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Showing 1 to 20 of 33 for “"WMA"”.
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Vascular flora of Bark Camp Barrens WMA, Coffee County, Tennessee
A vascular plant inventory of Bark Camp Barrens Wildlife Management Area, Coffee County, Tennessee was performed over the 2023 and 2024 growing seasons. The site is a 1,395-ha area located 10km east of Manchester, Tennessee in the Barrens region of the Eastern Highland Rim. A total of 698 species …
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Evaluation of Evotherm as a WMA technology compaction and anti-strip additive
… asphalt binder.</p> <p>As new generation WMA additives evolve, many owner agencies are concerned about these technologies contribute to moisture susceptibility. In addition, it is important for agencies to know that if adding WMA technologies will affect asphalt mixture stability at …
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Quantification of the Role of The Effective Binder in the Performance of RAP – WMA Mixtures
… several new technologies/materials (such as WMA, RAP, rubber, polymers, bio-binders…etc.) were incorporated into asphalt mixtures. However, current mix-design specifications evaluate all mixtures containing these different additives/technologies based on volumetric. Further, RAP incorporation …
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Laboratory Evaluation of Warm Mix Asphalt Mixtures in South Dakota, USA
The implementation of warm-mix asphalt (WMA) is becoming more widespread with a growing number of contractors utilizing various WMA technologies. WMA processes were developed to reduce the mixing and compaction temperatures of hot mix asphalt without sacrificing the quality of the resulting …
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Performance evaluation of warm mix asphalt mixtures incorporating reclaimed asphalt pavement
… of today’s engineering world. Warm mix asphalt (WMA) and reclaimed asphalt pavement (RAP) are the most prominent sustainable materials in asphalt concrete pavements. WMA is a not a new concept, however new innovations and increased usage of WMA has been spurred by the increased focus on …
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Evaluation of the degree of blending of Reclaimed Asphalt Pavement (RAP) binder for warm mix asphalt
… the emergence of a plethora of warm mix asphalt (WMA) technologies and application. With most states incorporating a recycled asphalt pavement (RAP) limit, it is necessary for WMA to not only serve as a greener technology but to work in conjunction with current RAP practices. Presently, most …
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Impact of curing time on warm mix asphalt short-term performance
The emerging use of warm mix asphalt (WMA) technology has led to economic and environmental benefits for transportation agencies and road users. Among these benefits is the reduced mixing and compaction temperatures of WMA. However, decreased temperatures may affect the resulting complex modulus to …
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The Use of Atomic Force Microscopy in Evaluating Warm Mix Asphalt
… the healing characteristics of warm mix asphalt (WMA) and compare it to those of hot mix asphalt (HMA) at the nano-scale level. Furthermore, AASHTO T 283 test method was used to evaluate moisture damage in WMA and HMA mixtures at the macro-scale level. AFM Force spectroscopy technique was used to …
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Performance Characterization of Recycled Asphalt Pavements with Warm Mix Asphalt Technologies
… Asphalt Pavements (RAP) with Warm Mix Asphalt (WMA) Technologies. RAP was introduced in mixtures at three levels: 0, 15 and 35% of RAP contents. Five WMA technologies were evaluated against all the mentioned levels of RAP content. The study was conducted in two phases, each phase with a separate …
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Evaluation of Nevada's Warm Mix Asphalt Mixtures with Recycled Asphalt Pavements
… of this study is to evaluate warm mix asphalts (WMA) with recycled asphalt pavement (RAP) from Nevada. For this study, four different warm mix technologies and four different aggregate sources with two different percentages of recycled asphalt binder ratios were used.Aggregates from Lone …
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Laboratory and Field Evaluation of Two Warm-Mix Additives in Connecticut and Validation of an Alternative Moisture Susceptibility Test
<p>The first official state Warm-Mix Asphalt (WMA) pavement project in Connecticut was constructed between July 20th and 22nd, 2010 and it involved three experimental sections, i.e. one section with a conventional HMA (control section) and two WMA sections with different technologies, wax and …
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Estimation of economic weights for a beef cattle selection index
… effect of genetic change in mature size (WMA), maximum daily milk production (PMA) and 60-d conception rate (CP) on costs per 100 kg slaughter weight (COST) and costs per 100 kg weaned weight (WNCOST) both adjusted for cull cow sales. Genetic inputs were defined as peak values for mature …
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Characterization Of Phosphorus, Nitrogen, And Sulfur Concentrations In A Paired Disturbed And Natural Wetland In Northwest Minnesota
… Minnesota's Skull Lake Wildlife Management Area (WMA). Although conservation practices have been enacted by the Minnesota Department of Natural Resources (MNDNR), there remains interest in the wetland's potential for ecological restoration. Restoration should not be undertaken without an …
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Characterization and communicative analysis of wildlife managers and recreational users of Virginiaâ s Wildlife Management Areas
… (VDGIF) manages wildlife management areas (WMAs) to provide wildlife habitat and hunting and fishing opportunities, along with opportunities for compatible wildlife-related recreation. Despite having responsibility for managing 39 WMAs, comprising more than 200,000 acres, VDGIF had only …
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Performance of advera® warm mix asphalt with reclaimed asphalt pavement materials
… and implementation of warm mix asphalt (WMA) technology in the asphalt industries. The constant efforts by asphalt industry to reduce emissions by lowering asphalt production temperature, made possible by incorporating warm asphalt additive named Advera®. Reclaimed asphalt pavement (RAP) …
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Comparative Evaluation of Field and Laboratory-Produced Foamed Asphalt Mixture from Reno, Nevada
… and performance of field-produced HMA and foamed WMA mixtures from the Bravo Ave project in Reno, Nevada in comparison to respective laboratory-produced mixtures utilizing the same materials and mix design. Each mixture contained 15% RAP and was produced with a polymer-modified PG64-28NV asphalt …
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Intrinsic functional brain connectivity in South African methamphetamine users undergoing inpatient treatment, with or without additional cognitive training
… task (C-Ya). This task was also used to assess WMA in the neural scanner, using conditions of 0-back and 1-back across groups. The current research explored these data in a novel manner through examining rsFC. Hypotheses: It was predicted that: 1) HC and MUD participants would differ on measures …
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The Historic Fire Return Interval and the Ecological Effects of Fire Suppression on Montane Longleaf Pine Dominated Ecosystems in Northwestern Georgia.
… located in Sheffield Wildlife Management Area (WMA), Paulding County, Georgia was investigated. The change in forest composition was measured using modern vegetation surveys and historic “witness tree” vegetation data obtained from a georeferenced 1832 Georgia Land Lottery Survey map. The …
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Evaluation of Warm Mix Additives for Use in Modified Asphalt Mixtures: Phase I
… moisture on the moisture damage resistance of WMA mixtures, (3) the impact of warm mix additives on the moisture damage resistance of anti-strip treated WMA mixtures, and (3) the impact of long-term aging on strength gain and the moisture damage resistance of WMA mixtures.A total of one …
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Optimization of Multi-Reservoir Management Rules Subject to Climate and Demand Change in the Potomac River Basin
… management in the Washington Metropolitan Area (WMA) is challenging because the system relies on flow in the Potomac river, which is largely uncontrolled and augmented by the Jennings-Randolph reservoir, located 9-10 days travel time upstream. Given this lag, release decisions must be made …
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