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(PDF) Mechanical behavior of cold recycled asphalt mixtures

Mechanical behavior of cold recycled asphalt mixtures. April 2019. DOI: 10.11606/D.3.2019.tde-23072021-151646. Thesis for: Masters. Advisor: Kamilla Vasconcelos. Project: Development of a ...

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Rheological behavior of cold recycled asphalt materials ...

高达12%返现  Jul 17, 2017  The Linear viscoelastic behavior of cold recycled emulsified asphalt mixtures with various percentages of RAP has been analyzed in this study. Complex modulus testing was done on MR5, MR6-75%, MR6-85%, and MR7 asphalt mixtures with six temperatures and six frequencies, respectively.

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Comparing the Field and Laboratory Curing Behaviour of ...

The cold recycling of reclaimed asphalt (RA) for the rehabilitation of end-of-life pavements is becoming very common. Cold recycled asphalt mixtures (CRAMs) are characterised by a curing time, required to reach the material design mechanical performance. Since the laboratory simulation of the long-t

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Evaluation of fatigue behavior in cold recycled mixture ...

Jan 15, 2016  The CR-20 (Cold Recycled mix with a fixed nominal maximum aggregate size of 19 mm) mixture with a typical gradation was designed. A cationic slow-setting (CSS-1) asphalt emulsion was selected as the recycling additive which provided adequate workability for CR mixture.

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Comparing the Field and Laboratory Curing Behaviour of ...

The cold recycling of reclaimed asphalt (RA) for the rehabilitation of end-of-life pavements is becoming very common. Cold recycled asphalt mixtures (CRAMs) are characterised by a curing time, required to reach the material design mechanical performance. Since the laboratory simulation of the long-term field curing is not yet a standardised procedure, a CRAM was laid as binder course in a full ...

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(PDF) Mechanical behavior of cold recycled asphalt mixtures

Mechanical behavior of cold recycled asphalt mixtures. April 2019. DOI: 10.11606/D.3.2019.tde-23072021-151646. Thesis for: Masters. Advisor: Kamilla Vasconcelos. Project: Development of a ...

Get Price

Rheological behavior of cold recycled asphalt materials ...

Jul 17, 2017  The Linear viscoelastic behavior of cold recycled emulsified asphalt mixtures with various percentages of RAP has been analyzed in this study. Complex modulus testing was done on MR5, MR6-75%, MR6-85%, and MR7 asphalt mixtures

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Chapter 14. Cold-Mix Asphalt Recycling (Material And Mix ...

Jun 27, 2017  where: P r = Percent of new asphalt in the recycled mix. Some agencies (10) use an optimum liquid content (consisting of emulsion content and water) of 4.5 percent in all trial mixtures. For example, water contents of 4.0 percent, 3.5 percent, 3.0 percent and 2.5 percent would be used with emulsion contents of 0.5 percent, 1.0 percent, 1.5 percent, and 2.0 percent, respectively.

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Effect of RAP Source on Compactability and Behavior of ...

Apr 04, 2021  Effect of RAP Source on Compactability and Behavior of Cold-Recycled Mixtures in the Small Strain Domain ... Laboratory Evaluation of Workability and Moisture Susceptibility of Warm-Mix Asphalt Mixtures Containing Recycled Asphalt Pavements. Journal of Materials in Civil Engineering November 2016 .

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Evaluation of fatigue behavior in cold recycled mixture ...

Jan 15, 2016  The CR-20 (Cold Recycled mix with a fixed nominal maximum aggregate size of 19 mm) mixture with a typical gradation was designed. A cationic slow-setting (CSS-1) asphalt emulsion was selected as the recycling additive which provided adequate workability for CR mixture.

Get Price

Comparing the Field and Laboratory Curing Behaviour of ...

The cold recycling of reclaimed asphalt (RA) for the rehabilitation of end-of-life pavements is becoming very common. Cold recycled asphalt mixtures (CRAMs) are characterised by a curing time, required to reach the material design mechanical performance. Since the laboratory simulation of the long-term field curing is not yet a standardised procedure, a CRAM was laid as binder course in a full ...

