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Aggregates - SlideShare

Nov 14, 2013  Classification According to Size Fine Aggregates Coarse Aggregate 10. Fine Aggregates “Fine aggregate” is defined as material that will pass a No. 4 sieve and will, for the most part, be retained on a No. 200 sieve 11. Types Of Fine Aggregates Sand Stone dust Cinder Surkhi 12.

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Sand - SlideShare

Apr 23, 2015  Crushed Stone Sand / Artificial Sand It is a substitute for River Sand, fine aggregates which manufactured by crushing either granite or basalt rock using 3 stage crushing process. 14. Classification on the basis of size of particles 15. Fine sand The sand passing through a sieve with clear openings of 1.5mm is known as fine sand.

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Aggregates ppt - SlideShare

Apr 28, 2013  Aggregates ppt Latif Hyder Wadho ... 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. ... It is also a good artificial

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type of aggregate - SlideShare

Oct 01, 2016  It has poor resistance to wear and hence is not used in concrete for the road work. Fig. Artificial Aggregate 8. Classification according to size: 1. Fine aggregate: The aggregate which passes through 4.75 mm sieve and retained on 75 micron sieve are known as fine aggregate. Fig. Fine Aggregate

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M-sand (Manufactured Sand) - SlideShare

Nov 14, 2016  Comparison of River Sand Vs M-Sand SIEVE ANALYSIS River Sand Vs M-Sand IS SIEVE RIVER SAND % Age Passing M-SAND % Age Passing % Age passing for single sized aggregates of Normal Sand (IS 383 - 1970) Zone II 4.75 mm 99.25 99.75 90 to 100 2.36 mm 93.50 78.25 75 to 100 1.18 mm 48.00 52.00 55 to 90 600 Microns 21.00 38.00 35 to 59 300 Microns 04.00 ...

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:: ARTIFICIAL SAND

to coarse aggregates should be reduced. The fine to coarse ratio depends upon the particle shape, surface texture of both fine and coarse particles. The gradation of coarse and fine aggregate is very important. Very fine sand is not recommended for concrete purpose. The fines content in the sand below 600 microns should be about 30 to 50 %.

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(PDF) SEA SAND AS FINE AGGREGATE FOR CONCRETE

Dong-Oh Cho (2006 – Korea), [2] aggregate and crushed stone with 20 mm maximum size was used as coarse aggregate. The properties of fine aggregates and coarse aggregates were found to conform to IS: 383- 1970 with specific gravity of sand as 2.63 and coarse aggregate as 2.77.Unit weight of sand and coarse aggregate was 1890 and 1650 kg/m3 ...

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Lecture 4. Aggregates - Aalto

• Natural aggregates consists of rock fragments that are used in their natural state, or are used after mechanical processing such as crushing, washing, and sizing. • Some natural aggregate deposits, called pit -run gravel, consist of gravel and sand that can be readily used in concrete after minimal processing.

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(PDF) Partial Replacement of Copper Slag as Fine Aggregate ...

Fine Aggregate:- Aggregate is a natural deposit of sand and gravel and also give structure to the concrete. It occupies almost 75% to 80% of volume in concrete and hence shows influence on various properties such as workability, strength, durability and economy of concrete.

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(PDF) SEA SAND AS FINE AGGREGATE FOR CONCRETE PRODUCTION ...

Dong-Oh Cho (2006 – Korea), [2] aggregate and crushed stone with 20 mm maximum size was used as coarse aggregate. The properties of fine aggregates and coarse aggregates were found to conform to IS: 383- 1970 with specific gravity of sand as 2.63 and coarse aggregate as 2.77.Unit weight of sand and coarse aggregate was 1890 and 1650 kg/m3 ...

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EXPERIMENTAL STUDY ON EFFECT OF SILICA SAND AS

strength gets lower when the percentage of fine aggregates replaced with silica sand is higher. After 28 days of curing, the maximum compressive strength of polymer cement concrete decreases up to 30% when the replacement level of fine aggregates is 60%. Silica sand can be used instead of conventional sand in certain parts of the building that

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STRENGTH APPRAISAL OF ARTIFICIAL SAND AS FINE AGGREGATE

The huge quantity of concrete is consumed by the construction industry all over the world, probably second largest after water. In India, the conventional concrete is produced by using natural sand from riverbeds as fine aggregate. Dwindling sand resources poses the environmental problem and hence government restrictions on sand quarrying resulted in scarcity and significant increase in its cost.

