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fly ash stabilization of recycled asphalt pavement

fly ash stabilization of recycled asphalt pavement

FLY ASH STABILIZATION OF RECYCLED ASPHALT PAVEMENT ...

FLY ASH STABILIZATION OF RECYCLED ASPHALT PAVEMENT MATERIAL IN WASECA, MINNESOTA by Lin Li, Craig H. Benson, Tuncer B. Edil, and Bulent Hatipoglu Geo Engineering Report No. 06-18 Department of Civil and Environmental Engineering University of Wisconsin-Madison Madison, Wisconsin 53706 USA June 9, 2006

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STABILIZATION OF RECYCLED ASPHALT PAVEMENT BY FLY

STABILIZATION OF RECYCLED ASPHALT PAVEMENT BY FLY ASH AS A SUSTAINABLE PAVEMENT MATERIAL 1,2School of Civil Engineering and Center of Excellence in Innovation for Sustianable Infrastructure Development, Suranaree University of Technology, Thailand;

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Recycled asphalt pavement - fly ash geopolymers as a ...

In this research, a low-carbon stabilization method was studied using Recycled Asphalt Pavement (RAP) and Fly Ash (FA) geopolymers as a sustainable pavement material. The liquid alkaline activator (L) is a mixture of sodium silicate (Na 2 SiO 3 ) and sodium hydroxide (NaOH), and high calcium FA is used as a precursor to synthesize the FA-RAP ...

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Class C Fly Ash Stabilization of Recycled Asphalt Pavement ...

Class C Fly Ash Stabilization of Recycled Asphalt Pavement and Soil A Case Study 2015 World of Coal Ash (WOCA) Conference in Nasvhille, TN - May 5-7, 2015

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Sustainable Construction Case History: Fly Ash ...

ORIGINAL PAPER Sustainable Construction Case History: Fly Ash Stabilization of Recycled Asphalt Pavement Material Lin Li Æ Craig H. Benson Æ Tuncer B. Edil Æ

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Recycled asphalt pavement – fly ash geopolymers as a ...

Dec 15, 2016  In this research, a low-carbon stabilization method was studied using Recycled Asphalt Pavement (RAP) and Fly Ash (FA) geopolymers as a sustainable pavement material. The liquid alkaline activator (L) is a mixture of sodium silicate (Na 2 SiO 3 ) and sodium hydroxide (NaOH), and high calcium FA is used as a precursor to synthesize the FA-RAP ...

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Sustainable Construction Case History: Fly Ash ...

10%  Sep 27, 2007  A case history is described where Class C fly ash was used to stabilize recycled pavement material (RPM) during construction of a flexible pavement in Waseca, MN, USA. The project consisted of pulverizing the existing hot-mix asphalt (HMA), base, and subgrade to a depth of 300 mm to form RPM, blending the RPM with fly ash (10% by dry weight) and water,

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Investigation of Performance of Asphalt Pavement with Fly ...

C fly ash–stabilized CIR recycled asphalt base course. A laboratory mix analysis to evaluate the stabilization potential of recycled pavement material with Class C fly ash was conducted.

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Base Stabilization Best Practices - Asphalt Paving News

Common options include cement, lime and fly ash, to name a few. Asphalt stabilization relies on emulsified asphalt and foamed bitumen as additives. Asphalt stabilization results in more flexibility, compared to other base course materials and chemical stabilizers, and can be

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from Fly Ash and Red Mud under Ambient Conditions

Oct 31, 2019  municipal solid waste incinerator fly ash [27], recycled asphalt pavement [28], red mud [21,24,29], rice husk ash [6,11], waste glass [16], and water tr eatment sludge [15]. The formation of geopolymers ... [15,16], paving blocks [17], and soil stabilization [18]. Several studies have been conducted by synthesizing these, using different ...

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Effect of Fly Ash on Properties of Crushed Brick and ...

Fly Ash (FA), an abundant by-product with no carbon footprint, is a potential stabilizer for enhancing the physical and geotechnical properties of pavement aggregates. In this research, FA was used in different ratios to stabilize crushed brick (CB) and reclaimed asphalt pavement (RAP) for pavement base/subbase applications.

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Evaluation of Recycled Asphalt Pavement Material ...

This paper describes a case study where asphaltic recycled pavement material (RPM) blended with Class C fly ash was used as base course during reconstruction of a 0.5-km section of asphalt pavement in Waseca, Minnesota. The RPM was blended with cementitious fly ash to increase its bearing resistance and stiffness.

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SUBGRADE STABILIZATION USING RECYCLED ASPHALT PAVEMENT

Nov 15, 2002  subgrade stabilization using recycled asphalt pavement and fly ash mixtures This paper describes field and laboratory testing conducted to evaluate the performance of soft subgrade stabilized with combinations of fly ash as a chemical stabilizer and Recycled Asphalt Product (RAP) as a mechanical stabilizer.

