Recycled Concretes Made With Waste Ready Mix Concrete As Coarse Aggregate Ppt

Recycled Concretes Made with Waste Ready-Mix Concrete as ...

Mar 03, 2011· In this paper, some characteristics of recycled coarse aggregates obtained by crushing waste ready-mix concrete, as well as the mechanical and durability properties of recycled concretes made by using 25, 50, and 75% of these aggregates, are presented.

Recycled Concretes Made with Waste Ready-Mix Concrete as ...

In this paper, some characteristics of recycled coarse aggregates obtained by crushing waste ready-mix concrete, as well as the mechanical and curability properties of recycled concretes made by ...

Investigations on Concrete with Recycled Concrete as ...

• The sixth concrete mix had 100% of recycled coarse aggregate (R100). As all the other variables were kept constant, this research enabled us to determine the influence of the coarse recycled aggregate amount (0%, 20%, 40%, 60%, 80% and 100%) on tested concrete properties. The experimental investigation was done on different grades of concrete

Micro-structural analysis of recycled concretes made with ...

Jan 18, 2021· Microstructure and properties of recycled concretes using ceramic sanitary ware industry waste as coarse aggregate Constr. Build. Mater. , 1 ( 31 ) ( 2012 ) , pp. 112 - 118

Final review ppt project EFFECTIVENESS OF USING RECYCLED ...

Feb 01, 2017· 6. A.K. Padmini, Influence of parent concrete on the properties of recycled aggregate concrete, Construction and Building Materials 23 (2009) 829–836. 7. Valeria Corinaldesi, Mechanical and elastic behaviour of concretes made of recycled-concrete coarse aggregates, Construction and Building Materials 24 (2010) 1616–1620. 27 28. 28

Recycled Aggregate Concrete - SlideShare

Nov 15, 2014· Classification & properties of recycle aggregate concrete Material composition is the basis for classification of recycled concrete aggregate in two main types- 1) Crushed concrete 2) Mixed material Each of these types is divided in a class for bound and a class for unbound use Crushin g age Bulk specific gravity Bulk density Absorp tion ...

Recycled aggregate concrete - SlideShare

Nov 15, 2017· The results are tabulated under Table 4. Percentage of Recycled Aggregate (%) Slump (mm) 100% recycled aggregate 48 75% recycled aggregate 55 Table 4: Variation of Slump with Percentage of RAC. 11. IV) Compression Test A Concrete mix having cement, fine aggregate and coarse aggregate in the ratio of 1:2.65:3.92 was prepared.

Using Recycled Concrete as Aggregate - Civil Engineering Notes

Aug 13, 2020· What is Recycled Concrete Aggregate. Recycled concrete as aggregate is nothing but aggregates produced from the previously used construction material such as masonry or concrete. Recycled aggregates consist of hard, graduated fragments of inert materials, which include sand, crushed stone, rock dust, gravel, slag or powder.

Recycled concrete aggregate - SlideShare

Mar 14, 2015· Breaking up & removing the old concrete Crushing in primary and secondary crushers 14 15. Finally , stockpiling and separation of coarse and fine aggregate Grading and washing 15 16. (Collecting waste concrete aggregate) (Making M20 Concrete mixture ) (Making 150 mm cube for comparing RCA & NCA properties.) .) 16 17.

Ppt Recycled-aggregate-concrete-ppt | Powerpoint ...

Using Crushed Recycled Concrete Aggregate In Ready Mix 294756 PPT. Presentation Summary : Using Crushed Recycled Concrete Aggregate in Ready Mix. W. Scott Brown. Concrete Operations Manager, Anchorage Sand & Gravel. Nomenclature: Crushed Recycled

Recycled Concretes Made with Waste Ready-Mix Concrete as ...

Recycled Concretes Made with Waste Ready-Mix Concrete as Coarse Aggregate. Using waste materials for new products is a global trend undergoing rapid development. Recycling materials allows for a more efficient life cycle and contributes to environmental protection.

Evaluation of durability properties of recycled aggregate ...

