Recycled Concretes Made with Waste Ready-Mix Concrete as Coarse Aggregate
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.
Waste Glass as Coarse Aggregate for Concrete | Semantic Scholar
The paper reports on the performance of 34 different concrete mixes containing glass crushed to ¾-in. (19-mm) maximum size as coarse aggregate and six reference mixes made with gravel of the same size. Two cements of alkali equivalent 0.58 and 1.13, classifiable as low and high alkali (ASTM C 150-72), in amounts ranging from 400–900 …
High-quality coarse aggregate recycling from waste concrete by …
These results suggest that liberating the mortar by particle impacting can recycle high-quality coarse aggregates from waste concrete. This study presents a …
Using Recycled Concrete as a Replacement for Coarse Aggregate …
The mix design was done by weight for better concrete workability. As stated, the increase in ceramic waste coarse aggregate replacement in concrete, decreases the compressive strength values. At replacement the compressive strength was found to be 32.15 MPa, which is more than the design target value –mean value- of the M20 …
Partial Replacement of E-plastic Waste as Coarse-Aggregate in Concrete
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. Compressive strength, Tensile strength and Flexural strength Concrete with and without E- waste …
Partial Replacement of Coarse Aggregate by Waste …
Khaloo AR. Crushed tile coarse aggregate concrete. Cem. Concrete Aggregate 1995; 17(2): 119-125 [5] Medina C, M.I Sanchez de Rojas and M.Frias, "Reuse of sanitary ceramic waste as coarse aggregate in eco …
Effect of Crushing Method on the Properties of Produced …
Construction and Demolition Waste (C&DW) is generated around the world and its quantity will increase in the future. Recycling has become the favored method of dealing with concrete waste but, to avoid its downcycling, it is important to develop a recycling process which is able to produce high-grade recycled concrete aggregates …
Recycling of ceramic tiles waste and marble waste in sustainable
As per the findings of Kabir, the concrete prepared with ceramic tiles waste coarse aggregates developed increased strength values, i.e., compressive strength up to 26% and tensile strength up to 33% on 14 days of curing. Moreover, the crushing and impact values were also improved with use of ceramic tiles waste aggregates in concrete.
Ceramic Waste as Coarse Aggregate in Concrete
Test results indicate that the workability of ceramic waste coarse aggregate concrete is good and the strength characteristics are comparable to those of the conventional concrete.
Recycled Aggregate: A Viable Solution for Sustainable Concrete
2.1. Application in Concrete. C&DW can be used in concrete as coarse/fine aggregate and a finely ground material (i.e., filler). Concerning aggregate, Robalo et al. [] observed that replacing NA with C&DW progressively increases the water or superplasticizer admixture to keep the workability of concrete due to the high porosity and water …
Properties of Papercrete Concrete Containing Crushed Concrete …
This research evaluates the possibility of using concrete waste as partial replacement with coarse aggregate in Papercrete, and its effect on some concrete …
Sustainable Use of Waste Material as Coarse …
Concrete made with ceramic electrical insulator waste as coarse aggregate shows good workability, compressive, tensile and flexural strengths and modulus of elasticity.
Effect of ceramic tile waste on strength parameters of concrete-a
Ceramic waste can be used in concrete to improve its strength and other durability factors. In this review, the study is focused on the conduct of concrete made with the replacement of coarse aggregate with waste made from ceramic tile. Ceramic waste can be used as a partial replacement of coarse aggregate to achieve different …
Engineering Properties of Concrete with Waste Recycled Plastic: …
Presently, different types of waste materials and industrial byproducts such as recycled concrete aggregate, glass, ceramic, fly ash, slag, etc., are being used with and without natural aggregates and ordinary Portland Cement (OPC), not only in traditional construction but also in digital construction like 3D printing [1,2,3].It has been shown that the …
Mechanical behavior and constitutive relationship of the
Fine aggregate was medium size sand obtained from natural river sand, and meanwhile, running water was used. Natural coarse aggregate was obtained from natural stones, and the recycled coarse aggregate was waste concrete from a highway construction site in Nanning, Guangxi Province, PRC.
