A Comprehensive Review on Recycled Aggregate and …
This study provides a comprehensive review on recycled aggregate (RA) and recycled aggregate concrete (RAC) regarding their history, recycling, reuse and …
Use of recycled concrete aggregate in high strength …
concrete by using various proportions of recycled coarse aggregates 0, 50% and along with PP fibres 0, 0.2, 0.3 and 0.4% by volume of concrete. The parameters of investigation include tests on workability compressive flexural and indirect tensile strengths and modulus of elasticity. It is observed that the workability
Review Paper on Performance Characteristics of …
The compressive strength performance of Natural Coarse Aggregate Concrete (NAC) and Recycled Aggregate Concrete (RAC) is compared by Ajitha, Madan Mohan Reddy, K., and Bhavani, R. B. The studies employed M20 mix with a selected w/c ratio of …
Utilisation of solid waste polyurethane as coarse aggregate …
Natural coarse aggregates used in concrete are expensive and require excavation, which affects the environment. ... India. As seen in Fig. 2, a manufacturer supplied waste-disposed panels and scraps that were later processed into coarse particles in a recycling PU laboratory. The size of waste PU (4.75–20 mm) was used in concrete ...
Glass Wastes as Coarse Aggregate in Concrete
Coarse Aggregate Coarse aggregate are the crushed stone used for making concrete. The commercial stone is quarried, crushed and graded. Much of the crushed stone used is granite, limestone and trap rock. Crushed angular granite metal of 10 mm size from a local source was used as coarse aggregate. The specific gravity of 2.6 and fineness modulus ...
Recycled Plastics as Coarse Aggregate for Structural Concrete
In the present study the recycled plastics were used to prepare the coarse aggregates thereby providing a sustainable option to deal with the plastic waste [10]. There are many recycling plants across the world, but as plastics are recycled they lose their strength with the number of recycling. So these plastics will end up as earth fill.
Use Of Recycled Aggregate In Concrete – IJERT
In general, present status of recycled aggregate in India along with its future need and its successful utilization are discussed here. INTRODUCTION. Prelude Need for Recycled Aggregate:- ... It is found that recycled coarse aggregate are reduced to various sizes during the process of crushing and sieving, which gives the best particle size ...
(PDF) Concrete using recycled aggregates
The results reveal that recycled concrete with 50% replacement of natural coarse aggregates with recycled or reclaimed aggregates can have adequate fresh and hardened properties.
Comprehensive Review Of Recycled Aggregate Concrete In …
Hamad, B.S., Dawi., A.H. (2017) "Sustainable normal and High Strength recycled aggregate Concrete using crushed tested cylinders as coarse aggregates" Case Studies in Construction Materials, 7, 228–239. Schoppe, B. M. (2011). Shrinkage and modulus of elasticity in concrete with recycled aggregates.
Recycled Plastics as Coarse Aggregate for Structural …
Recycled Plastics as Coarse Aggregate for Structural Concrete Praveen Mathew1, Shibi Varghese2, ... Kerala, India3 Assistant Professor, Department of Civil Engineering, M. A. college of Engineering, Kothamangalam, Kerala, India4 Abstract: The use of plastic is increasing day by day, although steps were taken to reduce its consumption. This creates
Experimental Study on Partially Replacement of Coarse …
Coarse Aggregate by Rubber Tyre 1Vaishali Kesalkar,2Sanket Awaghane,3 ... Each year, India produces almost 1 billion waste tyres, or about one tyre per individual. ... T R MORE,et.al.(2015):The findings demonstrate show that adding recycled crumb rubber aggregates to a standard concrete mix reduces the workability of the various mix samples. ...
CIVIL PROJECT PPT RECYCLED AGGREGATE CONCRETE
This paper reports the basic properties of recycled fine aggregate and recycled coarse aggregate & also compares these properties with natural aggregates. Basic changes in all aggregate properties are determined and their effects on concreting work are discussed at length. Similarly the properties of recycled aggregate concrete are also determined.
Partial Replacement of Coarse Aggregate with …
for different combinations of recycled aggregate with natural aggregate. Code guidelines of recycled aggregates concrete in various countries are stated here with their effects, on concreting work. In general, the present status of recycled aggregate in India along with its future need and its successful utilization are discussed here. 6.
Approach to Design Sustainable Alkali-Activated Slag Recycled Aggregate …
The current study focuses on proposing a methodology to design sustainable GGBS-based alkali-activated concrete incorporated with coarse recycled coarse aggregates (RCA) recovered from construction and demolition (C&D), for various strengths by optimizing the mix proportions and verifying the same through experiments.
