creep and shrinkage of recycled aggregate concrete publons

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Jul 01, 2009  The main aim of this work was to determine creep and shrinkage variations experienced in recycled concrete, made by replacing the main fraction of the natural aggregate with a recycled aggregate coming from waste concrete and comparing it to a control concrete. The substitution percentages were 20%, 50% and 100%.

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About this site

The main aim of this work was to determine creep and shrinkage variations experienced in recycled concrete, made by replacing the main fraction of the natural aggregate with a recycled aggregate coming from waste concrete and comparing it to a control concrete. The substitution percentages were 20%, 50% and 100%.

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About this site

The creep of Recycled Aggregate Thermal Insulation Concrete (100% of Recycled Aggregate and 100% Glazed Hollow Beads) is higher (11.3%) than that of Natural Concrete(NC) at 28d, whereas, the creep ...

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Concrete Shrinkage and Creep in Recycled Aggregate ...

Nov 07, 2016  Concrete shrinkage and creep in recycled aggregate concrete-filled steel tubes (RACFST) were experimentally studied and the results were presented in this paper. The measurements on the shrinkage and creep lasted for about eighteen months.

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Shrinkage and Creep Performance of Recycled Aggregate Concrete

10%  Recycled aggregate concrete is not a new concept, but it is normally met with resistance due to reduction in strength and an increase in drying shrinkage. The organizations that allow for recycled concrete aggregates in concrete give few guidelines. One of the common requirements is that the recycled aggregates should be soaked prior to use ...

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SHRINKAGE AND CREEP OF CONCRETE WITH RECYCLED

Jul 07, 2015  At the Magnel Laboratory for Concrete Research of Ghent University research was carried out concerning the shrinkage and creep behaviour of recycled material based concretes. Three recycled materials were compared with limestone and a lightweight material. First, the concrete mix design was studied.

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Creep and shrinkage of recycled aggregate concrete ...

The creep of Recycled Aggregate Thermal Insulation Concrete (100% of Recycled Aggregate and 100% Glazed Hollow Beads) is higher (11.3%) than that of Natural Concrete(NC) at 28d, whereas, the creep ...

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Concrete Shrinkage and Creep in Recycled Aggregate ...

Nov 07, 2016  Concrete shrinkage and creep in recycled aggregate concrete-filled steel tubes (RACFST) were experimentally studied and the results were presented in this paper. The measurements on the shrinkage and creep lasted for about eighteen months.

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CREEP AND SHRINKAGE OF NORMAL STRENGTH CONCRETE

May 01, 2015  Title: CREEP AND SHRINKAGE OF NORMAL STRENGTH CONCRETE WITH RECYCLED CONCRETE AGGREGATES Author(s): Adam M. Knaack and Yahya C. Kurama Publication: Materials Journal Volume: 112 Issue: 3 Appears on pages(s): 451-462 Keywords: creep compliance; recycled concrete aggregate; shrinkage. Date: 5/1/2015 Abstract: This paper describes an experimental investigation on the creep and shrinkage

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SHRINKAGE AND CREEP OF CONCRETE WITH RECYCLED

Jul 07, 2015  At the Magnel Laboratory for Concrete Research of Ghent University research was carried out concerning the shrinkage and creep behaviour of recycled material based concretes. Three recycled materials were compared with limestone and a lightweight material. First, the concrete mix design was studied.

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Technical Paper Strength, shrinkage and creep of concrete ...

Keywords: recycled coarse aggregate, recycled aggregate concrete, strength, creep, shrinkage, carbonation. 1. Introduction In South Korea, an economic boom has started in late 1960s about 50 years ago and many building and civil engineering infrastructures have been built starting from the late 1960s. The amount of construc-

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Performance of Recycled Concrete Aggregates: A New ...

Apr 15, 2021  Therefore, there are limits on the amount of recycled aggregate that can be used in a concrete mix. Higher amounts increase drying shrinkage and creep. Higher amounts also decrease tensile strength and modulus of elasticity. Testing determines acceptable ratios of recycled aggregates to natural aggregates.

