Mechanical Properties of Recycled Aggregate Concrete at

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Research Article Mechanical Properties of Recycled ...

2019-7-31  Mechanical Properties of Recycled Aggregate Concrete at Low and High Water/Binder Ratios Gai-FeiPeng, 1 Yan-ZhuHuang, 2 Hai-ShengWang, 3 Jiu-FengZhang, 1 andQi-BingLiu 1 Faculty of Civil Engineering, Beijing JiaoTong University, Beijing , China BBMG Cement Energy Saving Technology Co., Ltd, Beijing, China

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Mechanical properties of recycled aggregate concrete ...

2020-4-30  5. Conclusions. 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-SiO 2 (NS), nano-CaCO 3 (NC) and multi-wall carbon nanotubes (MWCNTs). Two experimental phases were carried out.

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(PDF) Mechanical properties of recycled aggregate concrete

Their influence on concrete mechanical properties is investigated. As a result, it has been obtained that using recycled aggregate to replace part of the normal coarse aggregate effects the elastic...

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Mechanical Properties of Concrete with Recycled Aggregate ...

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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Mechanical properties of concrete containing recycled ...

Mechanical properties of concrete containing recycled coarse aggregate at and after exposure to elevated temperatures. Faiz Uddin Ahmed Shaikh, ... Results show that the loss of compressive strength of recycled aggregate concretes at 600 and 800 °C is slightly higher (about 10%) than its counterpart control concrete containing natural coarse ...

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Mechanical Properties and Permeability of Recycled ...

This paper presents an experimental research on mechanical properties and permeability of recycled aggregate concrete (RAC). Concretes at a water/binder ratio of 0.255 were broken into recycled aggregates (RA). A type of thermal treatment was employed to remove mortar in RA. Tests were conducted on aggregate to measure water absorption and crushed values, and on RAC and natural aggregate ...

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Mechanical properties of confined recycled aggregate ...

2012-1-1  Recycled aggregate concrete (RAC) can partly or totally substitute natural aggregates with recycled aggregates. It is an important kind of green materials. Since the old mortar is attached to the recycled aggregate, the mechanical properties of recycled concrete are complicated.

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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 recycled concrete with demolished ...

2018-6-1  It has been suggested that, although the mechanical properties of recycled aggregate concrete are generally inferior to those of conventional concrete, there is a great potential to incorporate RCA and/or RBA in structural concrete applications,,,.

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Mechanical Properties of Recycled Aggregate Concrete at ...

Mechanical Properties of Recycled Aggregate Concrete at Low and High Water/Binder Ratios Gai-FeiPeng, 1 Yan-ZhuHuang, 2 Hai-ShengWang, 3 Jiu-FengZhang, 1 andQi-BingLiu 1

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Research Article Mechanical Properties of Recycled ...

2019-7-31  Mechanical Properties of Recycled Aggregate Concrete at Low and High Water/Binder Ratios Gai-FeiPeng, 1 Yan-ZhuHuang, 2 Hai-ShengWang, 3 Jiu-FengZhang, 1 andQi-BingLiu 1 Faculty of Civil Engineering, Beijing JiaoTong University, Beijing , China BBMG Cement Energy Saving Technology Co., Ltd, Beijing, China

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(PDF) MECHANICAL PROPERTIES OF RECYCLED AGGREGATE CONCRETE ...

While studies on the mechanical and engineering While the economical and environmental advantages of properties of concrete made with laboratory crushed old using recycled aggregates are obvious, some problems concrete aggregate are limited [5, 6], only few data are related to durability aspects resulted in recycled aggregates available on ...

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Mechanical Properties and Durability of Recycled Aggregate ...

2021-6-30  The recycled aggregate permeable concrete made of reused construction wastes is very important for realizing the sustainable development of the construction industry, it can alleviate the adverse impact of surface runoff during storm and the urban heat island effect. ... Ghorbel et al. [18] tested the mechanical properties of recycled concrete ...

