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3/26/2018· Sand is worldwide in high demand and heavily used in many industries, especially construction. With deserts full of it, one can easily be fooled into thinking that sand is an almost infinite resource. 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.
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sand; palm kernel shell and cement: sawdust: palm kernel shell) into cubes of size 150 x 150 x 150 using a mix ratio 1:2: 4 and 1:3:6.The concrete cubes were cured by sprinkling method for different time duration (7, 14, 21, and 28 days). The compressive strength tests were carried on the concrete. Compressive strength result for 1:2:4 and 1:3:6 concrete mixes show an overall reduction in ...
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Utilizing Waste Recycled Glass as Sand/Cement Replacement in Concrete Article (PDF Available) in Journal of Materials in Civil Engineering 21(12):709-721 · December 2009 with 2,542 Reads
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Concrete is awesome, but it's not the only option for securing, building and paving. There are a good number of concrete alternatives for driveways, fence posts and foundations. This extensive article is broken up into 4 sections and provides substitutes for concrete in two approaches. The first section lists out actual substances that serve ...
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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 ...
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The sand formulation showed a significant strength gain, the tensile strength with the substitution rate of 25%, 50% and 75% are fairly greater than values obtained with natural aggregates. The concrete with substitution rate provided poor results in strength. Research program
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The characteristic variances of fresh concrete and hardened concrete substituted with OS were quantitatively investigated in terms of fineness modulus (F.M.) and substitution rate (SR) of OS. For practical application, research was performed on durability and performance of concrete up to 1 year using OS as substitution materials of fine aggregate is described in an accompanying paper [5] .
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Mason sand is created in the same way as concrete sand but is crushed finer. It is also created at the quarry by crushing granite, gneiss, limestone or trap rock then washing it though screens to ensure the uniformity of the grains. It can be used in cement, particularly for projects like swimming pools and concrete paving stones where the finer grain gives a more finished appearance. Its ...
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Hello The sand as a fine aggregate used in concrete does not have any substitute at all. However, if you ask me whether there is any substitute for the River sand ? The answer is : Yes. Certainly. The crushed sand is being used as a good substitut...
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Researchers have discovered how to make concrete from recycled glass - by turning it back into sand. A team from Australia were able to turn the waste into a replacement for industrial flooring ...
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Manufactured Sand or Crushed Sand is the environmental-friendly solution that serves as a perfect substitute for the fast depleting and excessively mined river sand. M-sand has crushed aggregates produced from hard granite stone which is cubical shaped with rounded edges.
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• Second they are "pozzolans," providing silica that reacts with hydrated lime, an unwanted by-product of concrete curing. Pulverised Fuel Ash (PFA), aka 'Fly ash' as a cement substitute. PFA is a by-product of coal-burning power stations. As part of the combustion process, coal is pulverised into a …
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as a good substitute for natural river sand giving higher strength at 50% replacement. Index Terms- Concrete, quarry dust, river sand, compressive strength. I. INTRODUCTION oncrete is the most widely used composite material today. The constituents of concrete are coarse aggregate, fine aggregate, binding material and water.
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1/11/2018· "The initial and final strength of the concrete made using slag sand is better compared to natural sand. It can be used in all construction activities and can replace river sand," Oommen added.
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"Substitute For Sand In The Concrete Content " By: Roba AM Darawish According to the system of the College of Engineering, the supervision of our supervisor and the approval of the members of the examination committee, this project was submitted to the Department of Civil and Architectural Engineering in order to finish the requirements of a ...
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Concrete: Cement Substitutes. GGBS Producing cement uses a great deal of energy, so finding a waste product that can substitute for cement makes good environmental sense. To varying degrees, cement substitutes work in two ways: • First, they hydrate and cure like portland cement. • Second they are "pozzolans," providing silica that reacts with hydrated lime, an unwanted by-product of ...
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28.08.2017· 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 ...
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1/21/2019· The concrete can be tinted or dyed, as with new concrete installations. A stamped concrete treatment is similar to a micro-topping but contains more sand and provides a rougher concrete surface finish. A coat of concrete sealer is applied after the pattern has been created.
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The ash from burning municipal solid waste (MSW) was used as a substitute for sand and Portland cement in the production of concretes. The authors concluded that from both the economic and technical standpoints, a substitution of 20% was the most indicated ( Al-Rawas et al., 2005 ).
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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. When compared with river sand concrete, 50 and replacement of sea sand with river sand in concrete gives lesser in compressive, ) …
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River Sand Substitutes -An Overview - The Masterbuilder. River Sand Substitutes. Sand Researchers world over are in continuous search for the alternatives to sand. Fine aggregate is one of the important constituents of concrete and mortar in construction industry. River sand is becoming a scarce material. Sand mining from our rivers has become objectionably excessive. Read More. Sand at Lowes ...
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