Nov 21, 2017· 2. Claudio Javier Zega, Angel Antonio Di Maio. “Recycled Concretes Made with Waste Ready-Mix Concrete as Coarse Aggregate”, Journal of Materials in Civil Engineering, Vol. 23(3), (2011), pp. 281-286. 3. Marco Pepe, Romildo Dias Toledo Filho, …

(PDF) Utilization of Recycled Coarse Aggregate in Concrete ...

For the stronger concrete with a target strength of 42 MPa, the concrete made with recycled aggregate of a known source (42 MPa) showed an improvement in the 28-days strength of about 12% over the ...

Final review ppt project EFFECTIVENESS OF USING RECYCLED ...

Feb 01, 2017· 6. A.K. Padmini, Influence of parent concrete on the properties of recycled aggregate concrete, Construction and Building Materials 23 (2009) 829–836. 7. Valeria Corinaldesi, Mechanical and elastic behaviour of concretes made of recycled-concrete coarse aggregates, Construction and Building Materials 24 (2010) 1616–1620. 27 28. 28

Study report SR101 Effect of recycled concrete aggregate ...

This report is intended for ready mixed concrete suppliers, aggregate suppliers, Local Authorities, waste handlers and recyclers. ... It concludes that concretes made with recycled concrete aggregates may have reduced compressive, tensile ... recycled coarse aggregate was used in combination with virgin aggregates.

Use of Waste Materials As a replacement of Coarse ...

May 15, 2013· Use of Waste Materials As a replacement of Coarse Aggregate in Concrete Mix ... This has the additional advantage of saving in natural aggregates used in theproduction of concrete. Recycled waste-tire rubber have been used in different application. ... The details of the mixture proportions used forthe concretes. The specimens were tested for ...

(PDF) Use of recycled concrete aggregate in concrete: A review

The use of recycled concrete aggregate (RCA) in concrete as partial and full replacements of natural coarse aggregate is growing interest in the construction industry, as it reduces the demand for ...

EXPERIMENTAL INVESTIGATION FOR RECYCLED COARSE AGGREGATE ...

Ingredients for group 1 concrete are cement, course aggregate, natural coarse aggregate and same for group 2 concrete are cement, course aggregate, recycled aggregate and glass aggregate.

Vol.36, No.2, January 2014, pp.12-19 Investigating the ...

findings are that recycled concrete can best be used as a substitute for coarse aggregate only. Utilisation of recycled concrete has been taking place and steadily growing every year. In 2001, 42 million tonnes of construction and demolition waste including concrete were recycled …

Recycled Aggregates - Cement

The ready mixed concrete supplier treated the RCA like lightweight aggregates and was able to produce concrete in a single-stage mixing process. Contractors placing the RCA concrete said the workability was similar to that of the virgin aggregate concrete and the placement had good finishability.

(PDF) Demolition Waste in Concrete

Vijay Venkatesh Chandrasekaran (2016) Describes about the project reuse waste crushed concrete maters (WCC) from the lath wastage of crushed concrete replacing from coarse aggregate …

Use of recycled coarse and fine aggregates in structural ...

Concretes designed with recycled mixed fine and concrete coarse aggregate (HR-X + 50 M) or with recycled concrete coarse aggregate only (HR-X) exhibited greater efficiency than HP in terms of tensile strength and similar or greater efficiency respecting flexural strength for concrete coarse aggregate contents of 50% or less and 50% RMF (HR-0 ...

(PDF) Strength evaluation of recycled aggregate concrete ...

Materials and Structures/ MatOriaux et Constructions, 1988, 2 1 , 2 8 9 - 2 9 5 Strength evaluation of recycled-aggregate concrete by in-situ tests R. SRI RAVINDRAJAH, Y. H. LOO, C. T. TAM Department of Civil Engineering, National University of Singapore, Kent Ridge, Singapore 051t Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted ...

Experimental analysis of properties of recycled coarse ...

Oct 15, 2014· The objective of this study is to investigate the mechanical and the physical properties of concretes containing SF (0–5–10%) and GGBFS (0–30–60%) at various ratios and replacing (0–25–50–75–100%) the natural coarse aggregate (NCA) with the recycled coarse aggregate (RCA).

Recycled Concretes Made with Waste Ready-Mix Concrete as ...

