Pretreated aggregate for hotmix asphalt concrete

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CA2573828A1 - Pretreated aggregate for hotmix asphalt ...

A process of producing an asphalt concrete with enhanced performance is provided by utilizing a primer. The primer is added to a hot aggregate with a surface

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Pretreated aggregate for hotmix asphalt concrete ...

An asphalt concrete having enhanced performance comprising: (a) a hot aggregate with a surface temperature of at least 250 deg. F.; (b) a primer that has been

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Pretreated aggregate for hotmix asphalt concrete ...

The hotmix asphalt concrete advantageously includes aggregate, primer, and asphalt-derived base binder. The resulting hotmix asphalt concrete has

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Potential of recycled concrete aggregate pretreated with ...

Jun 01, 2019  Application of recycled concrete aggregate (RCA) in hot mix asphalt (HMA) is a sustainable alternative to natural aggregate. However, the increased asphalt

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Potential of recycled concrete aggregate pretreated with ...

Application of recycled concrete aggregate (RCA) in hot mix asphalt (HMA) is a sustainable alternative to natural aggregate. However, the increased asphalt

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Potential of recycled concrete aggregate pretreated with ...

Application of recycled concrete aggregate (RCA) in hot mix asphalt (HMA) is a sustainable alternative to natural aggregate. However, the increased asphalt

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Pretreated Aggregate for Hotmix Asphalt Concrete ...

Jan 01, 2009  Patent application title: Pretreated Aggregate for Hotmix Asphalt Concrete Applications and Other Related Applications Inventors: Mark G. Bouldin (Fair Oaks Ranch, TX, US) Assignees: American Gilsonite Company, Inc. IPC8 Class: AC04B2436FI USPC Class: 106660 Class name: Coating or plastic compositions inorganic settable ingredient containing wax containing (e.g.,

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Potential of recycled concrete aggregate pretreated with ...

Application of recycled concrete aggregate (RCA) in hot mix asphalt (HMA) is a sustainable alternative to natural aggregate. However, the increased asphalt consumption and decreased mechanical ...

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Properties of Hot Mix Asphalt Containing Treated Recycled ...

Jun 20, 2020  Ma J et al (2019) Potential of recycled concrete aggregate pretreated with waste cooking oil residue for hot mix asphalt. J Clean Prod 221:469–479 CrossRef Google Scholar Motter JS, Miranda LFR, Bernucci LLB (2015) Performance of hot mix asphalt concrete produced with coarse recycled concrete aggregate.

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Chapter 4: Construction Details, Section 39: Asphalt Concrete

Section 39 Asphalt Concrete 4-3901 General. Section 39, “Asphalt Concrete,” of the Standard Specifications provides material and construction requirements for hot mix asphalt (HMA) including Type A, rubberized hot mix asphalt-gap graded (RHMA-G), open-graded friction course (OGFC), minor HMA, and hot mix asphalt with warm mix asphalt (WMA) additive technology.

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Rutting Resistance of Hot Mix Asphalt Containing Coarse ...

Jun 22, 2021  The use of recycled concrete aggregate (RCA) as a part of coarse aggregates in asphalt pavements confers economic and environmental benefits. Coarse RCA (CRCA) has inferior mechanical and physical properties compared to natural aggregates due to very porous and weakly adhered cement mortar. In this study, CRCA surfaces were coated with waste plastic bottles (WPB)

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HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

Hot mix asphalt may be referred to by several names. In ... bituminous concrete,hot plant mix,asphalt concrete, blacktop or Superpave. Hot mix asphalt is composed of aggregate bound together into a solid mass by asphalt cement. The aggregates total ninety-three

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Evaluation of the double coated recycled concrete ...

2 1 Keywords: recycled concrete aggregates, hot mix asphalt, double coating technique, moisture 2 resistance and stiffness. 3 4 1. Introduction 5 The construction boom in the developed countries coupled with the natural disasters generates 6 vast quantities of recycled concrete waste (Li, Xiao, Zhou, 2009). Wars are also producing 7 tremendous amounts of solid waste the concrete aggregates ...

