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Durability of recycled aggregate concrete using pozzolanic

Durability of recycled aggregate concrete using pozzolanic

Durability of recycled aggregate concrete using pozzolanic ...

Jan 01, 2008  Durability of recycled aggregate concrete using pozzolanic materials. ... were used to compensate for the loss of strength and durability of concrete containing recycled aggregate. As a result, 30% PFA and 65% GGBS concretes increased the compressive strength to the level of control specimens cast with natural granite gravel, but the tensile ...

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Durability of recycled aggregate concrete using pozzolanic ...

May 01, 2007  Permeability of Concrete with Recycled Concrete Aggregate and Pozzolanic Materials under Stress. Wang H, Sun X, Wang J, Monteiro PJM. Materials (Basel), 9(4), 30 Mar 2016 Cited by: 8 articles PMID: 28773376 PMCID: PMC5502916. Free to read use

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Durability of recycled aggregate concrete using pozzolanic ...

Durability is defined as the capability of concrete to resist deterioration from an external environment [14]. Recycled aggregate is more porous compared to natural aggregate, increased porosity ...

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Enhancing the durability properties of concrete containing ...

Jan 04, 2013  10%  This study concerns properties of concrete containing Recycled Aggregate (RCA). To compensate for a reduction of properties for the RCA concrete, 30% Pulverised Fuel Ash (PFA) and 60% Ground Granulated Blast furnace Slag (GGBS) were used for replacement for Ordinary Portland Cement (OPC). The compressive strength for RCA concretes was measured for 180 days, and simultaneously the durability ...

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Durability of recycled aggregate concrete – A review ...

May 01, 2018  Although the researches on recycled aggregate concrete (RAC) has been going on for nearly 70 years , the use of RA in concrete structures is still limited due to its long-term durability concerns. With the decrease of natural aggregate resources and the increase of waste concrete generation, RAC has become a hot research topic around the world.

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(PDF) High-Durability Concrete Using Eco-Friendly Slag ...

Nov 23, 2020  High-Durability Concrete Using Eco-Friendly Slag-Pozzolanic Cements and Recycled Aggregate. ... Slag-Pozzolanic Cements and Recycled Aggregate. Klaus V oit 1, Oliver Zeman 2, *, ...

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AGGREGATES AND POZZOLANIC MATERIALS OVERVIEW

Apr 10, 2018  Recycled Aggregates. Performance and volumetrics of crushed recycled concrete, recycled glass aggregates, slag aggregates are poorly understood resulting in reduced opportunities for re-use in concrete. Pozzolanic or Matrix Engaged Aggregates. The current system for concrete mix design treats aggregates and cementitious material as mutually

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Evaluation of recycled concrete aggregates for their ...

The suitability of using recycled fine and coarse aggregates with Portland pozzolanic cement to make a sustainable and environmental friendly concrete mix design was also analyzed. No significant difference was observed in the compressive strength of various concrete mixes prepared by natural and recycled aggregates. However, only the tensile ...

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Enhancing the Durability of Self-Compacted Concrete Cast ...

As the increase in using recycled aggregates with different concrete types due to the environmental and economic considerations, information on the quality of recycled aggregate concrete is still scarce. This study attempts to examine the ability of improving the durability of recycled aggregate SCC against sulfates and chlorides.

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Strength and Durability Evaluation of Recycled Aggregate ...

May 14, 2015  Influence of recycled concrete aggregate on concrete durability. Paper presented at the National Laboratory of Civil Engineering, Portugal. Gupta, Y. P. (2009). Use of recycled aggregate in concrete construction: A need for sustainable environment. Paper presented at the our world in concrete and structures, Singapore. Hansen, T. C. (1986).

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Study of strength and durability parameters of concrete ...

Durability of recycled aggregate concrete - A review (Guo, et al., 2018) Explain the effects of use of RA on durability of concrete. The durability of RAC is usually weaker than NAC due to the adhered mortar on the RA. For this reason, the performance of RAC can be improved by enhancing the properties of RA or adding mineral admixtures.

