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high quality Renewable asphalt recycling agent used to produce reclaimed asphalt mixtures

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  • (PDF) Multi-recycling of asphalt mix with Reclaimed ...

    The use of recycling agents has become a common practice to produce asphalt mixtures with high contents of reclaimed asphalt materials. Previous studies have shown that characterisation of ...

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  • AN OVERVIEW OF RECLAIMED ASPHALT PAVEMENT

    2016-8-29 · reclaimed asphalt pavement (RAP) is combined with new aggregate and bitumen or recycling agent to produce hot mix asphalt and obtained by pavement milling with rotary drum cold milling machine or from a ripping/crushing operation. This paper described the feasibility of utilizing Reclaimed Asphalt Pavement (RAP) in Warm Mix Asphalt using foaming

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  • UG-Mat Reclaimed Asphalt Pavement | Recycled

    2016-5-13 · temperature properties of asphalt and also waste engine oil can be used as a recycling agent for lessening the stiffening effect of RAP in asphalt paving mixtures. Spilled oil has a tendency to accumulate in the environment. This cause’s soil and water pollution. It reduces the dissolved oxygen content of the water bodies.

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  • Recyclability using Reclaimed Asphalt Pavement: A Review

    2012-5-29 · Reclaimed asphalt pavement (RAP) can be used as an aggregate in the hot recycling of asphalt paving mixtures in one of two ways. The most common method (conventional recycled hot mix) involves a process in which RAP is combined with virgin aggregate and new asphalt cement in a central mixing plant to produce new hot mix paving mixtures.

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  • Reclaimed Asphalt Pavement (RAP) - PDHonline.com

    James G. Speight PhD, DSC, in Asphalt Materials Science and Technology, 2016 10.7.3 Mixing Process. If reclaimed asphalt pavement is incorporated into the mix, it is usually mixed in the laboratory until thoroughly heated and blended with the new aggregate. However, the mix plant, the degree of mixing and the transfer of heat from the new aggregate to the reclaimed material are functions of ...

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  • Reclaimed Asphalt Pavement - an overview |

    In the Netherlands, porous asphalt (PA) is extensively used as a surfacing layer on motorways to reduce the noise level. Due to the high voids content, the binder in porous asphalt mixture ages ...

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  • (PDF) Recycling of porous asphalt mixtures with PMB

    The asphalt concrete removed from an existing road pavement is a fully recyclable material for construction [1,2].Since it consists of valuable non-renewable resources, i.e., approximately 95% wt. of aggregates and 5% wt. of aged bituminous binder, it can be re-used in new asphalt mixtures, reducing the demand for virgin aggregates and bitumen, or as recycled aggregates to produce unbound ...

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  • The Challenges of Using Reclaimed Asphalt Pavement

    2014-5-22 · Because of aged binder, high reclaimed asphalt pavement (RAP) content mixes are susceptible to cracking failures and are less workable than virgin mixtures. The potential of six differently originated recycling agents was evaluated in this study to restore the desired binder properties using conventional binder test methods and the results were compared with performance-related test results …

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  • Evaluation of different recycling agents for restoring ...

    ensuring quality of hot-mix recycled asphalt concrete is discussed. This experi­ ence includes the use of low-viscosity asphalt and recycling agents to modify the existing aged asphalt and to provide the additional needed asphalt. Batch plants and drum mixers have been used to produce the hot-mix recycled asphalt concrete.

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  • Recycled Asphalt 101: Scratching the Surface | For ...

    2020-7-6 · When the recycling of asphalt became popular in the 1970s, it emerged during the energy crisis as an economical option, and the quantity of RAP used in mixtures could range as high …

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  • Use of eco-friendly materials for a new concept of

    2014-1-1 · To validate a new concept of bio-flux agent allowing the increase of the rate of reclaimed asphalt (RAP) in the design of new hot asphalt mixtures. 3. To establish a selective process for the separation of C&D waste, increasing the level of quality of the recycled aggregates.

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  • Asphalt Modified with Biomaterials as Eco-Friendly

    2018-9-19 · High construction costs, when combined with awareness regarding environmental stewardship have encouraged the use of waste and renewable resources in asphalt modification. Increasing energy costs and the strong worldwide demand for petroleum have encouraged the development of alternative binders to modify or replace asphalt binders. The benefits of using …

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  • (PDF) EXPERIMENTAL INVESTIGATIONS ON THE

    b) RAP materials contribute towards asphalt mixture strength compared to the control mixture in an unsaturated condition and for saturated mixtures. Louay N. Mohammad &Samuel B. Cooper (ASCE Journal NOV 2011) conducted on Characterization of HMA mixtures containing High Reclaimed Asphalt Pavement content with Crumb Rubber additives.

