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Mechanical Properties of Recycled Aggregate Concretes ...

In this study, the impact of steel fibres and Silica Fume (SF) on the mechanical properties of recycled aggregate concretes made of two different types of Recycled Coarse Aggregates (RCA) sourced from both low- and high-strength concretes were evaluated through conducting 60 compressive strength tests. The RCAs were used as replacement levels of 50% and 100% of Natural Coarse Aggregates (NCA).

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Mechanical properties of recycled aggregate concrete ...

2020-4-30  This paper investigated the mechanical properties of recycled aggregate concrete (RAC; with recycled clay brick aggregates (RCBA) as the coarse aggregates) modified by nano-particles, i.e. nano-SiO2 (NS), nano-CaCO 3 (NC) and multi-wall carbon nanotubes (MWCNTs). Two experimental phases were carried out.

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Mechanical properties of recycled aggregate concrete

2021-2-15  The effect of quality and replacement ratio of RCA on mechanical properties of concrete have been investigated by Tam and Butler , they found a relationship between properties of recycled aggregate and strength of RAC. RAC application in structures needs a fully study in the mechanical properties of materials, specimens and components.

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Mechanical Properties of Concrete with Recycled

2018-8-10  Title: Mechanical Properties of Concrete with Recycled Aggregate at Early Ages Author(s): Zeger Sierens and Jiabin Li Publication: Symposium Paper Volume: 326 Issue: Appears on pages(s): 39.1-39.10 Keywords: recycled concrete aggregates (RCAs), precast concrete, pre-stressed concrete, strength, modulus of elasticity, early ages Date: 8/10/2018 Abstract: ...

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(PDF) “Mechanical Properties of Concrete with Recycled ...

2021-9-22  Abstract. This paper reports the results of an experimental study on some of the mechanical properties of recycled aggregate concrete (RAC) as compared to

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PROPERTIES OF RECYCLED AGGREGATE CONCRETE

2015-2-18  density of recycled aggregate was on the average by 10% lower compared to the bulk density of natural aggregates [6,9,10]. 2.5. Crushing and abrasion resistance Mechanical properties of recycled aggregate are primarily dependent on the quality of the original cement mortar present in the aggregate, and also, as

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Mechanical and transport properties of recycled aggregate ...

2020-9-15  Mechanical and durability properties of sustainable self-compacting concrete with recycled concrete aggregate and fly ash, slag and silica fume Construct Build Mater , 231 ( 2020 ) , p. 117115

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Mechanical properties of concrete with recycled coarse ...

2007-1-1  This paper reports the results of an experimental study on some of the mechanical properties of recycled aggregate concrete (RAC) as compared to those of the conventional normal aggregate concrete (NAC). Ten mixes of concrete with target compressive cube strength ranging from 20 to 50 MPa were cast using normal or recycled coarse aggregates.

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Mechanical Properties of Concrete with Recycled Concrete ...

Recycled concrete aggregate (RCA) collected from the demolition of old reinforced concrete structures can be reused to prepare structural and non-structural concrete, thereby protecting the environment by preserving natural resources. This study explores RCA’s use, collected from the crushed concrete of different building projects in Riyadh, to manufacture fresh self-compacting concrete (SCC ...

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Mechanical Properties of Recycled Aggregate Concrete at ...

This paper presents an experimental research on mechanical properties of recycled aggregate concrete (RAC) at low and high water/binder (W/B) ratios. Concrete at two W/B ratios (0.255 and 0.586) was broken into recycled concrete aggregates (RCA). A type

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Mechanical Properties of Recycled Aggregate Concretes ...

In this study, the impact of steel fibres and Silica Fume (SF) on the mechanical properties of recycled aggregate concretes made of two different types of Recycled Coarse Aggregates (RCA) sourced from both low- and high-strength concretes were evaluated through conducting 60 compressive strength tests. The RCAs were used as replacement levels of 50% and 100% of Natural Coarse Aggregates (NCA).

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(PDF) Mechanical Properties of Recycled Aggregate

This paper presents an experimental research on mechanical properties of recycled aggregate concrete (RAC) at low and high water/binder (W/B) ratios.

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(PDF) “Mechanical Properties of Concrete with Recycled ...

2021-9-22  Abstract. This paper reports the results of an experimental study on some of the mechanical properties of recycled aggregate concrete (RAC) as compared to those of the conventional normal ...

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Mechanical properties of concrete with recycled aggregate ...

The mechanical properties of recycled aggregate concrete (RAC) incorporating carbonated recycled concrete aggregates (RCAs) have previously been reported. However, the durability of RAC prepared ...

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The Mechanical Properties of Recycled Coarse Aggregate ...