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Mechanical Properties and Permeability of Recycled ...

This paper presents an experimental research on mechanical properties and permeability of recycled aggregate concrete (RAC). Concretes at a water/binder ratio of 0.255 were broken into recycled aggregates (RA). A type of thermal treatment was employed to remove mortar in RA. Tests were conducted on aggregate to measure water absorption and crushed values, and on RAC and natural aggregate ...

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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 different substitution rates of RCA (0, 30%, 50%, and 70%) and different LS contents (0, 10#x0025;, 15#x0025;, 20#x0025;, and 25#x0025 ...

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MECHANICAL AND DURABILITY PROPERTIES OF

2017-5-27  Mechanical and durability properties of recycled aggregate concrete (RAC) made with different replacement levels of recycled coarse aggregate (RCA). Submitted to Construction and Building Materials. Huda, S.B. and Alam, M.S. 2014. Mechanical behavior of three generations of 100% repeated recycled coarse aggregate concrete.

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(PDF) MECHANICAL PROPERTIES OF RECYCLED EPS CONCRETE

Investigation the mechanical properties of recycled expanded polystyrene (EPS) concrete is aim of this study. Seven recycled EPS concrete percentages are manufactured experimentally by replacing 0 ...

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A Study on the Properties of Recycled Aggregate

2019-5-10  applied sciences Article A Study on the Properties of Recycled Aggregate Concrete and Its Production Facilities Jung-Ho Kim 1,* , Jong-Hyun Sung 1, Chan-Soo Jeon 2, Sae-Hyun Lee 2 and Han-Soo Kim 3 1 Technology Research Center, Hallaencom, 1170-5, Poseunghyangnamro, Hwaseong-si, Gyeonggi-do 18572, Korea; [email protected]

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The Biaxial Compressive Mechanical Properties and Strength ...

2020-10-26  In this paper, the tests under biaxial compression were conducted on five kinds of recycled aggregate concrete (RAC) by stress ratios (0:−1, −0.1:−1, −0.25:−1, −0.5:−1, −0.75:−1, and −1:−1) at the strain rates of 10–5/s, 10–4/s, 10–3/s, and

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(PDF) MECHANICAL PROPERTIES OF RECYCLED AGGREGATE CONCRETE ...

While studies on the mechanical and engineering While the economical and environmental advantages of properties of concrete made with laboratory crushed old using recycled aggregates are obvious, some problems concrete aggregate are limited [5, 6], only few data are related to durability aspects resulted in recycled aggregates available on ...

Get price

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 aggregate concrete (RAC) as compared to natural aggregate concrete

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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 different substitution rates of RCA (0, 30%, 50%, and 70%) and different LS contents (0, 10#x0025;, 15#x0025;, 20#x0025;, and 25#x0025 ...

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Research on the Mechanical Properties of Recycled ...

2020-8-26  strength of recycled aggregate is lower than that of ordinary concrete, which is widely recognized by the public [7–9]. On the other hand, many micro-cracks in the recycled aggregate surface will absorb new cement particles, which makes the contact area comprehensively hydrated and increases the compactness of RAC, thus the mechanical ...

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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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Physical and Mechanical Properties of Treated Recycled ...

After 28 days, tests are carried out on the specimens. The results show that the mechanical treatment followed by the SF combination significantly enhances the performance of recycled aggregate concretes (RACs). Satisfactory test results are generally obtained for treated recycled aggregate concrete (tRAC) produced with up to 60% tRA and 10% SF.

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(PDF) MECHANICAL PROPERTIES OF RECYCLED EPS CONCRETE

Investigation the mechanical properties of recycled expanded polystyrene (EPS) concrete is aim of this study. Seven recycled EPS concrete percentages are manufactured experimentally by replacing 0 ...

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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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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 composition of the recycled aggregates was determined and several physical and chemical tests of the aggregates were performed.

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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.

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