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"The Effects of Added Softening Agents Upon the Behavior ...

The Effects of Added Softening Agents Upon the Behavior of Cold Recycled Asphalt Mixtures : Interim Report. Publication FHWA/IN/JHRP-80/13. Publication FHWA/IN/JHRP-80/13. Joint Highway Research Project, Indiana Department of Transportation

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Study on Fatigue Performance of Emulsified Asphalt Cold ...

Study on Fatigue Performance of Emulsified Asphalt Cold Recycled Mixture Based on Discrete Element MethodCN 李惠惠 东北林业大学

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Use of Asphalt Emulsion and Foamed Asphalt in Cold ...

in cold recycling. Recently, increased interest has also been shown in usin9 foamed asphalt as an added binder in cold recycling. This laboratory study investigates the long-term behavior of the cold­ recycled asphalt paving mixtures that use asphalt emulsion and foamed asphalt as the added binders.

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Study of the impact of the compaction and curing ...

Aug 01, 2019  All over the world, various studies have been done to understand the compaction behavior of hot mix asphalt materials. However, limited research is available on low-temperature compaction of cold recycled bituminous mixtures (CRM). Cold recycling of bituminous materials is a sustainable technology for pavement rehabilitation.

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Effect of mixture composition on the mechanical behaviour ...

Cold recycled asphalt mixtures (CRAMs) are generally comprised by reclaimed asphalt pavement, virgin aggregates, bitumen stabilising agents (asphalt emulsion or foamed asphalt) and active filler (Portland cement or hydrated lime). Depending on the type and content of each mixture constituent, the CRAM may exhibit different mechanical behaviours.

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泡沫沥青冷再生混合料材料设计及其抗车辙性能评价 - 中国期刊全

Based on the analysis of rutting test,this article suggests that the cold recycled mixture of foam asphalt should apply to the middle and lower layers of asphalt surface but not the upper layer. The study results provide theoritical reference for experiment on road of the cold recycled mixture of foam asphalt.

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‪Kazuo Kuchiishi‬ - ‪Google Scholar‬

Effect of mixture composition on the mechanical behaviour of cold recycled asphalt mixtures. AK Kuchiishi, K Vasconcelos, LLB Bernucci. International Journal of Pavement Engineering, 2019. 19: 2019: Investigation of the matric suction role on the curing mechanism of foamed asphalt stabilised mixtures.

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Compaction and volumetric analysis of cold in-place ...

Aug 16, 2021  1. Introduction. Cold in-place recycling (CIR) technology has started attracting increasing attention in maintenance and rehabilitation of stressed road pavements in recent years, as it is possibly one of the most cost-effective techniques and offers numerous advantages in terms of environmental sustainability and mechanical performance of the mixtures , , .

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Mechanical Behaviour of Cold Recycled Asphalt Mixtures for ...

Jun 20, 2020  Kuchiishi AK, Vasconcelos K, Bariani Bernucci LL (2019) Effect of mixture composition on the mechanical behaviour of cold recycled asphalt mixtures. Int J Pavement Eng 1–11 Google Scholar Lin J, Hong J, Xiao Y (2017) Dynamic characteristics of 100% cold recycled asphalt mixture using asphalt emulsion and cement.

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Mechanical behavior of cold recycled asphalt mixtures.

Jul 23, 2021  The Brazilian reduced paved road density, the increasingly demand for highways, and the lack of investment in preventive maintenance practices accelerate the occurrence of pavement distresses. This imparts...

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EVALUATION OF LONG-TERM BEHAVIOR OF COLD RECYCLED ASPHALT ...

The mixture was artificially aged by curing at 140 deg F up to 60 days and tested at different ages. The creep compliance of both virgin and recycled mixtures decreased rapidly at early ages due to the oxidation of the asphalt mixtures decreased rapidly at early ages due to the oxidation of the asphalt binder and then remained essentially the same.