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EFFECT OF RECYCLED COARSE AGGREGATES ON STRENGTH

improvements in the durability of concrete and the beter use of recycled materials. The depletion in the supply of the use of recycled aggregates in concrete will be advantageous economically and in the long run, prove to be sustainable. In general, aggregate occupy 55 – 80% of concrete volume.

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Improvement of Bond Strength and Durability of Recycled ...

This paper aims to experimentally investigate the effects of high volume cement replacement of blast furnace slag (BFS) on the bond, strength and durability of recycled aggregate concrete (RAC). Concrete mixtures were prepared containing 0%, 15%, 30%, 45%, 60% and 75% BFS with each of recycled aggregate and natural aggregate. Measurements of the compressive and bond strength,

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Utilization of Recycled Aggregate Concrete for Marine Site ...

Jul 28, 2021  This research aimed to create value of construction and demolition waste to be able used as a recycled coarse aggregate (RCA) in durable concrete, based on 7-year field investigation in marine site. Fly ash was used to substitute Portland cement type I in RCA concrete varied from 0 to 50% by weight of binder with three W/B ratios and comparing to natural aggregate (NA) concrete.

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Recycled Concrete Aggregate Research Papers - Academia

The main objective of this paper is to evaluate the durability of RAC's made of recycled concrete coarse aggregate (RCCA) containing silica-fume (SF) and natural zeolite (NZ). Four series of mixtures were made using four levels of RCCA as 0%, 25%, 50%, and 100% with natural coarse aggregates

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Improving performance of recycled aggregate concrete with ...

Dec 19, 2013  SAMI W, AKMAL S. Influence of recycled concrete aggregates on strength properties of concrete [J]. Construction and Building Materials, 2009, 23(2): 1163–1167. Article Google Scholar [12] SAGOE-CRENTSIL K K, BROWN T, TAYLOR A H. Performance of concrete made with commercially produced coarse recycled concrete aggregate [J].

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Title No. 114-M19 Durability of Lightweight Concrete with ...

offers interesting opportunities of recycling waste materials that may improve its sustainability. Together with different other indus-trial residues that are normally recycled in concrete, expanded glass can be used as a lightweight aggregate. However, the use of glass in concrete raises concerns about durability because of its

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Permeability of Concrete with Recycled Concrete Aggregate ...

The research reported herein studied the permeability of concrete containing recycled-concrete aggregate (RA), superfine phosphorous slag (PHS), and ground granulated blast-furnace slag (GGBS) with and without stress. Test results showed that the chloride diffusion coefficient of RA concrete (RAC) without external loads decreased with time, and the permeability of RAC is much lower than that ...

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Use of recycled concrete aggregate in high strength concrete

The effect of using recycled aggregate on concrete compressive strength has been experimentally investigate SF admixture also is used to improve recycled concrete aggregate compressive strength. The main parameters in this study are recycled aggregate and SF admixture. The percent of recycled aggregate ranged from 0 to 100 %.

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Permeability of Concrete with Recycled Concrete Aggregate ...

Recycling discarded concrete as new concrete aggregate has been proven to be a commercial and effective way for the sustainable development. However, the recycled-concrete aggregate (RA) is composed of adhered mortar and original aggregate, meaning the internal defects and the adhesive mortar on the surface of RA cause the physical and mechanical properties of recycled aggregate concrete

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Durability of recycled aggregate concrete using pozzolanic ...

title = "Durability of recycled aggregate concrete using pozzolanic materials", abstract = "In this study, pulverized fuel ash (PFA) and ground granulated blast furnace slag (GGBS) were used to compensate for the loss of strength and durability of concrete containing recycled aggregate.

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Durability Aspects of Recycled Aggregate Concrete: An ...

Enhancing the Durability Properties of Concrete Containing Recycled Aggregate by the Use of Pozzolanic Materials, KSCE Journal of Civil Engineering, Vol. 17(1), 155-163. [15] Tam, Vivian W. Y., Tam, C. M. (2007).

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Evaluation of recycled concrete aggregates for their ...

