durability of recycled aggregate concrete using pozzolanic

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durability of recycled aggregate concrete using pozzolanic

Durability of recycled aggregate concrete using pozzolanic ...

2008-1-1 Hence, a number of studies have been performed by using recycled aggregate in concrete, but they always resulted in a lower level of concrete strengths. This was due to the residual impurities on the surface of the recycled aggregates, which blocked the strong bond between cement past and aggregate ( Poon et al., 2004 , Sani et al., 2005 , de ...

Durability of recycled aggregate concrete using pozzolanic ...

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 ...

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

Durability of recycled aggregate concrete using pozzolanic ...

2007-5-1 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. 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 ...

Durability of recycled aggregate concrete using pozzolanic ...

Durability of recycled aggregate concrete using pozzolanic materials . By ... 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 ...

Durability of recycled aggregate concrete – A review ...

In comparison, the negative effect of recycled fine aggregate is more obvious than that of recycled coarse aggregate. The use of pozzolanic materials either for surface coating of RA or intermixed within the concrete are effective and feasible to improve the overall durability of concrete. Recent researches on CO 2 treatment indicate that it ...

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

2020-11-23 By replacing energy- and CO2-intensive cement types by slag-pozzolanic cement (CEM V) and using recycled aggregate, a significant contribution to environmental sustainability can be provided while ...

Durability of recycled aggregate concrete – A review ...

2018-5-1 1. Introduction. Recycled aggregate (RA) derived from construction and demolition waste is suitable for partial or entire replacement for virgin aggregate when making new concrete. Using waste concrete as RA could save about 60% of limestone resources and reduce CO 2 emissions by about 15%–20% [ 1 ].

AGGREGATES AND POZZOLANIC MATERIALS OVERVIEW

2018-4-10 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

Strength and Durability Evaluation of Recycled Aggregate ...

2015-5-14 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.

Durability of recycled aggregate concrete using pozzolanic ...

2007-5-1 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. 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 ...

Durability of recycled aggregate concrete using pozzolanic ...

Durability of recycled aggregate concrete using pozzolanic materials . By ... 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 ...

Enhancing the Durability Properties of Concrete

Enhancing the Durability Properties of Concrete Containing Recycled Aggregate by the Use of Pozzolanic Materials Vol. 17, No. 1 / January 2013 −157 −

Performance and Durability of Self Compacting Concrete ...

The results indicate that the concrete using the ARCO type aggregate, produced with 100% crushed concrete, presented characteristics like the

AGGREGATES AND POZZOLANIC MATERIALS OVERVIEW

2018-4-10 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

Durability of Recycled Aggregate Concrete: A Review

2017-3-1 Generally, a coarse aggregate replacement ratio of 20% to 50% did not negatively affect the performance of recycled aggregate concrete in many cases. The literature overview showed that recycled aggregate concrete performs satisfactorily under various conditions and has a comparable durability to natural aggregate concrete if designed properly.

Durability Studies on the Recycled Aggregate Concrete in ...

2019-7-28 Since China hosted the Olympic Games in 2008, a mass of construction and demolition (CD) wastes were produced with the rapid urbanization construction. Recycling the CD waste into recycled aggregates (RA) is an effective method for reducing the amount of CD wastes. Many studies on the properties of RA and the durability of recycled aggregate

Enhancing the Performance of Recycled Aggregate

2015-5-12 J. Li, H. Xiao, Y. Zhou, Influence of coating recycled aggregate surface with pozzolanic powder on properties of recycled aggregate concrete. Constr. Build. Mater. 23(3), 1287–1291 (2009) CrossRef Google Scholar

Strength and durability of recycled aggregate concrete ...

摘要： Milled waste glass was used as secondary cementitious material towards production of recycled aggregate concrete with improved strength and durability attributes. Experimental investigation of the novel concept of using milled waste glass, as partial ...

Enhancing the durability properties of concrete containing ...

2013-1-4 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

Durability of recycled aggregate concrete using pozzolanic ...

Durability of recycled aggregate concrete using pozzolanic materials . By ... 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 ...

Performance and Durability of Self Compacting Concrete ...

The results indicate that the concrete using the ARCO type aggregate, produced with 100% crushed concrete, presented characteristics like the

Strength and durability of recycled aggregate concrete ...

2012-2-2 cement paste and the interfacial transition zones in recycled aggregate concrete. Use of milled waste glass, as partial replacement of cement, is estimated to produce signiﬁcant gains in strength and durability of recycled aggregate concrete. Milled waste glass was also found to suppress alkali-silica reactions.

Durability of Recycled Aggregate Concrete: A Review

2017-3-1 Generally, a coarse aggregate replacement ratio of 20% to 50% did not negatively affect the performance of recycled aggregate concrete in many cases. The literature overview showed that recycled aggregate concrete performs satisfactorily under various conditions and has a comparable durability to natural aggregate concrete if designed properly.

Evaluating the durability of recycled concrete made of ...

2021-2-16 agreed upon by researchers. 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 (NCA’s).

Strength and durability of recycled aggregate concrete ...

摘要： Milled waste glass was used as secondary cementitious material towards production of recycled aggregate concrete with improved strength and durability attributes. Experimental investigation of the novel concept of using milled waste glass, as partial ...

Durability Studies on the Recycled Aggregate Concrete in ...

2019-7-28 Since China hosted the Olympic Games in 2008, a mass of construction and demolition (CD) wastes were produced with the rapid urbanization construction. Recycling the CD waste into recycled aggregates (RA) is an effective method for reducing the amount of CD wastes. Many studies on the properties of RA and the durability of recycled aggregate

Durability Aspects of Recycled Aggregate Concrete: An ...

Durability Aspects of Recycled Aggregate Concrete: An Experimental Study. Aggregate compositions in the construction and demolition (CD) waste have potential to replace normal aggregates. However, to re-utilise these aggregates, the concrete produced with these recycled aggregates needs to provide the desired compressive strength and durability.

Study on Strength and Durability of Recycled Aggregate ...

concrete with improved strength and durability attributes. Experimental investigation of the novel concept of using waste glass powder, as partial replacement for cement, to overcome the drawbacks of recycled aggregate and the resulting concrete showed

(PDF) Water Permeability of Recycled Aggregate Concrete

Durability is one of indicator to produce a good concrete. Meanwhile, water permeability is in durability aspect. This paper presented the study on water permeability of Recycled Aggregate Concrete.