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Asphalt - Martin Marietta Materials

Warm Mix Asphalt. Warm-mix asphalt is the generic name of technologies that allow the producers of hot-mix asphalt pavement material to lower the temperatures at which the material is mixed and placed on the road. Reductions of 50 to 100 degrees Fahrenheit have been documented.

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Performance of Bituminous Mixes Containing Treated ...

Aug 08, 2018  RCA was pretreated with bituminous emulsion to reduce its water absorption, and in this paper is referred as pretreated recycled concrete aggregate (PRCA). Dense bituminous macadam (DBM) paving mixes were prepared individually using PRCA, RCA, and natural aggregate (NA) representing the coarse aggregate fraction, each being modified with WPMP.

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ACA Products - Asphalt, Concrete Aggregates - Buena ...

Since 1982, ACA Products has been committed to providing the construction industry with the highest quality aggregate, concrete and asphalt products. Locally owned and operated in Buena Vista, Colorado, ACA Products understands the needs of the local contractors, municipalities and homeowners, and the surrounding economies that dictate the local construction industry.

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Pavement Manual: Hot-Mix Asphalt Pavement Mixtures

Anchor: #i1013899 Section 6: Hot-Mix Asphalt Pavement Mixtures Anchor: #i1013905 6.1 General. Hot-mix asphalt (HMA) is a generic term that includes many different types of mixtures of aggregate and asphalt cement (binder) produced at elevated temperatures (generally between 300-350ºF) in an asphalt

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THE CIT GROUP/BUSINESS CREDIT, INC.

Pretreated Aggregate For Hotmix Asphalt Concrete Applications And Other ... Gilsonite Modified, Natural, Hydrocarbon-enriched Sand Composition, Uintaite-derived Toners And Printing Inks Uintaite-derived Toners And Printing Inks Pretreated Aggregate For Hotmix Asphalt Concrete

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The Benefits of Hydrated Lime in Hot Mix Asphalt

HOT MIX ASPHALT SUMMARY Hydrated lime in hot mix asphalt (HMA) creates multiple benefits. A considerable amount of information exists in the current literature on hydrated lime’s ability to control water sensitivity and its well-accepted ability as an antistrip to inhibit moisture damage. However, recent studies demonstrate that lime also

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Evaluation of the Resilient Modulus of Hot-Mix Asphalt ...

Oct 16, 2020  aggregates reduces energy use and emissions [6,7]. Many of the road pavements, both in Europe and America, are made with hot-mix asphalt (HMA). In this type of mixture, the aggregates represent around of 95% in weight. Therefore, using a recycled aggregate, such as CDW, instead of natural ones, not only helps to reuse the waste, but also to save

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NYSDOT Approved Aggregate Sources* for Hot Mix Asphalt

List of Approved Aggregate Sources for Hot Mix Asphalt and Portland Cement Concrete X: This aggregate has been determined to have a potential for alkali-silica reaction and is restricted from use in Portland cement concrete with cement having an alkali content in excess of 0.70%, unless a portion of the cement is replaced

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Properties of Hot Mix Asphalt Containing Treated Recycled ...

Jun 20, 2020  Ma J et al (2019) Potential of recycled concrete aggregate pretreated with waste cooking oil residue for hot mix asphalt. J Clean Prod 221:469–479 CrossRef Google Scholar Motter JS, Miranda LFR, Bernucci LLB (2015) Performance of hot mix asphalt concrete produced with coarse recycled concrete aggregate.

