• Sand alternatives for sustainable construction

    Jun 21, 2019· Sustainable alternatives to sand Some contractors have started to use plastic waste as an alternative. Non-recyclable bits of plastic waste are ground up into small pellets which are then used as the fine aggregate in a concrete mixture. This process has started to gather momentum in India and the United Kingdom.

  • What are the Materials for Replacement of Sand in Concrete

    In this percentage 40 to 50 % proportion of aggregate is fine aggregate (sand). Fine aggregate selection plays vital role in concrete performance and its cost. Lately the need for replacing sand with alternative materials have picked governing serious environmental impact of dredging sand from river bed, also there is huge demand and supply gap in major cities.

  • Alternative fine aggregates in production of sustainable

    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.

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  • Can someone suggest an alternative of sand as a fine

    Suitable candidates to replace fine fraction of sand are coal fly ash, carbonate (limestone, dolomite) sand as rock waste left in quarries, which use blasting for producing coarse aggregates.

  • Alternative Sand: An Inevitable Resource to River Sand

    Alternative sand can be classified as crushed rock sand (CRS), recycled fine aggregates (RFA), and industrial by-products. Alternative sand or manufactured sand is made from other than natural sources, by processing materials, using thermal or other processes such as

  • Alternatives to river sand for construction

    Nov 08, 2020· Some alternatives to sand are: * Fly ash/Bottom ash/Pond Ash Three types of ash are produced by the thermal plants namely Fly Ash, Bottom Ash and Pond Ash. Fly Ash is collected by mechanical or electrostatic precipitators from the flue gases of power plants, whereas, bottom ash is collected from the bottom of boilers.

  • Experimental Study on Suitability of Sea Sand as Fine

    River sand has been the most popular choice for the fine aggregate component of concrete in the past, but overuse of the material has led to environmental concerns, the depleting of securable river sand deposits and a concomitant price increase in the material.

  • Author: Prabin Kumar. K
  • What is the alternative of sand in concrete? Quora

    Dec 10, 2017· Aggregates are a very good alternative for sand in concrete. There are many other options considering the different end results. Some process even involves using fly-ash in order to produce a more eco-friendly and better output of cement. However, the usage of material is completely dependent on the desired output. Hope this helps.

  • Feasibility of Quarry Dust to Replace River Sand as Fine

    normally used in the crushed form. River sand is the main fine aggregate used in Sri Lanka. Scarcity and restriction on sand mining has increased the price of sand in the recent times and therefore the cost of concrete. As an alternative to river sand, offshore sand and different kinds of artificial aggregates have been introduced from time to

  • What are other alternatives for aggregates in concrete

    Oct 11, 2014· 2) Plastic: High-density polyethylene can be added to concrete and sand as a feasible replacement for coarse aggregate. Research has shown that plastic bags that are tightly packed and then heated, shrink to a size that can easily be used in concrete.

  • What material can I use as a replacement of coarse aggregateDec 18, 2018What are the materials that can be replaced as fine aggregate See more results
  • Greener alternatives to sand-based concrete production

    Jul 19, 2018· Environment. Concrete production uses a ton of sand and emits a lot of carbon. Here are some greener alternatives. The World. July 19, 2018 · 6:00 PM EDT

  • Experimental Study on Suitability of Sea Sand as Fine

    This study is experiment the suitability to use beach/sea sand as a substitute for river sand as fine aggregate for concrete. Experimental results show that the washed sea sand is ideal for concrete and plastering activities. REFERENCE. National sand study for Sri Lanka, vols. 1 and 2. Final Report, Phase1, Delft Hydraulics; 1992.

  • Characteristic Studies on Concrete by Partial Replacement

    River sand is becoming a scarce commodity and hence an exploration alternative to it has become imminent. Manufactured sand is the good alternative to river sand and it is purposely made, fine crushed aggregate produced under controlled conditions from a suitable sand source rock.