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Role of Recycled Concrete Aggregates on the Long-Term ...

Sep 25, 2013  The effects of coarse recycled concrete aggregates on long-term behavior of concrete (shrinkage and creep) are investigated. Most important, corresponding prediction models have been compared with experimental findings, obtaining a systematic underestimation of results.

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Recycled Aggregate Concrete - SlideShare

Nov 15, 2014  Its a lower density , elastic modulus, strength and a higher water absorption capacity. recycled aggregate has a proportional mortar which attached to aggregate, it gives a higher porosity and a lower strength to RAC than the normal concrete. In addition, since recycled aggregates require a more amount of water than natural aggregate, shrinkage ...

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Handbook of Alkali-Activated Cements, Mortars and ...

Nov 03, 2014  10.2 Shrinkage and creep in concrete; 10.3 Shrinkage in alkali-activated concrete; ... 19.3 Properties of alkali-activated recycled aggregate concrete; ... His review record places him at the Top 0.1% between 2 million reviewers registered in Publons. He currently ranks second place between more than 10.000 reviewers in civil engineering.

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Crushed Concrete Aggregates - Properties and Uses of ...

Modulus of elasticity of concrete made with recycled coarse and fine aggregate is lower than that of concrete made with recycled coarse aggregate only. 5. Creep Creep of concrete produced from recycled concrete aggregate is higher than concrete made using natural aggregate by 30 to 60%. 6. Drying Shrinkage

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A/Prof Faiz Shaikh Curtin University, Perth, Australia

Shaikh, F.U.A. and Biswas, W.K. (2018-2019) Sustainable recycled aggregate concrete for structural application. Funded by Waste Authority of Western Australia. (Grant amount A$35,000) Shaikh, F.U.A. (2018-2021) Development of reinforced concrete – recycled tyre bale sandwich structural wall system. Funded by Tyre Stewardship Australia.

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Concrete Frattura ed Integrità Strutturale

Frattura ed Integrità Strutturale encompasses the broad topic of structural integrity, which is based on the mechanics of fatigue and fracture and is concerned with the reliability and effectiveness of

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Advances on Alkali-activated Concrete - Fernando Pacheco ...

The first edition of the Handbook of Alkali-Activated Cements, Mortars and Concrete was published in 2014. The structure of the first edition was based on investigations that were mainly made by chemistry and materials science experts. Very few researchers from civil engineering were involved in this field of research at that time, so the first edition had a very limited number of ...

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Handbook of Alkali-Activated Cements, Mortars and ...

Nov 13, 2018  10.2 Shrinkage and creep in concrete 10.3 Shrinkage in alkali-activated concrete ... 19.3 Properties of alkali-activated recycled aggregate concrete ... His review record places him at the Top 0.1% between 2 million reviewers registered in Publons. He currently ranks second place between more than 10.000 reviewers in civil engineering.

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Shrinkage and Creep Performance of Recycled Aggregate Concrete

Recycled aggregate concrete is not a new concept, but it is normally met with resistance due to reduction in strength and an increase in drying shrinkage. The organizations that allow for recycled concrete aggregates in concrete give few guidelines. One of the common requirements is that the recycled aggregates should be soaked prior to use ...

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Shrinkage and creep performance of concrete with recycled ...

Sep 01, 2017  This research analyses the shrinkage and creep performance of concrete with recycled aggregates from various Portuguese construction and demolition waste recycling plants, studying the influence of the properties and composition of each recycled aggregate source on the characteristics of concrete produced with them.

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Experimental Study on a Prediction Model of the Shrinkage ...

ordinary concrete and recycled aggregate concrete at di erent ages were compared. A coe cient of increase and a coe cient of contraction increase of the attached mortar were proposed. Based on the old attached mortar, a shrinkage and creep model of recycled aggregate concrete was established.