Recycled Concretes Made with Waste Ready-Mix Concrete as Coarse Aggregate. Using waste materials for new products is a global trend undergoing rapid development. Recycling materials allows for a more efficient life cycle and contributes to environmental protection.

Recycled Concretes Made with Waste Ready-Mix Concrete as ...

Recycled Concretes Made with Waste Ready-Mix Concrete as Coarse Aggregate. Zega, Claudio Javier; Di Maio, Angel Antonio ...

Recycled Materials Research Papers - Academia.edu

Recycled Concretes Made with Waste Ready-Mix Concrete as Coarse Aggregate [Journal of Materials in Civil Engineering 23, 281 (2011)]. Claudio Javier Zega, Angel Antonio Di Maio.

Study report SR101 Effect of recycled concrete aggregate ...

This report is intended for ready mixed concrete suppliers, aggregate suppliers, Local Authorities, waste handlers and recyclers. ... It concludes that concretes made with recycled concrete aggregates may have reduced compressive, tensile ... recycled coarse aggregate was used in combination with virgin aggregates.

Use of Waste Materials As a replacement of Coarse ...

May 15, 2013· Use of Waste Materials As a replacement of Coarse Aggregate in Concrete Mix ... This has the additional advantage of saving in natural aggregates used in theproduction of concrete. Recycled waste-tire rubber have been used in different application. ... The details of the mixture proportions used forthe concretes. The specimens were tested for ...

(PDF) Use of recycled concrete aggregate in concrete: A review

The use of recycled concrete aggregate (RCA) in concrete as partial and full replacements of natural coarse aggregate is growing interest in the construction industry, as it reduces the demand for ...

(DOC) AN INTRODUCTION TO RECYCLED AGGREGATE CONCRETE ...

Tavakoli M., Soroushian P. studied that concrete made with 100% of recycled coarse aggregate with lower w/c ratio than the conventional concrete can have larger compression strength. When the w/c ratio is the same the compression strength of concrete made with 100% of recycled aggregate is lower than that on conventional concrete.

Vol.36, No.2, January 2014, pp.12-19 Investigating the ...

findings are that recycled concrete can best be used as a substitute for coarse aggregate only. Utilisation of recycled concrete has been taking place and steadily growing every year. In 2001, 42 million tonnes of construction and demolition waste including concrete were recycled …

EXPERIMENTAL INVESTIGATION FOR RECYCLED COARSE AGGREGATE ...

Ingredients for group 1 concrete are cement, course aggregate, natural coarse aggregate and same for group 2 concrete are cement, course aggregate, recycled aggregate and glass aggregate.

(PDF) Strength evaluation of recycled aggregate concrete ...

Materials and Structures/ MatOriaux et Constructions, 1988, 2 1 , 2 8 9 - 2 9 5 Strength evaluation of recycled-aggregate concrete by in-situ tests R. SRI RAVINDRAJAH, Y. H. LOO, C. T. TAM Department of Civil Engineering, National University of Singapore, Kent Ridge, Singapore 051t Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted ...

(PDF) Demolition Waste in Concrete

Vijay Venkatesh Chandrasekaran (2016) Describes about the project reuse waste crushed concrete maters (WCC) from the lath wastage of crushed concrete replacing from coarse aggregate …

Durability of Reinforced Concrete Incorporating Recycled ...

The driving force for recycling concrete is three-fold: preserving natural resources, utilizing the growing waste and saving energy and money. While some waste concrete is currently being crushed and used for grading and base material for highways, it has not been used as the aggregate in new concrete in Canada, largely because of the plentiful ...

Microstructural Characterization of Concrete Prepared with ...

May 15, 2013· The used raw materials were natural aggregate, recycled aggregate obtained from a standard concrete, and Portland cement. The substitution extent was 0, 10, 50, and 100 vol%; hydration was stopped at 9, 24, and 96 h and 28 days.

Comparative LCA of concrete with natural and recycled ...

Jul 13, 2017· Goal and scope. The goal of the present study is to compare the environmental impact caused by producing and transporting concrete mix constituents (coarse and fine aggregates, cement, and water) required for producing 1 m 3 of (1) concrete with only NA used as coarse aggregate, and (2) concrete of the same compressive strength in which only RCA is used as coarse aggregate.

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