Use of recycled aggregate concrete in structural …
This article presents a comprehensive review on the use of recycled concrete aggregate (RCA) and recycled aggregate concrete (RAC) in construction, with emphasis on structural applications and identification of …
Recycling of Concrete (Recycling Coarse Aggregate)
Coarse Aggregate: The Coarse aggregate was used as Recycled coarse aggregate (RCA). The specific gravity of the RCA was 2.30. The Fineness modulus was 3.67 Fine Aggregate: Natural river sand was used as fine aggregate. The Specific gravity of …
Use of recycled aggregate concrete in structural …
Notable examples include studies on: recycled concrete aggregate properties with amounts of old adhered mortars (Duan and Poon Citation 2014), the current status on the use of recycled aggregates in …
Treatment of Recycled Coarse Aggregate as Sustainable …
Indian Institute of Technology Kharagpur, India April, 2022. Recent Submissions. Treatment of Recycled Coarse Aggregate as Sustainable Construction Material Mistri, Abhijit (IIT …
Influence of Steel Slag Aggregate and Recycled Coarse Aggregate …
Annually, India generates approximately 150 million tons of construction and demolition waste materials. Concrete continues to stand as the primary preference for most structures, out of the various construction materials available. ... The particle sizes distribution to be studied on recycled coarse aggregate which was obtained from the ...
Simulation on Compressive Property of Concrete with Large-Size Recycled
The uniaxial compression behavior of concrete with 0.98 to 3.15 in. (25 to 80 mm) large-size recycled coarse aggregate (LRCA) was numerically studied. ... ACI World Headquarters 38800 Country Club Dr. Farmington Hills, MI 48331-3439 USA Phone: 1.248.848.3800 Fax: 1.248.848.3701. ACI Middle East Regional Office
C&D waste recycling plants in India
Contrary to this, C&D waste reuse and recycling rates in the European Union, USA, and Singapore are 79%, 70%, and 90%, respectively and the number of C&D waste recycling plants in these is much ...
Examining the Influence of Recycled Aggregates on the …
This review examines the impact of recycled aggregates (RAs) on the fresh and mechanical properties of high-strength concrete (HSC). The results revealed that incorporating RAs can reduce the compressive strength of HSC by up to 25%, with strength values ranging …
Natural and Synthetic Fiber reinforced recycled aggregate …
Recycled aggregate Concrete (RAC) produced by crushing the existing concrete debris, comprises of adherence of cement mortar on its surface, which has the tendency to absorb higher water during the manufacturing process of aggregates [5].Higher water absorption characteristics of this RAC during the concrete mixing process, results in increasing the water …
A review of recycled aggregate in concrete applications …
The replacement of natural coarse aggregates with recycled coarse aggregates can be up to and the maximum strength class is C 50/50 for the RCA1 aggregate. 9.2.3.9. Spain. For the replacement ratio of 20% of natural aggregates, the allowed maximum water absorption is 7.0% for recycled aggregate (RA) and 4.5% for aggregate (NA).
Experimental investigation on the strength and durability …
Recycled coarse aggregate (RCA) was used at the 50% and levels by replacing natural coarse aggregate (NCA). In addition, 10% weight of cement was replaced in bacterial recycled aggregate concrete (BRAC) mixes with microsilica (MS) and metakaolin (MK). ... India. The specific gravity and specific surface area of MS was 2.63 and 18 m 2 /gm ...
AN EXPERIMENTAL INVESTIGATION USING RECYCLED COARSE AGGREGATE …
AN EXPERIMENTAL INVESTIGATION USING RECYCLED COARSE AGGREGATE AS AN ALTERNATIVE MATERIAL FOR SUSTAINABLE CONCRETE. June 2023; International Journal of Energy, Environment and Economics 29(4)
Use Of Recycled Aggregate In Concrete
properties of recycled fine aggregate and recycled coarse aggregate & also compares these properties with natural aggregates. Basic changes in all aggregate properties are determined and their effects on concreting ... Delhi, in India, 48million tons solid waste is produced out of which 14.5 million ton waste is produced from the construction ...
A Study on the Utilization of Coconut Shell as Coarse …
The possibility of utilizing recycled coconut shell aggregates in concrete as coarse aggregate is examined in the present study. An optimum percentage replacement of ... demand to find alternate materials that can be used as coarse aggregate in concrete. India produces about 20% of the coconut produced in the world. Within India, Kerala produces
Study of Properties of Concrete using GGBS and …
together with 50% replacement of recycled aggregates. From test results concrete with 40% and 50% replacement of cement with GGBS together with 50% replacement of recycled aggregates shows adequate strength compared to control mix. Keywords – Fine aggregate; Recycled Aggregates; Ground Granulated Blast Furnace Slag. I. INTRODUCTION
A Comprehensive Review on Recycled Aggregate and Recycled Aggregate …
A total of 600 testing results for coarse recycled concrete aggregate specimens were summarized. With a 95% probability of all the carbonation depths, the carbonation depth of the coarse recycled concrete aggregates can be up to 2.5 times of the corresponding NAC under the same condition. (1) C a (O H) 2 + C O 2 → C a C O 3 + H 2 O