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SHRINKAGE AND CREEP OF CONCRETE WITH RECYCLED

At the Magnel Laboratory for Concrete Research of Ghent University, research was carried out concerning the shrinkage and creep behaviour of recycled material based concretes. Three recycled materials were compared with limestone and a lightweight material. First, the concrete mix design was studied. The porosity of the recycled materials had an important influence on the properties of fresh ...

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Creep and drying shrinkage characteristics of concrete ...

Creep and drying shrinkage characteristics of concrete produced with coarse recycled concrete aggregate. Cement and Concrete Composites, 2011. ... Creep and drying shrinkage characteristics of concrete produced with coarse recycled concrete aggregate. Download. Related Papers. Durability of recycled aggregate concrete designed with equivalent ...

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Estimation models for creep and shrinkage of concrete made ...

May 20, 2021  Two empirical models are proposed for estimating creep coefficient and shrinkage strain of concrete covering a wide range of natural, recycled and secondary aggregates alone or in any combination of these, as well as the cement effect and its proportion effect in the form of aggregate/cement ratio.

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Effect of old attached mortar on the creep of recycled ...

Dec 17, 2013  This paper first presents an experimental study on the shrinkage and creep behaviour of recycled aggregate concrete (RAC) with different recycled coarse aggregate (RCA) replacement percentages (i.e. 0 %, 33 %, 66 %, 100 %). The experimental results reveal that increasing the RCA replacement percentage can increase the shrinkage and creep of RAC.

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Relationship Between Gas Adsorption and the Shrinkage and ...

Dec 01, 2003  In this work, an experimental analysis is described of specimens of recycled concrete (RC) made with replacement of natural aggregate with recycled aggregate originating from concrete (RCA). An experimental analysis to obtain the shrinkage and creep properties (basic and by drying) of RC was performed.

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Crushed Concrete Aggregates - Properties and Uses of ...

Modulus of elasticity of concrete made with recycled coarse and fine aggregate is lower than that of concrete made with recycled coarse aggregate only. 5. Creep Creep of concrete produced from recycled concrete aggregate is higher than concrete made using natural aggregate by 30 to 60%. 6. Drying Shrinkage

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Different Types Sizes of Aggregate for Concrete ...

Aug 11, 2018  Recycled concrete as aggregate will typically have higher absorption and lower specific gravity than natural aggregate and will produce concrete with slightly higher drying shrinkage and creep. These differences become greater with increasing amounts of recycled fine aggregates.

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Recycle Concrete Aggregate or Concrete With Recycled ...

Apr 11, 2021  Shrinkage And Creep of Recycled Aggregates. Shrinkage and creep deformation of recycled concrete aggregate is found to higher than the natural aggregate concrete that is usually 25 to 35 percent higher . However, this behaviour can be controlled by

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Handbook of Alkali-Activated Cements, Mortars and ...

Nov 13, 2018  10.2 Shrinkage and creep in concrete 10.3 Shrinkage in alkali-activated concrete ... 19.3 Properties of alkali-activated recycled aggregate concrete ... His review record places him at the Top 0.1% between 2 million reviewers registered in Publons. He currently ranks second place between more than 10.000 reviewers in civil engineering.

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Science and Engineering of Composite Materials

Jan 01, 2001  Coarse aggregate made of building demolition wastes is mostly utilized in concrete mixtures or road structures. Fine aggregate is not widely used. Therefore, the novelty of this research was the utilization of recycled fine aggregate (RFA) in epoxy resin coatings. Natural fine aggregate (NFA) was also used as an extender in the coating.

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Public Staff Profile Curtin University, Perth, Australia

Shaikh, F.U.A. and Biswas, W.K. (2018-2019) Sustainable recycled aggregate concrete for structural application. Funded by Waste Authority of Western Australia. (Grant amount A$35,000) Shaikh, F.U.A. (2018-2021) Development of reinforced concrete – recycled tyre bale sandwich structural wall system. Funded by Tyre Stewardship Australia.

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