  • Sawdust as an Alternative Material for Sand in Concrete

    Two sets of mixture with six samples of each for a total of 12 samples were prepared and tested. Findings of the study revealed that the concrete mixture using sawdust is comparable to the compressive strength of concrete mixture using sand as fine aggregate. Thus, the sawdust can be considered as an alternative for sand as fine aggregate.

  • Offshore Sand as a Fine Aggregate for Concrete Production

    The study revealed that offshore sand obtained from 2 to 7 km away from the western coast, Sri Lanka soon after dredging, could be used as an alternative to river sand. Keywords : Offshore sand; concrete; fine aggregate; chloride content.

  • Feasibility of Quarry Dust to Replace River Sand as Fine

    normally used in the crushed form. River sand is the main fine aggregate used in Sri Lanka. Scarcity and restriction on sand mining has increased the price of sand in the recent times and therefore the cost of concrete. As an alternative to river sand, offshore sand and different kinds of artificial aggregates have been introduced from time to

  • Crushed rock sand An economical and ecological

    Sep 01, 2016· Crushed rock sand has surfaced as a viable alternative to Natural River sand and is being now used commonly throughout the world as fine aggregate in concrete. It is manufactured by crushing the quarried stone to a size that will completely pass through 4.75 mm sieve.

  • Decomposed Granite Alternatives Hunker

    Sand is one of the most commonly quarried construction aggregates and is one of the two natural aggregates. Sand is usually sorted by coarseness and color. Like decomposed granite, sand can be used not only as an aggregate, but for laying paths. It's also used on artificial beaches and in

  • (PDF) Characteristics of M-Sand as a Partial Replacement

    Present study investigates flow and strength characteristics of cement mortar at various replacement levels of alternative fine aggregate, M- sand. Plastering mortars (1:3 and 1:4 ratio) were

  • Different Types & Sizes of Aggregate for Concrete

    Aug 11, 2018· [1] FINE AGGREGATE. Fine Aggregates are usually sand or crushed stone that are less than 9.55mm in diameter. When the aggregate is sieved through 4.75mm sieve, the aggregate passed through it. Natural sand is generally used as fine aggregate, silt, stone dust and clay also come under this category.

  • Alternatives for Sand in Sandboxes Hunker

    For an outdoor sandbox, pea gravel can be a great alternative to sand, but it is important to choose gravel make up of rounded stones. Pea gravel with rounded rocks can be softer than compacted sand if a child falls, will let water drain through the sandbox to prevent mold. The rounded edges of the rocks in pea gravel are safe for preschool and

  • 5 COMMON FIELD TESTS ON AGGREGATE TO CHECK ITS

    Jul 06, 2015· The permissible silt content in sand (fine aggregate) must not exceed the values as specified in the standards. However, this method can only be used for natural sand, it should not be used for crushed rock sand. The apparatus required for this test is only 250 ml glass measuring cylinder.

  • Analytical study on mechanical properties of concrete

    On the other hand, River sand being the majorly convenient source for fine aggregate worldwide, is exploited haphazardously at an annual rate of 750 MT,for construction activities. Fine aggregates occupy 30–35% of concrete and control its rheological and mechanical characteristics significantly [5] .

  • Fine Aggregate: Definition, Size, Density and Properties

    Fine aggregate is the essential ingredient in concrete that consists of natural sand or crushed stone. The quality and fine aggregate density strongly influence the hardened properties of the concrete.. The concrete or mortar mixture can be made more durable, stronger and cheaper if you made the selection of fine aggregate on basis of grading zone, particle shape and surface texture, abrasion

  • Greener alternatives to sand-based concrete production

    Jul 19, 2018· Environment. Concrete production uses a ton of sand and emits a lot of carbon. Here are some greener alternatives. The World. July 19, 2018 · 6:00 PM EDT

  • Sawdust as an Alternative Material for Sand in Concrete

    Two sets of mixture with six samples of each for a total of 12 samples were prepared and tested. Findings of the study revealed that the concrete mixture using sawdust is comparable to the compressive strength of concrete mixture using sand as fine aggregate. Thus, the sawdust can be considered as an alternative for sand as fine aggregate.

