Durability Aspects of Recycled Aggregate Concrete: An

This paper examines the performance of recycled aggregate concrete made up of 60% recycled aggregates of 20 mm size in terms of durability tests namely rapid chloride permeability, drying shrinkage, water permeability, modulus of elasticity and creep without compromising the compressive strength.

THE IMPROVEMENT OF RECYCLED CONCRETE AGGREGATE A REVIEW PAPER

improvement the properties of recycled concrete aggregate. This paper reviews the published improvement methods for recycled concrete aggregate, and points out their advantages and disadvantages so as to facilitate the selection and further development of suitable enhancement methods for recycled concrete aggregate.

The potency of recycled aggregate in new concrete: a review

Oct 07, 2019 · This paper aims to review the effect of using recycled aggregates (RA) on the properties of recycled aggregate concrete (RAC) following the steady rise in global demand for concrete and the large generation of construction and demolition waste.,This study reviewed relevant literature of research work carried out by previous researchers, leading to a deeper understanding of the properties of ...

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

2013/12/24 · 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 ...

A STATE OF THE ART REVIEW ON RECYCLED AGGREGATE CONCRETE

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.

Review of Research on and Implementation of Recycled Concrete Aggregate

The objectives of this paper are to review the published research and development studies on recycled concrete aggregate in the GCC region, examine the current use of such material in construction, and recommend suitable strategies for wider applications.

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Research on recycled aggregate concrete A review

This paper reviews the research, applications and specifications of the use of recycled aggregates derived from C&D wastes in concrete. The review covers using recycled aggregates on the properties of the resulting concrete and summarizes RILEM and UK specifications governing the use of recycled aggregate in concrete.

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Recycled Aggregates - Portland Cement Association

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.

A review of recycled aggregate in concrete applications (2000

The paper reviews the production and utilisation of recycled aggregate in concrete. • Critically analysed the globally published data on recycled aggregate standards. • This review may help to alleviate the concerns of consumers. • This paper can encourage and further promote the use of recycled aggregate.

Behavior of Concrete Utilizing Recycled Aggregate

recycled aggregate was found useful if the replacement level is about 30% .This type of concrete has been used in many applications. Recycled aggregate can be seen as future material which will be eco -friendly and will

Concrete with fine recycled aggregates: a review: European

This paper presents a review of the literature published so far on the use of fine aggregates from construction demolition waste used as a partial or total replacement of fine natural aggregates in concrete production. The review presents the initial works on this subject and an overview of the existing regulations.

Recycled concrete as an aggregate for concrete—a review

The present state of knowledge on the use of recycled concrete as an aggregate in new concrete is reviewed and suggestions made as to what further work is necessary before a proper assessment of the material can be made. Where crushed uncontaminated concrete is used the properties of the material as an aggregate and the basic engineering characteristics of the concrete made with it are well ...

A Review on Recycled Aggregates for the Construction Industry

Jan 29, 2016 · In order to study closely and in brief related studies in the field of recycling of hardened concrete or the use of recycled aggregates this literature review was carried out. Recycled aggregates are still not conventionally used in the construction industry but still a lot of work has been done on recycling of hardened concrete and continuous ...

Experimental Research on Recycled Aggregate Concrete for

Nevertheless, the compressive strength of recycled aggregate concrete can achieve the target compressive strength by choosing a correct replacement ratio of recycled aggregate. Recycled aggregate could be used to make recycled aggregate concrete for pavement if its technical specification conforms to the requirements of the standard of cement ...

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Recycled Aggregate - an overview

Recycled aggregate occurs as either recycled concrete aggregate (RCA) or recycled asphalt pavement (RAP). Recycling concrete and asphalt has been taking place in the USA since at least the early 1970s (Nanasy 1972), and by the 1990s was a well-established activity.

Review on Chloride Penetration of Recycled Aggregate Concrete

This paper presents a review of the studies on chloride penetration of recycled aggregate concrete in terms of its main factors. These factors include quality and replacement ratio of recycled concrete aggregate, mineral admixtures, water-binder ratio, type and level of load and curing mechanisms.

Mortar and concrete composites with recycled plastic: A review

Finally, it should be noted that Sharma and Pal Bansal published a review on different aggregate shapes of recycled plastic waste in concrete, such as particles (shredded and melted) and fibres . However, two important gaps in this research are the analysis of

Review Article ASSESSMENT OF RECYCLED

Journal of Engineering Research and Studies E-ISSN 0976-7916 JERS/Vol.II/ Issue I/January-March 2011/1-9 Review Article ASSESSMENT OF RECYCLED AGGREGATE CONCRETE Parekh D. N.1 and Dr. Modhera C. D.2

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A Review on Recycled Aggregates for the Construction

2016/01/29 · Levy Salomon M. and Helene Paulo, “Durability of Recycled Aggregate Concrete: A Safe Way to Sustainable Development” Cement and Concrete Research, 34. 1975-1980.2004. [] Xiao Jianzhuang, Li Jiabin and Zhang Ch

Use Of Recycled Aggregate In Concrete – IJERT

Brett et al2 (2010) insist that the use of recycled aggregates in concrete is both economically viable & technically feasible. In addition to demolition waste sources, RA can also be composed of excess Concrete materials returned to the plant. Mirza and Saif3 have studied the effect of silica fume on recycled aggregate concrete characteristics.

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Quality Improvement Techniques for Recycled Concrete Aggregate: A review

Quality Improvement Techniques for Recycled Concrete Aggregate: A review Wafaa Mohamed Shaban1, Jian Yang2*, Haolin Su3, Kim Hung Mo4, Lijuan Li5 and Jianhe Xie6 ...

Research Article Green Concrete from Sustainable Recycled

European Aggregate Association Annual Review report [ ], Germany is the greatest producer of recycled aggregate recycled aggregate, with a production of about million tonnes followed by UK, Netherlands, and France with about , , and million tonnes, respectively. Few countries have prepared guidelines and published standards for use of

Evaluation of the Effect of Elevated Temperatures on

utilization in new concrete. An early review of the use of recycled concrete as an aggregate was provided by Nixon [15]. A more comprehensive document encompassing research performed by Civil Eng Res J 5(1): CERJ.MS.ID.555655 (2018) 0035 Abstract Recycled concrete aggregates are produced from demolition of concrete structures.