Poducts

  • Replacement of River Sand by Crushed Sand and its Effect

    the effect on compressive strength as well as workability of concrete when river sand was replaced by crushed sand and up to which extent replacement of river sand is significant in accordance with standards and observed that beyond 70%

  • Replacement of Natural Sand by Crushed Sand in the

    The maximum tensile strength of concrete is obtain at 60% and 70% replacement of natural sand with Crushed sand. The concrete with crushed sand performed better than concrete with natural sand as the property of crush sand is better than that of natural sand.

  • Author: Rameshwar S. Ingalkar, Shrikant M. Harle
  • PARTIAL REPLACEMENT OF NATURAL RIVER SAND WITH

    The use of crushed rock sand as a partial replacement of river sand in concrete production was and 0.59 for 0 % to 100 % natural sand replacement. The slump ranged between 49 and 60 mm for 0 % to 100 % natural sand replacement. N/mm2.

  • Crushed sand to replace river sand | Mumbai News Times

    MUMBAI: The state public works department (PWD) will construct a building in every district using crushed sand, instead of river sand, to see if it can be an effective substitute. In a letter last month, the PWD told its regional offices to use crushed sand and report its efficacy within three months.

  • Crushed rock sand – An economical and ecological

    01.09.2016· Several studies have been conducted in the past to investigate the effect of partial replacement of Natural River sand with crushed rock sand. Celik and Marar (1996) concluded that partial replacement upto 30% leads to decrease in slump value.

  • Cited by: 20
  • The Effect of Replacement of Natural Sand by

    Here the River Sand is partially and fully replaced with M Sand with different percentages like 0%, 45%, 50%, 55% and 100%. Fresh and hard concrete properties were studied with natural sand substitute by M-Sand.

  • New type of crushed sand to replace natural sand in

    04.02.2015· New type of crushed sand to replace natural sand in concrete production. The availability of natural sand for concrete production is facing challenges, while the so-called waste stockpiles at aggregate crushing areas are causing problems for producers. This means that the industry has a huge need to solve this challenge by finding suitable technology for usable crushed sand production. TEXT

  • Alternatives to river sand for construction

    14.12.2013· River sand is becoming very scarce and sand mining from rivers has become objectionably excessive. It has now reached a stage where it is killing all our rivers day by day so sand mining has to be discouraged by the engineers for all type of construction. We, the engineers, should come to the rescue of our rivers in their resign channel formation and providing a laminar flow of the rivers

  • Effect of replacement of River sand by M-sand in high

    M -sand is obtained as a crushing of granite stones in required grading to be used for construction purposes as a replacement for river sand. M -sand has been used in large scale in highways as surface finishing materials and also used in the manufacture of hollow blocks and in light weight concrete prefabricated elements.

  • Crushed Sand vs. Natural Sand: Make the Right Choice!

    01.12.2016· The sand is usually excavated from river beds or river bank by digging. The natural sand deposits are getting depleted by continuous digging causing damage to the environment in many ways. As the supply of suitable natural sand near the point of consumption is becoming exhausted, the shortage of good natural sand for concrete production is facing challenges. The construction industry

  • Replacement of Natural Sand by Crushed Sand in the

    Suitability of Crushed sand to replace river sand in concrete production was investigated Manaseeh Joel [2010] . Slump, compressive and indirect tensile strength tests were performed on fresh and hardened concrete. Twenty eight days peak compressive

  • Experimental datasets on properties of river sand as an

    The data explored the assessment of the quality of river sand as an aggregate in replacement of crushed stones which are widely used by majority of manufacturers in production of interlocking stones. Experimental tests carried out on river sand and crushed rock as aggregates include: Grain size distribution, Specific gravity, moisture content determination and Bulk density to determine the

  • New type of crushed sand to replace natural sand in

    04.02.2015· New type of crushed sand to replace natural sand in concrete production. The availability of natural sand for concrete production is facing challenges, while the so-called waste stockpiles at aggregate crushing areas are causing problems for producers. This means that the industry has a huge need to solve this challenge by finding suitable technology for usable crushed sand production. TEXT

  • Experimental Investigation on the Effect of Replacement of

    Suitability of Crushed granite fine (CGF) to replace river sand in concrete production was investigated Manaseeh Joel [2010] [5]. Slump, compressive and indirect tensile strength tests were performed on fresh a nd hardened concrete. Twenty eight days peak compressive and indirect tensile strength values of 40.70 N/mm 2 and 2.30 N/mm respectively were obtained with the partial replacement of

  • HKU study finds glass can replace river sand for building

    08.07.2013· In Hong Kong, most contractors now used crushed rock from quarries to replace river sand in concrete after the price of river sand tripled in recent years from about HK$50 per

  • Manufactured Sand (M-Sand) for Concrete -Properties and

    Manufactured sand (M-Sand) is a substitute of river sand for concrete construction . Manufactured sand is produced from hard granite stone by crushing. The crushed sand is of cubical shape with grounded edges, washed and graded to as a construction material.

