density of recycled concrete

  • PROPERTIES OF RECYCLED AGGREGATE CONCRETE

    application of coarse recycled concrete aggregate, as the component materials in the con-crete mixtures, it is possible to produce structural concrete that can be satisfactory and even ... density of recycled aggregate was on the average by 10% lower compared to the bulk density of natural aggregates [6,9,10]. 2.5. Crushing and abrasion resistance

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  • Bulk density of recycled aggregates | Download Scientific ...

    Bulk density of recycled aggregates. ... The compressive strength of mixes contained recycled concrete aggregate (RCA) at age of 7, 28 and 56 day were less

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  • Crushed Concrete Density? - Earthwork/grading engineering ...

    Apr 20, 2009 · Hangontight....With pieces that large, your density will not be high...likely on the order of 90 to 100 pcf for the crushed concrete. If it were crushed in the manner of a graded aggregate base material, the density would be upwards of 120+ pcf. RAP will be somewhere in the 90 to 95 pcf range, depending on gradation.

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  • Recycled Concrete Aggregate | Crushed Concrete Aggregate ...

    Recycled Concrete Aggregate is that the use of debris from dismantled concrete structures. utilization is cheaper and a lot of ecological than truckage debris to a lowland.. Crushed debris is often used for road gravel, revetments, holding walls, landscaping gravel, or staple for brand spanking new concrete. giant items are often used as bricks or slabs or incorporated with new concrete into ...

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  • Calculate Crushed Concrete Road Base | Cubic Yard (or Feet ...

    Calculate Crushed Concrete Road Base. Type in inches and feet of your project and calculate the estimated amount of Recycled Materials in cubic yards, cubic feet and Tons, that your need for your project. The Density of Crushed Concrete Road Base:

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  • Edil -No. 68 Specifications for Recycled Materials Used as ...

    The most widely used recycled materials are recycled asphalt pavement (RAP) and recycled concrete aggregate (RCA). RAP is produced by removing and reprocessing existing asphalt pavement and RCA is the product of the demolition of concrete structures such as buildings, roads and runways. The production of RAP and

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  • Density of Common Building Materials per Cubic Foot - RF Cafe

    Nov 17, 2021 · Density of Some Common Building Materials: These values for density of some common building materials were collected from sites across the Internet and are generally in agreement with multiple sites. Most are from ASAE (American Society of Engineers and Architects) tables. However, if you have values that you believe are more accurate, use them ...

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  • CITY OF NEWTON, KANSAS STANDARD ENGINEERING

    maximum density as determined by ASTM D698, except as noted below for rock base. Rock Base is to be compacted and smoothed with a steel faced roller prior to placement of the pavement. C. Curb and Gutter 1. Types See Figure II.2 for the following standard

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  • PROPERTIES OF RECYCLED AGGREGATE CONCRETE

    application of coarse recycled concrete aggregate, as the component materials in the con-crete mixtures, it is possible to produce structural concrete that can be satisfactory and even ... density of recycled aggregate was on the average by 10% lower compared to the bulk density of natural aggregates [6,9,10]. 2.5. Crushing and abrasion resistance

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  • Recycled Concrete Aggregates: Its Properties & Uses

    Jun 27, 2019 · Density: Recycled concrete as aggregate contains residual adhered mortar on the particle of aggregate. Due to which the density of RCA is normally lower than the density of natural aggregate. The main reason for the lower density is that the adhered mortar is lighter in weight compared to the same volume of natural aggregate, which decreases ...

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  • Recycled Concrete - an overview | ScienceDirect Topics

    Recycled concrete and masonry (RCM) aggregate can be described as graded aggregate produced from sorted and clean waste concrete and masonry. The RCM material may contain brick, gravel crush rock or other forms of stony materials as blended materials. Class 1B

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  • The Use of Recycled Concrete Aggregate in a Dense Graded ...

    a device called the Electrical Density Gauge (EDG) that also claimed to be a non-nuclear means of determining dry density and moisture content. Both units were used on five separate field trials (5 sections for the TDR and 3 sections for the EDG) and ... The Use of Recycled Concrete Aggregate in a Dense Graded Aggregate Base Course . ii TABLE ...

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  • Calculate Crushed Concrete Road Base | Cubic Yard (or Feet ...

    Calculate Crushed Concrete Road Base. Type in inches and feet of your project and calculate the estimated amount of Recycled Materials in cubic yards, cubic feet and Tons, that your need for your project. The Density of Crushed Concrete Road Base:

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  • Recycled Concrete Aggregates: A Review | International ...