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Recycled asphalt pavement – fly ash geopolymer as a ...

Nov 01, 2017  Recycled asphalt pavement – fly ash geopolymer as a sustainable stabilized pavement material. S Horpibulsuk 1, M Hoy 2, P Witchayaphong 3, R Rachan 4 and A Arulrajah 5. Published under licence by IOP Publishing Ltd

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Fly Ash Stabilization Of Gravel Roads Recycled Materials ...

Fly Ash Stabilization Of Gravel Roads. Investigation into a field site where cementitious fly ashes (Class C and off-specification) were used to stabilize road-surface gravel (RSG) to form a base during construction of a flexible pavement in Chisago County, MN. The project involved conversion of a gravel road to a paved road.

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Strength development of Recycled Asphalt Pavement – Fly ...

Evaluation of Fly Ash (FA) based geopolymer stabilized Recycled Asphalt Pavement (RAP). Role of L, NaOH/Na 2 SiO 3 , FA, and curing temperature and duration are investigated. Microstructural development was examined via XRD and SEM analyses. UCS of

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Cold recycling of lime-fly ash stabilized macadam mixtures ...

Apr 30, 2018  Cement-fly ash stabilization of cold in-place recycled (CIR) asphalt pavement mixtures for road bases or subbases J. Wuhan Univ. Technol. , 28 ( 2 ) ( 2013 ) , pp. 298 - 302 CrossRef View Record in Scopus Google Scholar

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Construction and Performance of Fly Ash-Stabilized Cold In ...

Jan 01, 2000  Cold in-place recycling (CIR) is a common rehabilitation practice used in Wisconsin to improve the ride quality and structural capacity of deteriorated asphalt pavements. In

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Asphalt Pavement Recycling/Full Depth Reclamation - KC Fly Ash

Asphalt Pavement Recycling/Full Depth Reclamation. Failed asphalt pavements are pulverized and then Class C Fly Ash and water are mixed with the Recycled Asphalt Pavement (RAP) in place and compacted. This results in an improved base course that can bridge over poor subgrade materials.

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Evaluation of Cement and Fly Ash Treated Recycled

Evaluation of Cement and Fly Ash Treated Recycled Asphalt Pavement and Aggregates for Base Construction 5. Report Date December 2011 6. Performing Organization Code LTRC Project Number: 09-2C State Project Number: 736-99-1586 7. Author(s) Tyson D. Rupnow, Patrick Icenogle, and Scott Reech 8. Performing Organization Report No. 9.

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Recycled asphalt pavement - fly ash geopolymer as a ...

Strength, durability, microstructure and leachate characteristics of Recycled Asphalt Pavement and Fly Ash (RAP-FA) geopolymers and RAP-FA blends as a sustainable pavement material are evaluated in this paper. The strength development of the stabilized materials with and without effect wetting-drying (w-d) cycles was determined by Unconfined Compression Strength (UCS) test.

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Fly Ash Uses KC Fly Ash KC Fly Ash

Fly ash, a valuable mineral product that results from coal combustion, is used in readymix concrete, soil stabilization, recycling asphalt pavement and fly ash slurry backfills. Currently, we only market certified Class C (self-cementing) fly ash from Kansas City area electrical utilities.

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Wood Fly Ash Stabilized Road Base Layers with High ...

Wood fly ash stabilised road base layers with high recycled asphalt pavements content was studied both at the laboratory and in-situ. The original recipe was chosen based on an actual stabilised pavement base layer design with cement CEM II/B-T 42.5R but optimised using wood fly ash.

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2007-12 Demonstration of Ash Utilization in Low Volume Roads

Fig. 1 Laboratory Mr of field-mix fly ash-stabilized materials 16 Fig. 2 Stiffness and DPI of base material and fly ash-stabilized recycled pavement material and road surface gravel 17 Fig. 3 Back-calculated Mr of fly ash-stabilized layer from FWD data at Waseca and Chisago projects 18 Fig. 4 Modulus as determined by different methods 19

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SUBGRADE STABILIZATION USING RECYCLED ASPHALT PAVEMENT

Nov 15, 2002  subgrade stabilization using recycled asphalt pavement and fly ash mixtures This paper describes field and laboratory testing conducted to evaluate the performance of soft subgrade stabilized with combinations of fly ash as a chemical stabilizer and Recycled Asphalt Product (RAP) as a mechanical stabilizer.

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Incorporating a Fly Ash Stabilized Layer Into Pavement ...