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On the Densification of Cold Recycled Asphalt Mixtures

Oct 13, 2021  The mechanical behavior of cold recycled asphalt mixtures (CRAMs) is directly connected to their volumetric properties. Therefore, the objective of the present research was to investigate the effect of different composition factors on the densification of CRAMs. To this aim, a new empirical modeling approach for characterizing and comparing the ...

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Chapter 14. Cold-Mix Asphalt Recycling (Material And Mix ...

Jun 27, 2017  where: P r = Percent of new asphalt in the recycled mix. Some agencies (10) use an optimum liquid content (consisting of emulsion content and water) of 4.5 percent in all trial mixtures. For example, water contents of 4.0 percent, 3.5 percent, 3.0 percent and 2.5 percent would be used with emulsion contents of 0.5 percent, 1.0 percent, 1.5 percent, and 2.0 percent, respectively.

Get Price

Effect of RAP Source on Compactability and Behavior of ...

Apr 04, 2021  Effect of RAP Source on Compactability and Behavior of Cold-Recycled Mixtures in the Small Strain Domain ... Laboratory Evaluation of Workability and Moisture Susceptibility of Warm-Mix Asphalt Mixtures Containing Recycled Asphalt Pavements. Journal of Materials in Civil Engineering November 2016 .

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Investigation of Fracture Behavior of Recycled Asphalt ...

Semi-circular bend (SCB) fracture tests are performed on the asphalt mixtures and bending beam rheometer (BBR) strength tests are performed on FAM at low temperatures. AB - A discrete element computational model is used to simulate the fracture behavior of asphalt mixtures, containing different RAP proportions, at low temperatures.

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Effect of mixture composition on the mechanical behaviour ...

Cold recycled asphalt mixtures (CRAMs) are generally comprised by reclaimed asphalt pavement, virgin aggregates, bitumen stabilising agents (asphalt emulsion or foamed asphalt) and active filler (Portland cement or hydrated lime). Depending on the type and content of each mixture constituent, the CRAM may exhibit different mechanical behaviours.

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Behavior of Cold Recycled Mixes in the Range of Low ...

Cold recycled mixes are used in many parts of the world as a standardized pavement rehabilitation technique. The quality of the mixes has been so far assessed by strength characteristics, water susceptibility and stiffness. In some cases frost resistance is determined as well. Nevertheless, especially for regions with winter seasons where temperatures are reaching values below 0°C, there are ...

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Study on Fatigue Performance of Emulsified Asphalt Cold ...

Study on Fatigue Performance of Emulsified Asphalt Cold Recycled Mixture Based on Discrete Element MethodCN 李惠惠 东北林业大学

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Complex Modulus of Cold Recycled Mixtures: measurement

25 the “classical” viscous type, were influent for behaviour of the studied cold recycled mixtures. 26 27 Keywords: Cold recycling, bitumen emulsion, foamed bitumen, complex modulus, Huet-28 Sayegh model. 29 30 1. INTRODUCTION 31 Cold recycling technologies have been developed over the last 20 years as a cost-effective 32 and sustainable ...

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RILEM - Publications

Field behaviour of cold-recycled asphalt mixtures for binder courses. Author(s): Andrea Grilli (1), Chiara Mignini (2) and Andrea Graziani Paper category: Proceedings Book title: Proceedings of the International Conference on Sustainable Materials, Systems and Structures (SMSS2019) New Generation of Construction Materials

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Effects of RAP residual asphalt binder type, content and ...

The results show that cold asphalt emulsion mixtures produced using recycled asphalt pavements with residual binder in them had considerably higher stiffness, fatigue and permanent deformation ...

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Compaction Characteristics of Cold Recycled Mixtures with ...

The objective of this study is to investigate the compaction characteristics of cold recycled mixtures with asphalt emulsion (CRME) using the Superpave gyratory compactor (SGC) method. Five characteristic parameters were proposed and calculated including the compaction energy index, the compaction energy index, three compaction energy indicators at different compaction stages.

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