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Use of Recycled Concrete Aggregates in Hot-Mix Asphalt

Mar 22, 2006  Title: Use of Recycled Concrete Aggregates in Hot-Mix Asphalt Author(s): A. Topal, A.U. Ozturk, and B. Baradan Publication: Symposium Paper Volume: 235 Issue: Appears on pages(s): 291-304 Keywords: aggregate; asphalt; concrete rubble; hot-mix asphalt; recycling Date: 3/22/2006 Abstract: The rubble from construction is generally used in landfill or thrown to natural areas at the

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CHAPTER 660 PAVEMENT FOUNDATIONS

Jul 01, 2020  (1) Hot Mix Asphalt Base (HMAB). Depending on the quality of aggregate, HMAB is classified as dense-graded Type A or Type B Hot Mix Asphalt, (HMA). Type A is primarily a crushed aggregate, which provides greater stability than Type B. When used with HMA pavement, the HMAB is to be considered as part of the pavement layer. The HMAB will

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Technical Note TN 105 - Asphalt Surfacing of Concrete ...

During placement, the asphalt layer will cool extremely quickly because concrete bridge decks are good heat conductors. It is therefore very important to have the rollers working closely behind the asphalt paver. Where an asphalt wearing course is placed over a regulation layer of asphalt, a tack coat between these layers is required.

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Standard Washington State Hot Mix Asphalt Types ...

Standard Washington State Hot Mix Asphalt Types This section lists the standard HMA mixes used in Washington State both today and prior to changing from the Hveem mix design method. Most modern HMAs are listed to designate both the nominate maximum aggregate size of the mix and the PG (Preformance Grade) of binder used in the mix (e.g ...

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Asphaltic Concrete - Home - Port Macquarie-Hastings Council

1. Aggregates shall be of uniform quality and grading. Aggregates complying with the requirements of this Clause when combined with the mineral filler shall be capable of achieving the asphalt properties required by this Specification. Uniformity (a) Coarse Aggregate 1. Coarse aggregate shall comply with AS 2758.5 and comprises all mineral matter

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Aggregate Asphalt - Concrete Materials

Concrete Materials From commercial and road construction, to residential solutions and hardscapes, we provide solid resources so you can start with a firm foundation for

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Adhesion of recycled concrete aggregates, demolition ...

improve the asphalt aggregate bond different fillers and treatments were used as described below. 2. Materials and methods 2.1. Materials characterisation 2.1.1. Recycled concrete aggregates (RCA) RCA were obtained from the demolition waste of residential buildings in Madrid (Spain) and were supplied by a CDW recycling plant.

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Open-Graded – Pavement Interactive

Aggregate (crushed stone or gravel and manufactured sands), asphalt binder (with modifiers) Mix Design. Less structured than for dense-graded or SMA mixes. Open-graded mix design generally consists of 1) material selection, 2) gradation, 3) compaction and void determination and 4) asphalt binder drain-down evaluation.

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Wax Containing (e.g., Petroleum Wax, Beeswax, Montan Wax ...

Dec 06, 2018  Pretreated Aggregate for Hotmix Asphalt Concrete Applications and Other Related Applications. Publication number: 20090000521 Abstract: A process of producing an asphalt concrete with enhanced performance is provided by utilizing a primer. The primer is added to a hot aggregate with a surface temperature of at least 250 deg. F. prior to ...

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Evaluation of the Resilient Modulus of Hot-Mix Asphalt ...

This paper reports the influence of the percentage of recycled aggregate (RCA) from construction and demolition waste (CDW) together with the percentage of binder (L), curing time (t) and temperature (T) of the samples on the stiffness of a hot asphalt mixture. The study was carried out using the response surface methodology (RSM). The resilient modulus was chosen to estimate the stiffness of ...

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UG-Mat Reclaimed Asphalt Pavement Recycled Materials ...

It has been estimated that as much as approximately 33 million metric tons (36 million tons), or 80 to 85 percent of the excess asphalt concrete presently generated, is reportedly being used either as a portion of recycled hot mix asphalt, in cold mixes, or as aggregate in granular or stabilized base materials.

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Evaluation of Various Treatment Methods for Enhancing the ...

The use of RCA has been successfully applied in base aggregates and Portland Cement Concrete (PCC) aggregates. However, there have been very limited investigations for the usage of RCA in asphalt pavement mixtures due to its inferior properties such as higher water absorption and low density, but the main challenge is that RCA is a highly ...

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