Using recycled coarse aggregate (RCA) to replace natural pebbles and using lithium slag (LS) from industrial waste to replace cement in order to improve the mechanical properties of concrete and solve environmental problems. In this study, the effects of

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Mechanical properties of concrete containing recycled ...

This paper presents the effect of recycled coarse aggregate (RCA) of 50% and 100% by wt. on compressive strength and elastic modulus of concrete at elevated temperatures of 600 and 800 °C. The residual compressive strengths of above recycled aggregate concretes after exposure to elevated temperatures are also evaluated and compared to those ...

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Mechanical Properties and Durability of Recycled

Download Citation Mechanical Properties and Durability of Recycled Aggregate Permeable Concrete The recycled aggregate permeable concrete made of reused construction wastes is very important ...

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Experimental research on mechanical properties of

Download Citation Experimental research on mechanical properties of recycled aggregate concrete Through a series of experiments, used construction rubbish as recycled aggregate, the ...

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Recent studies on mechanical properties of recycled ...

2012-3-20  Numerous experimental and theoretical studies on recycled aggregate concrete have been carried out in China in the past 10 years. This paper provides a comprehensive review of the related findings of research on the mechanical properties of RAC in China. The influences of the RCA on the strength and deformation characteristics of concrete, the statistical characteristics for the strength of ...

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Mechanical Properties of Recycled Aggregate Concretes ...

In this study, the impact of steel fibres and Silica Fume (SF) on the mechanical properties of recycled aggregate concretes made of two different types of Recycled Coarse Aggregates (RCA) sourced from both low- and high-strength concretes were evaluated through conducting 60 compressive strength tests. The RCAs were used as replacement levels of 50% and 100% of Natural Coarse Aggregates (NCA).

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Mechanical properties of recycled aggregate concrete at ...

2014-1-1  (2) For recycled aggregate concrete at a low water/binder ratio of 0.255 prepared in this research, flaws in gravel are the main factor responsible for the decrease in mechanical properties, while flaws in attached mortar are the main factor responsible for the decrease in mechanical properties of recycled aggregate concrete at a high water ...

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Mechanical Properties Of Recycled Aggregates Concrete ...

The application of recycled aggregate to use in construction activities have been practice by developed European countries and also of some Asian countries. This paper reports the results of an experimental study on the mechanical properties of recycled

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The Mechanical Properties of Recycled Coarse Aggregate ...

Using recycled coarse aggregate (RCA) to replace natural pebbles and using lithium slag (LS) from industrial waste to replace cement in order to improve the mechanical properties of concrete and solve environmental problems. In this study, the effects of

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Mechanical properties of concrete containing recycled ...

This paper presents the effect of recycled coarse aggregate (RCA) of 50% and 100% by wt. on compressive strength and elastic modulus of concrete at elevated temperatures of 600 and 800 °C. The residual compressive strengths of above recycled aggregate concretes after exposure to elevated temperatures are also evaluated and compared to those ...

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Recent studies on mechanical properties of recycled ...

2012-3-20  Numerous experimental and theoretical studies on recycled aggregate concrete have been carried out in China in the past 10 years. This paper provides a comprehensive review of the related findings of research on the mechanical properties of RAC in China. The influences of the RCA on the strength and deformation characteristics of concrete, the statistical characteristics for the strength of ...

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Mechanical and Durability Properties of Concrete

2018-3-28  study mechanical and durability properties of concrete. In this method, recycled aggregate was heated to a temperature of 250°C (482°F) and then the aggregates were dry-mixed in a pan mixture to remove the attached mortar. This method removed 70 to 80% of attached mortar of the RCA. Concrete mixtures were prepared by using 50% and 100% RCA and

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Mechanical Properties of Basalt-Based Recycled Aggregate ...

2021-9-19  Recycled aggregate is essential to protect Jeju Island’s natural environment, but waste concrete, including porous basalt, is a factor that lowers the quality of recycled aggregate. Therefore, an experiment was conducted to analyze the properties of concrete application of basalt-based recycled aggregate (B-RA) through quality improvement.

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Mechanical Performance of Concrete Made with Recycled ...

2020-9-15  This research aims at analysing the mechanical performance of concrete with recycled aggregates from concrete pavements. First, the characteristics of various natural and recycled aggregates used in the concrete were thoroughly analysed. The

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Mechanical Properties and ITZ Microstructure of Recycled ...

2018-6-18  The effect of carbonation treatment and mixing method on the mechanical properties and interfacial transition zone (ITZ) properties of recycled aggregate concrete (RAC) was investigated. Properties of recycled concrete aggregate (RCA) were tested firstly. Then, five types of concretes were made and slump of fresh concrete was measured immediately after mixing. Compressive strength and ...

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