journals on recycled aggregate concrete

Utilization of Demolished Waste as Coarse Aggregate in ...

Reusing these concrete wastes will help in saving landfill spaces in addition to more sustainability in natural resources. The objective of this study is to investigate the possibility of using old recycled concrete as coarse aggregate to make new concrete mixes, and its effect on the evolution of the compressive strength of the new concrete mixes.

Recycled Topic - American Concrete Institute

Sep 30, 2019· JOURNAL Articles ON RECYCLED Shear Behavior of Recycled Coarse Aggregate Concrete Beams after Freezing-and-Thawing Cycles. Publication: Structural Journal Date: 9/1/2019 Field Application of Recycled Glass Pozzolan for Concrete

Concrete recycling - Wikipedia

In general, the reuse and recycle of construction waste is concentrated in the preparation of recycled aggregate for concrete. By adding a portion of recycled aggregate instead of natural aggregate coarse into the mixture, producing the recycled concrete, which can conserve energy and materials for concrete production.

Experimental Study of the Geopolymeric Recycled Aggregate ...

Sep 09, 2016· The mechanical study shows that the reduction rates of the compressive strength, Young's modulus, and the Poisson's ratio of the geopolymeric recycled aggregate concrete (GRAC) specimens increase with the increase of the water/cement (w/c) ratio.

(PDF) Use of recycled concrete aggregate in concrete: A review

PDF | 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 ...

Construction Industry Waste Management- An ... - IOSR …

Recycled Aggregate, Recycled Aggregate Concrete. I. Introduction Any construction activity requires several materials such as concrete, steel, brick, stone, glass, clay, mud, wood, and so on. However, the cement concrete remains the main construction material used in construction industries.

Recycled Aggregates - cement.org

The states that do use recycled concrete aggregate (RCA) in new concrete report that concrete with RCA performs equal to concrete with natural aggregates. Most agencies specify using the material directly in the project that is being reconstructed. Recycling of concrete is a relatively simple process.

Suitability Investigation of Recycled Concrete Aggregates ...

M. Wijayasundara, P. Mendis, and R. H. Crawford, "Methodology for the integrated assessment on the use of recycled concrete aggregate replacing natural aggregate in structural concrete," Journal of Cleaner Production, vol. 166, pp. 321–334, 2017. View at …

Structural Concrete Prepared with Coarse Recycled Concrete ...

An investigation of mechanical behaviour and elastic properties of recycled aggregate concrete (RAC) is presented. RACs were prepared by using a coarse aggregate fraction made of recycled concrete coming from a recycling plant in which rubble from concrete structure demolition is collected and suitably treated. Several concrete mixtures were prepared by using either the only aggregates ...

(PDF) The Use Of Recycled Aggregate From Demolished ...

Reviewed Paper Volume 3 Issue 10 June 2016 International Journal of Informative & Futuristic Research ISSN: 2347-1697 The Use Of Recycled Aggregate From Demolished Material Civil Paper ID IJIFR/V3/ E10/ 004 Page No. 3654-3659 Subject Area Engineering KeyWords Gross NPA, Net NPA, Public banks and personal Sector Banks B.E. Student Department of Civil Engineering, 1st Pawar Sagar Balkrishna ...

Recycled Concrete Aggregate - an overview | ScienceDirect ...

Recycled Concrete Aggregate. Recycled aggregate concrete is defined as concrete manufactured with waste materials in order to reduce the negative environmental impact that results from the manufacturing process of cement, achieving a more sustainable product.

Use of recycled concrete aggregate in concrete: a review ...

Aug 24, 2015· AbstractThe 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. In addition, the use of RCA leads to a possible solution to the environmental problem caused by concrete waste and reduces the negative environmental impact of the aggregate ...

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. ... Zhang, M. H. (2013). Effects of the parent concrete properties and crushing procedure on the properties of coarse recycled concrete aggregates. Journal of Materials in Civil ...

Seismic Performance of Interior and Exterior Beam–Column ...

Mar 03, 2019· Journal of Structural Engineering / Volume 145 Issue 3 - March 2019 ... However, only a few experimental tests have been conducted on recycled aggregate concrete (RAC) beam–column joints. This paper presents an experimental investigation of the seismic behavior of various types of RAC beam–column joints. A series of five RAC beam–column ...

recycled concrete Topic

Sep 30, 2019· Recycled Concrete. Definition: hardened concrete that has been processed for reuse, usually as aggregate.- ACI Concrete Terminology. The reason for recycling is the reduction of waste in order to protect nature against pollution, the increasing shortage of suitable dumping grounds, and to save energy and natural resources.

