Coarse Recycled Aggregate Ppt

Recycled Concrete as Aggregate for Structural Concrete ...

Seeking aggregates for concrete and to dispose of the waste from various commodities is the present concern. Today sustainability has got top priority in construction industry. In the present study the recycled plastics were used to prepare the coarse aggregates thereby providing a sustainable option to deal with the plastic waste [10].

Recycled Concrete Aggregates: A Review | SpringerLink

Apr 28, 2013· 13Aggregates whose particles donot pass through 4.75 mm IS aretermed as coarse aggregates.Most commonly used coarseaggregates are crushed stone,gravel; broken pieces of burntbricks,etc.(2) Coarse Aggregates: 13. 14It is an excellent coarse aggregateand is obtained by crushing granite,sand stone or grained lime stoneand all types of stones.

Recycled Concrete Aggregate - an overview | ScienceDirect ...

coarse recycled aggregate ppt. Properties of concrete made with recycled aggregate from partially . recycled aggregates of various particle size groups, while the ... Read more. reuse and recycle of construction material. Aggregates ppt LATIF ... INTRODUCTION • Construction waste recycling is the separation and ... - that recycled aggregates ...

recycling of aggregate ppt

Coarse Aggregate Recycled Coarse Aggregate Fine Aggregate Specific Gravity 2.65 2.19 2.60 Bulk Density, kg/m 3 1614 1356 1690 Water Absorption, % 1.31 5.64 0.84 Fineness Modulus 6.2 5.96 2.36 Impact Value, % 9.88 17.36 -- IV. MIXTURE DESIGN Fo r the purpose of the experiment six types of concrete mixes were made.

Electric Arc Furnace Slag as Coarse Recycled Aggregate for ...

Apr 21, 2015· ppt file contact me ... Recycled aggregates are the aggregates produced from the processing of previously used construction materials such as concrete or masonry. Recycled aggregates consists of hard, graduated fragments of inert mineral materials, including sand, gravel, crushed stone, slag, rock dust, or powder. ...

Ppt For Recycling Of Coarse Aggregate

RECYCLED TIRES AS COARSE AGGREGATE IN CONCRETE. RECYCLED TIRES AS COARSE AGGREGATE IN CONCRETE PAVEMENT MIXTURES 5. Report Date July 2013 6. Performing Organization Code 7. Author(s) Rui Liu, Ph.D., P.E. 8. Performing …

Recycled Aggregates - Portland Cement Association

Shear strength of recycled aggregate concrete is lesser than of normal concrete. This is because the recycled aggregate from field-demolished concrete for example can be relatively weaker than a typical natural aggregate. In general, there is a 10% decrease in strength when recycled coarse aggregates are used. Uses of Crushed Concrete Aggregates

recycling of aggregate ppt - ijsclubnibbixwoud.nl

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 …

Recycled Aggregate Self Compacting Concrete

Properties of recycled aggregate concrete prepared with scattering-filling coarse aggregate process. Cement and Concrete Composites, volume 93 (2018) page 19–29. Go To Cement and Concrete Composites, volume 93 (2018)

Aggregates ppt - LinkedIn SlideShare

- the third concrete mix had of recycled coarse aggregate (R100). As all the other variables were kept constant, this research enabled us to determine the influence of the coarse recycled aggregate amount (0%, 50% and ) on tested concrete properties. The following properties of concrete were selected for testing: ...

PROPERTIES OF RECYCLED AGGREGATE CONCRETE

19.2.1 Recycled concrete aggregate (RCA) Coarse RCA complies to the requirements of maximum 5% masonry content, 5% fine materials, 0.5% lightweight material, 5% asphalt, 1% foreign material and 1% acid soluble sulfate, and is suitable for use in concrete as per BS 8500-2 (2006).

recycling of aggregate ppt - nijhuisarchitectuur.nl

Recycled plastic aggregate • To compare the physical characteristics of natural aggregate with Plastic recycled aggregate. • To study the behavior of fresh and hardened concrete with polymer waste coarse aggregate and compare its properties to those of conventional concrete • To produce lightweight polymer concrete for multi-purpose use

Ppt For Recycling Of Coarse Aggregate

DATE: 19TH NOVEMBER, 2010 RECYCLED CONCRETE AGGREGATE PGSD – 0309 11 PROPERTIES AND VARIOUS TESTING METHODS • Research has shown that coarse recycled aggregates can be used in concrete up to a compressive strength of 80 N/mm2 and used in the range of 20 – 30% by mass of aggregates required along with natural aggregates.

Coarse Recycled Aggregate Concrete Pavements – Design ...

