characteristics of recycled concrete
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characteristics of recycled concrete

Materials Free Full-Text Characteristics of Recycled ...

2020-4-13  High-performance concrete has low tensile strength and brittle failure. In order to improve these properties of unreinforced concrete, the effects of adding

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Characteristics of Recycled Reinforced Concrete at High ...

2020-11-28  This study investigates the behavior of reinforced concrete and recycled fibre reinforced concrete influenced to temperatures of 200 ° C - 500 ° C, on two types of concrete such as recycled concrete, recycled fibre concrete. The experiment was conducted at the Structural Engineering laboratory at Ho Chi Minh City University of Technical Education. The characteristics, those are the failure ...

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PROPERTIES OF RECYCLED AGGREGATE CONCRETE

2015-2-18  application of coarse recycled concrete aggregate, as the component materials in the con-crete mixtures, it is possible to produce structural concrete that can be satisfactory and even with high quality, which primarily depends on the characteristics of crushed demolished concrete.

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Durability And Performance Characteristics Of Recycled ...

2008-11-3  characteristics of fresh and hardened recycled aggregate concrete and natural aggregate concrete is relatively narrower han reported for laboratoryt -crushed recycled aggregate concrete mixes. For concrete without blast furnace slag, having similar volumetric mix proportions and workability,

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Thermal and mechanical characteristics of recycled ...

2021-10-9  Recycled concrete aggregate (RCA) is produced by the demolition of concrete structures and crushing concrete elements. RCA is the predominant stream of CD materials that has superior strength and stiffness properties compared to other CD types, such as crushed brick and waste excavation rock.

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Performance characteristics of recycled concrete

Use of recycled concrete aggregates (RCA) as a pavement material is one of the most sustainable engineering applications for the pavement industry. Investigation on the performance characteristics of RCA, such as elastic and plastic deformations of RCA is therefore, needed to assess RCA's applicatio

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Strength Characteristics of Recycled Concrete after ...

Due to the recycling of construction waste, recycled concrete has gradually become a viable material in the construction industry. To study the strength property of the recycled concrete after freeze-thawing experiments, recycled concrete and ordinary concrete were tested for their post-test strength after freeze-thawing for 0, 50, and 100 times.

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Strength and Deformation Characteristics of Recycled ...

2012-5-7  To investigate the feasibility of the use of recycled concrete aggregate as the backfill material of geotechnical engineering structures, such as embankments, geo-synthetic reinforced soil retaining walls and bridge abutments, a series of drained triaxial compression tests were performed. Both axial and lateral strains were measured locally.

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Characteristics of the carbonation resistance of recycled ...

2013-12-1  2.3. Test methods. All concrete mixtures used for the compressive strength test and accelerated carbonation test were 100 × 100 × 100 mcm cube models.After 26 days of curing in water at 20 ± 2 °C, the samples were dried for 48 h at 60 ± 2 °C to accelerate the carbonation test.All surfaces of the dried samples were sealed by paraffin, except for two opposing side surfaces.

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Durability characteristics of recycled aggregate concrete ...

2013-9-10  Durability characteristics of recycled aggregate concrete were studied with Rapid chloride penetration test (as per ASTMC1202), sorptivity test and acid test to assess resistance against chloride ion penetration, capillary suction and chemical attack respectively.

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Characteristics of Recycled Reinforced Concrete at High ...

2020-11-28  This study investigates the behavior of reinforced concrete and recycled fibre reinforced concrete influenced to temperatures of 200 ° C - 500 ° C, on two types of concrete such as recycled concrete, recycled fibre concrete. The experiment was conducted at the Structural Engineering laboratory at Ho Chi Minh City University of Technical Education. The characteristics, those are the failure ...

More

Performance characteristics of recycled concrete

Use of recycled concrete aggregates (RCA) as a pavement material is one of the most sustainable engineering applications for the pavement industry. Investigation on the performance characteristics of RCA, such as elastic and plastic deformations of RCA is therefore, needed to assess RCA's applicatio

More

Pore characteristics of recycled aggregate concrete and ...

2021-2-22  However, the characteristics of micro pores for concrete, especially for recycled aggregate concrete, under the coupling action of various environmental factors were rarely studied. Concrete is a typical porous material with wide pore size distribution, different pore types and complex structure.

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Strength and Deformation Characteristics of Recycled ...

2012-5-7  To investigate the feasibility of the use of recycled concrete aggregate as the backfill material of geotechnical engineering structures, such as embankments, geo-synthetic reinforced soil retaining walls and bridge abutments, a series of drained triaxial compression tests were performed. Both axial and lateral strains were measured locally.

More

Characterisation and behaviour of recycled concrete and ...

Demolition waste materials mainly consist of concrete and bricks and arise from the demolition of existing structures and buildings. Environmental and economical reasons make their recycling necessary but up to date little research has been undertaken to what is perceived as low level reuse of these materials.This project tries to understand the behavioural characteristics of three types of ...

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Experimental Characterization of Recycled Aggregate

Recycled aggregates concrete is considered a new type of concrete based on the use of aggregates retrieved from the demolished structures instead of natural aggregates. This replacement affects, for sure, the characteristics of the concrete produced specially the mechanical properties. Developed countries have made a great progress in ...

