evaluation of recycled concrete opengraded aggregate

Evaluation of Recycled Concrete, Open-Graded Aggregate ...

Evaluation of Recycled Concrete, Open-Graded Aggregate, and Large Top-Size Aggregate Bases RICHARD D. BARKSDALE, SAMIR Y. ITANI, AND TERRYE. SWOR Eight unstabilized aggregate ba es were investigated: three re cycled concrete rnateiial , an open-graded cru hed dolomite drainage material, large top-size crushed dolomite dense-graded ...

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EVALUATION OF RECYCLED CONCRETE, OPEN-GRADED

EVALUATION OF RECYCLED CONCRETE, OPEN-GRADED AGGREGATE, AND LARGE TOP-SIZE AGGREGATE BASES. Eight unstabliized aggregate bases were investigated: three recycled concrete materials, an open-graded crushed dolomite drainage material, large top-size crushed dolomite, dense-graded crushed dolomite, sand and crushed gravel blend, and a dense-graded crushed granite.

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Evaluation of Recycled Concrete for Use as Aggregate in ...

This study evaluated the use of recycled concrete as coarse aggregate in new concrete pavements. Recycled concrete aggregate (RCA) produced from demolished pavements in three geographically-dispersed locations in Washington state were used to perform testson aggregate characte ristics, fresh concrete propertiesand hardened concrete properties.

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Performance evaluation of JRCP with stabilized open-graded ...

From 1990 to 1995 the department used recycled concrete pavement as open-graded drainage course (OGDC) base aggregate for thirteen concrete reconstruction projects. Overall, the JRCP projects with coated/stabilized OGDC have performed very well in contrast to other JRCP concrete projects constructed during that period that used an unbound ...

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Evaluation of Recycled Aggregates Test Section Performance

Evaluation of Recycled Aggregates Test Section Performance February 2017 . 6. 7. Author(s) 8. Performing Organization Report No. ... While the use of recycled concrete aggregate (RCA) in the base course of new pavements is quite common in Minnesota and many other states, it is rarely used in the concrete pavement ...

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Recycled Concrete Aggregate in Portland Cement Concrete

review of other state specifications, a limited laboratory program for evaluation of recycled aggregate samples and Portland cement concrete prepared from these samples, and field trials of concrete made with RCA. Results of the literature review, contacts with other STAs, evaluation of the regional recycled aggregate product, and

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Performance evaluation of JRCP with stabilized open-graded ...

From 1990 to 1995 the department used recycled concrete pavement as open-graded drainage course (OGDC) base aggregate for thirteen concrete reconstruction projects. Overall, the JRCP projects with coated/stabilized OGDC have performed very well in contrast to other JRCP concrete projects constructed during that period that used an unbound ...

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Strength and Durability Evaluation of Recycled Aggregate ...

May 14, 2015  This paper discusses the suitability of producing concrete with 100 % recycled aggregate to meet durability and strength requirements for different applications. Aggregate strength, gradation, absorption, specific gravity, shape and texture are some of the physical and mechanical characteristics that contribute to the strength and durability of concrete.

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Evaluation of recycled concrete aggregates for their ...

The metal leaching from the recycled concrete aggregates (RCA) collected from the demolition site of a 50 year old building, was evaluated by performing three different leaching tests (compliance, availability and Toxic Characteristic Leaching Procedure). The metal leaching was found mostly within the permissible limit except for Hg.

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Evaluation of recycled concrete aggregate in asphalt mixes ...

Jan 15, 2018  This paper investigates the feasibility of using recycled concrete aggregate (RCA) as a replacement to the natural aggregates (NAs) in hot mix asphalt (HMA). RCA was collected from two different sources (new concrete cubes used for quality control testing during construction, and old demolished building) to investigate the impact of material degeneration on the engineering properties

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Recycled Concrete Aggregate in Portland Cement Concrete

review of other state specifications, a limited laboratory program for evaluation of recycled aggregate samples and Portland cement concrete prepared from these samples, and field trials of concrete made with RCA. Results of the literature review, contacts with other STAs, evaluation of the regional recycled aggregate product, and

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Using Recycled Concrete in MDOT's Transportation ...