The coarse and fine aggregates supplied by the contractor satisfied the Ministry of Transportation of Ontario's standards for concrete pavements. The 19 mm RCA coarse aggregate was selected from decommissioned concrete curb and gutter from the Region of Waterloo. Figure 1 shows the waste concrete prior to being crushed and the resulting

Recycled Aggregate Concrete - LinkedIn SlideShare

example presentation format ppt for aggregate crushing plant ppt on recycling of aggregate. stone crusher. mobile ... ppt on crushing value of coarse aggregate Know More Recycled concrete aggregate - Upload, Share, and Discover ...

Use Of Recycled Aggregate In Concrete – IJERT

Lecture 4 Aggregates - Aalto. recycled concrete aggregate (RCA) when consisting primarily of crushed concrete or more general recycled aggregate (RA) when it contains substantial quantities of materials other than crushed concrete Currently, only the use of coarse aggregate derived from construction or demolition waste is recommended for use in ...

seminar on recycled aggregates

Nov 15, 2014· It is called recycled aggregate which can be produced by concrete crusher. The aggregates are categorized by size as coarse and fine aggregate. The characteristic of recycled aggregates could be different by its parent concrete because the parent concrete was designed for its purposes such as permeable, durable and high strength concrete

Renan Sorato

Electric arc furnace (EAF) slag is a by-product of steel production in electric arc furnaces. Several studies have tried to demonstrate its suitability in civil engineering application, such as in bituminous mixtures and cement-based materials, due to its good physical, chemical and mineralogical properties. Particularly the re-use as coarse aggregate for concrete production has been shown to ...

Recycled Concrete Aggregate - an overview | ScienceDirect ...

Files > Download Recycled Concrete Aggregate - PowerPoint Presentation - CivilEngineeringBible.com (FREE!) One of the major challenges of our present society is the protection of environment. Some of the important elements in this respect are the reduction of the consumption of energy and natural raw materials and consumption of waste materials.

Concrete production using recycled waste plastic as aggregate

Construction & Demolition waste has greater potentiality in replacing fully or partially in main line construction activities. In this paper an experimental program is undertaken in which three different mixes (i) Replacing 10mm, (ii) 20mm and

Recycled Aggregate - an overview | ScienceDirect Topics

In this study, total 90 cylinders and 5 beams were prepared with stone aggregate and 5%, 10%, 15% and 20% replacement of stone by recycled plastic aggregate at w/c ratio of 0.50. Tests were ...

Crushed Concrete Aggregates - Properties and Uses of ...

Benefits of recycling are extended when responsible recycling methods are used. Concrete mixes with different percentages of E-waste were casted. It has been decided to make three different types of conventional specimens with partial replacement of E-waste on a percentage of 10 20 and 30 to coarse aggregate with water cement ratio of 0.45.

Scattering-Filling Coarse Aggregate process recycles waste ...

The use of recycled concrete aggregate (RCA) in concrete as partial and full replacements of natural coarse aggregate is growing interest in the construction industry, as it reduces the demand for aggregate.

Recycled Plastics as Coarse Aggregate for Structural ...

It is generally accepted that when natural sand is used, up to 30 percent of natural crushed coarse aggregate can be replaced with coarse recycled aggregate without significantly affecting any of the mechanical properties of the concrete. As replacement amounts increase drying shrinkage and creep will increase and tensile strength and modulus ...

"RECYCLED PLASTICS USED AS COARSE AGGREGATE FOR ...

The suitability of recycled plastics as coarse aggregate in concrete and its advantages are discussed here. The initial questions arising of the bond strength and the heat of hydration regarding plastic aggregate were solved. Tests were conducted to determine the properties of plastic aggregate such as density, specific gravity and aggregate ...

Recycled Concrete Aggregates: A Review | SpringerLink

DATE: 19TH NOVEMBER, 2010 RECYCLED CONCRETE AGGREGATE PGSD – 0309 11 PROPERTIES AND VARIOUS TESTING METHODS • Research has shown that coarse recycled aggregates can be used in concrete up to a compressive strength of 80 N/mm2 and used in the range of 20 – 30% by mass of aggregates required along with natural aggregates.

recycled aggregate concrete ppt

Seminar Slide On Recycling Aggregate greenrevolutionorgin. Recycling Coarse Aggregate 4/20 India Crusher&Mill seminar slide on recycling aggregate the cross timbers is or are (as the grammatical case may be) some of [Chat Online] Aggregates ppt SlideShare

Recycled Aggregates.ppt | Construction Aggregate | Concrete

Said Kenai, in Waste and Supplementary Cementitious Materials in Concrete, 2018. Abstract. Construction industry generates huge amounts of debris that needs to be recycled and reused as recycled aggregates (RAs) for partial or total substitution of natural aggregates. Recycling reduces waste and reduces energy consumption and hence contributes to a more sustainable construction …