characteristics of recycled concrete

characteristics of recycled concrete

PROPERTIES OF RECYCLED AGGREGATE CONCRETEMirjana Malešev, et al., Properties of recycled aggregate concrete. Contemporary Materials, V−2 (2014). Page 239 of 249. Original scientific papers. UDK 666.97/.98:691.32 doi: 10.7251/COMEN1402239M. PROPERTIES OF RECYCLED AGGREGATE CONCRETE. Mirjana Malešev1, Vlastimir Radonjanin1, Gordana.Properties of recycled concrete aggregate under different curing .This paper presents the results of an experimental study to evaluate the effects of recycled concrete aggregate (RCA) percentages under different curing conditions. The percentages of recycled coarse aggregate to dolomite were (0:, 25:75%, 50:50%, 100:0%) respectively. The concrete properties which were studied.

Study of recycled concrete aggregate quality and its relationship .This work studies the physical and mechanical properties of recycled concrete aggregate (recycled aggregate from concrete waste) and their influence in structural recycled concrete compressive strength. For said purpose, a database has been developed with the experimental results of 152 works selected from over 250.Strength and Durability Evaluation of Recycled Aggregate Concrete .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.

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Mechanical Properties of Recycled Aggregate Concrete at Low and .

Oct 12, 2013 . 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 of thermal treatment was employed to remove.

PROPERTIES OF RECYCLED AGGREGATE CONCRETE

Mirjana Malešev, et al., Properties of recycled aggregate concrete. Contemporary Materials, V−2 (2014). Page 239 of 249. Original scientific papers. UDK 666.97/.98:691.32 doi: 10.7251/COMEN1402239M. PROPERTIES OF RECYCLED AGGREGATE CONCRETE. Mirjana Malešev1, Vlastimir Radonjanin1, Gordana.

characteristics of recycled concrete,Durability characteristics of recycled aggregate concrete | Request .

Request (PDF) | Durability character. | People started to replace natural aggregate with recycled aggregate for a number of years due to disposal problem and certain other potential benefits. Though there are number of drawbacks with use of recycled aggregates like lesser modulus of elasticity, low compressive strength,.

characteristics of recycled concrete,Relationships between recycled concrete aggregates characteristics .

Apr 1, 2016 . Physical and mechanical properties of recycled concrete aggregates. •. The frost resistance of aggregates subjected to freezing/thawing cycles in water. •. Prediction of the properties of aggregates whatever their origins by Voigt's model. •. Establishment of relationship between the properties of concrete.

Properties of recycled concrete aggregate under different curing .

This paper presents the results of an experimental study to evaluate the effects of recycled concrete aggregate (RCA) percentages under different curing conditions. The percentages of recycled coarse aggregate to dolomite were (0:, 25:75%, 50:50%, 100:0%) respectively. The concrete properties which were studied.

Study of recycled concrete aggregate quality and its relationship .

This work studies the physical and mechanical properties of recycled concrete aggregate (recycled aggregate from concrete waste) and their influence in structural recycled concrete compressive strength. For said purpose, a database has been developed with the experimental results of 152 works selected from over 250.

Mechanical Properties of Recycled Aggregate Concrete at Low and .

Oct 12, 2013 . 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 of thermal treatment was employed to remove.

PROCESSING AND PROPERTIES OF RECYCLED . - CiteSeerX

PROCESSING AND PROPERTIES OF RECYCLED AGGREGATE CONCRETE. BY. HYUNGU JEONG. THESIS. Submitted in partial fulfillment of the requirements for the degree of Master of Science in Civil Engineering in the Graduate College of the. University of Illinois at Urbana-Champaign, 2011. Urbana, Illinois. Adviser.

Research on Characteristics of Recycled Concrete - DPI Proceedings

The recycled concrete technology has attracted increasing attention since it is one of the major measures to develop an ecological concrete, to achieve the sustainable development of building, resources, and environment. Durability performance of recycled concrete is such an important research direction in the.

