Recycled Aggregate Ncrete Journals
Engineering Performance of Recycled Aggregate Concrete …
recycled co ncrete aggregate used on the ceiling strength . ... International Journal of Recent Advances in ... Recycled aggregate concrete is in close proximity to normal concrete in terms of ...
Modeling the chloride migration of recycled aggregate …
Journal of Cleaner Production. Volume 407, 25 June 2023, 136968. ... However, the durability of recycled aggregate concrete (RAC) and its resistance to harsh environmental conditions such as chloride penetration must be investigated before practical applications. The rapid chloride migration test (RCMT) is one of the well-established …
Use of recycled concrete aggregate in concrete: a review | Journal …
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 aggregate. In addition, the use of RCA leads to a possible solution to the environmental problem caused by concrete waste and reduces …
Use Of Recycled Aggregate In Concrete – IJERT
Use Of Recycled Aggregate In Concrete - written by Mr. Tushar R Sonawane, Dr. Sunil S. Pimplikar published on 2013/01/30 download full article with reference data and citations ... Use Of Recycled Aggregate In Concrete, INTERNATIONAL JOURNAL OF ENGINEERING RESEARCH & TECHNOLOGY …
RECYCLED CONCRETE AGGREGATES FOR RIGID PAVEMENTS…
with recycled concrete aggregate. ACI Materials Journal, 100(5), 371 ... Two sources of recycled aggregate (crushed concrete pavements from U.S. 23 and 1-75 projects in Michigan) and one source of ...
Sustainable building materials-recycled aggregate and …
Resource utilization of construction and demolition (C&D) waste has great potential to significantly reduce the consumption of natural resources and improve the …
A comprehensive review on the use of recycled concrete …
Fig. 10 shows concrete containing natural coarse aggregate and recycled brick coarse aggregate (Liu et al., 2021). Hence, the RCA's physical, chemical, and …
(PDF) Effect of sulphate attack on strength of recycled aggregate
Fast Setting Early Strength Self-Compacting Co ncrete" Journal of Pos itive School ... this study aimed to examine recycled aggregate concrete's fresh-state and mechanical behaviours by ...
Mechanical properties of recycled aggregate concrete
ARPN Journal of Engineering and Applied Sciences 11(19) ... For low percentages of recycled aggregate (25%) it can be obvious that this influence is practically negligible. ... aggregate co ncrete ...
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 …
Recycled Glass Concrete: Coarse and Fine …
Recycled waste glasses were used as coarse and fine aggregates replacement in concrete. Coarse aggregates were replaced with Green Bottles coarse aggregates at third, half, two thirds, and ...
Mix Design and Properties of Recycled Aggregate Concretes
This work is devoted to the study of fresh and hardened properties of concrete containing recycled gravel. Four formulations were studied, the concrete of reference and three concretes containing recycled gravel with 30, 65 and 100 % replacement ratios. All materials were formulated on the basis of S4 class of flowability …
Experimental study on recycled coarse aggregate of concrete
Recycled aggregate concrete (RAC) was lightweight, porous, and low-compressive. 1, 3, and 28-day recycled aggregate combinations were created. 28-day RA left samples inert and weak. ... J.W. Geus The properties of amorphous nano-silica synthesized by the dissolution of olivine Chemical Engineering Journal., 211 (2012), pp. …
Environmental evaluation of concrete made from recycled …
Journal of Building Engineering. Volume 5, March 2016, Pages 24-33. ... It is assumed that the water absorbed into the aggregate (recycled or not) will not affect the effective water. For both recycled (RC) and mixed (MC) 20-mm concrete samples, a superplasticizer admixture ...
(PDF) EXPERIMENTAL PERFORMANCE OF RECYCLED AGGREGATE …
For Recycled Co ncrete Aggregates (fo r brick), ... Concrete Aggregate In Concrete: A Review," Journal Of Civil . ... Studies on the use of recycled aggregate have been underway over 50 years. In ...
Sustainable Materials: A Review of Recycled Concrete …
In this paper, a comprehensive literature review was conducted on the utilization of recycled concrete aggregate (RCA), which is the dominant construction …
Effect of Aggregate Characteristics and Distribution on the …
Recycled concrete is a green material composed of natural aggregate and recycled aggregate mixed with cementing material and water in a certain ratio. The random distribution of aggregate in concrete has a great impact on material properties due to its supporting effect. In order to explore the characteristics of aggregate and the …
Alkali-aggregate reaction in recycled aggregate concrete
Using recycled concrete aggregate (RCA) to substitute original aggregate (OA) is of significance for sustainable development of construction materials. However, uncertainties remain with respect to the long-term durability of concrete containing RCA. ... Materials Journal, 100 (5) (2003), pp. 371-380. View in Scopus Google Scholar. …
Utilization of Completely Recycled Fine Aggregate for …
To reduce the cost of lightweight concrete (LWC) partition panels and to address recycling concrete waste, this work utilized completely recycled fine aggregate (CRFA) to replace the natural fine aggregate and ceramsite in the preparation of LWC and LWC partition panels. To this end, an autoclave-free curing process and an air …
(PDF) A REVIEW OF RECYCLED CONCRETE AGGREGATES …
Recycled concrete is characterised by replacing different percentages of natural coarse aggregate with recycled coarse aggregate (0, 20, 50 and ) and two different water-to-cement ratios .50 ...