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  • CA2680441A1 - Rejuvenating agent and process for

    A rejuvenating agent having a viscosity of from 200 to 60000 cSt at 60°C and comprising 10-90 weight% palm oil and 90-10 weight% bitumen, where the percentages are based upon the total weight of the composition, is disclosed. The rejuvenating agent is suitable for use in hot in-place and hot in-plant recycling processes.

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  • Wet Process for Recycling Asphalt Shingle in Asphalt ...

    A new method is disclosed for recycling waste asphalt shingles in hot mix asphalt, i.e. asphalt pavement construction. Ground asphalt shingles are treated as a binder component instead of as an aggregate component. The recycled asphalt shingles that are blended with virgin binder in a wet process act both as a partial binder replacement and as ...

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  • (PDF) OVERVIEW OF THE USE OF RECYCLED

    5.1.1 Recycling of HMA into new HMA This option involves the utilization of Reclaimed Asphalt Pavement (RAP) in the production of new HMA. There are two methods to obtain the RAP: first by removing the pavement and then transporting it to a plant where it is crushed and properly sized, and second by milling and reducing the size in place ...

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  • Feasibility study on recycled vegetable oil waste and ...

    2021-1-5 · The application of reclaimed asphalt pavement has been widely encouraged due to its significant economic and environmental benefits. However, it is necessary to add rejuvenators to ensure its performance. Currently, bio-oil-based regenerants have attracted attention owing to their advantages of renewability and cost savings. The purpose of this paper is to study the use of recycled vegetable ...

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  • Life cycle assessment applied to bituminous mixtures ...

    2017-2-1 · Such a material is constituted by aggregates of selected quality, partially covered by aged bitumen, and can therefore be re-used in the production of bituminous mixtures by means of cold-recycling or hot-recycling technologies (Re-Road, 2013, Santagata and Chiappinelli, 2002, Santagata and Chiappinelli, 2003a, Santagata and Chiappinelli, 2003b ...

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  • Performance studies on reclaimed asphalt SMA 2014

    2016-11-13 · Performance studies on reclaimed asphalt SMA 2014 1. i R.V. COLLEGE OF ENGINEERING, BANGALORE- 560059 (Autonomous Institution Affiliated to VTU, Belgaum) PERFORMANCE STUDIES ON STONE MATRIX ASPHALT WITH RECYCLED ASPHALT PAVEMENT PROJECT REPORT Submitted by Swathi L Gowda 1RV10CV033 Deepashree S 1RV11CV400 …

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  • Investigating Permanent Deformation of Recycled

    2020-10-18 · In this research, the permanent deformation property of asphalt concrete containing different percentages of recycled asphalt pavement (RAP) and dosages of waste engine and cooking oil has been investigated using response surface methodology (RSM). 25, 50 and 75% of total aggregates have been replaced with RAP, and each rejuvenated with 5, 10 and 15% (by the weight of total binder) of waste ...

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  • RISK ASSESSMENT IN TERMS OF REGULATION 8 OF THE

    2020-10-26 · It used to bind mixed aggregate particles to create asphalt concrete. Reclaimed asphalt refers to the portion of asphalt which, once removed from an existing road surface, is reclaimed and re-used for the purposes of new road building, maintenance or repair. RA typically consists of 95% high quality aggregate and 5% of aged bitumen.

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  • CHAPTER FOUR Asphalt Additives and Modifiers ...

    2021-5-23 · High concentra- tions of high-MW asphaltenes decrease the fracture resistance of asphalt mixtures. The use of recycling agentsâ Cyclogen-L (a mix- ture of naphthenes) and Hydrogreen (vegetable-derived oil)â did not reduce the concentration of the highly associated asphaltenes, and thus they failed to improve the cracking resistance of the ...

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  • ASPHALT ADDITIVE, ASPHALT COMPOSITIONS AND

    U.S. Pat. No. 7,811,372, issued Oct. 12, 2010, discloses a rejuvenating agent and process for recycling of asphalt, the rejuvenating agent having a viscosity of from 200 to 60000 cSt at 60° C. and comprising 10-90 weight % palm oil and 90-10 weight % bitumen, where the percentages are based upon the total weight of the composition, is disclosed.

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  • Use of Recycled Materials in Pavement Construction

    2020-8-18 · less raw materials use, decrease of renewable energy consumption and ease of manufacture. The use of recycled materials will vary from renovation of the existing floor to the use of it in new floor. In the disposal of flexible pavement, rigid paving recycling and recycling of solid residues such as glass, fly ash, plastic and steel

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  • Reclaimed Asphalt Pavement (RAP) Characterization

    2020-6-15 · reclaimed asphalt pavement (rap) characterization to maximize rap content in polymer modified asphalt mixtures by bongsuk park a dissertation presented to the graduate school of the university of florida in partial fulfillment of the requirements for the degree of doctor of philosophy university of florida 20 20 page 2 © 20 20 bongsuk park ...

