2020-10-30 · This paper demonstrates that RSM can be used to design the mix proportion of recycled aggregate pervious concrete. From the perspective of the internal structure of recycled permeable concrete, the factors affecting its strength and porosity are the paste properties, the coating thickness of paste on the surface of aggregate and the void content of aggregate.
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International Journal of Concrete Structures and Materials Vol.6, No.4, pp.239–246, December 2012 DOI 10.1007/s40069-012-0024-x ISSN 1976-0485 / eISSN 2234-1315 Mix Design for Pervious Recycled Aggregate Concrete Rasiah Sriravindrarajah1),*, Neo Derek Huai Wang2), and Lai Jian Wen Ervin2) (Received August 29, 2012, Accepted November 6, 2012, Published
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2016-9-30 · Abstract. This paper proposes a conceptual formulation for predicting and controlling the compressive strength of Recycled Aggregate Concrete (RAC) mixtures, by explicitly taking into account the specific features of Recycled Concrete Aggregates (RCAs). In fact, since RCAs are significantly more porous than Natural Aggregates (NAs), the mix ...
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2014-8-26 · This work is devoted to the study of fresh and hardened properties of concrete containing recycled gravel. Four formulations were studied, the concrete of reference and three concretes containing recycled gravel with 30, 65 and 100 % replacement ratios. All materials were formulated on the basis of S4 class of flowability and a target C35 class of compressive
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2021-11-30 · This paper is devoted to the studies of material and mechanical properties of recycled aggregate concrete using packing density method. This paper considers mix of two different aggregate sizes of ...
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2020-8-11 · The undesirable properties of conventional recycled fine aggregate (RFA) often limit its application in the construction industry. To overcome this challenge, a method for preparing completely recycled fine aggregate (CRFA), which crushes all concrete waste only into fine aggregate, was proposed. The obtained CRFA had high apparent density, and its water
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2021-4-26 · This paper puts forward a strength-based mix design method for recycled aggregate concrete using a modified empirical formula. A total of 30 mixes, the amount of cement varies from 300 kg/m 3 to 500 kg/m 3 and the proportion of recycled coarse aggregate ranges from 0% to 100%, were prepared for the regression analysis of relationships between multiple parameters.
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This paper presented an experimental work have been done to determine the effects of recycled concrete aggregate (RCA) under the curing conditions of 2.1
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The undesirable properties of conventional recycled fine aggregate (RFA) often limit its application in the construction industry. To overcome this challenge, a method for preparing completely recycled fine aggregate (CRFA), which crushes all concrete waste only into fine aggregate, was proposed. Th
Chat Online2020-8-11 · The undesirable properties of conventional recycled fine aggregate (RFA) often limit its application in the construction industry. To overcome this challenge, a method for preparing completely recycled fine aggregate (CRFA), which crushes all concrete waste only into fine aggregate, was proposed. The obtained CRFA had high apparent density, and its water
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2012-11-27 · Pervious concrete is a tailored-property concrete with high water permeability which allow the passage of water to flow through easily through the existing interconnected large pore structure. This paper reports the results of an experimental investigation into the development of pervious concrete with reduced cement content and recycled concrete aggregate for
Chat OnlineThe undesirable properties of conventional recycled fine aggregate (RFA) often limit its application in the construction industry. To overcome this challenge, a method for preparing completely recycled fine aggregate (CRFA), which crushes all concrete waste only into fine aggregate, was proposed. Th
Chat Online2021-11-30 · This paper is devoted to the studies of material and mechanical properties of recycled aggregate concrete using packing density method. This paper considers mix of two different aggregate sizes of ...
Chat Online2020-8-11 · The undesirable properties of conventional recycled fine aggregate (RFA) often limit its application in the construction industry. To overcome this challenge, a method for preparing completely recycled fine aggregate (CRFA), which crushes all concrete waste only into fine aggregate, was proposed. The obtained CRFA had high apparent density, and its water
Chat OnlineHighlights•Application of response surface methodology for mix design of recycled aggregate pervious concrete.•Explanation of Ideal paste thickness (IPT), actual coating thickness (ACT) and the void content (TVC).•Establishment of IPT and ACT response models ...
