As stone dust has acceptable properties of a fine aggregate sand with regard to shape and texture, it can be thought of as an alternate fine aggregate but research is needed on the extent of sand ...
This study aimed to determine the effect of using nickel slag as an alternative aggregate for high-performance concrete. To achieve the aim, nickel slag aggregate with …
Keywords such as "green concrete", "alternative sustainable coarse aggregate", or "alternative sustainable fine aggregate" have been used and the results have been crossed with key terms like waste and recycled. The …
Materials like banana fibers and CSs, which are up to 80% recyclable, emerge as environmentally friendly alternatives to traditional aggregates. Moreover, ... P.B. XRD analysis …
The urgent need to find fine aggregate alternatives (FAA) came considering high demand of natural sand (NS) that is an imperative option as natural fine aggregates that …
In order to reduce both these problems, an eco-friendly solution using sea sand and crushed sand as alternative fine aggregate in geopolymer concrete (GPC) is proposed. In this study, an M40 grade GPC with fly ash and Ground Granulated Blast Furnace Slag as binder and a combination of hydroxide and silicates of sodium is used as reaction liquid.
WGP was used to replace the cement and fine aggregate in concrete, yielding products with respective cement contents of 10.0% and 15% and fine aggregate contents of 15.0% and 20%, and the ...
This experimental study aimed to design a mixture of crushed concrete debris as alternative fine aggregate for architectural finishing mortar. A conventional mortar was compared to concrete debris of the same proportions. Observations from the tests performed were conducted in the laboratory where precise data were gathered and completely attained.
sustainability in construction industry, the use of alternate materials should be focused with comprehensive approach. Fine aggregate is an essential material in the concrete production. From many decades, river sand is used as fine aggregate but dredging of sand from river beds is adversely affecting environment across the world.
In this study, ground glass powder and crushed waste glass were used to replace coarse and fine aggregates. Within the scope of the study, fine aggregate (FA) and coarse aggregate (CA) were ...
The results showed the possibility of using crushed glass wastes in concrete as a good alternative to fine aggregates, up to 30%. ... The fine aggregate was replaced by waste glass as (0-40%) with ...
Study indicated that maximum replacement of conventional fine aggregate with bottom ash for preparation of OPC based concrete shall not exceed 50% by weight of total fine aggregate and fineness ...
Fine aggregates showed the highest number of alternatives and replacement level, with the relevant impact on concrete properties; coarse aggregates, however, always reach a complete replacement, with the …
To investigate the effects of brick fine aggregate (BFA) as an alternative to natural sand, brick fine aggregates (denoted as S1, S2, and S3) were acquired from three distinct sources near Dhaka to make concrete …
Crushed rock sand (CRS), industrial by-products (IBP) and recycled fine aggregates (RFA) are different types of alternative fine aggregates. The economic, sustainability and social benefits increases utilizing into concrete.
By using this much volume of natural aggregates by keeping in mind and to saving natural materials for future generations, the present research is mainly focusing the replacing natural aggregates ...
alternative fine aggregates for concrete and mortar: a brief review on river sand substitutions, ... Fine aggregate is a granular material, a cementing . hydraulic medium used as a constituent of ...
Concrete is the most commonly used material in the construction industry, with concrete aggregates accounting for 75 percent of the volume. Due to their primary consumption, natural aggregates are subject to depletion, leading to environmental problems. Therefore is an urgent need to develop or manufacture aggregates. This paper critically reviews the available …
Fine aggregate commonly known as sand is an inert material widely used for construction works. From concrete production to mortar, asphalt, and even t. ... It is often used as an alternative to natural sand, especially in regions …
the cost of concrete as an alternative fine aggregate and that recycle bottles are not a useful alternative of fine aggregates for structural elements such as columns, beams, and suspended plates. Another researcher was investigated groundnut as a replacement to fine aggregates. They found that the use of
ABSTRACT Construction industries around the world are facing many difficulties in obtaining good-quality fine aggregates for concrete and mortar due to a shortage of river sand. This problem leads the researchers to find possible alternatives to replace river sand in construction. A brief review has been carried out to identify the alternatives suggested by researchers, merits and …
This study aimed to explore the possibility of utilizing crushed glass as an alternative fine aggregate for concrete by replacing concrete with crushed glass. Specifically, the study sought to assess whether there is a significant correlation between crushed glass volume in concrete and its compressive strength and also between sand volume in ...