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  • (PDF) EXPERIMENTAL INVESTIGATIONS ON THE

    b) RAP materials contribute towards asphalt mixture strength compared to the control mixture in an unsaturated condition and for saturated mixtures. Louay N. Mohammad &Samuel B. Cooper (ASCE Journal NOV 2011) conducted on Characterization of HMA mixtures containing High Reclaimed Asphalt Pavement content with Crumb Rubber additives.

    Get Price
  • Wet Process for Recycling Asphalt Shingle in Asphalt ...

    A new method is disclosed for recycling waste asphalt shingles in hot mix asphalt, i.e. asphalt pavement construction. Ground asphalt shingles are treated as a binder component instead of as an aggregate component. The recycled asphalt shingles that are blended with virgin binder in a wet process act both as a partial binder replacement and as ...

    Get Price
  • Cost analysis and environmental assessment of

    2020-7-13 · Paint sludge (PS) is a waste product coming from spray application of paints in automotive industry. For the first time, this work assessed the economic costs and environmental impacts connected to recycling PS in bituminous binders for asphalt pavement applications. Previous works have demonstrated that PS could be used as a replacement of up to 20% (w/w) of neat bitumen in the …

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  • US Patent Application for ASPHALT PRODUCTS AND

    The present invention relates to relates to a method of producing an improved asphalt. This method includes providing an asphalt binder and providing a compound of formula (I): as described herein. The asphalt binder is mixed with the compound of formula (I) under conditions effective to produce an improved asphalt. Also disclosed are an asphalt product and a method of making asphalt material.

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  • Investigating Permanent Deformation of Recycled

    2020-10-18 · In this research, the permanent deformation property of asphalt concrete containing different percentages of recycled asphalt pavement (RAP) and dosages of waste engine and cooking oil has been investigated using response surface methodology (RSM). 25, 50 and 75% of total aggregates have been replaced with RAP, and each rejuvenated with 5, 10 and 15% (by the weight of total binder) of waste ...

    Get Price
  • Rheology of Virgin Asphalt Binder Combined with

    2020-11-20 · Waste cooking oils (WCOs) show promise as a rejuvenator for reclaimed asphalt pavement (RAP) binders. Their use helps to make RAP a renewable resource and to address environmental concerns related to WCO disposal. While studies suggest that 100% RAP for pavement is feasible, RAP will likely be combined with a virgin binder and aggregate incrementally in the field. In this study, the ...

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  • Use of Recycled Materials in Pavement Construction

    2020-8-18 · less raw materials use, decrease of renewable energy consumption and ease of manufacture. The use of recycled materials will vary from renovation of the existing floor to the use of it in new floor. In the disposal of flexible pavement, rigid paving recycling and recycling of solid residues such as glass, fly ash, plastic and steel

    Get Price
  • Reclaimed Asphalt Pavement (RAP) Characterization

    2020-6-15 · reclaimed asphalt pavement (rap) characterization to maximize rap content in polymer modified asphalt mixtures by bongsuk park a dissertation presented to the graduate school of the university of florida in partial fulfillment of the requirements for the degree of doctor of philosophy university of florida 20 20 page 2 © 20 20 bongsuk park ...

    Get Price
  • NATIONAL STUDENT NUMBER N01310615Y

    Hot recycling of Asphalt pavementsHot recycling process involves combining RAP material with new material, sometimes to produce hot mix asphalt (HMA TA l “HMA: Hot Mix Asphalt” s “HMA” c 1 ) mixtures. The recycling can be done in place or offsite at a central plant (Mallick, 1997). Cold recycling of Asphalt pavementsCold recycling is a ...

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  • Cost analysis and environmental assessment of

    2020-7-13 · Paint sludge (PS) is a waste product coming from spray application of paints in automotive industry. For the first time, this work assessed the economic costs and environmental impacts connected to recycling PS in bituminous binders for asphalt pavement applications. Previous works have demonstrated that PS could be used as a replacement of up to 20% (w/w) of neat bitumen in the …

    Get Price
  • Chapter 1 - Background | Improved Mix Design,

    Best practices for RAP management that enable high percentages of RAP and ensure high-quality asphalt mixtures provide the best long-term value. Information Series 123, Recycling Hot Mix Asphalt Pave- ments (2) is a practical guide from the National Asphalt Pave- ment Association (NAPA) that addresses sources of RAP, processing, stockpiling ...