    Mar 29, 2013 · After demolition of old roads and buildings, the removed concrete is often considered worthless and disposed of as demolition waste. By collecting the used concrete and breaking it up, recycled concrete aggregate (RCA) is created (Fig. 1).This paper focuses on coarse RCA which is the coarse aggregate from the original concrete that is created after the mortar is separated from the rock

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  • 2019 Recycled Concrete Usage in Aggregate Materials

    Dec 19, 2019 · Table 2 – Recycled Concrete Aggregate Use . RECYCLED CONCRETE USAGE IN AGGREGATE MATERIALS . 4 . Gravel Backfill for Pipe Zone Bedding 68 Summary of Recycled Concrete Usage WSDOT Contracts Completed (Nov 2018 – Oct 2019) Recycled Contract Material Concrete Quantities Used (Tons) (Tons) Coarse Aggregate for Commercial Concrete 0 2,396

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  • Compaction Control of Crushed Concrete and Recycled ...

    Apr 26, 2012 · Crushed concrete (CC) and recycled asphalt pavement (RAP) are sometimes used as substitute fill material in retaining wall and pavement applications. The accuracy of the nuclear gauge device for density and moisture content measurements on these two recycled materials may be unreliable, due to their chemical compositions being different than ...

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  • Materials Manual | Manuals | WSDOT

    May 27, 2021 · SOP 738 (PDF 163KB) Establishing Maximum Field Density for Recycled Concrete Aggregates by Test Point Evaluation. T 802 (PDF 1.2MB) Method of Test for Flexural Strength of Concrete (Using Simple Beam With Center-Point Loading) C 805 (PDF 193KB) Rebound Hammer Determination of Compressive Strength of Hardened Concrete

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  • Recycled Aggregates - Portland Cement Association

    The natural process of carbonation occurs in all concrete from the surface inward. In the process of crushing concrete to create recycled concrete aggregates, areas of the concrete that have not carbonated are exposed to atmospheric carbon dioxide. The LEED ® Green Building Rating System recognizes recycled concrete in its point system. Credit ...

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  • (PDF) Bond Behavior of Recycled Fiber Recycled Concrete ...

    Dec 03, 2021 · The bond behavior between recycled fiber recycled concrete (RFRC) and reinforcement after F-T cycles was investigated in this paper. The pull

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  • Protecting Recycled Concrete with Microbial Cultures

    Nov 03, 2021 · Concrete production weighs heavy on the environment, responsible for around 50% of overall waste generated worldwide. Recently, a team of researchers from Spain and Portugal has conducted a study, published in the journal Materials, evaluating how recycled concrete could be protected using bioproducts and microbial structures.

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  • Density of Aggregate - Bulk and Relative Density - Civil ...

    The approximate bulk density of aggregate that is commonly used in normal-weight concrete is between 1200-1750 kg/m 3 (75-110 lb/ft 3). Here, the Standard test method for determining the bulk density of aggregates is given in ASTM C 29 (AASHTO T 19).

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  • Reclaimed Concrete Material - User Guideline - Granular ...

    Mar 08, 2016 · Strength Characteristics: Processed RCM, being a 100 percent crushed material, is highly angular in shape. It exhibits California Bearing Ratio (CBR) values ranging from 90 to more than 140 (depending on the angularity of the virgin concrete aggregate and strength of the Portland cement matrix), which is comparable to crushed limestone aggregates.

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  • (PDF) Bond Behavior of Recycled Fiber Recycled Concrete ...

    Dec 03, 2021 · The bond behavior between recycled fiber recycled concrete (RFRC) and reinforcement after F-T cycles was investigated in this paper. The pull

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  • A STUDY ON RECYCLED CONCRETE AGGREGATES

    A STUDY ON RECYCLED CONCRETE AGGREGATES PAVAN P S 1, BABITHA RANI H ,DEEPIKA GIRISH , RAGHAVENDRA K M 2, VINOD P N 1,DUSHYANTH.V.BABU.R ,SHAIK NUMAN1 1Assistant Professor, Department of Civil Engineering, SET, Jain University. 2Student , Department of Civil Engineering, SET, Jain University. Abstract The amount of construction waste has been dramatically

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  • 2019 Recycled Concrete Usage in Aggregate Materials

    Dec 19, 2019 · Table 2 – Recycled Concrete Aggregate Use . RECYCLED CONCRETE USAGE IN AGGREGATE MATERIALS . 4 . Gravel Backfill for Pipe Zone Bedding 68 Summary of Recycled Concrete Usage WSDOT Contracts Completed (Nov 2018 – Oct 2019) Recycled Contract Material Concrete Quantities Used (Tons) (Tons) Coarse Aggregate for Commercial Concrete 0 2,396

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  • Mix Design for Pervious Recycled Aggregate Concrete ...