  • (PDF) Crushed Sand a Substitute for River Sand as a Fine

    — Concrete is a dominant part of construction industry. In India, ordinary concrete contains natural sand obtained from riverbeds as fine aggregates. In recent times with a boost in construction activities, there is a significant increase in the

  • Demolished brick masonry as a replacement of river sand

    Demolished brick masonry as a replacement of river sand in cement and cement lime mortar AIP Conference Proceedings 2039, 020049 Modulus of elasticity of mortar samples was found to reduce as the sand replacement was increased. Use of demolished brick masonry waste based aggregates may result in valuable effort towards effective utilization of natural river sand. REFERENCES. 1. Anzar

  • Colango-Wayne-Thesis-Evaluation.docx Replacement of

    Replacement of River Sand by Waste Foundry Sand in Paver Blocks | Civil Engineering Project Foundry sand waste originates from clean, very uniformly sized and rich in silica, high-quality sand, used by metal foundries for metal casting and molding processes. It can be repeatedly recycled, crushed down to a raw, uniform sand material and used again for casting, until it degrades and becomes

  • What is crushed sand? Quora

    Crushed sand is artificial sand polished by stones. Studies have shown that stones can be sanded. Just like the pebbles, river pebbles, limestone, quartz stone, iron ore and other stones we often see, they can be processed into sand. Yes, the proc...

  • Replacement of Natural Sand by Crushed Sand in the

    Suitability of Crushed sand to replace river sand in concrete production was investigated Manaseeh Joel [2010] . Slump, compressive and indirect tensile strength tests were performed on fresh and hardened concrete. Twenty eight days peak compressive

  • (PDF) Crushed Sand a Substitute for River Sand as a Fine

    — Concrete is a dominant part of construction industry. In India, ordinary concrete contains natural sand obtained from riverbeds as fine aggregates. In recent times with a boost in construction activities, there is a significant increase in the

  • Cost Effectiveness of Replacing Sand with Crushed Granite

    The economic gain of replacing sand with Crushed Granite Fines in the production of concrete was investigated. Compressive strength and slump tests were performed on fresh and hardened concrete using two nominal mixes of 1:1:2 and 1:1½: 3 with the sand component being partially replaced with Crushed Granite Fines. Compressive strength values above 30 N/mm² and 35 N/mm² were obtained

  • Colango-Wayne-Thesis-Evaluation.docx Replacement of

    Replacement of River Sand by Waste Foundry Sand in Paver Blocks | Civil Engineering Project Foundry sand waste originates from clean, very uniformly sized and rich in silica, high-quality sand, used by metal foundries for metal casting and molding processes. It can be repeatedly recycled, crushed down to a raw, uniform sand material and used again for casting, until it degrades and becomes

  • Manufactured Sand (M-Sand) in Construction | Advantages

    23.10.2018· M-sand is “crushed aggregates produced from hard granite stone which is cubically shaped with grounded edges, washed and graded with consistency to be used as a substitute of river sand”. Advantages of M sand Greater Durability M-Sand has balanced physical and chemical properties that can withstand any aggressive environmental and climatic conditions as it has enhanced

  • The Pros and Cons of Manufactured Sand The Screed

    It can be used as a replacement or as a blended mixture with natural sand. Less disruptive to the environment: The land used for quarrying rock can be reclaimed for commercial/residential purposes or used for wetland restoration. This can help in reducing the sand mining from river beds. Lesser impurities and good working properties: Manufactured sand is free of silt and clay particles, and

  • Research on River Sand Substitutes for Concrete Production

    • River sand is a widely used construction material in Hong Kong, especially in the production of concrete and cement-sand mortar • The Construction Industry Council has launched a research project entitled “Research on River Sand Substitutes for Concrete Production and Cement Sand Mortar Production”. • To identify alternative materials to supplement river sand, the research will go

  • Use of Quarry Dust to Replace Sand in Concrete – An

    as a good substitute for natural river sand giving higher strength at 50% replacement. Index Terms- Concrete, quarry dust, river sand, Crushed granite stone Maximum size : 20 mm Specific gravity : 2.98 Fineness modulus : 6.36 Density : 1.58gm/cc River sand Specific gravity : 2.53 Fineness modulusC : 3.08 Density : 1.63gm/cc Void ratio : 0.55 Quarry dust Specific gravity : 2.57 Fineness

  • M Sand Vs River Sand (Natural Sand)

    River Sand: Process. Manufactured in a factory. Naturally available on river banks. Shape. Angular and has a rougher texture. Angular aggregates demand more water. Water demand can be compensated with cement content. Smoother texture with better shape. Demands less water. Moisture Content. Moisture is available only in water washed M Sand. Moisture is trapped in between the particles which are

  • Substitutes for Horticultural Sand in Seed Mixes

    Horticultural grit and sharp sand are made from crushed rock, such as limestone or granite. Different types of stone have different pH levels, so try to find out what type of stone is used in the grit or sand to help gauge how acidic or alkaline it is. Builders sand also comes from rock, of course, but it's unlikely the supplier will know its origin. Prices for these materials may depend on