The percentage passing 150 microns of manufactured sand is relaxed to 20% (while that of natural sand is limited to 10%). As per design and economics, crushed sand can be used to partially or fully replace river sand from a concrete mix. The Availability of crushed sand is not a concern as it can be manufactured from rocks in any season.Web

The use of materials like reclaimed sea sand and quarry dust in place of river sand is on the rise in building construction (Ratnayake et al., 2014; Rajapaksha and Sooriyarachchi, 2009). An ...Web

Kazmi is investigating the use of crushed waste glass as an alternative to sand for ground improvement in construction, potentially providing a sustainable and cost-effective solution.Web

Sand is the most-consumed natural resource in the world after water and air. Modern cities are built out of it. In the construction industry alone, it is estimated that 25 billion tons of sand and ...Web

Manufactured sand is an alternative for river sand. Due to the fast growing construction industry, the demand for sand has increased tremendously, causing deficiency of suitable river sand in most parts of the world. Due to the depletion of good quality river sand for the use of construction, the use of manufactured sand has been …Web

River sand is utilized in road construction projects for the preparation of sub-base and base layers. Its excellent compaction properties make it an ideal material for supporting the load-bearing capacity of roads. 4. Landscaping and Gardening. River sand is widely employed in landscaping and gardening applications.Web

Sand, a fine aggregate is a coarse-grained material formed with small mineral particles. It is an essential component in industries such as foundry, automobile, construction, etc. It is the third world's most common natural resource after air and water and is critical to the survival of our way of life.Web

However, innovative solutions are being tested to replace sand in the construction of roads and buildings. Recycled plastic, earth, bamboo, wood, straw and other materials can be used as alternative …Web

Manufactured sand is an alternative to river sand. Due to the fast-growing construction industry, the demand for sand has increased tremendously, causing a deficiency of suitable river sand in most parts of the world. Due to the depletion of good quality river sand for the use of construction, the use of manufactured sand has …Web

Manufactured sand (MS) is an optimal alternative for river sand used in sustainable construction materials to decrease the detrimental effects caused by excessive sand mining.Web

good quality sand casting at reduced production cost. Keywords: alternative sources; silica sand; sand mould properties; binders; additives 1. Introduction Silica sand used in foundry contains high proportion of SiO 2, (more than 95%) and less than that are used as construction aggregates. Silica sand also serves as raw material for glassWeb

The ongoing surge in demand for sand has made it a scarce commodity.This natural resource is commonly used in computer microchips, construction, and is an active ingredient in cosmetics.Web

M –Sand M-sand, or manufactured sand, is a material created by crushing rocks and screening them to a specific size. This sand is often used in constructing roads and buildings due to its strength and durability. Unlike …Web

Due to the overuse of R-sand in construction and the destruction of natural resources, it is essential and urgent to identify an alternative. M-sand is one of the materials that can be used rather than R-sand. Crushing rock deposits produce M-sand, separating the sizes of aggregate according to the corresponding zone and controlled …Web

Recycled sand and aggregate from C&D waste is said to have 10-15 per cent lesser strength then normal concrete and can be safely used in non-structural applications like flooring and filling. Delhi already has a recycling unit in place and plans to open more to handle its disposal problem. Indian standards lag.Web

The focus in the present study for Vietnam was on m-sand sand as alternative for river sand, and different ashes as alternatives for cement in concrete. The investigations comprised concrete lab ...Web

A city-based cutting-edge research facility has identified coal ash or fly ash as a sustainable substitute to sand in construction activity.Web

Many researchers are finding different materials to replace sand and one of the major materials is quarry stone dust. Using different proportion of these quarry dust along with sand the...Web

Crushed Stone Sand. It looks like gravel and feels like gravel. But unlike gravel, crushed stone sand is a natural but commercially created resource that is made from crushed minerals, such as granite or limestone. Crushed stone sand is commonly used for road construction, and is widely known as a low-cost, high-value commodity.Web

Concrete is unique among major construction materials because it is designed specifically for particular civil engineering projects. ... This study presents the various properties of concrete with sand and its alternatives such as physical and mechanical characteristics of concrete. it is concluded that the highest substitute rate of …Web

M-Sand. Due to the depletion of good quality river sand, M-Sand is identified as an alternative to River sand. M-sand stands for manufactured sand. It is manufactured in industries/ quarries by crushing rocks, quarry stones or larger aggregate pieces into sand sized particles. For various construction works, different suitable grades of M-sand ...Web

This study reviews the fine aggregate (conventional Sand) replacements (such as Waste Foundry Sand, Graphite Tailings, Low-Density Polyethylene, Ceramic …Web

Therefore, it is clear that still there is a continuous usage of river sand in construction works. Hence the aim of this study was set to find alternative approaches to completely replace river sand in mortar. Many studies have been executed so far on finding various sand alternatives for river sand in concrete and mortar to overcome the above ...Web

As an example, the construction of a medium-sized house requires 200 tonnes of sand; a hospital needs 3000 tonnes of sand, and each kilometre of highway construction needs 30,000 tonnes of sand (WACA, 2018). Studies show that sand is currently being extracted at a rate far greater than its renewal (Peduzzi, 2014).Web

Crushed rock sand (CRS) is a feasible substitute to river sand and it also reduce waste disposal problem (Nanthagopalan and Santhanam 2011).Crushed rock sand is manufactured by crushing the quarried stone to a particle size less than 4.75 mm. Sridharan et al. observed that 20–25% of the entire production is left out as waste-quarry …Web

Sand is one of the main ingredients of the concrete next to the cement and coarse aggregate. Sand is an essential fine component in concrete. Sand is an inert component of the concrete mix, yet it is nevertheless essential. Increases mortar's volume and, as a result, makes mortar more affordable. The density of mortars and concrete is ...Web

River sand is one of the most used construction material, but its availability is becoming scarce. Alternate sand sources are increasingly being considered. Coal mine over burden rock is generated at coal mine sites, which could be processed to create OB sand. Technical performance of OB sand is found to be similar to that of river sand.Web

The concrete's compressive strength decreased by 16.6 percent at 28 days and 10.6 percent at 364 days when 20% of Portland cement was substituted with pozzolanic glass powder. The effectiveness of ...Web

This study presents the comparative life cycle assessment (LCA) of the two alternative sands, specifically OBS and M-Sand, to assess the most sustainable option as a construction material. The environmental impacts, in terms of 15 midpoint indicators and four endpoint indicators, resulting from the production processes of alternative sands are ...Web