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Durability characteristics of recycled aggregate concrete ...

2013-9-10  Durability characteristics of recycled aggregate concrete were studied with Rapid chloride penetration test (as per ASTMC1202), sorptivity test and acid test to assess resistance against chloride ion penetration, capillary suction and chemical attack respectively.

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Effects of Recycled Aggregate Characteristics ... - Concrete

2000-4-1  Title: Effects of Recycled Aggregate Characteristics on Performance Parameters of Recycled Aggregate Concrete Author(s): S. Nagataki, A. Gokce, and T. Saeki Publication: Symposium Paper Volume: 192 Issue: Appears on pages(s): 53-72 Keywords: compressive strength; mortar; porosity; recycling; water Date: 4/1/2000 Abstract: This study points out the close relationship between several

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Characteristics of Recycled Polypropylene Fibers as an ...

2020-4-13  The obtained effect of an increase in mechanical properties with the addition of recycled fibers compared to unreinforced concrete is unexpected and unparalleled for polypropylene fiber-reinforced concrete (69.7% and 39.4% increase in compressive strength for green polypropylene fiber (PPG) and white polypropylene fiber (PPW) respectively, 276 ...

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Effect of Recycled Sand Content on Characteristics of ...

Subsequently, the effect on the characteristics of recycled concretes made with a water/cement ratio of 0.50, when part of the recycled aggregate was replaced with recycled sand, was studied. The results obtained on mortars indicate that the use of up to 20% recycled sand caused a drop in the compressive and flexural strength.

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Characteristics of Recycled Reinforced Concrete at High ...

2020-11-28  This study investigates the behavior of reinforced concrete and recycled fibre reinforced concrete influenced to temperatures of 200 ° C - 500 ° C, on two types of concrete such as recycled concrete, recycled fibre concrete. The experiment was conducted at the Structural Engineering laboratory at Ho Chi Minh City University of Technical Education. The characteristics, those are the failure ...

More

Strength and Deformation Characteristics of Recycled ...

2012-5-7  To investigate the feasibility of the use of recycled concrete aggregate as the backfill material of geotechnical engineering structures, such as embankments, geo-synthetic reinforced soil retaining walls and bridge abutments, a series of drained triaxial compression tests were performed. Both axial and lateral strains were measured locally.

More

Strength and Deformation Characteristics of Recycled ...

Request PDF Strength and Deformation Characteristics of Recycled Concrete Aggregate in Triaxial Compression To investigate the feasibility of the use of recycled concrete aggregate as the ...

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Characterisation and behaviour of recycled concrete and ...

Demolition waste materials mainly consist of concrete and bricks and arise from the demolition of existing structures and buildings. Environmental and economical reasons make their recycling necessary but up to date little research has been undertaken to what is perceived as low level reuse of these materials.This project tries to understand the behavioural characteristics of three types of ...

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Recycled Aggregates - Portland Cement Association

Recycled Aggregate Characteristics. The crushing characteristics of hardened concrete are similar to those of natural rock and are not significantly affected by the grade or quality of the original concrete. Recycled concrete aggregates produced from all but

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Characteristics of Recycled Polypropylene Fibers as an ...

2020-4-13  The obtained effect of an increase in mechanical properties with the addition of recycled fibers compared to unreinforced concrete is unexpected and unparalleled for polypropylene fiber-reinforced concrete (69.7% and 39.4% increase in compressive strength for green polypropylene fiber (PPG) and white polypropylene fiber (PPW) respectively, 276 ...

More

Effects of Recycled Aggregate Characteristics ... - Concrete

2000-4-1  Title: Effects of Recycled Aggregate Characteristics on Performance Parameters of Recycled Aggregate Concrete Author(s): S. Nagataki, A. Gokce, and T. Saeki Publication: Symposium Paper Volume: 192 Issue: Appears on pages(s): 53-72 Keywords: compressive strength; mortar; porosity; recycling; water Date: 4/1/2000 Abstract: This study points out the close relationship between several

More

Effect of Recycled Sand Content on Characteristics of ...

Subsequently, the effect on the characteristics of recycled concretes made with a water/cement ratio of 0.50, when part of the recycled aggregate was replaced with recycled sand, was studied. The results obtained on mortars indicate that the use of up to 20% recycled sand caused a drop in the compressive and flexural strength.

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A Study on Strength Characteristics of Concrete by ...

2018-6-27  Porous concrete may be an alternative to the conventional concrete because of low density and high porosity. Jitender Sharma et al, (July 2014)[8] "Study of Recycled Concrete Aggregates" This experiment describes the introduction and production of recycled concrete aggregates and its various applications in the construction industry.

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Strengths of recycled aggregate concrete made using field ...

1996-3-1  These factors also influence the effect of water-cement ratio, aggregate top size, and dry mixing on the strength characteristics of recycled aggregate concrete. It is also shown that the conventional relationships between splitting tensile, flexural, and compressive strengths may have to be modified for recycled aggregate concrete.

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