Phosphogypsum is usually a yellowish white light greyish white or dark grey fine powdery solid The main component of PG is CaSO 4 ·2H 2 O which accounts for more than 90% of its total composition In addition PG contains phosphorus fluorine organic matters and other impurities heavy metal elements and nuclides Rashad 2024
Get PricePartial Replacement of Cement with Fly Ash In Concrete We have used M25 grade of concrete with the ratio 1 1 2 ie 1 part of cement 1 part of fine aggregate and 2 part of coarse aggregate A Materials Specification Following are the materials used Cement 53 grade of ordinary Portland cement Aggregate 20mm retaining size Sand Fine aggregate
Get PriceThese materials are classed as aggregate when they have been crushed down into fine particulates They are further classified as either coarse aggregate or fine aggregate based on the following characteristics Coarse aggregates have a diameter of between Fine aggregates have a diameter of less than
Get PriceFig 1 Affect of Fineness Modulus of Fine Aggregate on Concrete Mix Design 2 Moisture Content Moisture content of fine aggregate is a crucial factor while suitable water to cementitious material ratio are established It is undeniable that all aggregates contain some moisture based on moisture condition of the storage area and particle porosity
Get PriceJun 15 2021Previously natural coarse aggregate CA and fine aggregate FA were replaced by light weight plastic aggregates for production of lightweight concrete LWC For instance LWC produced by replacing 5% to 75% FA with shredded PET bottles [3 4 5 6 7]
Get PriceHTML5 Template artificial and fine aggregates vrwa in XSD Sand Washer The efficient sand washing machine of XSD series is a kind of cleaning equipment of international advanced level for sand and slag pellets developed on the basis of introducing foreign outstanding technology of the same kind of products
Get PriceDesigning Several Isolated Footings 1 Start the Isolated Footing Designer program 2 Set the working units and the RC Design Options 3 Enter the Caption for the footing 4 Enter the Material Properties including concrete strength fc rebar strength fy cover allowable bearing capacity of soil qa and soil and concrete
Get PriceFeb 27 2022it is observed that the best compromise in compressive splitting tensile strength and flexural strength compared to that of the conventional concrete is achieved by substituting 30% of the natural fine aggregates 15% of foundry sand and 15% of bottom ash in this case study is the foundry sand to have a compensatory effect on the side effects …
Get PriceAggregates ppt SlideShare Sand obtained from by crushing a good quality stone is excellent fine aggregate Mortar made with this sand is usually used in ashlar work good quality of work 12 13 Aggregates whose particles do not pass through mm IS are termed as coarse aggregates
Get Priceartificial sand as fine aggregates ppt durable clean with a Coarse aggregate shall artificial aggregates manufacturing Click Here to show artificial sand as fine Concrete is an artificial conglomerate stone The world wide consumption of sand as fine aggregate in concrete Use of Crushed Granite Fine as Replacement to
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Get PriceFeb 24 2022The waste concrete having natural aggregate is used in retaining work foundation work as filling material The mining will be reduced due to the use of recycled concrete The use of recycled concrete will reduce the cost of the structure 2 Uses of Recycled Concrete Aggregate a It delivers a low cost alternative solution to thrashing natural
Get PriceFine aggregates perform the following functions 1 It assists in producing workability and uniformly in mixture 2 It assists the cement paste to hard the coarse aggregate particles 3 It helps to prevent possible segregation of paste and coarse aggregate particularly during the transport operation of concrete for a long distance 4
Get PriceFeb 24 2022Fine aggregates have four different moisture conditions oven dry air dry saturated surface dry and wet Fine aggregate in wet conditions can hold 5% moisture It can cause bulking problems while forming concrete Ideally the moisture content of sand for construction works should not be more than 5% 3
Get Priceartificial sand as a fine aggregate vitawell ch Types of AggregatesNatural and Artificial Aggregates The diameter of the sand particles ranges from 0 075mm to 4 75mm The sand is used as the fine aggregates for the purpose of concrete making 2 Gravel The gravel is another type of aggregates and is mainly used for as coarse aggregates…
Get Price• For a good concrete mix aggregates need to be clean hard strong particles free of absorbed chemicals or coatings of clay and other fine materials that could cause the deterioration of concrete • Aggregates are divided into either coarse or fine categories Coarse aggregates are particulates that are greater than
Get PriceFine aggregate Fine aggregate fine sand also known as river sand was equally used for the experiment The sand was sun dried and impurities removed using 5 mm sieve in which materials retained on the sieve were discarded Other artificial LWA such as LECA and Lytag and natural LWA such as pumice and expanded shale all
Get PriceConcrete Definition Concrete an artificial stone like mass is the composite material that is created by mixing binding material cement or lime along with the aggregate sand gravel stone brick chips etc water admixtures etc in specific proportions The strength and quality are dependent on the mixing proportions
Get PriceUse of Waste Plastic as Fine Aggregate Substitute in Concrete used as the replacement of fine aggregate in the concrete Concrete cube and beam were casted taking 10% to 25% of plastic as partial replacement of fine aggregate and tested for 28 days of compressive strength and flexural strength of concrete 1 INTRODUCTION
Get PricePpt Of Artificial Sandrippleshealthcare ppt of artificial sandBINQ Mining Oct 25th Fig 5 6 shows these limits for fine aggregate and for one size of coarse fine aggregate for concrete pptartificial fine aggregate used in concrete ppt artificial fine aggregate used in concrete ppt Aggregates LinkedIn SlideShare Nov 14 2024 Natural
Get PriceFine 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 or Fine aggregate Sand Fills voids between aggregates It forms the bulk and makes mortar or concrete economical
Get PriceAggregates ppt SlideShare 2024 4 28 7 1 Fine Aggregates Aggregates whose particles passthrough mm IS sieve are termedas fine aggregates Most commonlyused fine aggregates are sand pit orquarry sand river sand and sea sand and crushed stone in powdered form how ever some times sukhi and ash orcinder are also used 7 8 a Sand Contact
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Get PriceAggregatesAggregates commonly considered as inert filler material which occupy 60 to 80 percent of the volume of concrete/70 to 85 percent of the weight of concrete Sand gravel and crushed stone are the primary aggregates used All aggregates must be essentially free of silt size 60 2 m and/or organic matter
Get PriceThe concept of replacement of natural fine aggregate by quarry dust which is highlighted in the study could boost the consumption of quarry dust generated from quarries By replacement of quarry dust the requirement of land fill area can be reduced and can also solve the problem of natural sand scarcity The availability of sand at low cost as a fine aggregate in concrete is not suitable and
Get Pricefine aggregate and coarse aggregate to produce the concrete composites Standard concrete mix design of M 25 and w/c ratio was used for the experiment Four weight fractions 0% 4% and 8% of shredded plastic waste were used to replace the fine aggregate in the batching The concrete mixture was tested for slump cast
Get PriceNormally aggregate accounts for over 60% volume of concrete Accordingly the use of steel slag as a partial replacement of natural coarse or fine aggregates in concrete would be a promising way that could utilize steel slag at a large scale The steel slags were used in base and sub base of road pavement and even in the structural concrete
Get PriceArtificial aggregates are aggregates produced purposely with that aim From Eco Efficient Rendering Mortars 2024 Download as PDF About this page Concrete Aggregates Ian Sims Bev Brown in Lea s Chemistry of Cement and Concrete Fourth Edition 1998 By products and manufactured aggregates
Get Price1 Replacement of natural fine aggregate by 60% artificial fine aggregate is the best result because of maximum strength and minimum area of crack 2 When the replacement percentage of artificial sand is increases more than 60% the compressive strength decreases and area of crack increases
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