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INDIANA DEPARTMENT OF TRANSPORTATION DIVISION OF …

aggregate, recycled concrete, or RAP test sections. DCP shall be used to determine the blow counts, roller type, pattern and number of passes. ... maximum dry density of the soil. When the average test density is equal to 95% of the maximum dry density, the compaction is 95% and the test section is complete. 9.5.

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

Domain Reflectometry, TDR (ASTM D6780), as a non-nuclear means for determining the dry density and moisture content of granular base and subbase aggregates during quality control. Just prior to the study, Humboldt Equipment Company provided ... The Use of Recycled Concrete Aggregate in a Dense Graded Aggregate Base Course . ii TABLE OF CONTENTS

Reclaimed Asphalt Pavement - Material Description - User ...

Mar 08, 2016· Since most RAP is recycled back into pavements, there is a general lack of data pertaining to the mechanical properties for RAP in other possible applications. The compacted unit weight of RAP will decrease with increasing unit weight, with maximum dry density values reported to range from 1600 kg/m 3 (100 lb/ft 3) to 2000 kg/m 3 (125 lb/ft 3).

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

Essential Points. Most of the aggregates possess a relative density within 2.4 – 2.9 with a similar particle density about 2400-2900 Kg/m 3 (150-181 lb/ft 3).; Hereabouts, for coarse aggregates, the standard test process has been described in ASTM C 127(AASHTO), and for fine aggregates, the standard test practice has been described in ASTM C 128 (AASHTO).

Dry Loose Bulk Density Of Coarse Aggregate

dry loose bulk density of coarse aggregate - Egypt Crusher. dry loose bulk density of coarse aggregate; ... Dark grayish brown (10YR 4/2) …

What is the density of a coarse aggregate? - Quora

Answer (1 of 2): thanks for ask bro… Coarse Aggregate in general should consist of natural occurring stones (crushed, uncrushed or broken), riverbed single or pit gravel. It should be hard, strong, dense, durable, and clean. It must be free from …

A REVIEW OF RECYCLED CONCRETE AGGREGATES AS A …

Together with this noticeable porosity issue, the recycled aggregate has a lower density and higher water absorption capacity as compared to the natural aggregate [28]. The first step to understand the Science behind the RCA is to investigate its physical properties. The RCA in its saturated surface dry (SSD) state yielded a relative density of

Density of coarse aggregate? - Answers

Sep 21, 2012· for dry,,,, and 14867.7 kg⁄m3 for wet. ... and recycled concrete aggregate. ... Objects whose aggregate density is greater than the density of water sink in it.

Experimental Study on Tensile Creep of Coarse Recycled ...

shows the physical properties, such as density of saturated surface dry, dry density, absorption ratio, and fineness modulus, of coarse recycled aggregate and natural aggregate. According to Korean Standards (KMCT 2005), the absorp-tion rate of coarse recycled aggregates should be smaller than 3 %, so the coarse recycled aggregates with the

Quality improvement of recycled fine aggregate using steel ...

Jun 23, 2017· The recycled aggregates were of high quality, evidenced by the fact that the oven-dry density and absorption ratio measured after the abrasion using sulfuric acid solution were 2.51 g/cm 3 and 2.3%, respectively, which satisfied the oven-dry density and absorption ratio criteria for Class I concrete, which are "over 2.2 g/cm 3 " and ...

Construction Aggregate Calculator - Vulcan Materials Company

Construction Aggregate Calculator. Enter the width, length, thickness, and product density and hit the "Calculate" button to calculate your estimate. If you do not know the product density, use the optional density estimator* or contact a local sales representative.

Recycled Aggregates - Portland Cement Association

Only up to 10 to 20 percent fine RCA is beneficial. The aggregate should be tested at several substitution rates to determine the optimal rate. Often recycled aggregate is combined with aggregate when used in new concrete. An example of a mix design using recycled aggregates in a pavement application is shown following table.

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

The density of sand (fine aggregate) is ranging between 1450-2082 kg/m3 depending on different conditions like wet, dry, loose, dry-packed, and wet packed. What is Bulk Density of Aggregate? The Unit weight or bulk density of aggregate is the mass or weight of the aggregate required to fill a container of a specified unit volume.

What is the density of recycled coarse aggregate? - Quora

What is the density of recycled coarse aggregate? I was part of our national code committee when we wrote about recycled aggregates. I guess you are asking about the bulk density. Clearly, the particle density will be around that of the concrete f...

Utilisation of Recycled Aggregate as Coarse Aggregate in ...

The density of recycled aggregate used is lower than the density of normal aggregate. Porosity of recycled aggregates is also much higher than those of natural aggregates [7]. Generally, the grading curves for recycled aggregate are continuous and they have similar fineness ... Except for the 28-days air-dry density, tests were conducted at the ...

Grading Design of Recycled Aggregate Cement-Stabilized ...

Sep 03, 2018· Therefore, this study compares the mix design results of the traditional and rotary compaction methods of recycled aggregate cement-stabilized gravel. Test results indicate that the optimum water content obtained using the rotary compaction method is smaller than that obtained using the traditional method, and the dry density index of 80 ...

Vol.7, , pp.61–69, March 2013 DOI 10.1007/s40069-013 ...