Mechanical and Freeze-Thaw Durability Properties of Recycled Aggregate
The influence of recycled coarse aggregates (RCAs) on the fresh, hardened, and freeze-thaw durability properties of recycled aggregate concrete (RAC) is investigated in the research reported in this paper. Four different mixes were considered with natural aggregate and three different replacement levels of RCA [i.e., (1) 30%, (2) 40%, and (3) …
(PDF) A REVIEW OF RECYCLED CONCRETE …
IConET ech -2020 1. A REVIEW OF RECYCLED CONCRETE AG GREGATES. AS A SUSTAINABLE CONSTRUCTIO N MATERIAL. Rekha Ramp it 1*, Jovanca Sm ith 2and Indraj it Ray 3. 1,2,3 Faculty of …
Rheology and Permeability of Self‐Compacting Concretes with Recycled
In such consideration, recycled fine waste blue glass aggregate (RFWBG) had a particle size of 0–4 mm and a specific gravity of 2.58, while recycled coarse waste blue glass aggregate (RCWBG) was used with a particle size of 4–11.2 mm and a specific gravity of 2.62 (Figure 2). RBG's 24-hour absorption ability was insufficient and could be ...
Mix Design for Pervious Recycled Aggregate Concrete
The specific gravity of the natural aggregate was 2.65 and that for recycled concrete aggregate was 2.19 and 2.04 for 20 and 13 mm maximum size recycled concrete aggregate, respectively. The water absorption for 20 and 13 mm recycled concrete aggregates was 5.3 and 8.2 %, respectively, compared to 1.0 % for the natural aggregate.
HARDENED PROPERTIES OF RECYCLED AGGREGATE …
AL-MUKHTAR JOURNAL OF ENGINEERING RESEARCH ISSN online: ... durability properties of recycled aggregate co ncrete . ... The recycled aggregate concrete (RAC) was prepared by using 25%, 35% and 55% ...
Strength and Durability Evaluation of Recycled Aggregate …
This paper discusses the suitability of producing concrete with 100 % recycled aggregate to meet durability and strength requirements for different …
(PDF) Concrete using recycled aggregates
The recycled aggregate obtained from demolished concrete was angular, ... (2015), "Construction and Demolition Waste Management -A Review", International Journal of Advanced Science and Technology ...
Modeling and predicting chloride diffusion in recycled aggregate
Here P c denotes the area percentage of coarse aggregate with a size D less than D 0; P k represents the fraction of the total area occupied by aggregate pieces; D max is the maximum aggregate size. Note here that the aggregate size is defined as its effective circular diameter or the ellipse's short axis length [32].When P k and D max are …
Properties and Microstructure of Low-Strength Recycled …
Utilizing recycled concrete aggregate (RCA) is a countermeasure to address the scarcity of landfills and the depletion of natural aggregates. Surface modification techniques have been proposed and implemented to improve the properties of RCA; however, to our best knowledge, few investigations on improving RCA under various …
Strength Behaviour of Recycled Concrete with Partial …
The recycled aggregates used were classified into three different types according to their measured specific gravity and water absorption, namely, RG I for recycled coarse aggregate having a ...
Incorporating coarse and fine recycled aggregates …
Concrete waste (CW) recycling stands as a promising strategy to promote sustainable construction practices. This research aims to assess the feasibility of using recycled concrete aggregates (RCA) …
Recycled construction and demolition concrete waste as aggregate …
Three types of aggregates were used in this study which include natural sand as fine aggregate (NFA), coarse aggregates with grading of 4.75–20 mm were dolomite as natural (NCA) and the crushed concrete rubble as (RCA) which were collected from fifteen different sources of demolished buildings and landfill locations then crushed using a …
Recycled Concrete Aggregates: A Review | International …
Compressive strength of RCA concrete can be influenced by the properties and amount of recycled aggregate. Several factors can influence the compressive strength in RCA concrete, including the water/cement (w/c) ratio, the percentage of coarse aggregate replaced with RCA, and the …
Strength and Durability Performance of Recycled Aggregate …
AbstractThe present study illustrates the susceptibility of optimized-quality recycled concrete aggregate (RCA) to supplementary cementitious materials (SCMs), such as silica fume (SF), ground granulated blast slag (GGBS), and mechanically produced ...Practical ApplicationsAbout 20% to 30% of recycled fines (M-Fines) below …
Enhancing Concrete Sustainability: A Critical Review of Recycled …
10. Dillmann T. Concrete with recycled concrete aggregate. Proceedings of International Symposium on Sustainable Construction; Use of Recycled Aggregate Concrete. University of Dundee, Scotland. 1998, November. pp. 239–253. 11. Awchat GD, Kanhe NM. Experimental studies on polymer modified steel fibre reinforced recycled aggregate …
Durability Performance of Recycled Aggregate Geopolymer …
The construction industry must adopt a sustainable and environmentally friendly approach because it heavily relies on natural resources. To tackle this issue, the utilization of industrial by-products such as fly ash (FA), ground granulated blast furnace slag (GGBS), and recycled aggregates (RAs) from building demolition waste has …