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mix design procedure for recycled aggregate concrete Conservation of natural resources and preservation of environment is the essence of any development. Use of recycled aggregate concrete (RAC) is one such attempt and is an answer to
Chat Online2020-8-11 · The undesirable properties of conventional recycled fine aggregate (RFA) often limit its application in the construction industry. To overcome this challenge, a method for preparing completely recycled fine aggregate (CRFA), which crushes all concrete waste only into fine aggregate, was proposed. The obtained CRFA had high apparent density, and its water
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2022-1-5 · Mix Design and Properties of Recycled Aggregate Concretes: Applicability of Eurocode 2. George Wardeh*, Elhem Ghorbel, and Hector Gomart. (Received May 23, 2014, Accepted July 24, 2014) Abstract ...
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2015-5-25 · The effects of the UFS and NS mineral admixtures produced greater performance improvements in the concrete than the recycled coarse aggregate. Finally, the optimal mix proportion was determined. For this mix, the thermal conductivity coefficient and compressive strength of the concrete were 0·305 W/(m.K) and 46·7 MPa respectively.
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2020-5-2 · Abstract This study proposes a new mix design method for C30 recycled concrete using recycled aggregate crushed from different strength source concrete (SC). The dosages of cement, water, sand, and coarse recycled concrete aggregate (CRCA) are the same as the corresponding components in natural concrete, but the CRCA should be pre-wetted before
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2017-11-16 · density mix design method, recycled aggregated concrete strengths fluctuation can be resolved, and the concretes can have similar strengths consistency, regardless the recycled concrete aggregate replacement ratios. This method minimise the influence of recycled concrete aggregates obtain from various sources with variable quality.
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2020-6-18 · This paper demonstrates that RSM can be used to design the mix proportion of recycled aggregate pervious concrete. From the perspective of the internal structure of recycled permeable concrete, the factors affecting its strength and porosity are the ...
Chat Online2020-5-2 · Abstract This study proposes a new mix design method for C30 recycled concrete using recycled aggregate crushed from different strength source concrete (SC). The dosages of cement, water, sand, and coarse recycled concrete aggregate (CRCA) are the same as the corresponding components in natural concrete, but the CRCA should be pre-wetted before
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This article is on the development of a mix design method for self-compacting recycled aggregate concrete (SCRAC) by considering the adhered mortar content (AMC) on the surface of the aggregate. In this method of mix design, the acceptable percentage of recycled concrete aggregate (RCA) depends on the AMC value.
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2021-7-13 · mix design procedure for recycled aggregate concrete. Use ofrecycledaggregateconcrete(RAC) is one such attempt and is an answer to some of the problems in constructional engineering. The concept of using RAC is now gaining popularity and research in this direction has gained momentum.
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2020-3-7 · Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/107392
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DOI: 10.3390/MA13163535 Corpus ID: 225430317. Concrete Mix Design for Completely Recycled Fine Aggregate by Modified Packing Density Method. @article{Yibo2020ConcreteMD, title={Concrete Mix Design for Completely Recycled Fine Aggregate by Modified Packing Density Method.}, author={Yang Yibo and Chen Baixi and Su Yan and Chen Qianpu and Liu Zhiji and
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2012-1-1 · The compressive strength of pervious concrete increased with a reduction in the maximum aggregate size from 20 to 13 mm. The relationship between 28-day compressive strength and porosity for pervious concrete was adversely affected by the use of recycled concrete aggregate instead of natural aggregate.
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The major difficulty is due to the variability of the aggregate properties, and the lack of a robust methodology able to accurately evaluate the mechanical performance of the recycled concrete. This work aims to develop a new mix design method using an approach based on the combination of experimental techniques and numerical simulation as ...
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2021-6-22 · Properties and mix design of fresh recycled aggregate concrete . DOI link for Properties and mix design of fresh recycled aggregate concrete. Properties and mix design of fresh recycled aggregate concrete book
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