density of recycled concrete

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

Sustainable Construction: Use of Recycled Concrete Aggregate

Jul 07, 2015· The results of material tests on a large number of samples from different stationary recycling plants show that the processed concrete rubble is a relatively pure material. The particle size distribution mostly meets the requirements of the aggregate grading curves. The bulk density ranges from 1,86 g/cm 3 to 2,33 g/cm 3.

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 ...

Technical Information Sheet CLASS 4 CRUSHED CONCRETE

the amount of concrete in the product. Composition is in accordance with VicRoads specifications and Alex Fraser's mix designs registered with VicRoads. Particle size: Can also be produced to 40mm on request. Technical Information Sheet CLASS 4 CRUSHED CONCRETE TAKE THE DENSITY ADVANTAGE CHALLENGE TODAY. COMPARE AND CALCULATE YOUR COST SAVINGS.

Recycled Aggregate - California

Recycled aggregate comes primarily from PCC and AC from road rehabilitation and maintenance, demolition, and leftover batches of AC and PCC. After processing, the rocks retain bits of cement or asphalt. A roadway is built in several layers: pavement, base, and sometimes subbase. The pavement is the surface layer, and is made of PCC or AC.

Calculate 2" Minus Road base (RCA) | cubic yards / Tons

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 2" Minus Road base (RCA): 2,410 lb/yd³ or 1.21 t/yd³ or 0.8 yd³/t

Crushed Concrete & Concrete Aggregate 101 - Superior ...

Jul 29, 2019· Recycling crushed concrete to be reused helps reduce landfill overflow AND saves more resources from being used to create new concrete. The concrete can be crushed down to specific sizes, cleaned so that unwanted debris is removed from the mixture, and reused as a solution to a number of construction and landscaping problems.

Recycled Plastic Aggregate Used In Concrete Paver Blocks ...

Recycled Plastic Aggregate Used In Concrete Paver Blocks: Low Density Recycled Plastic Aggregate|Hemraj Kumavat will start working on your paper. However, the cost of your essay can vary depending upon the academic level, the number of required pages, and the deadline.

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 ...

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 ...

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 …

UG-Mat Reclaimed Concrete Material | Recycled Materials ...

ia. VDOT used recycled concrete aggregate in the subbase aggregate for a $140 million reconstruction of a section of Interstate 66 in Fairfax and Prince William counties. Portable crushing equipment allowed the concrete to be processed on-site, eliminating the need to truck in aggregate.

Density of Construction Materials in kg/m3 and lb/ft3 ...

Density is also called as unit weight of substance. It is represented by symbol called row ( p). Density represents the degree of compactness of material. If the material is of more density, it is more compacted material. Density is defined as the ratio of mass to volume. p = m/v Units = kg/m 3 or lb/ft 3 Conversion: 1 kg/m 3 = 0.624 lb/ft 3.

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.

(PDF) Mix Design of Recycled Aggregate Concrete Using ...

This paper is devoted to the studies of material and mechanical properties of recycled aggregate concrete using packing density method. This paper considers mix of two different aggregate sizes of ...

Recycled Concrete Aggregates: Its Properties & Uses

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.

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 ...

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: …

Density of Cement, Sand and Aggregate, Bulk Density of ...

For reinforced cement concrete work usually, 20 mm size aggregate is preferred. For structural concrete common materials like gravel and crushed stone are used. Also, Read – What is M Sand? Properties, advantages, Disadvantages. Bulk density of Aggregate. It is the weight of aggregate needed to fill a unit volume of the container.

Density of Cement Sand and Aggregate | Cement Density ...

Density of Crushed Sand. Crush sand is used as partial replacement of fine aggregate in construction and the density of M or crush sand is 1750 kg/m3, specific gravity and F. M. is found to be 2.73 and 4.66 respectively. ... High density concrete is a concrete having ...

Better lightweight concrete with recycled glass ...