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Effect of Sand Fines and Water/Cement Ratio on Concrete ...

of coarse aggregate was 0.5% which was within the normal range from0.1 to 0.6%.The fineness modulus obtained suggest that, the aggregates used had an approximately average sizes of 600µm and 12.5mm for fine and coarse aggregates respectively. Thus, the sand used was normal sand since it lies within Zone II of geological grading.

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13 Types of Aggregates - According to Size, Shape, Weight ...

Jun 03, 2019  Artificial Aggregate. Example of artificial aggregate – Broken brick, Blust furnace slag etc. B. According To Size. According to size, aggregates are the following 4 types: 1. Fine Aggregate. It is the aggregate most of which passes through 4.75mm I.S sieve. Example of fine aggregate- Natural sand, Crushed stone sand, Crushed gravel sand. 2 ...

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(PDF) Partial Replacement of Copper Slag as Fine Aggregate ...

Fine Aggregate:- Aggregate is a natural deposit of sand and gravel and also give structure to the concrete. It occupies almost 75% to 80% of volume in concrete and hence shows influence on various properties such as workability, strength, durability and economy of concrete.

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IS 383 (1970): Specification for Coarse and Fine ...

Sep 25, 1970  2.1.2 Crushed Stone Sand - Fine aggregate produced by crushing hard stone. 2.1.3 Crushed Grace1 Sand - line aggregate produced by crushing natural gravel. . 2.2 Coarse Aggregate -- Aggregate most of which is retained on 4*75-mm IS Sieve and containing only so much finer material as is permitted for ...

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Egg Shell As A Fine Aggregate In Concrete For Sustainable ...

aggregate. In the laboratory test, conventional fine aggregate was replaced at 100% replacement level. A total of 18 cubes were cast, cured and tested. The strength development of the concrete mixes containing egg shell aggregates was compared to that of conventional concrete with sand as fine aggregate.

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Fine Aggregate - Its [6 Properties Role in concrete]

Apr 12, 2020  On the shrinkage of concrete, the fine aggregate properties also have a significant impact. Types Of Fine Aggregate uses: In concrete or pavement construction usually, sand, crushed stone and crushed bricks are used as fine aggregates as given below; Sand: Sand is used as a fine aggregate in concrete work and is an important engineering material.

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What Is Bulkage of Sand (Fine Aggregate )

2. Sample sand – Also Read :LAB TEST ON AGGREGATES AT SITE Producer: Put a sufficient quantity of the sand loosely into a container. until it is about two-thirds full. Level off the top of the sand and pushing a steel rule vertically down through the sand at the middle to the bottom, measure the height.

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Construction aggregate - Wikipedia

Construction aggregate, or simply aggregate, is a broad category of coarse- to medium-grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates.Aggregates are the most mined materials in the world. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as ...

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

The function of the fine aggregate is to assist in producing workability and uniformity in the mixture. The river deposits are the most common source of fine aggregate. Now-a-days the natural river sand has become scarce and very costly. Hence we are forced to think of alternative materials. The Quarry dust may be used in the place of river ...

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Replacement of Fine Aggregates by Recycled Construction ...

Dec 31, 2018  Reinstating of fine aggregates in a concrete is studied with five incremental ratios such as 20, 40, 60, 80, and 100%. Since debris are coated with fine cementitious particles, the water absorption potential will be high. Hence, the beneficiation process is

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Copper slag as fine aggregate for high performance concrete

3.2 Coarse and fine aggregates Coarse aggregates (i.e. 20 mm and 10 mm) and fine sand were purchased from a nearby crusher in Al-Khoudh area, which are typically the same materials used in normal concrete mixtures. The gradation test conducted on aggregates showed that they met specifications requirements. 3.3 Copper slag

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FOUNDRY SAND: UTILISATION AS A PARTIAL REPLACEMENT OF FINE

Foundry waste is one of the most active research areas that encompass a number ofdisciplinesincluding civil engineering andconstruction materials. They can stand close to the concept of green concrete which is in compatible with the environment.