Crushed concrete aggregate (CCA) is granular material manufactured by removing, crushing, and processing old concrete for reuse as an aggregate source in new construction. Although the Michigan Department of Transportation (MDOT) has used CCA since the 1980s, issues in the performance of

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Mix Design of Pervious Recycled Concrete Performance ...

Apr 26, 2012  Rules and parameters of mix design for pervious recycled concrete were proposed. Making use of proportioning mix method for stone matrix asphalt (SMA) and open graded friction course (OGFC), volume indexes including volume of voids(VV), volume of cement paste (VP) as well as percent air voids in coarse aggregate(VCA) can be seen as key parameters guiding for mix design.

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CHAPTER 7

from crushed concrete pavement, known as recycled Portland cement concrete aggregate (RCA). b. Recycled materials generated outside NYSDOT, but proposed for incorporation into work done by or managed by NYSDOT. Examples include dredge spoils, fly ash, crushed glass, municipal solid waste (MSW) combustor ash, and shredded or chipped tires.

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EVALUATION OF CRUSHED STONE FROM SWANTON

evaluation of crushed stone from swanton limestone - swanton, vermont for bituminous concrete aggregate report 84-1 january, 198!j reporting on work plan 83-b-44 state of vermont agency of transportation materials research division patrick j. garahan, p.e., secretary of transportation

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Performance Evaluation of JRCP with Stabilized Open-Graded ...

Performance Evaluation of JRCP with Stabilized Open-Graded Drainage Course. From 1990 to 1995 the department used recycled concrete pavement as open-graded drainage course (OGDC) base aggregate for thirteen concrete reconstruction projects. Overall, the JRCP projects with coated/stabilized OGDC have performed very well in contrast to other JRCP ...

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TrueGrid 57 and Open Graded Stone Strength

AGGREGATE BASE MATERIALS TESTED* Material Soaked CBR R-Value Dolomite (Class 5) 162 85 Sand ~ Gravel (Class 5) 85 79 Recycled Concrete (Class 5) Source I 170 84 Source II 270 85 ... Evaluation of Recycled Concrete, Open-Graded Aggregate, and Large Top-Size Aggregate Bases; RICHARD D. BARKSDALE, SAMIR Y. ITANI, AND TERRYE. ...

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Recycled Materials Research

The following is a list of research reports for recycled materials. Please e-mail the FDOT State Materials Office at [email protected] to request a copy of those reports that do not include a web address.. Aggregates. BDL13 - Use of Aggregate Screenings as a Substitute for Silica Sand in Portland Cement Concrete (PCC)

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(PDF) A Comparative Experimental Study on the Hydraulic ...

For the same gradation, dolomite samples have the highest K value, followed by natural gravel and recycled concrete aggregate respectively. Treated open-graded samples have K values in excess of an order of magnitude while the difference in K value between the asphalt-treated open-grade samples was less than an order magnitude Keywords: Base ...

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Debbarma 2019 Fresh, Mech, Durability of RCCP With RAP ...

Several concrete pavements are to 4 be constructed in aggressive environments (especially marine) and such areas are prone to severe 5 attack by chloride and sulphate ions (12,30), owing to which, the suitability of recycled 6 aggregates, especially RAP, which generally imparts porosity in the mixes (7,12,30) and thus 7 could accelerate the ...

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Evaluation of recycled concrete aggregates for their ...

The metal leaching from the recycled concrete aggregates (RCA) c Evaluation of recycled concrete aggregates for their suitability in construction activities: An experimental study Waste Manag. 2017 Feb;60:270-276. doi: 10.1016/j.wasman.2016.06.008. Epub 2016 Jun 25. Authors ...

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Evaluation of Recycled Base Aggregates

Recycled asphalt pavement (RAP) and recycled concrete aggregate (RCA) are materials processed from existing pavements and used in new pavement construction projects. The environmental and economic benefits of reusing waste materials have made RAP and RCA popular in base course applications in Wisconsin for more than 30 years.

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Evaluation of Recycled Aggregates Test Section

Evaluation of Recycled Aggregates Test Section Performance February 2017 . 6. 7. Author(s) 8. Performing Organization Report No. ... While the use of recycled concrete aggregate (RCA) in the base course of new pavements is quite common in Minnesota and many other states, it is rarely used in the concrete pavement ...

