the larger the total surface area of the

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Reviewing asphalt test results Asphalt magazine

Gmm is one of the most repeatable asphalt mix tests, with a multi-laboratory precision of 0.024, which equates to a difference in lab-molded density in the range of 1.0 percent. Gmb can be quite a bit more problematic to match from one lab to another, with a SGC maximum allowable difference of 1.7 percent.

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Publications — Materials and Pavements

Predicting Hot-Mix Performance From Measured Properties: Phase I Report: 0-1708-1: E.G. Fernando, V. Prabhakar, T. Scullion, S. NazarianMay 2000: Improvement of Laboratory Testing A Summary of the Feasibility Study: 1789-S: J.E. Ragsdale, S.I. RamosNovember 2000: Evaluation of the Vertical Moisture Barrier Installed on IH 45 Near Palmer, Texas ...

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STATE OF CALIFORNIA • DEPARTMENT OF

2021-7-20  identified in the earlier laboratory study. The five test cells included three new OGFC mixes, with the Caltrans 3/8 inch mix serving as the control mix. The study examined the performance of the selected OGFC mixes in terms of their constructability, rutting performance, moisture

get price