REcycled AggREgATe woRkABIlItY

  • WORKABILITY STUDY FOR RECYCLED AGGREGATES

    2012-5-28 · Workability by slump cone was determined by using IS: 1199-1959[25] for RA concrete mixes. Concrete mixes were prepared ... recycled aggregate is occurred within first 10 min. It also indicates here that any washing treatment can be made to this aggregate for 10min can work properly.

  • Workability and Early-Age Strength of Recycled

    2021-6-2 · Workability and Early-Age Strength of Recycled Aggregate Concrete Incorporating Basalt Fibers Shahrukh Shoaib1, Hilal El-Hassan1, Bilal El-Ariss1, Tamer El-Maaddawy1 1United Arab Emirates University, Department of Civil and Environmental Engineering P.O. Box 15551, Al Ain, United Arab Emirates

  • Workability and Rheology of Fresh Recycled Aggregate ...

    2016-10-2 · Limited studies were focused on the influence of some recycled aggregate properties on slump, which is the most frequently used measure to evaluate workability. Since this measure is a single-value and it is often operator-sensitive, a more quantitative estimate can be derived in terms of fundamental physical quantities, such as plastic ...

  • Workability study of concretes made with recycled mortar ...

    2013-1-22 · The use of recycled aggregates (RA) for concrete production usually involves a reduction of the workability as measured by slump. This reduction is mainly due to higher absorption rates, rough-textured surfaces and particles with quite irregular shape from RA. Besides that, the slump test is a static test, whose result is influenced by its own weight and by

  • Assessment of Recycled Aggregate Concrete

    2018-12-14 · workability of the concrete using recycled aggregate. 2. Evaluation of Recycled Aggregate Properties Recycled aggregate can be generated from demolished construction structure which comprises of broken members or components likes the slab, beam, brick wall and others. Since the quality data of these broken materials are often

  • Performance of Recycled Aggregate Concrete

    2009-9-1 · showed that the workability of recycled aggregate is lower than the workability of natural aggregate concrete ,the slump test was about 1.0cm slump for 60 % coarse recycled aggregate concrete and increases as the percent of recycled aggregate decreases . The compressive strength of recycled aggregate concrete with 60 % recycled aggregate, is

  • 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.

  • A STUDY ON RECYCLED CONCRETE AGGREGATES

    2018-3-15 · RCA. The recycled aggregate concrete is made by mixing 60% of recycled aggregates with 40% of crushed stone chips. The aggregates used for concrete batching are maintained at saturated surface dry condition . The workability of the recycled aggregate concrete is slightly lower than that of the conventional concrete. The

  • The effect of superplasticisers on the workability and ...

    2012-3-1 · It may also have a better binder/recycled aggregate interface due to the greater specific surface of the RA. Khatib’s results indicate that once FRA are introduced into the mix their effect on compressive strength remains constant for incorporation ratios between 25% and 75%, i.e. equivalent to a reduction of around 25%.

  • WORKABILITY STUDY FOR RECYCLED AGGREGATES

    2012-5-28 · Workability by slump cone was determined by using IS: 1199-1959[25] for RA concrete mixes. Concrete mixes were prepared ... recycled aggregate is occurred within first 10 min. It also indicates here that any washing treatment can be made to this aggregate for 10min can work properly.

  • Workability and Early-Age Strength of Recycled Aggregate ...

    2021-6-2 · Workability and Early-Age Strength of Recycled Aggregate Concrete Incorporating Basalt Fibers. Shahrukh Shoaib 1, Hilal El-Hassan 1, Bilal El-Ariss 1, Tamer El-Maaddawy 1. 1 United Arab Emirates University, Department of Civil and Environmental Engineering P.O. Box 15551, Al Ain, United Arab Emirates

  • Workability and Rheology of Fresh Recycled Aggregate ...

    2016-10-2 · Limited studies were focused on the influence of some recycled aggregate properties on slump, which is the most frequently used measure to evaluate workability. Since this measure is a single-value and it is often operator-sensitive, a more quantitative estimate can be derived in terms of fundamental physical quantities, such as plastic ...

  • Workability study of concretes made with recycled mortar ...

    2013-1-22 · The use of recycled aggregates (RA) for concrete production usually involves a reduction of the workability as measured by slump. This reduction is mainly due to higher absorption rates, rough-textured surfaces and particles with quite irregular shape from RA. Besides that, the slump test is a static test, whose result is influenced by its own weight and by

  • (PDF) Effect of Metakaoline and Recycled Fine Aggregate

    Natural fine aggregate in concrete was replaced with 0%, 25%, 50%, 75%, and 100% of recycled fine aggregate. The workability was found to decrease as the percentage of recycled fine aggregate was ...