Fly ash was used to increase the strength and stiffness of the fine-grained subgrade at both sites, which was soft prior to stabilization. Pavements at both sites were designed using the 1993 AASHTO method for flexible pavements so that their structural number would be equivalent to that of the conventional pavement originally called for in the ...

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Utilize Cementitious High Carbon Fly Ash (CHCFA) to ...

This project will develop technology for using this fly ash as a base course for asphalt pavements. Unlike concrete, which needs air voids, minimal air void content is preferred. Phase I will involve the stabilization of pulverized cold in-place recycled materials with cementitious high carbon fly ash.

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Recycled asphalt pavement - fly ash geopolymers as a ...

In this research, a low-carbon stabilization method was studied using Recycled Asphalt Pavement (RAP) and Fly Ash (FA) geopolymers as a sustainable pavement material. The liquid alkaline activator (L) is a mixture of sodium silicate (Na2SiO3) and sodium hydroxide (NaOH), and high calcium FA is used as a precursor to synthesize the FA-RAP geopolymers.

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Strength development of Recycled Asphalt Pavement – Fly ...

Evaluation of Fly Ash (FA) based geopolymer stabilized Recycled Asphalt Pavement (RAP). Role of L, NaOH/Na 2 SiO 3 , FA, and curing temperature and duration are investigated. Microstructural development was examined via XRD and SEM analyses. UCS of

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Recycled asphalt pavement - fly ash geopolymers as a ...

Aug 19, 2016  In this research, a low-carbon stabilization method was studied using Recycled Asphalt Pavement (RAP) and Fly Ash (FA) geopolymers as a sustainable pavement material. The liquid alkaline activator (L) is a mixture of sodium silicate (Na2SiO3) and sodium hydroxide (NaOH), and high calcium FA is used as a precursor to synthesize the FA-RAP ...

get price

Wood Fly Ash Stabilized Road Base Layers with High ...

Wood fly ash stabilised road base layers with high recycled asphalt pavements content was studied both at the laboratory and in-situ. The original recipe was chosen based on an actual stabilised pavement base layer design with cement CEM II/B-T 42.5R but optimised using wood fly ash.

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Reconstituted Coal Ash Stabilization of Reclaimed Asphalt ...

Apr 26, 2012  Reconstituted Coal Ash Stabilization of Reclaimed Asphalt Pavement ... (coal fly ash, FA + coal bottom ash, BA). The particle size grading improved from 99.9% coarse aggregates and 0.1% fines for 100% RAP to 93 – 99% coarse aggregate with 1 – 7% fines for the various reconstituted coal ash-RAP mix proportions. ... (material), Fly ash ...

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2007-12 Demonstration of Ash Utilization in Low Volume Roads

Fig. 1 Laboratory Mr of field-mix fly ash-stabilized materials 16 Fig. 2 Stiffness and DPI of base material and fly ash-stabilized recycled pavement material and road surface gravel 17 Fig. 3 Back-calculated Mr of fly ash-stabilized layer from FWD data at Waseca and Chisago projects 18 Fig. 4 Modulus as determined by different methods 19

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Welcome to ARS Companies Exceptional ServicesWheatridge ...

Full Depth Reclamation: Pulverizing existing asphalt pavement into the sub-grade to improve existing conditions. This process recycles 100% of the pavement materials, increases the thickness strength of the base, eliminates the risk of reflective cracking, and allows one to restore the geometry, profile, ride quality of the road.

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Recycled asphalt pavement - fly ash geopolymer as a ...

Strength, durability, microstructure and leachate characteristics of Recycled Asphalt Pavement and Fly Ash (RAP-FA) geopolymers and RAP-FA blends as a sustainable pavement material are evaluated in this paper. The strength development of the stabilized materials with and without effect wetting-drying (w-d) cycles was determined by Unconfined Compression Strength (UCS) test.

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The Benefits of Recycling and Reusing Fly Ash - Waste ...

Sep 23, 2014  Fly ash can also be used for soil improvement applications, such as soil stabilization and drying, and as a mineral filler in hot mix asphalt (HMA). Mineral filers increase the stiffness of the asphalt mortar matrix, improving the rutting resistance of pavements and the durability of the mix.

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Cement-fly ash stabilization of cold in-place recycled ...

Apr 11, 2013  Read "Cement-fly ash stabilization of cold in-place recycled (CIR) asphalt pavement mixtures for road bases or subbases, Journal of Wuhan University of Technology-Mater. Sci. Ed." on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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Cement Kiln Dust Stabilization of Reclaimed Asphalt Pavement

In this context, utilization of by-products like fly ash, granulated blast furnace slag, cement kiln dust, etc, as suitable ingredients for geotechnical construction, needs special attention (Singh et al., 2008) One of the important components of a flexible pavement structure is granular material layer that influences stresses and strains ...

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