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  • Special Transportation Research Board 2013 Report ...

    2013-4-3 · An anti-stripping agent was used for only one mixture comparison, 64-22. ... Influence of Hydrogreen Bio-Asphalt on Viscoelastic Properties of Reclaimed Asphalt Mixtures. ... High …

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  • US Patent Application for ASPHALT PRODUCTS AND

    The present invention relates to relates to a method of producing an improved asphalt. This method includes providing an asphalt binder and providing a compound of formula (I): as described herein. The asphalt binder is mixed with the compound of formula (I) under conditions effective to produce an improved asphalt. Also disclosed are an asphalt product and a method of making asphalt material.

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  • Energy and Environmental Life Cycle Assessment of ...

    Page topic: 'Energy and Environmental Life Cycle Assessment of Sustainable Pavement Materials and Technologies for Urban Roads - MDPI'. Created by: Lucille Powers. Language: english.

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  • Use of Rejuvenators in Reclaimed Asphalt Pavement

    2017-2-6 · A PG 64-22 asphalt binder was used to produce each mixture, and binder contents for different mixtures, 5.2%, 5.1%, and 4.8%, were determined as appropriate values that satisfy all key volumetric characteristics of asphalt mixtures. Three different commercial rejuvenators were chosen in …

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  • NATIONAL STUDENT NUMBER N01310615Y

    Hot recycling of Asphalt pavementsHot recycling process involves combining RAP material with new material, sometimes to produce hot mix asphalt (HMA TA l “HMA: Hot Mix Asphalt” s “HMA” c 1 ) mixtures. The recycling can be done in place or offsite at a central plant (Mallick, 1997). Cold recycling of Asphalt pavementsCold recycling is a ...

    Get Price
  • Advances in Bituminous Road Construction

    2011-3-3 · Hot recycling or hot mix recycling is the process in which reclaimed asphalt pavement (RAP) material is combined with new materials, sometimes along with a recycling agent, to produce hot mix asphalt (HMA) mixtures. Both batch and drum type hot mix plants are used to produce recycled mix.

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  • Special Transportation Research Board 2013 Report ...

    2013-4-3 · An anti-stripping agent was used for only one mixture comparison, 64-22. ... Influence of Hydrogreen Bio-Asphalt on Viscoelastic Properties of Reclaimed Asphalt Mixtures. ... High …

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  • SHATEC Engineering Consultants - Graniterock dba

    In the CIR process, a portion of the existing asphalt concrete layer(s) is milled off, and the reclaimed material is mixed with appropriate amounts of selected recycling agent and other chemical additives, then spread and compacted to produce a base layer. The recycling agent is commonly asphalt-based emulsion or cold-foamed asphalt, or an ...

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  • US Patent for Method for producing agglomerates

    2011-7-10 · A method for producing bulk good of agglomerates made of rubber particles and wax. A composition of the agglomerate and the use of the bulk good to produce asphalt or bitumen masses are created in that rubber is activated by swelling and using a swelling agent and a melt made of viscosity-reducing wax and of optional polyoctenamer is added, the activated rubber particles are agglomerated …

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  • Engineering Aspects of Recycled Materials for

    McDonald The most widely used wet processing method is probably the McDonald method that has been used throughout the Southwestern U.S. to produce asphalt-rubber membranes (SAM), asphalt-rubber membrane interlayers (SAMI), and asphalt-rubber hot-mix.(5>9) This is a wet batch process where the CRM is added to hot asphalt cement (~ 185 °C to 200 ...

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  • PETRO TAR CO. | MANUFACTURER OF BITUMEN AND

    A more general term used to identify BITUMEN plus potential modifiers used to produce ASPHALT mixes. The term BINDER reflects that some ASPHALT mixes may utilize MODIFIED BITUMENS. ... These are used in the manufacture of high modulus ASPHALT MIXTURES. ... OXIDIZED BITUMEN 10/20 IN CARTON BOX, OXIDIZED BITUMEN 10/20 IN BAG, OXIDIZED BITUMEN 10 ...

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  • environmentally friendly bitumen machine asphalt

    2. High efficiency heat exchanger can cool the finished emulsion asphalt from high-temperature asphalt emulsion to room temperature, thereby improving the storage stability; The heated cooling water can be used in emulsified asphalt production, eliminating the need for water heating costs. The whole process is environmentally friendly; 3.

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  • Energy and Environmental Life Cycle Assessment of ...

    Page topic: 'Energy and Environmental Life Cycle Assessment of Sustainable Pavement Materials and Technologies for Urban Roads - MDPI'. Created by: Lucille Powers. Language: english.

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