Reusing these concrete wastes will help in saving landfill spaces in addition to more sustainability in natural resources. The objective of this study is to investigate the possibility of using old recycled concrete as coarse aggregate to make new concrete mixes, and its effect on the evolution of the compressive strength of the new concrete mixes.
demolition waste coarse aggregate at 7,14 and 28 days is comparable to that of referral concrete. The compressive strength of recycled concrete CAR concrete made using 10% of demolition waste coarse aggregate is almost similar to referral concrete. Further, the results indi e that still
In addition, waste materials, when properly processed, have shown to be effective as construction materials and readily meet the design specifi ions 5 , 6 .This study focuses on producing concrete of acceptable strength with waste glass as coarse aggregate and determining the optimum coarse aggregate mix ratio to achieve this strength.
An experimental study is made on the utilization of E-waste particles as fine and coarse aggregates in concrete with a percentage replacement ranging from 0 %, 20% to 30% i.e. 0%, 10%, 20% and 30% on the strength criteria of M20 Concrete.
1 To determine the suitability of brick waste as replacement of coarse aggregate in concrete production. 2 To investigate the mechanical and physical properties of brick waste concrete 3 To compare the performance between concrete with brick waste as coarse aggregate partial replacement and conventional concrete control concrete .
Test results showed that the compressive strength of recycled concrete up to 30% coarse aggregate replacement C. A. R. by demolished waste at the end of 28 d has been found to be comparable to
Using the E-waste as a partial replacement of coarse aggregate in concrete is the best solution. We can not fully replace material in concrete because it impacts the workability of concrete . The electronic waste is crushed as required particle size and can be mixed with other aggregates in concrete which will not affect the quality
Since the enormous quantity of concrete is available for recycling from demolished concrete structures, field demolished concrete is used in the present study to produce the recycled aggregates. The concrete debris were collected from different four sources with the age ranging from 2 to 40 years old and broken into the pieces of
Keywords – Demolished Crushed Concrete Aggregate DCCA , OPC 53 grade cement, Lathe waste, Fine aggregate, coarse aggregate. I INTRODUCTION Since urban area is rising in excess of a moment in time, the stipulate used for innovative buildings and communi ions has stridently risen.
Waste Coconut Shells as Aggregates in Concrete Mixture”, Journal of Engineering Science and Technology Review 6 5 2013 7-14 6 Amaranth Yerramala, Ramchandrudu C, “ Propertise of concrete with coconut shell as Aggregate replacement”, ISSN: 2278-7461, www.ijeijournal.com Volume 1, Issue 6 October2012 PP: 21-31
The strength of the aggregate-matrix mortar bond is reduced to about 55 to 88 percent of the strength of the control when conventional coarse aggregates are replaced with pieces of old concrete. Furthermore, recycled aggregate concrete is equally workable as the control, and has a compressive strength of at least 76 percent and a modulus of
This paper highlights an alternative waste management strategy for geo concrete construction and demolition waste by illustrating the suitability of recycled geo aggregates for full or partial replacement of coarse natural aggregates in the widely used Portland cement concrete.
Concrete recycling gains importance because it protects natural resources and eliminates the need for disposal by using the readily available concrete as an aggregate source for new concrete or other appli ions. According to a 2004 FHWA study, 38 states recycle concrete as an aggregate base; 11 recycle it into new portland cement concrete
Test results showed that the compressive strength of recycled concrete up to 30% coarse aggregate replacement C. A. R. by demolished waste at the end of 28 d has been found to be comparable to
inside of waste concrete scraps immersed in water were used to reproduce the coarse aggregate. This research collected the recycled coarse aggregate from waste concrete. As the result, it is found that the coarse aggregates reproduced by electrical pulsed discharge energy of 640kJ have the enough qualities of the bone-dry density and the
Since the enormous quantity of concrete is available for recycling from demolished concrete structures, field demolished concrete is used in the present study to produce the recycled aggregates. The concrete debris were collected from different four sources with the age ranging from 2 to 40 years old and broken into the pieces of
Waste Coconut Shells as Aggregates in Concrete Mixture”, Journal of Engineering Science and Technology Review 6 5 2013 7-14 6 Amaranth Yerramala, Ramchandrudu C, “ Propertise of concrete with coconut shell as Aggregate replacement”, ISSN: 2278-7461, www.ijeijournal.com Volume 1, Issue 6 October2012 PP: 21-31
The acquisition of fine natural aggregates and the dumping of the fine fraction of construction and demolition waste are two serious environmental problems that can be solved simultaneously by using FRA in concrete production, a subject that is lagging behind the use of the corresponding coarse fraction.
The E- waste material is calculated on weight basis as coarse aggregate in the conventional mix: The fineness modulus of coarse aggregate with various E- waste contents is observed as 6.9. The divided particle size is assumed to be between 10mm and 20mm. Then E- waste particles can be considered as partial coarse aggregates.