An Investigation of Mechanical Properties of Recycled Coarse .

Jan 25, 2017 . AbstractRecycling construction and demolition waste not only reduces project costs; and saves natural resources, but also solves the environmental threat caused by construction waste disposal. In this paper, C25 waste road concrete is used as an experimental material, the uniaxial compression strength.

Mechanical Characteristics of Recycled Concrete Aggregates as .

Abstract. The present study explores the feasibility of using recycled aggregates as backfill materials in Oman. Concrete waste was collected from the demolished sites. A small-scale ball-mill was manufactured to recycle the aggregates from concrete. A series of tests were conducted on the mixes of natural aggregates (NA).

Recycled Concrete as Aggregate for Structural . - Semantic Scholar

Apr 30, 2010 . Abstract: A comparative analysis of the experimental results of the properties of fresh and hardened concrete with different replacement ratios of natural with recycled coarse aggregate is presented in the paper. Recycled aggregate was made by crushing the waste concrete of laboratory test cubes and.

Recycled Aggregate Concrete - SlideShare

Nov 15, 2014 . It is called recycled aggregate which can be produced by concrete crusher. The aggregates are categorized by size as coarse and fine aggregate. The characteristic of recycled aggregates could be different by its parent concrete because the parent concrete was designed for its purposes such as.

Effect of Surface Modifications of Recycled Concrete . - MDPI

Dec 26, 2017 . Abstract: The experiment aims to test the specific way of producing concrete with recycled concrete aggregate (RCA). To reduce its negative impact on the concrete properties, two different ways of treatment of the RCA with geopolymer slurry were applied—coating during the mixing using the specific.

On statistical characteristics of the compressive strength of recycled .

May 25, 2015 . This paper presents a statistical analysis of the compressive strength of recycled aggregate concrete (RAC) with recycled coarse aggregate (RCA) coming from one single source. The statistical analysis includes the mean value, the standard deviation and the coefficient of variation in addition to the.

Concrete recycling - Wikipedia

We couldn't indicate that the recycled aggregate is not good for using just by comparing these data with the natural aggregate properties. If we use 65% of recycled aggregate or above, each physical properties will drop greatly. However, if we limit the portion of recycled aggregate adds to concrete, it won't affect each.

Durability of Reinforced Concrete Incorporating Recycled Concrete .

2.2- Effect of physical properties of recycled aggregate on fresh concrete …..8. 2.2.1- Grading and size of recycled aggregate…………………………….8. 2.2.2- Particle shape and surface texture of recycled aggregate.……….10. 2.2.3- Bulk Specific gravity and bulk density of recycled aggregate…. 11. 2.2.4- Porosity and.

Rheological Properties of Recycled Aggregate Concrete Using .

Abstract: The mechanical properties of recycled aggregates concrete from demolition have been studied for several years. It has been documented that rheological properties of these concrete are generally affected by use of recycled aggregates. They could present mechanical properties less affected by the presence of.

A Statistical Study on the Compressive Strength of Recycled . - aidic

compressive strength of the concrete rubble is about 37MPa (Xiao, et al., 2008). The natural aggregate is crushed granite. The RCAs and natural aggregate have the similar grading curves, and they meet the corresponding requirement for normal concrete. The basic properties of both natural aggregate and RCA are.

Recycled aggregate concrete (RAC) methodology for . - NOPR

In this paper, a methodology for prediction of long-term properties of recycled aggregate concrete is presented, based on an extensive literature review of international experimental campaigns on this type of environment-friendly concrete. The methodology presented is based on the previous determination of the main.

Impact of aging on leaching characteristics of recycled concrete .

Environ Sci Pollut Res Int. 2016 Oct;23(20):20835-20852. Epub 2016 Aug 1. Impact of aging on leaching characteristics of recycled concrete aggregate. Abbaspour A(1), Tanyu BF(2), Cetin B(3). Author information: (1)Department of Civil, Environmental and Infrastructure Engineering, George Mason University, Fairfax, VA,.

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