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Evaluation of Recycled Concrete for Use as Aggregates in ...

such alternative is to incorporate recycled concrete as aggregate in new portland cement concrete pavements. According to a report from Iowa State University, recycled concrete aggregates (RCA) can reduce costs, environmental impacts, and project delivery time when used in concrete pavements (Garber, et al., 2011).

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Performance Evaluation Of Recycled Aggregate Used In Concrete

There were total of sixth batches of concrete mixes, consists of every 20 % increment of recycled aggregate replacement from 0 % to 100%.Moreover, 100 % of recycled aggregate mix batches included, different water/cement ratio of 0.5,0.6 and 0.7. The workability of concrete considerably reduced as the amount of recycled aggregate increased.

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Technical Report Documentation Page - Michigan

From 1990 to 1995 the department used recycled concrete pavement as open-graded drainage course (OGDC) base aggregate for thirteen concrete reconstruction projects. Because the crushed concrete was known to form a leaching residue (calcium carbonate) that could clog drainage fabrics and pipes, the OGDC aggregate was coated with asphalt

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Evaluation of crushed concrete base strength.

This research project was conducted with two primary objectives, which include: 1) determine whether current Mississippi Department of Transportation (MDOT) requirements for recycled concrete aggregates (RCA) provide adequate materials for a roadway granular pavement layer and 2) determine whether RCA materials provide the same structural value comparable to crushed limestone granular

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Project Reports - FDOT

Evaluation of Reclaimed Concrete Aggregate (RCA) as Base Material-- PDF-834KB, Manatee County, State Road 43, Section/Subsection 13020-000 -- The objective of this experimental project is to evaluate the relative long-term field performance of reclaimed concrete aggregate used as a base compared to the performance of a standard limerock base.

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Performance of Recycled Aggregate Concrete

aggregate concrete ,the slump test was about 1.0cm slump for 60 % coarse recycled aggregate concrete and increases as the percent of recycled aggregate decreases . The compressive strength of recycled aggregate concrete with 60 % recycled aggregate, is about 76 % of natural aggregate concrete. The compressive strength increases as the

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Evaluation of unbound crushed concrete as road building ...

recycled materials in road construction [1]. 2 LABORATORY VS FIELD PERFORMANCE In Norway, recycled concrete aggregate has recently been introduced in design codes for road construction, including material specifications. The RCA is classified in two main types based on composition: Type 1 (crushed concrete) and Type 2 (“mixed materials”).

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Aggregates for Concrete - Memphis

Recycled concrete, or crushed waste concrete, is a feasible source of aggregates and an economic reality, especially where good aggregates are scarce. Conven-tional stone crushing equipment can be used, and new equipment has been developed to reduce noise and dust. Aggregates must conform to certain standards for

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Performance assessments of open-graded cement stabilized ...

Feb 10, 2020  The studied ratio of recycled aggregate in OGCSM ranged from 0% to 100%. According to Specifications for Design of Highway Cement Concrete Pavement (JTG D40-2011) , the nominal maximum size of aggregate should be 26.5 mm or 31.5 mm.The proportion of fine aggregate whose size is smaller than 0.075 mm accounts for no more than 2% of all the aggregate mass, the proportion of aggregate

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Mix Design of Pervious Recycled Concrete Performance ...

Apr 26, 2012  Rules and parameters of mix design for pervious recycled concrete were proposed. Making use of proportioning mix method for stone matrix asphalt (SMA) and open graded friction course (OGFC), volume indexes including volume of voids(VV), volume of cement paste (VP) as well as percent air voids in coarse aggregate(VCA) can be seen as key parameters guiding for mix design.

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2014 Stehly Award Recipient :: Minnesota Concrete Council

Evaluation of Recycled Concrete, Open Graded Aggregate and Large Top-Size Aggregate Base, Transportation Research Board, January 1992 Analyzing Moisture Problems in Concrete Slabs, John A. Amundson, Brian J. Pashina, and Terrance E. Swor, Concrete Construction, March 1997, p 306-311

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