Utilizing waste rocks from phosphate mining in Jordan as concrete …
As populations grow and urban development accelerates, the construction sector's reliance on natural rock extraction is expected to increase to meet the annual concrete demand, predicted at around 25 billion tons [10].In addition, coarse aggregates make up the majority of concrete volume, resulting in significant aggregate demand …
SUITABILITY OF BURNT AND CRUSHED COW BONES AS …
SUITABILITY OF BURNT AND CRUSHED COW BONES AS PARTIAL REPLACEMENT FOR FINE AGGREGATE IN CONCRETE, N. M. Ogarekpe, et al Nigerian Journal of Technology Vol. 36, No. 3, July 2017 688 over the cross ...
Investigation on the Suitability of Jarofix as a Fine Aggregate
2.2 Mix Optimization and Casting of Blocks. Concrete mixes (1:4:8) were prepared with river sand and jarofix as fine aggregates. Mixes are designated as JC0, JC1, JC2, JC3 and JC4 based on the replacement levels of fine aggregate with jarofix varying from 0%, 10%, 20%, 30% and 40% respectively.
CONCRETE NZ READYMIX TECHNICAL NOTE 3 WATER …
With sources of natural river run concrete aggregates diminishing, quarried aggregates are now used in the majority of ready mix plants and the risks associated with the use of …
Sand: The Fine Aggregate | SpringerLink
Properties of fine aggregate (sand) affect concrete properties such as durability, strength, thermal properties, unit weight, and surface friction. River sand …
Suitability of Ambo Sandstone Fine Aggregate as an …
evaluate the suitability of Ambo Sandstone Fine Aggregate (ASFA) as an alternative replacement of river sand in normal concrete production. Samples extracted from Senkele and Aleltu quarry sites ...
Alternative fine aggregates in production of sustainable concrete …
The need for raw materials in construction will be doubled by 2030 (Singh et al., 2018). Mining of sand from riverbed or quarries prompting to environmental disparities and becoming an inflated material (Kirthika et al., 2019). ... Suitability of sustainable sand for concrete manufacturing - A complete review of recycled and desert sand ...
A systematic comparison of performance of recycled concrete fine …
Uncontrolled sand mining results in erosion of riverbanks, sinking deltas, and damaging the biodiversity. ... the use of alternative fine aggregates to river sand in concrete is a better solution to address excessive river sand mining as well as fulfil the present demand of fine aggregates in the construction sector [1]. Earlier studies ...
Suitability of Ambo Sandstone Fine Aggregate as an …
DOI: 10.12691/AJCEA-6-4-2 Corpus ID: 55263044; Suitability of Ambo Sandstone Fine Aggregate as an Alternative River Sand Replacement in Normal Concrete Production @article{Ararsa2018SuitabilityOA, title={Suitability of Ambo Sandstone Fine Aggregate as an Alternative River Sand Replacement in Normal Concrete Production}, …
Seashells and Oyster Shells: Biobased Fine Aggregates in Concrete
However, natural sand production is a slow process and sand is now consumed at a faster pace than it's replenished. One way to reduce consumption of sand is to use alternative materials in the concrete industry. This paper reports the exploratory study on the suitability of aquaculture byproducts as fine aggregates in concrete mixtures.
Suitability of manufactured sand (M-Sand) as fine …
Compressive strength of M20 and M30 grade concretes with M-sand as fine aggregate is 6 – 9% higher when compared with the results using river sand as fine aggregate. Flexure …
Suitability of Desert Sand for Concrete Production
4.2 Objectives The Aims will be achieved through the following objectives: • Casting of cubic, cylindrical and prismatic samples from multiple concrete mixes with desert sand replacing traditional fine aggregate (river sand) by volume, • Carrying out compressive strength tests on 7 and 28 days old cube samples, • Carrying out splitting ...
