• Recycled Concretes Made with Waste ReadyMix Concrete as Coarse Aggregate

    Jul 09, 2009 · In this paper, some characteristics of recycled coarse aggregates obtained by crushing waste readymix concrete, as well as the mechanical and durability properties of recycled concretes made by using 25, 50, and 75% of these aggregates, are presented.

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  • Experimental Study of Geopolymer Concrete Produced from Waste Concrete .

    Specifically, GPC was produced using waste concrete fines (WCF) and classF fly ash (FA) together with mixed sodium hydroxide (NaOH) and sodium silie (Na2SiO3) solution as the geopolymer binder and waste concrete aggregates (both coarse and fine) as the aggregate.

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  • Prediction of recycled coarse aggregate concrete mechanical

    Oct 20, 2021 · Recycling construction waste is a promising way towards sustainable development in construction. Recycled aggregate (RA) is obtained from demolished concrete structures, laboratory crushed concrete, concrete waste at a ready mix concrete plant and the concrete made from RA is known as RA concrete. The purpose of this study is to apply .

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  • Experimental Study On Using Tiles Waste As Replacement Of Coarse .

    Although 5000psi concrete is more costly, it is commercially accessible as a more experimental study on using tiles waste as replacement of coarse and fine aggregate in concrete 4761 durable alternative. Concrete with a 5000psi strength is often utilised in major civil projects. Concrete

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  • An Experimental Study on Structural Concrete Containing .

    In this work, the effects of three recycled concrete materials with different sizes (recycled coarse aggregate (RCA) with a size of mm, recycled fine aggregate (RFA) of mm, and recycled powder (RP) smaller than mm) produced from concrete waste on the fresh and hardened mechanical properties of concrete were evaluated.

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  • Preparation of Recycled and MultiRecycled Coarse Aggregates Concrete ...

    Sep 02, 2022 · RCA1: recycled coarse aggregates. obtained from normal concrete. After curing in a laboratory for 120 days, the normal concrete specimens were crushed with the help of a jaw crusher, and then went through several cleaning and screening processes to generate the aggregates. RCA2: multirecycled coarse aggregates.

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  • Aggregate Size In Concrete | Coarse Vs Fine Aggregate

    Feb 03, 2022 · Coarse aggregate is any material whose particles are anywhere from 3/8 inches and inches in width. This is the size of aggregate often used in road construction. Fine aggregate: Most fine aggregates consist of crushed stone or natural sand. Most of the present particles must be able to pass through a 3/8inch sieve.

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  • Utilisation of Waste Plastics as a Partial Replacement of Coarse ...

    This paper deals with the reuse of waste plastics as partial replacement of coarse aggregate in M20 concrete. Usually M20 concrete is used for most constructional works. Waste Plastics were incrementally added in 0%, 2%, 4%, 6%, 8% and 10% to replace the same amount of Aggregate. Tests were conducted on coarse aggregates, fine aggregates ...

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  • Recycling of Demolished Masonry Rubble as Coarse Aggregate in Concrete ...

    May 16, 2002 · Recycling of Demolished Masonry Rubble as Coarse Aggregate in Concrete: Review Fouad M. Khalaf and Alan S. DeVenny Abstract The recycling of demolished masonry rubble as coarse aggregate in new concrete represents an interesting possibility at a time when the cost of dumping such material is on the increase.

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  • Use of Waste Glass as Coarse Aggregate in Concrete: A .

    Use of Waste Glass as Coarse Aggregate in Concrete: A Possibility towards Sustainable Building Construction B . In this case, a well renowned television producing industry of MalaysiaJapan provided waste glasses for the study. The provided samples were in three different sizes as following, i. Irregular glass beads of 20 mm size ii. Irregular glass beads of 5 mm 10 mm .

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  • Recycled Aggregate: A Viable Solution for Sustainable Concrete ...

    Jul 30, 2022 · CDW can be used in concrete as coarse/fine aggregate and a finely ground material (, filler). Concerning aggregate, Robalo et al. [ 14] observed that replacing NA with CDW progressively increases the water or superplasticizer admixture to keep the workability of concrete due to the high porosity and water absorption of CDW.

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  • Preparation of Recycled and MultiRecycled Coarse Aggregates Concrete ...

    Sep 02, 2022 · The reuse of construction and demolition waste has become vitally important because of the requirements of environmental protection and sustainable development. The vibration mixing process is a new technology and novel method that improves the performance of concrete by optimizing the mixing process without changing constituents. This study .

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  • CiteSeerX — Waste Polyethylene Terephthalate as an Aggregate in Concrete

    CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): This paper reports the strength behaviour of concrete containing three types of recycled polyethylene terephthalate (PET) aggregate. Results are also analysed to determine the PETaggregate's effect on the relationship between the flexural and splitting tensile strengths and compressive .

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  • Waste Glass as Coarse Aggregate for Concrete

    Sep 01, 1974 · Waste Glass as Coarse Aggregate for Concrete CODEN: JTEVAB Abstract The paper reports on the performance of 34 different concrete mixes containing glass crushed to ¾in. (19mm) maximum size as coarse aggregate and six .

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  • Waste Concrete with Recycled Coarse Aggregate at a Site with ...

    When concrete debris is recycled as aggregate, it is usually transported to a factory, where the recycled aggregate is made. However, when the concrete waste is transported to the plant, it consumes a substantial amount of energy and produces a significant amount of CO2.

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  • Experimental study for the use of ceramic waste as partial replacement ...

    The ceramic waste crushed tiles were partially replaced in place of coarse aggregates by 10%, 20%, 30%, 40%. The mix design for different types of mixes were prepared by replacing the coarse aggregates and fine aggregate at different percentages of crushed tiles. Experimental investigations like workability, Compressive strength test, Split tensile strength test for different .

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  • partial replacement of fine aggregate in recycled concrete

    A concrete plant, also known as a batch plant or batching plant, is a device that combines various ingredients to form concrete. Some of these inputs include sand, water, aggregate (rocks, gravel, etc.), fly ash, potash, and cement. A concrete plant can have a variety of parts and accessories, including but not limited to:

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  • SciHub | Physical and mechanical properties of concrete .

    Maharaj, D., Parris, J., Mwasha, A. (2017). Physical and mechanical properties of concrete manufactured using electric arc furnace slag as coarse aggregates. International Journal of Environment and Waste Management, 20 (1), 21. doi:/ / downloaded on

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