  • Offshore Sand as a Fine Aggregate for Concrete Production

    The study revealed that offshore sand obtained from 2 to 7 km away from the western coast, Sri Lanka soon after dredging, could be used as an alternative to river sand. Keywords : Offshore sand; concrete; fine aggregate; chloride content.

  • Feasibility of Quarry Dust to Replace River Sand as Fine

    normally used in the crushed form. River sand is the main fine aggregate used in Sri Lanka. Scarcity and restriction on sand mining has increased the price of sand in the recent times and therefore the cost of concrete. As an alternative to river sand, offshore sand and different kinds of artificial aggregates have been introduced from time to

  • Alternatives for Sand in Sandboxes Hunker

    For an outdoor sandbox, pea gravel can be a great alternative to sand, but it is important to choose gravel make up of rounded stones. Pea gravel with rounded rocks can be softer than compacted sand if a child falls, will let water drain through the sandbox to prevent mold. The rounded edges of the rocks in pea gravel are safe for preschool and

  • EXPERIMENTAL STUDY ON CONCRETE USING SEA SAND AS

    Keywords: Concrete, Sea sand and Fine aggregate. 1. INTRODUCTION . Sand is a unique raw material for the construction industry at present, but contractors say that they have to spend more allocations for obtaining bulk loads of sand for their construction work. Quarry dust is one of alternative raw material for the construction industry,

  • Different Types Of Aggregate And Their Uses

    The Different Types Of Aggregate. The categories of aggregates include gravel, sand, recycled concrete, slag, topsoil, ballast, Type 1 MOT, and geosynthetic aggregates (synthetic products commonly used in civil engineering projects used to stabilise terrain).

  • Difference Between Fine Aggregate and Coarse Aggregate

    May 29, 2011· Many materials are used to form aggregate such as sand, gravel, stone, crushed rock, and sometimes even waste slug from iron and steel industry. Aggregate is broadly classified as fine and coarse. The differences between these two types of aggregate will be discussed in this article.

  • HOW FINE AGGREGATES AFEECTS CONCRETE MIX DESIGN

    Fine aggregate is on of the major constituents of concrete which can influence concrete mix design substantially. Various factors such as fine aggregate fineness modulus, moisture content, specific gravity, and silt content affect the mix proportions of concrete. Fineness modulus specifies how much fine aggregate is required in a given mix design. Fine aggregate moisture

  • Crushed Glass as an Alternative Fine Aggregate in Concrete

    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

  • Fine Aggregate Angularity Pavement Interactive

    The fine aggregate angularity (FAA) test (Figure 1) is an indirect method of assessing the angularity of fine aggregate. Fine aggregate angularity is important because an excess of rounded fine aggregate (often in the form of natural sand) can lead to HMA rutting. Figure 1: Fine aggregate angularity test.

  • Fine Aggregates BoDean

    Fine aggregates consist of natural sand or any crushed stone particles that are ¼” or smaller. This product is often referred to as 1/4’” minus as it refers to the size, or grading, of this particular aggregate. Fine aggregates are available through BoDean Company in

  • What is Fine Aggregate? FA Types used in Construction

    The aggregates passing 4.75 mm tyler sieve and retained on .075 mm sieve are classified as Fine Aggregate. Types of Fine Aggregate. Usually, sand, crushed stone, and crushed bricks are used as fine aggregate in concrete or pavement construction. Sand. Sand is an important engineering material. In concrete works, sand is used as a fine aggregate.

  • Sand Equivalent Value of Soils and Fine Aggregate

    Sand Equivalent Value of Soils and Fine Aggregate • Categories of Soils based on Particle Size: o Coarse aggregate. o Fine aggregate. o Silt. ( sieve #200, size 0.075) o Clay. • Clay like material are small particles in the size of clay particles that are deleterious to asphalt concrete.