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STRENGTH APPRAISAL OF ARTIFICIAL SAND AS FINE AGGREGATE

The huge quantity of concrete is consumed by the construction industry all over the world, probably second largest after water. In India, the conventional concrete is produced by using natural sand from riverbeds as fine aggregate. Dwindling sand resources poses the environmental problem and hence government restrictions on sand quarrying resulted in scarcity and significant increase in its cost.

More

Effect of Sand Fines and Water/Cement Ratio on Concrete ...

of coarse aggregate was 0.5% which was within the normal range from0.1 to 0.6%.The fineness modulus obtained suggest that, the aggregates used had an approximately average sizes of 600µm and 12.5mm for fine and coarse aggregates respectively. Thus, the sand used was normal sand since it lies within Zone II of geological grading.

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Copper slag as fine aggregate for high performance concrete

3.2 Coarse and fine aggregates Coarse aggregates (i.e. 20 mm and 10 mm) and fine sand were purchased from a nearby crusher in Al-Khoudh area, which are typically the same materials used in normal concrete mixtures. The gradation test conducted on aggregates showed that they met specifications requirements. 3.3 Copper slag

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Aggregates: Physical Properties and Mechanical Properties

aggregate retained on each of a specified series of sieves and dividing the sum by 100. The following limits may be taken as guidance: Fine sand : Fineness Modulus : 2.2 - 2.6 Medium sand : F.M. : 2.6 - 2.9 Coarse sand : F.M. : 2.9 - 3.2 A sand having a fineness modulus more than 3.2 will be

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IS 383 (1970): Specification for Coarse and Fine ...

Sep 25, 1970  2.1.2 Crushed Stone Sand - Fine aggregate produced by crushing hard stone. 2.1.3 Crushed Grace1 Sand - line aggregate produced by crushing natural gravel. . 2.2 Coarse Aggregate -- Aggregate most of which is retained on 4*75-mm IS Sieve and containing only so much finer material as is permitted for ...

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Functions Of Fine and Coarse Aggregate in Concrete - Civil ...

May 29, 2019  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. Fine aggregate reduces the shrinkage of binding material. 5. It prevents the development of a crack in the concrete.

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What Is Bulkage of Sand (Fine Aggregate )

2. Sample sand – Also Read :LAB TEST ON AGGREGATES AT SITE Producer: Put a sufficient quantity of the sand loosely into a container. until it is about two-thirds full. Level off the top of the sand and pushing a steel rule vertically down through the sand at the middle to the bottom, measure the height.

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

Manufacturing of Sand process involves three stages, crushing of stones in to aggregates by VSI, then fed to Rotopactor to crush aggregates into sand to required grain sizes (as fines). Screening is done to eliminate dust particles and Washing of sand eliminates very fine particles present within.

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Replacement of Fine Aggregates by Recycled Construction ...

Dec 31, 2018  Reinstating of fine aggregates in a concrete is studied with five incremental ratios such as 20, 40, 60, 80, and 100%. Since debris are coated with fine cementitious particles, the water absorption potential will be high. Hence, the beneficiation process is

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(PDF) Use Of Glass Powder As Fine Aggregate In High ...

The mixture proportions of recycled aggregate concretes were first prepared using 100% recycled coarse aggregate, and then river sand was replaced with recycled fine aggregate at 0, 50, and 100% ...

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Aggregates for Concrete - Memphis

aggregates cannot be overemphasized. The fine and coarse aggregates generally occupy 60% to 75% of the concrete volume (70% to 85% by mass) and strongly influ-ence the concrete’s freshly mixed and hardened proper-ties, mixture proportions, and economy. Fine aggregates (Fig. 5-1) generally consist of natural sand or crushed

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AN EXPERIMENTAL INVESTIGATION ON SELF COMPACTING

Artificial Fine Aggregate: In this paper, artificial fine aggregate is totally replaced as fine aggregates which is procured from Hyderabad, with different sizes that passing through 4.75mm, 2.36mm, 1.18mm, 600µ, 300µ and 150µ. The properties of Artificial Fine Aggregate are shown in Table 2.

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Difference Between Fine and Coarse Aggregate - Civil ...

The surface area of coarse aggregate is less than fine aggregates. 6: Function in Concrete: The voids between the coarse aggregate are filled up by fine aggregate. Coarse aggregate acts as inert filler material for concrete. 7: Uses: Fine aggregates are used in mortar, plaster, concrete, filling of road pavement layers, etc.

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