Recycling of PET bottles as fine aggregate in concrete ...

An attempt to substitute in concrete the 5% by weight of fine aggregate (natural sand) with an equal weight of PET aggregates manufactured from the waste un-washed PET bottles (WPET), is presented. The WPET particles possessed a granulometry similar to that of the substituted sand. Specimens with ...

Review Article ASSESSMENT OF RECYCLED AGGREGATE …

recycled fine aggregate and recycled coarse aggregate. It also compares these properties with natural aggregates. Basic changes in all aggregate properties were determined and their effects on concreting work were discussed at length. Similarly the properties of recycled aggregate concrete were also determined and explained here.

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.

Effect of Recycled Coarse Aggregate on Concrete Properties ...

Abstract. This research was conducted with the use of recycled aggregate as modification. In terms of the use of recycled aggregate, the percentage of recycled aggregate should be determined because the strength of concrete would not be obtained by the high percentage of recycled aggregate.The scope of study is about comparison between recycle coarse aggregate and natural aggregate in …

Recycled Concrete Aggregates: A Review | SpringerLink

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 …

A STATE OF THE ART REVIEW ON RECYCLED AGGREGATE …

A STATE OF THE ART REVIEW ON RECYCLED AGGREGATE CONCRETE Adel A. Al-Azzawi and Mustafa S. Shalal Al -Nahrain University E-Mail: [email protected] ABSTRACT Numerous experimental and theoretical studies on recycled aggregate concrete have been carried out in the past 10 years. This paper presents several reviews of RAC.

Recycled Plastics as Coarse Aggregate for Structural ...

There are many recycling plants across the world, but as plastics are recycled they lose their strength with the number of recycling. So these plastics will end up as earth fill. In this circumstance instead of recycling it repeatedly, if it is utilized to prepare aggregates for concrete, it will be a boon to the construction industry.

Recycled Aggregates in Concrete • Aggregate Research ...

Recycled Aggregates () — Construction materials are increasingly judged by their ecological characteristics. Concrete recycling gains importance because it protects natural resources and eliminates the need for disposal by using the readily available concrete as an aggregate source for new concrete or pavement sub-base layers.

STUDY ON STRENGTH OF CONCRETE BY USING RECYCLED AGGREGATE ...

In recycled aggregate concrete", published in Journal of conclusion, up to 40% of WCA along with polypropylene Engineering Research and Studies, March 2011. fibre and natural (coir) fibre respectively with 10% [13] Properties of concretes produced with waste concrete replacement of cement by silica fume gives good results aggregate,Ilker ...

International Journal of Engineering Trends and …

recycled aggregate to 80% recycled aggregate and with more percentage replacement of recycled aggregate used in the concrete specimen, the percentage of tensile strength remained are gradually decreasing. 3. Concrete made with recycled aggregate produced from construction and demolition waste has a compressive strength

Recycling of Concrete (Recycling Coarse Aggregate) – IJERT

AbstractThis Research paper is a live study on the above mentioned title Recycling of Concrete This paper consist the introduction of recycled concrete aggregate with its uses and properties. Various test results on Recycled concrete aggregate also described. It also consist the difference between RCA and natural aggregate.

Use of RECYCLED AGGREGATES In CONCRETE- A Paradigm Shift

This paper reports the results of experimental investigations on recycled aggregate concrete. Properties of Recycled Concrete Aggregate Particle Size Distribution The result of sieve analysis carried out as per IS 2386 for different types of crushed recycled concrete aggregate and natural aggregates.

Use of Recycled Aggregate Concrete - IOSR Journals

properties of recycled fine aggregate and recycled coarse aggregate & also compares these properties with natural aggregates. Basic changes in all aggregate properties are determined and their effects on concreting work are discussed at length. Similarly the properties of recycled aggregate concrete are also determined. Basic

Recycled Aggregate Self-curing High-strength Concrete ...

The hardened concrete properties are discussed in terms of compressive, splitting tensile, flexure and bond strengths. The obtained results show that, the using of water reducer admixture enhances the main fresh and hardened properties of self-curing high-strength concrete cast using recycled aggregate.

Special Issue "New Trends in Recycled Aggregate Concrete"

In recent years, the amount of construction waste and recycled aggregate has been increasing every year in Korea. However, as the recycled aggregate is poor quality, it is not used for concrete, and the Korean government has strengthened the quality standards for recycled aggregate for concrete.

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