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  • Desert sand could offer low-carbon concrete alternative

    Mar 24, 2018  The team believe their material is ideal for use in the Middle East as the raw material for the concrete alternative can be scooped straight out of

  • What is the alternative of sand in concrete? - Quora

    Dec 09, 2017  There are several alternatives such as sawdust, iron dust, ash etc and the resultant concrete are known by different names. We’re surrounded by concrete; it’s in our buildings, our roads, our tunnels, and runways. In fact, we produce around 10 bil...

  • Is M-Sand the best alternative for river sand in ...Jul 14, 2019What is the name of the bond between cement paste (cement ...Mar 24, 2019What is the replacement for sand in construction?Mar 06, 2019What are alternative sources of sand in concrete?Feb 28, 2019查看更多结果
  • What are the Materials for Replacement of Sand in Concrete ...

    With increased ban of river sand, here are the alternatives that can be used for replacing river sand in concrete mix. Read to know the materials for replacement of sand in concrete.

  • 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

  • Sand alternatives for sustainable construction ...

    Jun 21, 2019  Sand is a natural material that may seem abundant, but it is being depleted quicker than it is formed by the environment. Leading engineering firms and contractors are exploring sand alternatives for use as aggregates in concrete. These efforts are minimising sand depletion and enabling existing sand to be recycled for other construction projects.

  • Alternatives to river sand for 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 in plane areas. There are a number of alternative materials available for replacement of river sand. Some alternatives to sand are: * Fly ash/Bottom ash/Pond Ash

  • Finite: a more sustainable alternative to concrete made ...

    Mar 26, 2018  However, desert sand has little use; the grains are too smooth and fine to bind together, so it is not suitable for the making of for instance concrete. The start-up Finite, founded by researchers from Imperial College London , created a material composite made with desert sand that serves as a more sustainable alternative to concrete.

  • Demand for sand: the largest mining industry no one talks ...

    River sand is particularly perfect for concrete because it is coarse and does not contain salt that would otherwise corrode metal and other building materials. ... The scale of the problem is ...

  • Replacing Sand in Concrete; Materials and Viabilities ...

    Jul 05, 2019  The heavy-exploitation of river sand for construction purposes is a threat and find a better alternative for sand is always a tricky task. Alternative materials for river sand. The construction industry is growing in a staggering pattern even in the years with a high economic slowdown of the GDP. With the rising scarcity of river sand, here are ...

  • Use of Manufactured Sand in Concrete and Construction An ...

    Considering, the acute shortage of river sand, huge short coming on quality of river sand, high cost, greater impact on road damages and environmental effects, The Construction Industry shall start using the manufactured sand to full extent as alternative, reduce the impacts on environment by not using the river sand.

  • Replacing Sand in Concrete; Materials and Viabilities ...

    Jul 05, 2019  The heavy-exploitation of river sand for construction purposes is a threat and find a better alternative for sand is always a tricky task. Alternative materials for river sand. The construction industry is growing in a staggering pattern even in the years with a high economic slowdown of the GDP. With the rising scarcity of river sand, here are ...

  • Use of Manufactured Sand in Concrete and Construction An ...

    Considering, the acute shortage of river sand, huge short coming on quality of river sand, high cost, greater impact on road damages and environmental effects, The Construction Industry shall start using the manufactured sand to full extent as alternative, reduce the impacts on environment by not using the river sand.

  • 22 Concrete Alternatives for Driveways, Fence Posts and ...

    Related: Circular Driveways A. Concrete Alternatives Generally. This section lists out substances that act like concrete but are different. 1. Greencrete. Greencrete or Geo-Green Crete is still in development, but it’s becoming a more popular material to create eco-friendly walkways and driveways that are very comparable to concrete and also you can now Speak to a concrete contractor to ...

  • 11 green building materials that are way better than concrete

    Concrete, that ubiquitous gray building material, is one of the world's most consistent sources of CO2 emissions. We've got 11 alternatives to consider.

  • Research on River Sand Substitutes for Concrete Production ...

    “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 through two phases – The first phase (Phase One) of the research aims to identify suitable

  • Replacement of Natural Sand with Efficient Alternatives ...

    day‟s river erosion and other environmental issues have led to the scarcity of river sand. The reduction in the sources of natural sand and the requirement for reduction in the cost of concrete production has resulted in the increased need to find new alternative materials to replace river sand so that excess river erosion is prevented and ...

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

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

  • M Sand Vs River Sand Which is best for construction ...

    Aug 15, 2018  This video (Animation, Animated Video) explains the difference between m sand vs river sand and which is best for construction. (Civil Engineering Animated Videos, Civil Engineering Videos) Social ...

  • 作者: Anime_Edu - Civil Engineering Videos
  • Sustainable Concrete Materials - CCAA

    of concrete production. This Briefing provides designers, builders and owners with information on the sustainable performance of concrete materials, demonstrating that concrete is truly the responsible choice for sustainable development. concrete constItuents Concrete is the most commonly used construction material in the world today.