Utilisation of Waste Plastics as a Partial Replacement of Coarse
Vanitha et al., [6], investigated the use of plastic waste as a substitute for coarse aggregate in M20 concrete grade using 0-10% replacement with a 2% increment. The optimal concrete compressive ...
E-Plastic Waste Use as Coarse-Aggregate in Concrete
This chapter discusses the composition of common e-plastics used in concrete, their properties, and behavior of concrete made with partial replacement of …
Crystals | Free Full-Text | Use of Recycled Concrete Aggregates …
Recycled concrete aggregates (RCA) are used in existing green building composites to promote the environmental preservation of natural coarse aggregates (NCA). Besides, the use of RCA leads to potential solutions to the social and economic problems caused by concrete waste. It is found that insufficient information on the …
(PDF) CONCRETE USING RECYCLED E-WASTE : A REVIEW
M25 Concrete is often prepared for conventional specimens without using E-waste aggregates. The results and effect of concrete's physical and mechanical properties have been studied. Discover the ...
Review Paper on E-Waste in Concrete as A Replacement of Fine and Coarse
The present study is focused on replacing conventional coarse aggregate ranging from 0 to 12.5% with e-waste plastic for M 20 grade concrete using manufacturing sand.
Cost-benefit analysis of the production of ready-mixed high …
Denoted as CC, crushed concrete is produced from the processed concrete waste and the coarse portion of it is separated since it is regarded as an aggregate product and is known as RCA (Manzi et al., 2017). On the other hand, the fine portion of the product is known as fine recycled concrete aggregate and is abbreviated as FRCA.
Recycled aggregates from construction and demolition waste …
In this study, an effort has been made to develop a low-carbon recycled aggregate concrete by utilizing carbonation treated recycled coarse concrete aggregate (CRCCA) in place of natural ...
E-Plastic Waste Use as Coarse-Aggregate in Concrete
The mechanical properties of e-plastic concrete depend on e-plastic type, replacement proportion, and mix design. Aggregates are estimated to occupy between 70 and 80% of the volume of concrete (Alexander and Mindess 2010).Therefore, on a microscopic level, concrete can be considered as a two-phase material, consisting of …
Experimental Investigation of Properties of Concrete Containing
This research focused on investigating the effects of recycled aggregates on the material properties of concrete and the structural performance of reinforced concrete beams. Two different sources of recycled aggregates, crushed red bricks and demolished concrete, collected from local construction and demolition wastes, were analysed. The …
An Experimental Study on Concrete with Waste Coconut
The current research has used coconut shell waste in concrete as a partial replacement for coarse aggregate in various percentages, i.e., at 25% coconut shell with 0%SAP, 25% Coconut shell with 0. ...
Concrete with ceramic waste aggregate
Six ceramic waste coarse aggregate concrete mixes were designed by the volumetric method with different water–cement ratios (0.35, 0.40, 0.45, 0.50, 0.55 and 0.60). Similarly, six more conventional concrete mixes were designed with crushed stone coarse aggregate. The volume of individual ingredients was the same in both the ceramic waste ...
Eco-friendly concrete with waste ceramic tile as coarse aggregate
This study investigates the use of waste ceramic tiles as coarse aggregates in concrete at replacement levels of 0, 10, 20, 30, 50, and by weight …
Frontiers | Sustainable usage of demolished concrete waste as a …
The old concrete waste aggregates were used to replace the new or fresh aggregates in a range from 0% to by weight. When demolished concrete waste aggregates were used instead of new aggregates, the water absorption went up from 1.58 to 4.65%. ... Coarse or fine recycled concrete aggregates or recycled mortar produced …
Strength characteristics of concrete using coconut shell as a coarse
The coconut shells can be used in place of natural coarse aggregate. The influence of replacing natural coarse aggregate with coconut shell at 0%, 10%, 20%, and 30% by weight on the compressive strength of M-30 grade concrete was studied. Coconut shell concrete's compressive strength was evaluated for seven, fourteen, and twenty …
Concrete with Organic Waste Materials as Aggregate …
The coarse aggregate grade was between 4 mm and 10 mm in diameter for the granules. The waste materials replacing sand (see Section 2.1) are readily available without the need for further processing, with a particle size of less than 4 mm. A constant water-to-cement ratio of 0.45 was used in all concrete mixes.