  • Performance of Recycled Aggregate Concrete

    2009-9-1 · showed that the workability of recycled aggregate is lower than the workability of natural aggregate concrete ,the slump test was about 1.0cm slump for 60 % coarse recycled aggregate concrete and increases as the percent of recycled aggregate decreases . The compressive strength of recycled aggregate concrete with 60 % recycled aggregate, is

  • Assessment of Recycled Aggregate Concrete

    2018-12-14 · workability of the concrete using recycled aggregate. 2. Evaluation of Recycled Aggregate Properties Recycled aggregate can be generated from demolished construction structure which comprises of broken members or components likes the slab, beam, brick wall and others. Since the quality data of these broken materials are often

  • A STUDY ON RECYCLED CONCRETE AGGREGATES

    2018-3-15 · RCA. The recycled aggregate concrete is made by mixing 60% of recycled aggregates with 40% of crushed stone chips. The aggregates used for concrete batching are maintained at saturated surface dry condition . The workability of the recycled aggregate concrete is slightly lower than that of the conventional concrete. The

  • Rheological Properties of Recycled Aggregate Concrete ...

    2018-12-4 · (recycled aggregate). The workability of these concrete were also controlled; Secondly, to identify the admixture, in particular which type(s) of superplasticizer(s) is the best choice to use with recycled sand. This investigation was carried out on mortar; Finally, to analyze the rheological behavior of a recycled sand mortar formulated with ...

  • Effects of Recycled Aggregate on Concrete Mix and

    2019-6-25 · (2) Bulk densities of recycled aggregate are lower than natural aggregate, while the moisture content and water absorption of recycled aggregate mixes are higher than those of natural aggregate. (3) The workability of concrete, expressed in terms of slump, varied within the range from 60 to 92 mm, which is acceptable for new concrete.

  • WORKABILITY STUDY FOR RECYCLED AGGREGATES

    2012-5-28 · Workability by slump cone was determined by using IS: 1199-1959[25] for RA concrete mixes. Concrete mixes were prepared ... recycled aggregate is occurred within first 10 min. It also indicates here that any washing treatment can be made to this aggregate for 10min can work properly.

  • (PDF) Effect of Metakaoline and Recycled Fine Aggregate

    Natural fine aggregate in concrete was replaced with 0%, 25%, 50%, 75%, and 100% of recycled fine aggregate. The workability was found to decrease as the percentage of recycled fine aggregate was ...

  • Performance of Recycled Aggregate Concrete

    2009-9-1 · showed that the workability of recycled aggregate is lower than the workability of natural aggregate concrete ,the slump test was about 1.0cm slump for 60 % coarse recycled aggregate concrete and increases as the percent of recycled aggregate decreases . The compressive strength of recycled aggregate concrete with 60 % recycled aggregate, is

  • Assessment of Recycled Aggregate Concrete

    2018-12-14 · workability of the concrete using recycled aggregate. 2. Evaluation of Recycled Aggregate Properties Recycled aggregate can be generated from demolished construction structure which comprises of broken members or components likes the slab, beam, brick wall and others. Since the quality data of these broken materials are often

  • Rheological Properties of Recycled Aggregate Concrete ...

    2018-12-4 · (recycled aggregate). The workability of these concrete were also controlled; Secondly, to identify the admixture, in particular which type(s) of superplasticizer(s) is the best choice to use with recycled sand. This investigation was carried out on mortar; Finally, to analyze the rheological behavior of a recycled sand mortar formulated with ...

  • Use Of Recycled Aggregate In Concrete – IJERT

    2013-1-30 · It has been found that workability of concrete with natural and recycled aggregate is almost the same if water saturated surface dry recycled aggregate is used. Also, if dried recycled aggregate is used and additional water quantity is added during mixing, the same workability can be achieved after a prescribed time.

  • Sustainable Construction: Use of Recycled Concrete

    2015-7-7 · Experimental results indicated that for concretes containing recycled coarse aggregates, as cleanliness of the recycled aggregate particles decreased, workability and compressive strength decreased, whereas air content increased.

  • EFFECT OF RECYCLED AGGREGATES ON THE

    2018-10-5 · mechanical properties of recycled aggregate concrete. In this study, behaviour of recycled aggregate concrete (RAC) at varying percentages i.e. (0%, 40%, 60%, 80%, 100%) of recycled aggregates in terms of their mechanical ... With pre-saturation of recycled aggregates workability first increases and then decreases due to more recycled

  • PROPERTIES OF RECYCLED AGGREGATE CONCRETE

    2015-2-18 · the recycled aggregate comes from many different sources, the uneven quality, i.e. variations in the properties of recycled aggregate are much more pro-nounced than as is the case with natural aggregates. Figure 2. Appearance of the recycled aggregate grains [2] 2.1. Aggregate grading Grading of recycled coarse aggregate

  • Effect of fine recycled aggregate on the strength and ...

    2021-5-19 · To overcome the scarcity of river sand and dumping of construction and demolition wastes, the fine recycled aggregate (FRA) collected from C&D wastes is being utilized as a replacement to river sand. Many earlier studies reported that the higher water absorption of fine recycled aggregate and weak interfacial transition zone (ITZ) resulted in the development of