  • Crushed Rock, Sand Gravel - Consumer Builders Supply

    #57 River Gravel: Used as an alternative to #57 limestone in certain applications, some commercial and residential jobs are required to use this material by the city’s engineers. #8 River Gravel: Often called “pea-size”, the smallest of our decorative river gravel is used in decorative concrete

  • Alternatives of Sand Seminar Report, PPT, PDF for Civil ...

    Explore Alternatives of Sand with Free Download of Seminar Report and PPT in PDF and DOC Format. Also Explore the Seminar Topics Paper on Alternatives of Sand with Abstract or Synopsis, Documentation on Advantages and Disadvantages, Base Paper Presentation Slides for IEEE Final Year Civil Engineering CE or IEEE Civil Construction BTech, BE, MTech Students for the year 2017 2018.

  • Why is sea sand not used for construction purposes? How ...

    Sand (primarily silica) is used in construction as a component in various materials like concrete, mortar etc. Definitely the salts adsorbed (dissolution might not actually occur) on sand are going to affect the durability in reinforced concrete...

  • Gigacrete: An Alternative to Concrete

    We have never been fond of concrete for single family residential uses; there is too much gravel excavation, carbon released making cement, transport of a heavy, marginally recyclable material to ...

  • Use of sea-sand and seawater in concrete construction ...

    This paper presents a critical review of existing studies on the effects of using sea-sand and/or seawater as raw materials of concrete on the properties of the resulting concrete, including its workability, short- and long-term strength as well as durability.

  • Alternatives of Sand Seminar Report, PPT, PDF for Civil ...

    Explore Alternatives of Sand with Free Download of Seminar Report and PPT in PDF and DOC Format. Also Explore the Seminar Topics Paper on Alternatives of Sand with Abstract or Synopsis, Documentation on Advantages and Disadvantages, Base Paper Presentation Slides for IEEE Final Year Civil Engineering CE or IEEE Civil Construction BTech, BE, MTech Students for the year 2017 2018.

  • Why is sea sand not used for construction purposes? How ...

    Sand (primarily silica) is used in construction as a component in various materials like concrete, mortar etc. Definitely the salts adsorbed (dissolution might not actually occur) on sand are going to affect the durability in reinforced concrete...

  • Gigacrete: An Alternative to Concrete

    We have never been fond of concrete for single family residential uses; there is too much gravel excavation, carbon released making cement, transport of a heavy, marginally recyclable material to ...

  • Use of sea-sand and seawater in concrete construction ...

    This paper presents a critical review of existing studies on the effects of using sea-sand and/or seawater as raw materials of concrete on the properties of the resulting concrete, including its workability, short- and long-term strength as well as durability.

  • Concrete Sand or Mason Sand: Which Is Right for My Project ...

    Apr 20, 2017  Mason Sand. While mason sand is produced in a manner that’s similar to concrete sand, the grains of this material are much finer and more uniform. Mason sand and concrete sand can be used for many of the same projects, but, due to its fine texture, the mason variety is also an excellent alternative to beach sand. If you’re building a ...

  • (PDF) A Review on Green Concrete - ResearchGate

    Among all materials used in the construction industry concrete is main material for construction puposes. ... In such a situation the Quarry rock dust can be an economic alternative to the river ...

  • Concrete aggregate alternatives - Appropedia: The ...

    The disadvantages of this material are, because of the integration of polystyrene, decrease strength at temperatures above 300C and is generally sensitive materials that are non-polar. Plastic . High-density polyethylene can be added to concrete and sand as a feasible replacement for course aggregate.

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

    effect of M -sand as a fine aggregate in high strength concrete and compare the results with the River sand. The scope of the present investigation can be summarized as follows: ¾ To study the effect of workability and the str ength of concrete with the replacement of M -sand by river sand, at an addition of silica fume with cement.

  • Pit Sand River Sand M-Sand (Manufactured Sand) other ...

    Nov 21, 2017  River sand:-River sand is obtained from the bank of rivers and River beds. It is usually in white – grey color and has a very fine quality. River sand is well graded, and it is good for all types of concrete and masonry works. The natural river sand was the cheapest resources of sand.

  • Impact Alternatives of River Sand - Econaur

    Since manufactured sand can be crushed from hard granite rocks, it can be readily available at the nearby place, reducing the cost of transportation from far-off river sand bed. Thus, the cost of construction can be controlled by the use of manufactured sand as an alternative material

  • Offshore Sand as a Fine Aggregate for Concrete Production

    The shell content of offshore sand for shells finer than 10 mm and coarser than 5 mm is 6.5 per cent. This is far below the 20 per cent limit specified in BS 882:1992. For grade 25 concrete produced with OPC, an allowable limit of 0.101 per cent by weight of sand was computed for chloride content in offshore sand.

  • Types of Sand Used in Construction

    It is a substitute for River Sand, it is also known as fine aggregates which are manufactured by crushing either granite or basalt rock using 3 stage crushing process by some companies. This sand is manufactured in conformance to IS Codes and is an effective alternative to river sand also known popularly as M Sand.