(PDF) The Suitability of Using Laterite as Sole Fine Aggregate …
This study investigates the suitability of laterite as sole fine aggregate in place of sand, and specifically seeks to determine whether laterized concrete would …
Chapter 10 Sand: The Fine Aggregate
Different types of aggregates such as sand, gravel, and crushed stone are com-monly combined with binding media to form concrete, mortar, and asphalt. The importance of using the right type and quality of aggregates in concrete cannot be over emphasized. The fine and coarse aggregates generally occupy 60–70 % of the
Fine Aggregate
On the shrinkage of concrete, the fine aggregate properties also have a significant impact. Types Of Fine Aggregate uses: In concrete or pavement construction usually, sand, crushed stone and crushed …
Suitability of crushed sandcrete block (CSB) as a partial …
The suitability of crushed Sandcrete block (CSB) for use as a partial replacement for fine aggregate in concrete was examined. The physical and mechanical properties of the crushed Sandcrete block and river sand were determined and compared. The specific gravity of the crushed Sandcrete block was found to be 2.58 while that for …
Evaluating Recycled Concrete Aggregate and Sand for …
This research investigates the potential of utilizing recycled concrete aggregate (RCA) and recycled sand (RS), derived from crushed concrete cubes, as sustainable alternatives in construction materials. The study comprehensively evaluates the properties of RCA and RS, focusing on workability, impact resistance, abrasion resistance, and compressive …
Characterisation of Iron Ore Tailings as Fine Aggregates …
properties of mortar and concrete largely depend on the quality of fine aggregate used. Natural river sand is widely used as fine aggregate. However, river sand is becoming a scarce commodity and there is ban on mining of sand due to environmental concerns. Hence, attempts are being made for exploring suitable alternatives to river sand.
The effects of laterite type on compressive and flexural …
7. Suitability of laterite as a fine aggregate in concrete Laterite has gained attention as a potential alternative to traditional fine aggregates like river sand in concrete production [26]. Its suitability as a fine aggregate in concrete can be …
Characterisation of Iron Ore Tailings as Fine Aggregates for …
Natural river sand is widely used as fine aggregate. However, river sand is becoming a scarce commodity and there is ban on mining of sand due to environmental concerns. Hence, attempts are being made for exploring suitable alternatives to river sand. In the present investigation suitability of iron ore tailings (IOT) as an alternative to river ...
Seashells and Oyster Shells: Biobased Fine Aggregates in Concrete
This paper reports the exploratory study on the suitability of aquaculture byproducts as fine aggregates in concrete mixtures. ... sand and gravel mining activities both on land and the rivers as ...
Suitability of Desert Sand for Concrete Production
Investigation into the suitability of fine sand in concrete began in 1987 by Banfill and Carr. They examined the use of sand from the River Mersey, which was the finest
Effect of Physical Properties of Manufactured Sand as fine aggregate …
The suitability of manufactured sand as fi ne aggregate for concrete has been assessed by comparing the results with that of conventional concrete. The manufactured sand has performed better than ...
Suitability of Scoria as Fine Aggregate and Its Effect on …
The aim of this paper is therefore to analyze the suitability of scoria as a fine aggregate for concrete production and its effect on the properties of concrete.
(PDF) The effects of laterite type on compressive and flexural
The main findings indicate that the type of laterite used as a fine aggregate significantly affects concrete strength. Factors such as gradation, mineralogy, …
Suitability of iron ore tailings and quarry dust as fine aggregates …
Experiments were conducted to determine the suitability of iron ore tailings and quarry dust as fine aggregates replacement of river sand for concrete production, and thereby to utilize the ...
Suitability of burnt and crushed cow bones as partial …
The suitability of burnt and crushed cow bones (BCCB) as partial replacement for fine aggregate in concrete was studied. The percentages of replacements of fine aggregates of 0, 10, 20, 30, 40 and ...
Study on Suitability of Sawdust as an Alternate for Fine Aggregate …
The aim of this study was to investigate the feasibility of utilizing sawdust in a concrete. The mix ratio adopted to prepare concrete is 1:1.5:3 with a water-to-cement ratio of 0.55 natural sand used as a fine aggregate in concrete and the same was partially replaced with sawdust at various percent of 2.5, 5.0, 7.5, 10, and 12.5%.
Pond Ash as Partial Replacement of Fine Aggregate in Concrete
The effect of the use of pond ash as partial replacement of sand, fine aggregate in the concrete mix, is studied using cylindrical specimen with a diameter of 100 mm and a height of 200 mm ...
Characteristics of M-Sand as a Partial Replacement with Fine Aggregate
There is a great demand of both coarse & fine aggregates for the construction of infrastructural facilities, rather than using a conventional river sand as a fine aggregate in concrete mix as one ...