Table 1 Acceptance criteria regarding recycled concrete aggregates. Country or standard Recycled aggregate type Oven-dry density criterion (kg/m3) Absorption ratio of aggregate criterion (%) Australia (AS1141.6.2) (AS 1996) Class 1A C2,100 B6 Class 1B C1,800 B8 Germany (DIN 4226-100) (DIN 2002) Type 1 C2,000 B10 Type 2 C2,000 B15 Type 3 C1,800 B20

Improving the Quality of Mixed Recycled Coarse Aggregates ...

The primary objectives of this study are to investigate the feasibility of a heavy media separation process with magnetite (Fe 3 O 4 ) suspension for upgrading the quality of mixed recycled coarse aggregates from construction and demolition waste (CDW) in Korea and to determine a range of effective operating density of Fe 3O4 suspension for producing …

Determining Maximum Dry Density and Optimum Moisture ...

dry density and optimum moisture content of the in-place soil-rock mixture at a test site as follows: 4.5.1 Obtain a minimum 5 lb sample of material from the density test as described in CP 80. Method A - Oven Dry 4.6 Dry the entire specimen and determine the dry weight of the entire specimen in accordance with AASHTO T 265.

Bulk Density and Void Percentage Test for Aggregates - The ...

The bulk density determined by this test method is for aggregate in an oven-dry condition. If the bulk density in terms of saturated-surface-dry (SSD) condition is required, it can be computed using the following formula: Mssd= M[1+(A/100)] Equation 5. where: MSSD : bulk density in SSD condition, kg/m^3. A: % absorption, 2. Void Content

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

Aggregate density:- density of coarse sand/ gravel/ aggregate is ranging between 1450 – 2082 kg/m3 in metric system or 75 – 110 lb/ ft^3 based in Imperial and US customary measurement system depending on different condition like wet, dry, loose, dry packed and wet packed.

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 …

FLEX BASE PROPERTIES

Density Control of maximum dry density Moisture content within ±2 percent of optimum. Curing Finished section until moisture content is at least 2 percent below optimum. Ride Quality Only applicable to final travel lanes receiving 1 or 2 course seal coat. IRI value of 100.0 in. per mile or less for each wheelpath.

Density of Common Building Materials per Cubic Foot - RF Cafe

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 BOCA or ASAE tables. However, if you have values that you believe are more accurate, use them for your calculations, and please send me an e-mail to let me know what your ...

Compaction assessment of recycled aggregates for use in ...

Study was recently conducted at Kingston University to assess the suitability of using recycled concrete aggregate (RCA) and reclaimed asphalt pavement (RAP) in unbound subbase mixtures. The results showed that the use of recycled aggregates increased the optimum moisture content and decreased the maximum dry density of the sub-base ...

Aggregates and Earthworks Testing - Southern Testing

Bulk & Dry Density: BS1377-2:7 & BS EN ISO 17892-2: The density of soils depends on the density of the solid particles, on the porosity and the moisture content. The dry density is used in the evaluation of porosity and voids ratio. It is frequently used in road construction for the determination of the state of compaction of fill material.

Aggregates from Natural and Recycled Sources

the use of recycled aggregates into other applications. Aggregates recycling is most likely to be successful where transportation dynamics, disposal and tipping fee structures, resource supply/product markets, and municipal support are favorable. Recycling operations often must over-come risks associated with feed and product availability, pric-

Grading Design of Recycled Aggregate Cement-stabilized ...

Mar 01, 2018· As shown in table 4, the optimum water content, maximum dry density, and compressive strength of the cement-stabilized recycled aggregate crushed stones designed using the traditional method increased with an increase in cement content. This trend is consistent with the water-stable macadam obtained using the original aggregates.

Technical Information Sheet CLASS 2 & 3 CRUSHED ROCK

Available Dry, wet mix or stabilised Dry, wet mix or stabilised Loose Density (natural) (approx) 1.65 t/m3 1.65 t/m3 Maximum Dry Density (approx) 2.24 t/m3 2.24 t/m3 Optimum Moisture Content (approx) 8.0% 8.0% Colour Blue/Grey Blue/Grey Available Size 20mm 20mm or 40mm 20mm Test Value Before Compaction

Bulk Density Of Aggregates | Loose And Compact Bulk ...

Jul 30, 2012· Bulk Density Of Aggregates. Jalal Afsar July 30, 2012 Concrete Strength No Comments. Bulk density of aggregates is the mass of aggregates required to fill the container of a unit volume after aggregates are batched based on volume. It depends on the packing of aggregate i.e. Either loosely packed aggregates or well dense compacted aggregates.

(PDF) ASSESSMENT OF FINE RECYCLED AGGREGATES IN MORTAR

The dry density of mortar in which sand was replaced by FRCA decreases slightly when using . ... Recycled aggregate consisted of crushed concrete …

Edil -No. 46 Engineering Properties of Recycled Materials ...

the optimum moisture content (OMC) and the maximum dry density (MDD) of a material. Through testing of specimens prepared based on this data, material properties such as ... characteristics of a given recycled aggregate are determined using ASTM D 854, and Atterberg limits of recycled aggregates are assessed using ASTM D 4318, AASHTO T 89 and T 90.

(PDF) Hydraulic Properties of Recycled Asphalt Pavement ...

The specimens were prepared at 95% of maximum dry density based on modified Proctor testing. The ksat of the RAPs varied from 3.8x10-5 to 3.7x10-4 m/s and from 1.6x10-5 to 2.6x10-5m/s for the RCAs ...