  • Which Sand is best for House Construction? - Happho

    River Sand is usually obtained from River Beds and Banks. It is usually very fine in quality and has a white-grey color. River Sand is good for all construction activities like concrete production and plastering as it is well graded. As per the Indian Standard codes, sand used in preparation of concrete and in plastering should ideally confirm to IS-383 Zone-II.

  • 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.

  • Substitutes for Sand // Alternatives for Sand // Sand ...

    Aug 28, 2017  This video deals with different common substitutes for sand used in construction. Blog Link: https://goo.gl/p34vhL Subscribe our channel for more education videos. Like our page on Facebook. https ...

  • 作者: Anime_Edu - Civil Engineering Videos
  • Types of Sand Used in Construction

    It is a substitute for River Sand, it is also known as fine aggregates which are manufactured by crushing either granite or basalt rock using 3 stage crushing process by some companies. This sand is manufactured in conformance to IS Codes and is an effective alternative to river sand also known popularly as M Sand.

  • use of granite fine as replacement to river sand in ...

    Portland cement of strength class 32.5R, conforming to BS 12 (1996) was used in producing concrete. ASTM Type N pozzolana was used to replace portland cement. Natural river sand was used as fine aggregate. Crushed granite of nominal size 20mm was used in producing concrete. Palm kernel shells were obtained from a. Get Price

  • Use of Crushed Rock Sand as an Alternative to River Sand ...

    An empirical relation between flexural strength and compressive strength is proposed in the formula of f t = 0.66 √f ck for river sand mixes and f t = 0.82f ck 0.48 for crushed rock sand . Keywords Bacterial Concrete,Bacillus Subtili,Crushed rock sand,SEM,X-Ray Diffraction.

  • What are other alternatives for aggregates in concrete ...

    1) EPS: Expanded Polystyrene plays a very unique role in concrete. Research has shown that concrete with this material behaves very similarly to light weight concretes containing traditional aggregates. This is believed to be the case because the ...

  • Concrete using agro-waste as fine aggregate for ...

    Concrete is a mixture of cement, fine aggregate and coarse aggregate, which is mainly derived from natural resources. Increasing population, expanding urbanization, climbing way of life due to technological innovations has demanded a huge amount of natural resources in the construction industry, which has resulted in scarcity of resources.

  • (PDF) Crushed stone waste as fine aggregate for concrete

    The natural sand was replaced by 0, 20, 40, 60, 80 and 100% with Manufactured Sand (M-Sand). In this investigation, totally 6 column specimens were cast for mixes M1 to M6 and were tested in ...

  • Mechanical and Durability Properties of Concrete Made with ...

    3.2. Mechanical Properties 3.2.1. Compressive Strength. The compressive strength of all mixtures was obtained at ages of 7, 28, 90, and 180 days, and the values are summarized in Table 4 and presented in Figure 4.The main objective of this research is to utilize FS as a substitute material in concrete production and not to enhance the strength properties of the concrete.

  • Substitute For Sand In Construction

    Substitute For Sand In Construction. 2 mar 2014 recycled building and quarry dust material can be a substitute for sand.Sand.River sand substitute quarry rock dust concrete mixes.Application of quarry dust in concrete this paper presents the feasibility of the usage of quarry rock dust as hundred percent substitutes for natural sand.

  • Stone Dust Doesn't Belong Under Pavers. Here’s Why ...

    They, and many others, recommend what’s commonly referred to as washed concrete sand, a coarse-grained sand that complies with CSA A23.1 and ASTM C33 standards. Without doing a deep dive into material specifications, arguably the most important property of that sand is that it won’t pass through a #200 screen – at least no more than 1% of ...

  • Types of Sand - A Civil Engineer

    Pit sand consists of sharp, angular and rough grains. it is free from salt and organic materials. ... Artificial Sand. It is an effective alternative to river sand. It is produced by crushing either basalt rock or granite. ... Concrete sand; Brick Sand. This sand is obviously used for brickwork.

  • Manufactured Sand vs. Natural Sand - Concrete, Sand, Stone ...

    The choice of fine aggregate, whether it is manufactured or natural sand, can greatly impact the fresh concrete properties of a mixture such as the workability, pumpability, and finishability. Natural sand has an ideal shape for use as fine aggregate in concrete. The natural sand particles are well-rounded and are usually nearly spherical.

  • Use of Crushed Granite Fine as Replacement to River Sand ...

    The analysis shows that it is more economical to produce grade 40 concrete with a combination of 80% sand plus 20% CGF as fine aggregate, using gravel as coarse aggregate, at a cost of N16, 602 per cubic metre, than the cost of N 17,293 per cubic metre obtained when only Makurdi river sand was used as fine aggregate and gravel as coarse ...

  • Concrete M Sand vs Plastering M Sand

    Concrete M Sand Plastering M Sand; Concrete M Sand is used for concrete, brick, block masonry work purposes. Plastering M Sand is used for Wall plastering and brickwork purposes. The granule thickness is 150 microns to 4.75 mm and is suitable for concrete preparations required for