    Nov 27, 2012 · The water absorption for 20 and 13 mm recycled concrete aggregates was 5.3 and 8.2 %, respectively, compared to 1.0 % for the natural aggregate. High water absorption and lower specific gravity for 13 mm recycled concrete aggregate are due to increased amount of weak attached mortar compared to that for 20 mm recycled concrete aggregate.

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  • Recycled Concrete Aggregate Federal Highway Administration ...

    Recycled Concrete Aggregate Federal Highway Administration National Review Purpose/Objectives: The purpose of this review is to capture for technical deployment the most advanced uses of recycled concrete aggregate and then transfer the knowledge with all State Transportation Agencies (STA).

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  • British Standards and the use of recycled aggregate in ...

    The use of recycled concrete aggregate in structural concrete. Transport Research Laboratory. AJJ Calder and CP Roberts. March 2005 • Density and compressive strength • Dynamic modulus • Shrinkage Up to 20% of coarse crushed concrete aggregate does not significantly affect engineering properties.

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  • Basic creep and fracture response of fine recycled ...

    Jan 10, 2021 · Both natural sand (NS) and fine recycled concrete aggregates (FRCA) were further characterized using water absorption tests and specific density tests, as shown in Table 1.The water absorption capacity of fine recycled concrete aggregate, 14.71 %, is an order of magnitude greater than that of natural sand, 0.76%.

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  • Density of Cement Sand and Aggregate in Kg/m3 | list of ...

    Cement density:- generally density of cement is around 1440kg/m3 or it is measured in other unit- their density is 1.440 in g/cm3, 94 in lb/ft3 and 14.40 in kn/m3. The cement mixed with fine aggregate produces cement mortar for masonry, or with sand and gravel produces concrete. Ans. 1440 kg/m3 is density of cement.

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  • SUSTAINABLE CONSTRUCTION

    Recycled aggregate comprising principally of crushed concrete • Manufactured aggregate Aggregate of mineral origin resulting from an industrial process involving thermal or ... Washed copper slag has a density of about 3200 to 3500 kg/m3. Therefore, compared to sand and granite (density of

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  • FHWA/TX-02/4177-2 4. Title and Subtitle

    RECYCLED ASPHALT PAVEMENT AND CRUSHED CONCRETE BACKFILL: RESULTS FROM INITIAL DURABILITY AND GEOTECHNICAL TESTS 5. Date October 2002 6. Performing Organization Code 7. Author(s) Ellen M. Rathje, Alan F. Rauch, Kevin J. Folliard, David Trejo, Dallas Little, Chirayus Viyanant, Moses Ogalla, Michael Esfeller 8. Performing Organization Report No ...

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  • CITY OF TOMBALL RECYCLED CRUSHED STANDARD

    F. TxDOT Tex-115-E - Field Method for Determining In-place Density of Soils and Base Materials. G. TxDOT Tex-120-E - Soil-Cement Testing. 1.04 SUBMITTALS . A. Conform to requirements of Section 01330 - Submittal Procedures. B. Submit representative samples of crushed concrete for testing.

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  • 5-75mm Concrete Aggregates - Crushed Aggregate, Concrete ...

    Density (Loose) BCC; 5mm Recycled Concrete Aggregate: Bedding sewer & water pipes. 1.20 t/m3: Yes: 10mm Recycled Concrete Aggregate: Bedding sewer & water pipes. 1.20 t/m3: Yes: 20mm Recycled Concrete Aggregate: Backfill sleeper, rock or block retaining walls, under concrete as drainage layer. 1.20 t/m3: Not Applicable: 75mm Recycled Concrete ...

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  • Mechanical Properties Of Recycled Aggregates Concrete ...

    Recycled concrete aggregates produced from all but the poorest quality original concrete can be expected to pass the same tests. Recycled concrete aggregates contain not only the original aggregates, but also hydrated cement paste. This paste reduces the specific gravity and increases the porosity compared to similar virgin aggregates.

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  • Recycled Aggregate - California

    Recycled aggregate is produced by crushing concrete, and sometimes asphalt, to reclaim the aggregate. Recycled aggregate can be used for many purposes. The primary market is road base. For information on recycling asphalt pavement into new asphalt pavement. See

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