2.2 Ceramic Waste As partial Replacement for Course Aggregate Concrete Production 4 2.2.1 Properties of Ceramic Coarse Aggregates 5 2.2.2 Properties of Concrete That Were Made from Ceramic Waste Coarse Aggregate 6 2.2.3 Type Of Ceramic Waste 9 2.2.4 Other Appli ion of Ceramic waste substitution 9 2.3 Aggregates 10
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.
In this study, concrete mixes with fine and coarse aggregates recycled from fresh concrete waste as a substitution of natural aggregates are studied. Optimised design of experiment was used with two variables rates of fine aggregate replacement or of coarse aggregate replacement on the basis of identical composition.
Concrete recycling gains importance because it protects natural resources and eliminates the need for disposal by using the readily available concrete as an aggregate source for new concrete or other appli ions. According to a 2004 FHWA study, 38 states recycle concrete as an aggregate base; 11 recycle it into new portland cement concrete
inside of waste concrete scraps immersed in water were used to reproduce the coarse aggregate. This research collected the recycled coarse aggregate from waste concrete. As the result, it is found that the coarse aggregates reproduced by electrical pulsed discharge energy of 640kJ have the enough qualities of the bone-dry density and the
demolished waste as coarse aggregate 1. prepared by :-kishan thakkar ashish nagpal 2. demolished waste as coarse aggregate in concrete production 3. introduction as urbanization is increasing over time, the demand for new buildings and infrastructure has sharply risen.
The acquisition of fine natural aggregates and the dumping of the fine fraction of construction and demolition waste are two serious environmental problems that can be solved simultaneously by using FRA in concrete production, a subject that is lagging behind the use of the corresponding coarse fraction.
The E- waste material is calculated on weight basis as coarse aggregate in the conventional mix: The fineness modulus of coarse aggregate with various E- waste contents is observed as 6.9. The divided particle size is assumed to be between 10mm and 20mm. Then E- waste particles can be considered as partial coarse aggregates.
The Waste Framework Directive 2008/98/EC aims to have 70% of C and DW recycled by 2020. However, except for a few EU countries, only about 50% of C and DW is currently being recycled. In the present research, the environmental impact of concrete with recycled aggregates and with geo mixtures is analysed.
2.2 Ceramic Waste As partial Replacement for Course Aggregate Concrete Production 4 2.2.1 Properties of Ceramic Coarse Aggregates 5 2.2.2 Properties of Concrete That Were Made from Ceramic Waste Coarse Aggregate 6 2.2.3 Type Of Ceramic Waste 9 2.2.4 Other Appli ion of Ceramic waste substitution 9 2.3 Aggregates 10
reusing of Demolished Concrete Aggregate DCA and introduction of Steel Fiber SF from the lath wastages are replacing as coarse aggregate in concrete of different percentages 40, 50, 60 DCA and 1% of steel fiber lathe waste to minimize the generation of demolished building wastes. The replacement of Demolished Concrete Aggregate DCA and
this experimental study, the utilization of building demolished waste in the manufacturing of Porous concrete as a replacement of coarse aggregate. The mechanical properties of the concrete have been investigated for nominal mix and mix design as per the mix design codes IS 10262-2009 and IS12727:1989.
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.
Concrete recycling gains importance because it protects natural resources and eliminates the need for disposal by using the readily available concrete as an aggregate source for new concrete or other appli ions. According to a 2004 FHWA study, 38 states recycle concrete as an aggregate base; 11 recycle it into new portland cement concrete
Recycling of demolished concrete waste as coarse aggregate for new construction works. Dr Md Tarek Uddin To produce such a huge volume of concrete, we need 14 billion tonnes of natural aggregate.
The objective of this research is to study the influence of concrete waste content as a partial replacement of coarse aggregate for the properties of concrete containing paper waste as an additional material, which may produce a substitute solution for waste removal. 2. Properties of components and mixtures proportions
Concrete is a mixture of different waste material like binder cement , fine aggregate, coarse aggregate and water. Normal practice of concreting is batching of this common material, mixing of material, transporting of concrete mixture of all raw
The acquisition of fine natural aggregates and the dumping of the fine fraction of construction and demolition waste are two serious environmental problems that can be solved simultaneously by using FRA in concrete production, a subject that is lagging behind the use of the corresponding coarse fraction.