The suitability of using recycled fine and coarse aggregates with Portland pozzolanic cement to make a sustainable and environmental friendly concrete mix design was also analyzed. No significant difference was observed in the compressive strength of various concrete mixes prepared by natural and recycled aggregates. However, only the tensile ...

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Influence of Pozzolan, Slag and Recycled Aggregates on the ...

Optimizing concrete’s eco-efficiency should not harm its mechanical and durability properties. Previous studies prove that it is possible to produce concrete with low cement content and good mechanical performance [5,6].Concrete’s durability can be enhanced by optimizing the packing density, which is highly influenced by the distribution and the size of the particles, reducing the space ...

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The use of recycled concrete aggregate for concrete ...

Concrete is the most widely used construction material thereby required a lot of raw resources to keep up with its demand. This leads to depletion of raw resources as well as a continuous build-up of demolished concrete wastes (DCW). In most developing nations like Nigeria, the usual way of disposing these DCW is landfilling. However, recycling has become a viable options for conserving the ...

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Enhancing the Durability of Self-Compacted Concrete Cast ...

As the increase in using recycled aggregates with different concrete types due to the environmental and economic considerations, information on the quality of recycled aggregate concrete is still scarce. This study attempts to examine the ability of improving the durability of recycled aggregate SCC against sulfates and chlorides.

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(PDF) Influence of coating recycled aggregate surface with ...

Influence of coating recycled aggregate surface with pozzolanic powder on properties of recycled aggregate concrete. Construction and Building Materials, 2009. Jiusu Li. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 32 Full PDFs related to this paper.

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Strength and Durability Evaluation of Recycled Aggregate ...

May 14, 2015  Influence of recycled concrete aggregate on concrete durability. Paper presented at the National Laboratory of Civil Engineering, Portugal. Gupta, Y. P. (2009). Use of recycled aggregate in concrete construction: A need for sustainable environment. Paper presented at the our world in concrete and structures, Singapore. Hansen, T. C. (1986).

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Use of recycled concrete aggregate in high strength concrete

The effect of using recycled aggregate on concrete compressive strength has been experimentally investigate SF admixture also is used to improve recycled concrete aggregate compressive strength. The main parameters in this study are recycled aggregate and SF admixture. The percent of recycled aggregate ranged from 0 to 100 %.

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Feasibility of Using Nanoparticles of SiO2 to Improve the ...

May 24, 2018  The aim of this paper was to examine the feasibility of using nanoparticles of SiO 2 (nanosilica) to improve the performance of recycled aggregate concrete (RAC) containing recycled aggregate (RA) derived from processing construction and demolition waste of concrete buildings. The examined properties include compressive strength, splitting tensile strength, and water absorption.

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Recycled Aggregates for Concrete: Problems and Possible ...

Reducing the use of natural resources and replacing it with waste material to avoid problematic landfills has been the principal focus of an emerging and important recycling market in most developed countries. Crushed concrete and masonry waste can be suitable for replacing coarse aggregate in concrete. When crushed masonry is used, compressive strength is lower and the material’s high ...

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Enhancement Treatment of Recycled Concrete Aggregate

Jul 22, 2021  Nevertheless, the application of natural aggregate (NA) is restricted due to the finite resources and regeneration difficulty. Recycled concrete aggregate (RCA), as common CD waste, has received widespread attention for its usage to replace NA. The RCA has an enormous market potential because of its low recycling cost and universal availability.

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Reuse of Clay Brick Waste in Mortar and Concrete

The application of recycled clay brick can not only solve the disposal problem of demolished solid waste but also reduce ecological environment damage caused by the excessive development of resources. Clay brick powder (CBP) exhibits pozzolanic activity and can be used as cement replacement. Recycled clay brick aggregate (RBA) can be used to substitute natural coarse aggregate.

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Self-Compacting Concrete Properties of Recycled Coarse ...

Hardened concrete from concrete building demolition can be used to partially replace natural coarse aggregate in self-compacting concrete. The current study compares the properties of self-compacting concrete with 0 percent, 25%, 50%, 75%, and 100% substitution of recycled coarse aggregate in the fresh and hardened states.

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