Apr 19, 2016· Concrete does not have to be heavy to be strong. Poraver is an innovative lightweight aggregate that can reduce concrete weight by up to 50% with good compressive strength. Made from post-consumer recycled glass, Poraver is 80% lighter than silica sand, and can make 4000 psi concrete that weighs just 100 lbs/cf.

USE OF RECYCLED CONCRETE AGGREGATES

Jan 12, 2011· 3.1 Recycled Concrete Aggregates (RCA): Angular with rough surfaces Higher water absorption Lower density Higher abrasion loss May fail sulfate soundness test May contain higher level of sodium chloride 3.2 Concrete Made with RCA: 3.2.1 Fresh Concrete Harsh due to angularity and roughness of RCA ...

Some mechanical properties of normal and recycled ...

20 mm. Their results showed that the density of recycled concrete aggregate was 3% to 10% less than that of natural aggregate and the water absorption of recycled concrete aggregate was 3 to 5 times more than that of natural aggregate in the saturated surface dry state, due to the porosity of mortar around the recycled concrete aggregate.

Use of Recycled Concrete Materials in Base/Subbase ...

Dec 02, 2017· Recycling Details •Recycling chosen over 3-hour round-trip haul for aggregate. –200,000 gals of fuel saved in hauling aggregate and demolished concrete •Crushing plant set up in interchange cloverleaf. –No crushing from midnight …

Understanding the Density of Concrete • Aggregate Research ...

Nov 26, 2009· As for concrete itself, the density of concrete of normal weight is about 2,400 kg per cubic meter, or 145 lbs. per cubic foot. The concrete density varies depending on the amount and density of the aggregate, how much air is entrapped or purposely entrained, the cement concentration, and the maximum size of aggregate used.

Concrete: Scientific Principles

crushed recycled concrete used for normal concrete projects; heavyweight steel or iron shot steel or iron pellets used for making high density concrete for shielding against nuclear radiation; Refer to Demonstration 2. The choice of aggregate is determined by the proposed use of the concrete. Normally sand, gravel, and crushed stone are used as ...

Density Of Cement | Density Of Sand | Sand Density ...

Density is also represented in gram per cubic centimeter (gm/cm 3).The standard drinking water has a density of 1 gm/cm 3 at a 4°-degree temperature. Which is equal to 1 kg/1000 cm 3.The conversation of kg/m 3 to gm/cm 3 is done by just multiplying with 0.001. Similarly, gm/cm 3 is converted in kg/m 3 by multiplying with 1000. Sometimes, density is also represented in non-conversion unit ...

RECYCLED CRUSHED CONCRETE BASE COURSE PART 1 G E …

A. Recycled Crushed Concrete: Material retained on No. 40 Sieve, and durable coarse particles of crusher-run reclaimed cured Portland cement concrete, obtained from approved source. Organic material is prohibited. The crushed concrete shall be substantially free of foreign matter including but not limited to asphalt, base, and dirt.

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

COMPACTION CONTROL OF CRUSHED CONCRETE AND RECYCLED …

Jul 27, 2004· Crushed concrete (CC) and recycled asphalt pavement (RAP) are sometimes used as a substitute fill material in retaining wall and pavement applications. The accuracy of the nuclear gauge device for density and moisture content measurements on the two recycled materials may be unreliable, due to their chemical compositions being different than ...

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

If the volume is unit then, Bulk Density= Mass. Unit in kg/m 3 or lb/ft 3. In this definition, the volume is that contains both the aggregates and the voids between aggregates particles. The approximate bulk density of aggregate that is commonly used in normal-weight concrete is …

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 aggregates.

Summary of Testing of Recycled Crushed Concrete

Summary of Testing of Recycled Crushed Concrete RICHARD W. PETRARCA and VINCENT A. GALDIERO ABSTAACT To investigate the performance of recycled concrete aggregates (RCA), physical test data from 1977 through 1982 are summarized ... density test (ASTM Dl557). 3, Field samples were obtained each week from

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 ...

density of recycled concrete

If you have any questions, please feel free to contact us.

Important Links

Latest Products

Subscribe Us