As a result, there was an immediate requirement for alternatives to river sand such as manufacturing sand which is prominently used as alternative material. An experimental study is made on the strength aspects of cement mortar by …
The non-availability or shortage of fine aggregate will affect the construction industry, hence there is a need to find the new alternative material to replace the fine aggregate, such that harm ...
The drying shrinkage of the mortar compositions with alternative fine aggregate combinations was determined at various curing ages; the results are presented in Fig. 8. Almost 80% of the total shrinkage at 56 days occurred in the first 14 days of measuring, mainly due to water loss through hydration and drying . Mix M4 with FCS + MT as ...
Two types of tire rubber, crumb rubber and tire chips, were used as fine and coarse aggregate, respectively, in the production of rubberized concrete mixtures which were obtained by partially ...
The same type of materials like Ambo Sandstone Fine Aggregate can be taken. However, the process of extracting the fine aggregates from these sites provides the cheapest cost of materials as compared with the river sand. In other words, the true cost of aggregate material is influenced by various factors such as production and transportation ...
Fine aggregate is a granular material, a cementing hydraulic medium used as a constituent of concrete and mortar. ... Pertinence of alternative fine aggregate .... Search in: Advanced search. Australian Journal of Civil Engineering Volume 20, 2022 - Issue 2. Submit an article Journal homepage. 727 Views ...
Based on the reviewed literature, concrete containing coconut shell as coarse aggregate with normal sand as fine showed the 28-day compressive strength between 2 and 36 MPa with the dried density ...
Alternative materials for coarse aggregate in concrete can be rubber, glass, expanded fly ash clay, or plastic materials. On the other hand, agro-wastes, to industrial by-products, alternative materials for fine aggregate in concrete can be of a wide variety.
alternate fine aggregate but research is needed on the extent of sand replacement by stone dust. Here a study is done on stone dust as a partial replacement of sand by stone dust. The present ...
Alternative fine aggregates are sustainable solution to constructions. • MBV test is an effective method for suitability assessment of alternative fine aggregates. • The standard correlation curve developed for prediction of clay content. • MBV greater than or equal to 1.50 is not suitable for preparing concrete.
Among the identified seven fine aggregate alternatives, in both the methods, the alternative foundry sand has performed better by 116% more than the natural sand. This proved to be the priority among the aggregates investigated. The developed approach facilitates decision-makers in selecting the best alternative.
Utilizing these alternative fine aggregates can be utilized to ensure a circular economy in construction industries and reduce the consumption of around 30% of natural river …
This study explores the potential of using Jhama Brick Dust (JBD) as a substitute for fine aggregate in concrete. Jhama bricks, which are over-burnt bricks, often considered …
Concrete and mortar specimens were made with different variables, such as replacement volume of natural sand with different alternative fine aggregates, water-to-cement ratio (W/C), and sand-to ...
The amount of cement was utilized less, and by controlling the design mix with a targeted flow, low-strength material was produced. Three different cement contents (60, 80, and 100 kg / m 3) and mine tailings or incinerated bottom ash were used as fine aggregate material. Fresh properties of different CLSM mixes, mechanical performance ...
According to Jared Robert Wright (published in: Concrete performance analysis, including recycled glass as a fine alternative aggregate, 2012) one of the main problems of glass concrete is the alkaline reaction of silicon (ASR silica in glass will produce silica gel due to It reacts chemically with hydroxide ions in cement. As this gel ...
In their study, Rifa et al. presented a detailed review of RA as an alternative to natural fine aggregate. Thus, they suggested that using RA has significant effects due to the impact of river sand mining on river banks and that replacing natural fine aggregate with 5–25% RA is better in terms of sorptivity (Rifa et al., 2023).