The Waste Framework Directive 2008/98/EC aims to have 70% of C and DW recycled by 2020. However, except for a few EU countries, only about 50% of C and DW is currently being recycled. In the present research, the environmental impact of concrete with recycled aggregates and with geo mixtures is analysed.
coarse aggregate is replaced beyond 20 % of E- waste. 8. Conclusion This study intended to find the effective ways to reutilize the hard plastic waste particles as coarse aggregate. It is also observed that the compressive strength of concrete is found to be optimum when coarse aggregate is replaced by 20% with E-Waste.
reusing of Demolished Concrete Aggregate DCA and introduction of Steel Fiber SF from the lath wastages are replacing as coarse aggregate in concrete of different percentages 40, 50, 60 DCA and 1% of steel fiber lathe waste to minimize the generation of demolished building wastes. The replacement of Demolished Concrete Aggregate DCA and
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.
this experimental study, the utilization of building demolished waste in the manufacturing of Porous concrete as a replacement of coarse aggregate. The mechanical properties of the concrete have been investigated for nominal mix and mix design as per the mix design codes IS 10262-2009 and IS12727:1989.
Concrete is a mixture of different waste material like binder cement , fine aggregate, coarse aggregate and water. Normal practice of concreting is batching of this common material, mixing of material, transporting of concrete mixture of all raw
coarse aggregate is replaced beyond 20 % of E- waste. 8. Conclusion This study intended to find the effective ways to reutilize the hard plastic waste particles as coarse aggregate. It is also observed that the compressive strength of concrete is found to be optimum when coarse aggregate is replaced by 20% with E-Waste.
The Waste Framework Directive 2008/98/EC aims to have 70% of C and DW recycled by 2020. However, except for a few EU countries, only about 50% of C and DW is currently being recycled. In the present research, the environmental impact of concrete with recycled aggregates and with geo mixtures is analysed.
Rubber Tire waste: Discarded vehicle tires constitute one important part of solid waste which had historically beendisposed of into landfills. An emerging use is the production of concrete, in which tyre rubber particles partially replacenatural aggregates.
2016 . Wood waste as coarse aggregate in the production of concrete. European Journal of Environmental and Civil Engineering: Vol. 20, No. 2, pp. 125-141.
g Concrete using Goldmines waste coarse aggregate is resistant to chloride attack after immersion for a period of 28 days h As per cost analyses, concrete using GMW coarse aggregates is economical than concrete using local coarse aggregates, the more economy can be achieved if it is used nearby Hutti goldmines Raichur.
The Use of Ceramic Tile Waste as Aggregate in Concrete The reference concrete mix was made withconventional coarse and fine aggregates crushed stone and natural sand . Five mixes were prepared incorporatingcoarse ceramic aggregate as partial substitute of coarse aggregate with replacement levels of 10%, 20%, 30%, 40%, and 50%.
Casting Concrete With Recycled Plastic Aggregate: One of the biggest challenges with recycling is plastic. There& 39;s not much of a market for scrap plastic, so the profit margins on processing and reselling it are slim. When oil prices dip, it becomes cheaper to make new plastic than to recycle exist…
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.
this experimental study, the utilization of building demolished waste in the manufacturing of Porous concrete as a replacement of coarse aggregate. The mechanical properties of the concrete have been investigated for nominal mix and mix design as per the mix design codes IS 10262-2009 and IS12727:1989.
Waste brick was used to replace natural aggregate after being treated, called recycled coarse aggregate RA . Furthermore, fly ash was used as 0, 10%, 15%, and 20% by weight replacements of cement. Workability was evaluated through slump and cohesiveness testing, and results implied that the concrete samples showed good workability except the
At present, the global output of construction waste, particularly waste concrete, has reached alarming levels. For instance, the annual output of China’s construction and demolition waste is a staggering 1.8 billion metric tonnes, while the recycling rate is less than 10%.
Concrete is a mixture of different waste material like binder cement , fine aggregate, coarse aggregate and water. Normal practice of concreting is batching of this common material, mixing of material, transporting of concrete mixture of all raw
fine aggregate and coarse aggregate to produce the concrete composites. Standard concrete mix design of M-25 and 0.50 w/c ratio was used for the experiment. Four weight fractions 0%, 4% and 8% of shredded plastic waste were used to replace the fine aggregate in the batching. The concrete mixture was tested for slump; cast
coarse aggregate is replaced beyond 20 % of E- waste. 8. Conclusion This study intended to find the effective ways to reutilize the hard plastic waste particles as coarse aggregate. It is also observed that the compressive strength of concrete is found to be optimum when coarse aggregate is replaced by 20% with E-Waste.
resulting concrete. This behaviour is dependent on PET-aggregate’s shape and is maximised for concrete containing coarse, flaky PET-aggregate. The splitting tensile and flexural strength characteristics are proportional to the loss in compressive strength of concrete containing plastic aggregates. Keywords: waste PET bottle, aggregate
Rubber Tire waste: Discarded vehicle tires constitute one important part of solid waste which had historically beendisposed of into landfills. An emerging use is the production of concrete, in which tyre rubber particles partially replacenatural aggregates.
substitute for aggregate in the production of the concrete. Previous Studies As industrial waste material, one such alternative is OPS, which is a form of agricultural solid waste. OPS can be used as coarse aggregate on producing lightweight concrete. OPS concrete has higher porosity in itself due to higher water absorption 5 .
